Esempio n. 1
0
/* disk_initialize
 *
 * Set up the disk.
 */
DSTATUS disk_initialize (BYTE drv) {
	if (drv == 0 && sdcard_init() == 0) {
		Stat &= ~STA_NOINIT;
	}

	return Stat;
}
Esempio n. 2
0
void
board_init(void)
{

	printf("\n\n");
	printf("BWCT FSB-A920-1\n");
	printf("http://www.bwct.de\n");
	printf("\n");
#if defined(SDRAM_128M)
	printf("AT92RM9200 180MHz 128MB\n");
#else
	printf("AT92RM9200 180MHz 64MB\n");
#endif
	printf("Initialising USART0\n");
	USART0_Init();
	printf("Initialising USART1\n");
	USART1_Init();
	printf("Initialising USART2\n");
	USART2_Init();
	printf("Initialising USART3\n");
	USART3_Init();
	printf("Initialising TWI\n");
	EEInit();
	printf("Initialising DS1672\n");
	DS1672_Init();
	printf("Initialising Ethernet\n");
	printf("MAC %x:%x:%x:%x:%x:%x\n", mac[0],
	    mac[1], mac[2], mac[3], mac[4], mac[5]);
	EMAC_Init();
	EMAC_SetMACAddress(mac);
	printf("Initialising SD-card\n");
	sdcard_init();
}
Esempio n. 3
0
void device_init(void) {
	i2c_init();                     // I2C bus
        rtc_init();                     // real time clock
        sdcard_init();                  // SD card

        ieeehw_init();                  // IEEE-488 hardware
        ieee_init(8);                   // hardware-independent part; registers as bus
}
Esempio n. 4
0
/*******************************************************************************
* Function Name  : Read_Memory
* Description    : Handle the Read operation from the microSD card.
* Input          : None.
* Output         : None.
* Return         : None.
*******************************************************************************/
static int8_t STORAGE_Init (uint8_t lun)
{
	UNUSED(lun);
	LED0_OFF;
	sdcard_init(sdcardConfig());
	while (sdcard_poll() == 0);
	LED0_ON;
	return 0;
}
Esempio n. 5
0
void
board_init(void)
{
    InitEEPROM();
    MacFromEE();
    EMAC_Init();
    EMAC_SetMACAddress(mac);
    while (sdcard_init() == 0)
	printf("Looking for SD card\n");
}
Esempio n. 6
0
static esp_err_t _sdcard_init(esp_periph_handle_t self)
{
    periph_sdcard_t *sdcard = esp_periph_get_data(self);

    esp_err_t ret = sdcard_init(sdcard->card_detect_pin, sdcard_gpio_intr_handler, self);
    if (sdcard_is_exist()) {
        ret |= periph_sdcard_mount(self);
    } else {
        ESP_LOGE(TAG, "no sdcard detect");

    }
    esp_periph_start_timer(self, 1000/portTICK_RATE_MS, sdcard_timer_handler);
    return ESP_OK;
}
Esempio n. 7
0
void picture_transfer_send(unsigned char *filename) {
	unsigned char *ready_msg = "S";

	unsigned char length_of_send_msg_length[2];
	memset(length_of_send_msg_length, '\0', sizeof(length_of_send_msg_length));
	unsigned char send_msg_length[10];
	memset(send_msg_length, '\0', sizeof(send_msg_length));

	char * imagedata = NULL;
	int imagelength;
	int offset;
	int result;

	sdcard_init();

	result = bitmap_import_image(filename, &imagedata, &imagelength, &offset);
	if (result != 0) {
		printf("Error with importing image\n");
		return;
	}

	//convert imagelength to string
	snprintf(send_msg_length, sizeof(send_msg_length), "%d", imagelength);

	//get length of send_msg_length
	snprintf(length_of_send_msg_length, sizeof(length_of_send_msg_length), "%d", strlen(send_msg_length));

	//send ready message to start communication
	bluetooth_send_command(ready_msg);
	printf("Ready message sent!\n");

	//send length of the string length of the final message
	picture_transfer_send_communication(length_of_send_msg_length, sizeof(length_of_send_msg_length), STRING_LENGTH);
	printf("Length of string length message sent!\n");

	//send length of the final message
	picture_transfer_send_communication(send_msg_length, sizeof(send_msg_length), MESSAGE_LENGTH);
	printf("String length message sent!\n");

	//send final message
	picture_transfer_send_communication(imagedata, imagelength, FINAL);
	printf("Final message sent!\n");

	free(imagedata);
}
Esempio n. 8
0
DSTATUS disk_initialize(BYTE pdrv) {
	sink_sd_card_t* sink = sink_sd_card_from_pdrv(pdrv);

	int ret_code = sdcard_init(sink->sd_card_regs);
	int err_code = ret_code & ~SD_HCS_SET;  //clear HCS flag in return value for error code

	if (ret_code & SD_HCS_SET) {
		sink->sdhc_card = 1;
	}

	if (err_code == SD_NO_ERROR) {
		sink->status = 0;
	} else {
		sink->status = STA_NOINIT;
	}

	sink->sd_error_code |= err_code;

	//sink->sdhc_card = 1; //TODO
	return sink->status;
}
Esempio n. 9
0
void init(void)
{
    printfSupportInit();

    initEEPROM();

    ensureEEPROMContainsValidData();
    readEEPROM();

    systemState |= SYSTEM_STATE_CONFIG_LOADED;

    systemInit();

    //i2cSetOverclock(masterConfig.i2c_overclock);

    // initialize IO (needed for all IO operations)
    IOInitGlobal();

    debugMode = masterConfig.debug_mode;

#ifdef USE_HARDWARE_REVISION_DETECTION
    detectHardwareRevision();
#endif

    // Latch active features to be used for feature() in the remainder of init().
    latchActiveFeatures();

#ifdef ALIENFLIGHTF3
    ledInit(hardwareRevision == AFF3_REV_1 ? false : true);
#else
    ledInit(false);
#endif
    LED2_ON;

#ifdef USE_EXTI
    EXTIInit();
#endif

#if defined(BUTTONS)
    gpio_config_t buttonAGpioConfig = {
        BUTTON_A_PIN,
        Mode_IPU,
        Speed_2MHz
    };
    gpioInit(BUTTON_A_PORT, &buttonAGpioConfig);

    gpio_config_t buttonBGpioConfig = {
        BUTTON_B_PIN,
        Mode_IPU,
        Speed_2MHz
    };
    gpioInit(BUTTON_B_PORT, &buttonBGpioConfig);

    // Check status of bind plug and exit if not active
    delayMicroseconds(10);  // allow GPIO configuration to settle

    if (!isMPUSoftReset()) {
        uint8_t secondsRemaining = 5;
        bool bothButtonsHeld;
        do {
            bothButtonsHeld = !digitalIn(BUTTON_A_PORT, BUTTON_A_PIN) && !digitalIn(BUTTON_B_PORT, BUTTON_B_PIN);
            if (bothButtonsHeld) {
                if (--secondsRemaining == 0) {
                    resetEEPROM();
                    systemReset();
                }
                delay(1000);
                LED0_TOGGLE;
            }
        } while (bothButtonsHeld);
    }
#endif

#ifdef SPEKTRUM_BIND
    if (feature(FEATURE_RX_SERIAL)) {
        switch (masterConfig.rxConfig.serialrx_provider) {
            case SERIALRX_SPEKTRUM1024:
            case SERIALRX_SPEKTRUM2048:
                // Spektrum satellite binding if enabled on startup.
                // Must be called before that 100ms sleep so that we don't lose satellite's binding window after startup.
                // The rest of Spektrum initialization will happen later - via spektrumInit()
                spektrumBind(&masterConfig.rxConfig);
                break;
        }
    }
#endif

    delay(100);

    timerInit();  // timer must be initialized before any channel is allocated

    dmaInit();

#if defined(AVOID_UART1_FOR_PWM_PPM)
    serialInit(&masterConfig.serialConfig, feature(FEATURE_SOFTSERIAL),
            feature(FEATURE_RX_PPM) || feature(FEATURE_RX_PARALLEL_PWM) ? SERIAL_PORT_USART1 : SERIAL_PORT_NONE);
#elif defined(AVOID_UART2_FOR_PWM_PPM)
    serialInit(&masterConfig.serialConfig, feature(FEATURE_SOFTSERIAL),
            feature(FEATURE_RX_PPM) || feature(FEATURE_RX_PARALLEL_PWM) ? SERIAL_PORT_USART2 : SERIAL_PORT_NONE);
#elif defined(AVOID_UART3_FOR_PWM_PPM)
    serialInit(&masterConfig.serialConfig, feature(FEATURE_SOFTSERIAL),
            feature(FEATURE_RX_PPM) || feature(FEATURE_RX_PARALLEL_PWM) ? SERIAL_PORT_USART3 : SERIAL_PORT_NONE);
#else
    serialInit(&masterConfig.serialConfig, feature(FEATURE_SOFTSERIAL), SERIAL_PORT_NONE);
#endif

#ifdef USE_SERVOS
    mixerInit(masterConfig.mixerMode, masterConfig.customMotorMixer, masterConfig.customServoMixer);
#else
    mixerInit(masterConfig.mixerMode, masterConfig.customMotorMixer);
#endif

    drv_pwm_config_t pwm_params;
    memset(&pwm_params, 0, sizeof(pwm_params));

#ifdef SONAR
    if (feature(FEATURE_SONAR)) {
        const sonarHardware_t *sonarHardware = sonarGetHardwareConfiguration(masterConfig.batteryConfig.currentMeterType);
        if (sonarHardware) {
            pwm_params.useSonar = true;
            pwm_params.sonarIOConfig.triggerTag = sonarHardware->triggerTag;
            pwm_params.sonarIOConfig.echoTag = sonarHardware->echoTag;
        }
    }
#endif

    // when using airplane/wing mixer, servo/motor outputs are remapped
    if (masterConfig.mixerMode == MIXER_AIRPLANE || masterConfig.mixerMode == MIXER_FLYING_WING || masterConfig.mixerMode == MIXER_CUSTOM_AIRPLANE)
        pwm_params.airplane = true;
    else
        pwm_params.airplane = false;
#if defined(USE_UART2) && defined(STM32F10X)
    pwm_params.useUART2 = doesConfigurationUsePort(SERIAL_PORT_USART2);
#endif
#ifdef STM32F303xC
    pwm_params.useUART2 = doesConfigurationUsePort(SERIAL_PORT_USART2);
    pwm_params.useUART3 = doesConfigurationUsePort(SERIAL_PORT_USART3);
#endif
#if defined(USE_UART2) && defined(STM32F40_41xxx)
    pwm_params.useUART2 = doesConfigurationUsePort(SERIAL_PORT_USART2);
#endif
#if defined(USE_UART6) && defined(STM32F40_41xxx)
    pwm_params.useUART6 = doesConfigurationUsePort(SERIAL_PORT_USART6);
#endif
    pwm_params.useVbat = feature(FEATURE_VBAT);
    pwm_params.useSoftSerial = feature(FEATURE_SOFTSERIAL);
    pwm_params.useParallelPWM = feature(FEATURE_RX_PARALLEL_PWM);
    pwm_params.useRSSIADC = feature(FEATURE_RSSI_ADC);
    pwm_params.useCurrentMeterADC = feature(FEATURE_CURRENT_METER)
        && masterConfig.batteryConfig.currentMeterType == CURRENT_SENSOR_ADC;
    pwm_params.useLEDStrip = feature(FEATURE_LED_STRIP);
    pwm_params.usePPM = feature(FEATURE_RX_PPM);
    pwm_params.useSerialRx = feature(FEATURE_RX_SERIAL);

#ifdef USE_SERVOS
    pwm_params.useServos = isMixerUsingServos();
    pwm_params.useChannelForwarding = feature(FEATURE_CHANNEL_FORWARDING);
    pwm_params.servoCenterPulse = masterConfig.escAndServoConfig.servoCenterPulse;
    pwm_params.servoPwmRate = masterConfig.servo_pwm_rate;
#endif

    bool use_unsyncedPwm = masterConfig.use_unsyncedPwm || masterConfig.motor_pwm_protocol == PWM_TYPE_CONVENTIONAL || masterConfig.motor_pwm_protocol == PWM_TYPE_BRUSHED;

    // Configurator feature abused for enabling Fast PWM
    pwm_params.useFastPwm = (masterConfig.motor_pwm_protocol != PWM_TYPE_CONVENTIONAL && masterConfig.motor_pwm_protocol != PWM_TYPE_BRUSHED);
    pwm_params.pwmProtocolType = masterConfig.motor_pwm_protocol;
    pwm_params.motorPwmRate = use_unsyncedPwm ? masterConfig.motor_pwm_rate : 0;
    pwm_params.idlePulse = masterConfig.escAndServoConfig.mincommand;
    if (feature(FEATURE_3D))
        pwm_params.idlePulse = masterConfig.flight3DConfig.neutral3d;

    if (masterConfig.motor_pwm_protocol == PWM_TYPE_BRUSHED) {
        featureClear(FEATURE_3D);
        pwm_params.idlePulse = 0; // brushed motors
    }
#ifdef CC3D
    pwm_params.useBuzzerP6 = masterConfig.use_buzzer_p6 ? true : false;
#endif
#ifndef SKIP_RX_PWM_PPM
    pwmRxInit(masterConfig.inputFilteringMode);
#endif

    // pwmInit() needs to be called as soon as possible for ESC compatibility reasons
    pwmOutputConfiguration_t *pwmOutputConfiguration = pwmInit(&pwm_params);

    mixerUsePWMOutputConfiguration(pwmOutputConfiguration, use_unsyncedPwm);

    systemState |= SYSTEM_STATE_MOTORS_READY;

#ifdef BEEPER
    beeperConfig_t beeperConfig = {
        .ioTag = IO_TAG(BEEPER),
#ifdef BEEPER_INVERTED
        .isOD = false,
        .isInverted = true
#else
        .isOD = true,
        .isInverted = false
#endif
    };
#ifdef NAZE
    if (hardwareRevision >= NAZE32_REV5) {
        // naze rev4 and below used opendrain to PNP for buzzer. Rev5 and above use PP to NPN.
        beeperConfig.isOD = false;
        beeperConfig.isInverted = true;
    }
#endif
/* temp until PGs are implemented. */
#ifdef BLUEJAYF4
    if (hardwareRevision <= BJF4_REV2) {
        beeperConfig.ioTag = IO_TAG(BEEPER_OPT);
    }
#endif
#ifdef CC3D
    if (masterConfig.use_buzzer_p6 == 1)
        beeperConfig.ioTag = IO_TAG(BEEPER_OPT);
#endif

    beeperInit(&beeperConfig);
#endif

#ifdef INVERTER
    initInverter();
#endif

#ifdef USE_BST
    bstInit(BST_DEVICE);
#endif

#ifdef USE_SPI
#ifdef USE_SPI_DEVICE_1
    spiInit(SPIDEV_1);
#endif
#ifdef USE_SPI_DEVICE_2
    spiInit(SPIDEV_2);
#endif
#ifdef USE_SPI_DEVICE_3
#ifdef ALIENFLIGHTF3
    if (hardwareRevision == AFF3_REV_2) {
        spiInit(SPIDEV_3);
    }
#else
    spiInit(SPIDEV_3);
#endif
#endif
#endif

#ifdef VTX
    vtxInit();
#endif

#ifdef USE_HARDWARE_REVISION_DETECTION
    updateHardwareRevision();
#endif

#if defined(NAZE)
    if (hardwareRevision == NAZE32_SP) {
        serialRemovePort(SERIAL_PORT_SOFTSERIAL2);
    } else  {
        serialRemovePort(SERIAL_PORT_USART3);
    }
#endif

#if defined(SPRACINGF3) && defined(SONAR) && defined(USE_SOFTSERIAL2)
    if (feature(FEATURE_SONAR) && feature(FEATURE_SOFTSERIAL)) {
        serialRemovePort(SERIAL_PORT_SOFTSERIAL2);
    }
#endif

#if defined(SPRACINGF3MINI) || defined(OMNIBUS) || defined(X_RACERSPI)
#if defined(SONAR) && defined(USE_SOFTSERIAL1)
    if (feature(FEATURE_SONAR) && feature(FEATURE_SOFTSERIAL)) {
        serialRemovePort(SERIAL_PORT_SOFTSERIAL1);
    }
#endif
#endif

#ifdef USE_I2C
#if defined(NAZE)
    if (hardwareRevision != NAZE32_SP) {
        i2cInit(I2C_DEVICE);
    } else {
        if (!doesConfigurationUsePort(SERIAL_PORT_USART3)) {
            i2cInit(I2C_DEVICE);
        }
    }
#elif defined(CC3D)
    if (!doesConfigurationUsePort(SERIAL_PORT_USART3)) {
        i2cInit(I2C_DEVICE);
    }
#else
    i2cInit(I2C_DEVICE);
#endif
#endif

#ifdef USE_ADC
    drv_adc_config_t adc_params;

    adc_params.enableVBat = feature(FEATURE_VBAT);
    adc_params.enableRSSI = feature(FEATURE_RSSI_ADC);
    adc_params.enableCurrentMeter = feature(FEATURE_CURRENT_METER);
    adc_params.enableExternal1 = false;
#ifdef OLIMEXINO
    adc_params.enableExternal1 = true;
#endif
#ifdef NAZE
    // optional ADC5 input on rev.5 hardware
    adc_params.enableExternal1 = (hardwareRevision >= NAZE32_REV5);
#endif

    adcInit(&adc_params);
#endif


    initBoardAlignment(&masterConfig.boardAlignment);

#ifdef DISPLAY
    if (feature(FEATURE_DISPLAY)) {
        displayInit(&masterConfig.rxConfig);
    }
#endif

#ifdef USE_RTC6705
    if (feature(FEATURE_VTX)) {
        rtc6705_soft_spi_init();
        current_vtx_channel = masterConfig.vtx_channel;
        rtc6705_soft_spi_set_channel(vtx_freq[current_vtx_channel]);
        rtc6705_soft_spi_set_rf_power(masterConfig.vtx_power);
    }
#endif

#ifdef OSD
    if (feature(FEATURE_OSD)) {
        osdInit();
    }
#endif

    if (!sensorsAutodetect(&masterConfig.sensorAlignmentConfig,
            masterConfig.acc_hardware,
            masterConfig.mag_hardware,
            masterConfig.baro_hardware,
            masterConfig.mag_declination,
            masterConfig.gyro_lpf,
            masterConfig.gyro_sync_denom)) {
        // if gyro was not detected due to whatever reason, we give up now.
        failureMode(FAILURE_MISSING_ACC);
    }

    systemState |= SYSTEM_STATE_SENSORS_READY;

    LED1_ON;
    LED0_OFF;
    LED2_OFF;

    for (int i = 0; i < 10; i++) {
        LED1_TOGGLE;
        LED0_TOGGLE;
        delay(25);
        if (!(getBeeperOffMask() & (1 << (BEEPER_SYSTEM_INIT - 1)))) BEEP_ON;
        delay(25);
        BEEP_OFF;
    }
    LED0_OFF;
    LED1_OFF;

#ifdef MAG
    if (sensors(SENSOR_MAG))
        compassInit();
#endif

    imuInit();

    mspInit(&masterConfig.serialConfig);

#ifdef USE_CLI
    cliInit(&masterConfig.serialConfig);
#endif

    failsafeInit(&masterConfig.rxConfig, masterConfig.flight3DConfig.deadband3d_throttle);

    rxInit(&masterConfig.rxConfig, masterConfig.modeActivationConditions);

#ifdef GPS
    if (feature(FEATURE_GPS)) {
        gpsInit(
            &masterConfig.serialConfig,
            &masterConfig.gpsConfig
        );
        navigationInit(
            &masterConfig.gpsProfile,
            &currentProfile->pidProfile
        );
    }
#endif

#ifdef SONAR
    if (feature(FEATURE_SONAR)) {
        sonarInit();
    }
#endif

#ifdef LED_STRIP
    ledStripInit(masterConfig.ledConfigs, masterConfig.colors, masterConfig.modeColors, &masterConfig.specialColors);

    if (feature(FEATURE_LED_STRIP)) {
        ledStripEnable();
    }
#endif

#ifdef TELEMETRY
    if (feature(FEATURE_TELEMETRY)) {
        telemetryInit();
    }
#endif

#ifdef USB_CABLE_DETECTION
    usbCableDetectInit();
#endif

#ifdef TRANSPONDER
    if (feature(FEATURE_TRANSPONDER)) {
        transponderInit(masterConfig.transponderData);
        transponderEnable();
        transponderStartRepeating();
        systemState |= SYSTEM_STATE_TRANSPONDER_ENABLED;
    }
#endif

#ifdef USE_FLASHFS
#ifdef NAZE
    if (hardwareRevision == NAZE32_REV5) {
        m25p16_init(IOTAG_NONE);
    }
#elif defined(USE_FLASH_M25P16)
    m25p16_init(IOTAG_NONE);
#endif

    flashfsInit();
#endif

#ifdef USE_SDCARD
    bool sdcardUseDMA = false;

    sdcardInsertionDetectInit();

#ifdef SDCARD_DMA_CHANNEL_TX

#if defined(LED_STRIP) && defined(WS2811_DMA_CHANNEL)
    // Ensure the SPI Tx DMA doesn't overlap with the led strip
#ifdef STM32F4
    sdcardUseDMA = !feature(FEATURE_LED_STRIP) || SDCARD_DMA_CHANNEL_TX != WS2811_DMA_STREAM;
#else
    sdcardUseDMA = !feature(FEATURE_LED_STRIP) || SDCARD_DMA_CHANNEL_TX != WS2811_DMA_CHANNEL;
#endif
#else
    sdcardUseDMA = true;
#endif

#endif

    sdcard_init(sdcardUseDMA);

    afatfs_init();
#endif

    if (masterConfig.gyro_lpf > 0 && masterConfig.gyro_lpf < 7) {
        masterConfig.pid_process_denom = 1; // When gyro set to 1khz always set pid speed 1:1 to sampling speed
        masterConfig.gyro_sync_denom = 1;
    }

    setTargetPidLooptime(gyro.targetLooptime * masterConfig.pid_process_denom); // Initialize pid looptime

#ifdef BLACKBOX
    initBlackbox();
#endif

    if (masterConfig.mixerMode == MIXER_GIMBAL) {
        accSetCalibrationCycles(CALIBRATING_ACC_CYCLES);
    }
    gyroSetCalibrationCycles();
#ifdef BARO
    baroSetCalibrationCycles(CALIBRATING_BARO_CYCLES);
#endif

    // start all timers
    // TODO - not implemented yet
    timerStart();

    ENABLE_STATE(SMALL_ANGLE);
    DISABLE_ARMING_FLAG(PREVENT_ARMING);

#ifdef SOFTSERIAL_LOOPBACK
    // FIXME this is a hack, perhaps add a FUNCTION_LOOPBACK to support it properly
    loopbackPort = (serialPort_t*)&(softSerialPorts[0]);
    if (!loopbackPort->vTable) {
        loopbackPort = openSoftSerial(0, NULL, 19200, SERIAL_NOT_INVERTED);
    }
    serialPrint(loopbackPort, "LOOPBACK\r\n");
#endif

    // Now that everything has powered up the voltage and cell count be determined.

    if (feature(FEATURE_VBAT | FEATURE_CURRENT_METER))
        batteryInit(&masterConfig.batteryConfig);

#ifdef DISPLAY
    if (feature(FEATURE_DISPLAY)) {
#ifdef USE_OLED_GPS_DEBUG_PAGE_ONLY
        displayShowFixedPage(PAGE_GPS);
#else
        displayResetPageCycling();
        displayEnablePageCycling();
#endif
    }
#endif

#ifdef CJMCU
    LED2_ON;
#endif

    // Latch active features AGAIN since some may be modified by init().
    latchActiveFeatures();
    motorControlEnable = true;

    systemState |= SYSTEM_STATE_READY;
}

#ifdef SOFTSERIAL_LOOPBACK
void processLoopback(void) {
    if (loopbackPort) {
        uint8_t bytesWaiting;
        while ((bytesWaiting = serialRxBytesWaiting(loopbackPort))) {
            uint8_t b = serialRead(loopbackPort);
            serialWrite(loopbackPort, b);
        };
    }
}
#else
#define processLoopback()
#endif

void main_init(void)
{
    init();

    /* Setup scheduler */
    schedulerInit();
    rescheduleTask(TASK_GYROPID, gyro.targetLooptime);
    setTaskEnabled(TASK_GYROPID, true);

    if (sensors(SENSOR_ACC)) {
        setTaskEnabled(TASK_ACCEL, true);
        switch (gyro.targetLooptime) {  // Switch statement kept in place to change acc rates in the future
        case 500:
        case 375:
        case 250:
        case 125:
            accTargetLooptime = 1000;
            break;
        default:
        case 1000:
#ifdef STM32F10X
            accTargetLooptime = 1000;
#else
            accTargetLooptime = 1000;
#endif
        }
        rescheduleTask(TASK_ACCEL, accTargetLooptime);
    }

    setTaskEnabled(TASK_ATTITUDE, sensors(SENSOR_ACC));
    setTaskEnabled(TASK_SERIAL, true);
#ifdef BEEPER
    setTaskEnabled(TASK_BEEPER, true);
#endif
    setTaskEnabled(TASK_BATTERY, feature(FEATURE_VBAT) || feature(FEATURE_CURRENT_METER));
    setTaskEnabled(TASK_RX, true);
#ifdef GPS
    setTaskEnabled(TASK_GPS, feature(FEATURE_GPS));
#endif
#ifdef MAG
    setTaskEnabled(TASK_COMPASS, sensors(SENSOR_MAG));
#if defined(USE_SPI) && defined(USE_MAG_AK8963)
    // fixme temporary solution for AK6983 via slave I2C on MPU9250
    rescheduleTask(TASK_COMPASS, 1000000 / 40);
#endif
#endif
#ifdef BARO
    setTaskEnabled(TASK_BARO, sensors(SENSOR_BARO));
#endif
#ifdef SONAR
    setTaskEnabled(TASK_SONAR, sensors(SENSOR_SONAR));
#endif
#if defined(BARO) || defined(SONAR)
    setTaskEnabled(TASK_ALTITUDE, sensors(SENSOR_BARO) || sensors(SENSOR_SONAR));
#endif
#ifdef DISPLAY
    setTaskEnabled(TASK_DISPLAY, feature(FEATURE_DISPLAY));
#endif
#ifdef TELEMETRY
    setTaskEnabled(TASK_TELEMETRY, feature(FEATURE_TELEMETRY));
    // Reschedule telemetry to 500hz for Jeti Exbus
    if (feature(FEATURE_TELEMETRY) || masterConfig.rxConfig.serialrx_provider == SERIALRX_JETIEXBUS) rescheduleTask(TASK_TELEMETRY, 2000);
#endif
#ifdef LED_STRIP
    setTaskEnabled(TASK_LEDSTRIP, feature(FEATURE_LED_STRIP));
#endif
#ifdef TRANSPONDER
    setTaskEnabled(TASK_TRANSPONDER, feature(FEATURE_TRANSPONDER));
#endif
#ifdef OSD
    setTaskEnabled(TASK_OSD, feature(FEATURE_OSD));
#endif
#ifdef USE_BST
    setTaskEnabled(TASK_BST_MASTER_PROCESS, true);
#endif
}
Esempio n. 10
0
void init(void)
{
    drv_pwm_config_t pwm_params;

    printfSupportInit();

    initEEPROM();

    ensureEEPROMContainsValidData();
    readEEPROM();

    systemState |= SYSTEM_STATE_CONFIG_LOADED;

#ifdef STM32F303
    // start fpu
    SCB->CPACR = (0x3 << (10*2)) | (0x3 << (11*2));
#endif

#ifdef STM32F303xC
    SetSysClock();
#endif
#ifdef STM32F10X
    // Configure the System clock frequency, HCLK, PCLK2 and PCLK1 prescalers
    // Configure the Flash Latency cycles and enable prefetch buffer
    SetSysClock(systemConfig()->emf_avoidance);
#endif
    i2cSetOverclock(systemConfig()->i2c_highspeed);

    systemInit();

#ifdef USE_HARDWARE_REVISION_DETECTION
    detectHardwareRevision();
#endif

    // Latch active features to be used for feature() in the remainder of init().
    latchActiveFeatures();

    // initialize IO (needed for all IO operations)
    IOInitGlobal();

    debugMode = debugConfig()->debug_mode;

#ifdef USE_EXTI
    EXTIInit();
#endif

#ifdef ALIENFLIGHTF3
    if (hardwareRevision == AFF3_REV_1) {
        ledInit(false);
    } else {
        ledInit(true);
    }
#else
    ledInit(false);
#endif

#ifdef BEEPER
    beeperConfig_t beeperConfig = {
        .gpioPeripheral = BEEP_PERIPHERAL,
        .gpioPin = BEEP_PIN,
        .gpioPort = BEEP_GPIO,
#ifdef BEEPER_INVERTED
        .gpioMode = Mode_Out_PP,
        .isInverted = true
#else
        .gpioMode = Mode_Out_OD,
        .isInverted = false
#endif
    };
#ifdef NAZE
    if (hardwareRevision >= NAZE32_REV5) {
        // naze rev4 and below used opendrain to PNP for buzzer. Rev5 and above use PP to NPN.
        beeperConfig.gpioMode = Mode_Out_PP;
        beeperConfig.isInverted = true;
    }
#endif

    beeperInit(&beeperConfig);
#endif

#ifdef BUTTONS
    buttonsInit();

    if (!isMPUSoftReset()) {
        buttonsHandleColdBootButtonPresses();
    }
#endif

#ifdef SPEKTRUM_BIND
    if (feature(FEATURE_RX_SERIAL)) {
        switch (rxConfig()->serialrx_provider) {
            case SERIALRX_SPEKTRUM1024:
            case SERIALRX_SPEKTRUM2048:
                // Spektrum satellite binding if enabled on startup.
                // Must be called before that 100ms sleep so that we don't lose satellite's binding window after startup.
                // The rest of Spektrum initialization will happen later - via spektrumInit()
                spektrumBind(rxConfig());
                break;
        }
    }
#endif

    delay(100);

    timerInit();  // timer must be initialized before any channel is allocated

    dmaInit();


    serialInit(feature(FEATURE_SOFTSERIAL));

    mixerInit(customMotorMixer(0));
#ifdef USE_SERVOS
    mixerInitServos(customServoMixer(0));
#endif

    memset(&pwm_params, 0, sizeof(pwm_params));

#ifdef SONAR
    const sonarHardware_t *sonarHardware = NULL;
    sonarGPIOConfig_t sonarGPIOConfig;
    if (feature(FEATURE_SONAR)) {
        bool usingCurrentMeterIOPins = (feature(FEATURE_AMPERAGE_METER) && batteryConfig()->amperageMeterSource == AMPERAGE_METER_ADC);
        sonarHardware = sonarGetHardwareConfiguration(usingCurrentMeterIOPins);
        sonarGPIOConfig.triggerGPIO = sonarHardware->trigger_gpio;
        sonarGPIOConfig.triggerPin = sonarHardware->trigger_pin;
        sonarGPIOConfig.echoGPIO = sonarHardware->echo_gpio;
        sonarGPIOConfig.echoPin = sonarHardware->echo_pin;
        pwm_params.sonarGPIOConfig = &sonarGPIOConfig;
    }
#endif

    // when using airplane/wing mixer, servo/motor outputs are remapped
    if (mixerConfig()->mixerMode == MIXER_AIRPLANE || mixerConfig()->mixerMode == MIXER_FLYING_WING || mixerConfig()->mixerMode == MIXER_CUSTOM_AIRPLANE)
        pwm_params.airplane = true;
    else
        pwm_params.airplane = false;
#if defined(USE_UART2) && defined(STM32F10X)
    pwm_params.useUART2 = doesConfigurationUsePort(SERIAL_PORT_UART2);
#endif
#if defined(USE_UART3)
    pwm_params.useUART3 = doesConfigurationUsePort(SERIAL_PORT_UART3);
#endif
#if defined(USE_UART4)
    pwm_params.useUART4 = doesConfigurationUsePort(SERIAL_PORT_UART4);
#endif
#if defined(USE_UART5)
    pwm_params.useUART5 = doesConfigurationUsePort(SERIAL_PORT_UART5);
#endif
    pwm_params.useVbat = feature(FEATURE_VBAT);
    pwm_params.useSoftSerial = feature(FEATURE_SOFTSERIAL);
    pwm_params.useParallelPWM = feature(FEATURE_RX_PARALLEL_PWM);
    pwm_params.useRSSIADC = feature(FEATURE_RSSI_ADC);
    pwm_params.useCurrentMeterADC = (
        feature(FEATURE_AMPERAGE_METER)
        && batteryConfig()->amperageMeterSource == AMPERAGE_METER_ADC
    );
    pwm_params.useLEDStrip = feature(FEATURE_LED_STRIP);
    pwm_params.usePPM = feature(FEATURE_RX_PPM);
    pwm_params.useSerialRx = feature(FEATURE_RX_SERIAL);
#ifdef SONAR
    pwm_params.useSonar = feature(FEATURE_SONAR);
#endif

#ifdef USE_SERVOS
    pwm_params.useServos = isMixerUsingServos();
    pwm_params.useChannelForwarding = feature(FEATURE_CHANNEL_FORWARDING);
    pwm_params.servoCenterPulse = servoConfig()->servoCenterPulse;
    pwm_params.servoPwmRate = servoConfig()->servo_pwm_rate;
#endif

    pwm_params.useOneshot = feature(FEATURE_ONESHOT125);
    pwm_params.motorPwmRate = motorConfig()->motor_pwm_rate;
    pwm_params.idlePulse = calculateMotorOff();
    if (pwm_params.motorPwmRate > 500)
        pwm_params.idlePulse = 0; // brushed motors

    pwmRxInit();

    // pwmInit() needs to be called as soon as possible for ESC compatibility reasons
    pwmIOConfiguration_t *pwmIOConfiguration = pwmInit(&pwm_params);

    mixerUsePWMIOConfiguration(pwmIOConfiguration);

#ifdef DEBUG_PWM_CONFIGURATION
    debug[2] = pwmIOConfiguration->pwmInputCount;
    debug[3] = pwmIOConfiguration->ppmInputCount;
#endif

    if (!feature(FEATURE_ONESHOT125))
        motorControlEnable = true;

    systemState |= SYSTEM_STATE_MOTORS_READY;

#ifdef INVERTER
    initInverter();
#endif


#ifdef USE_SPI
    spiInit(SPI1);
    spiInit(SPI2);
#ifdef STM32F303xC
#ifdef ALIENFLIGHTF3
    if (hardwareRevision == AFF3_REV_2) {
        spiInit(SPI3);
    }
#else
    spiInit(SPI3);
#endif
#endif
#endif

#ifdef USE_HARDWARE_REVISION_DETECTION
    updateHardwareRevision();
#endif

#if defined(NAZE)
    if (hardwareRevision == NAZE32_SP) {
        serialRemovePort(SERIAL_PORT_SOFTSERIAL2);
    } else  {
        serialRemovePort(SERIAL_PORT_UART3);
    }
#endif

#if defined(SPRACINGF3) && defined(SONAR) && defined(USE_SOFTSERIAL2)
    if (feature(FEATURE_SONAR) && feature(FEATURE_SOFTSERIAL)) {
        serialRemovePort(SERIAL_PORT_SOFTSERIAL2);
    }
#endif

#if defined(SPRACINGF3MINI) && defined(SONAR) && defined(USE_SOFTSERIAL1)
    if (feature(FEATURE_SONAR) && feature(FEATURE_SOFTSERIAL)) {
        serialRemovePort(SERIAL_PORT_SOFTSERIAL1);
    }
#endif


#ifdef USE_I2C
#if defined(NAZE)
    if (hardwareRevision != NAZE32_SP) {
        i2cInit(I2C_DEVICE);
    } else {
        if (!doesConfigurationUsePort(SERIAL_PORT_UART3)) {
            i2cInit(I2C_DEVICE);
        }
    }
#elif defined(CC3D)
    if (!doesConfigurationUsePort(SERIAL_PORT_UART3)) {
        i2cInit(I2C_DEVICE);
    }
#else
    i2cInit(I2C_DEVICE);
#endif
#endif

#ifdef USE_ADC
    drv_adc_config_t adc_params;

    adc_params.channelMask = 0;

#ifdef ADC_BATTERY
    adc_params.channelMask = (feature(FEATURE_VBAT) ? ADC_CHANNEL_MASK(ADC_BATTERY) : 0);
#endif
#ifdef ADC_RSSI
    adc_params.channelMask |= (feature(FEATURE_RSSI_ADC) ? ADC_CHANNEL_MASK(ADC_RSSI) : 0);
#endif
#ifdef ADC_AMPERAGE
    adc_params.channelMask |=  (feature(FEATURE_AMPERAGE_METER) ? ADC_CHANNEL_MASK(ADC_AMPERAGE) : 0);
#endif

#ifdef ADC_POWER_12V
    adc_params.channelMask |= ADC_CHANNEL_MASK(ADC_POWER_12V);
#endif
#ifdef ADC_POWER_5V
    adc_params.channelMask |= ADC_CHANNEL_MASK(ADC_POWER_5V);
#endif
#ifdef ADC_POWER_3V
    adc_params.channelMask |= ADC_CHANNEL_MASK(ADC_POWER_3V);
#endif

#ifdef NAZE
    // optional ADC5 input on rev.5 hardware
    adc_params.channelMask |= (hardwareRevision >= NAZE32_REV5) ? ADC_CHANNEL_MASK(ADC_EXTERNAL) : 0;
#endif

    adcInit(&adc_params);
#endif

    initBoardAlignment();

#ifdef DISPLAY
    if (feature(FEATURE_DISPLAY)) {
        displayInit();
    }
#endif

#ifdef NAZE
    if (hardwareRevision < NAZE32_REV5) {
        gyroConfig()->gyro_sync = 0;
    }
#endif

    if (!sensorsAutodetect()) {
        // if gyro was not detected due to whatever reason, we give up now.
        failureMode(FAILURE_MISSING_ACC);
    }

    systemState |= SYSTEM_STATE_SENSORS_READY;

    flashLedsAndBeep();

    mspInit();
    mspSerialInit();

    const uint16_t pidPeriodUs = US_FROM_HZ(gyro.sampleFrequencyHz);
    pidSetTargetLooptime(pidPeriodUs * gyroConfig()->pid_process_denom);
    pidInitFilters(pidProfile());

#ifdef USE_SERVOS
    mixerInitialiseServoFiltering(targetPidLooptime);
#endif

    imuInit();


#ifdef USE_CLI
    cliInit();
#endif

    failsafeInit();

    rxInit(modeActivationProfile()->modeActivationConditions);

#ifdef GPS
    if (feature(FEATURE_GPS)) {
        gpsInit();
        navigationInit(pidProfile());
    }
#endif

#ifdef SONAR
    if (feature(FEATURE_SONAR)) {
        sonarInit(sonarHardware);
    }
#endif

#ifdef LED_STRIP
    ledStripInit();

    if (feature(FEATURE_LED_STRIP)) {
        ledStripEnable();
    }
#endif

#ifdef TELEMETRY
    if (feature(FEATURE_TELEMETRY)) {
        telemetryInit();
    }
#endif

#ifdef USB_CABLE_DETECTION
    usbCableDetectInit();
#endif

#ifdef TRANSPONDER
    if (feature(FEATURE_TRANSPONDER)) {
        transponderInit(transponderConfig()->data);
        transponderEnable();
        transponderStartRepeating();
        systemState |= SYSTEM_STATE_TRANSPONDER_ENABLED;
    }
#endif

#ifdef USE_FLASHFS
#ifdef NAZE
    if (hardwareRevision == NAZE32_REV5) {
        m25p16_init();
    }
#elif defined(USE_FLASH_M25P16)
    m25p16_init();
#endif

    flashfsInit();
#endif

#ifdef USE_SDCARD
    bool sdcardUseDMA = false;

    sdcardInsertionDetectInit();

#ifdef SDCARD_DMA_CHANNEL_TX

#if defined(LED_STRIP) && defined(WS2811_DMA_CHANNEL)
    // Ensure the SPI Tx DMA doesn't overlap with the led strip
    sdcardUseDMA = !feature(FEATURE_LED_STRIP) || SDCARD_DMA_CHANNEL_TX != WS2811_DMA_CHANNEL;
#else
    sdcardUseDMA = true;
#endif

#endif

    sdcard_init(sdcardUseDMA);

    afatfs_init();
#endif

#ifdef BLACKBOX
    initBlackbox();
#endif

    if (mixerConfig()->mixerMode == MIXER_GIMBAL) {
        accSetCalibrationCycles(CALIBRATING_ACC_CYCLES);
    }
    gyroSetCalibrationCycles(CALIBRATING_GYRO_CYCLES);
#ifdef BARO
    baroSetCalibrationCycles(CALIBRATING_BARO_CYCLES);
#endif

    // start all timers
    // TODO - not implemented yet
    timerStart();

    ENABLE_STATE(SMALL_ANGLE);
    DISABLE_ARMING_FLAG(PREVENT_ARMING);

#ifdef SOFTSERIAL_LOOPBACK
    // FIXME this is a hack, perhaps add a FUNCTION_LOOPBACK to support it properly
    loopbackPort = (serialPort_t*)&(softSerialPorts[0]);
    if (!loopbackPort->vTable) {
        loopbackPort = openSoftSerial(0, NULL, 19200, SERIAL_NOT_INVERTED);
    }
    serialPrint(loopbackPort, "LOOPBACK\r\n");
#endif


    if (feature(FEATURE_VBAT)) {
        // Now that everything has powered up the voltage and cell count be determined.

        voltageMeterInit();
        batteryInit();
    }

    if (feature(FEATURE_AMPERAGE_METER)) {
        amperageMeterInit();
    }

#ifdef DISPLAY
    if (feature(FEATURE_DISPLAY)) {
#ifdef USE_OLED_GPS_DEBUG_PAGE_ONLY
        displayShowFixedPage(PAGE_GPS);
#else
        displayResetPageCycling();
        displayEnablePageCycling();
#endif
    }
#endif

#ifdef CJMCU
    LED2_ON;
#endif

    // Latch active features AGAIN since some may be modified by init().
    latchActiveFeatures();
    motorControlEnable = true;

    systemState |= SYSTEM_STATE_READY;
}

#ifdef SOFTSERIAL_LOOPBACK
void processLoopback(void) {
    if (loopbackPort) {
        uint8_t bytesWaiting;
        while ((bytesWaiting = serialRxBytesWaiting(loopbackPort))) {
            uint8_t b = serialRead(loopbackPort);
            serialWrite(loopbackPort, b);
        };
    }
}
#else
#define processLoopback()
#endif

void configureScheduler(void)
{
    schedulerInit();
    setTaskEnabled(TASK_SYSTEM, true);

    uint16_t gyroPeriodUs = US_FROM_HZ(gyro.sampleFrequencyHz);
    rescheduleTask(TASK_GYRO, gyroPeriodUs);
    setTaskEnabled(TASK_GYRO, true);

    rescheduleTask(TASK_PID, gyroPeriodUs);
    setTaskEnabled(TASK_PID, true);

    if (sensors(SENSOR_ACC)) {
        setTaskEnabled(TASK_ACCEL, true);
    }

    setTaskEnabled(TASK_ATTITUDE, sensors(SENSOR_ACC));
    setTaskEnabled(TASK_SERIAL, true);
#ifdef BEEPER
    setTaskEnabled(TASK_BEEPER, true);
#endif
    setTaskEnabled(TASK_BATTERY, feature(FEATURE_VBAT) || feature(FEATURE_AMPERAGE_METER));
    setTaskEnabled(TASK_RX, true);
#ifdef GPS
    setTaskEnabled(TASK_GPS, feature(FEATURE_GPS));
#endif
#ifdef MAG
    setTaskEnabled(TASK_COMPASS, sensors(SENSOR_MAG));
#if defined(MPU6500_SPI_INSTANCE) && defined(USE_MAG_AK8963)
    // fixme temporary solution for AK6983 via slave I2C on MPU9250
    rescheduleTask(TASK_COMPASS, 1000000 / 40);
#endif
#endif
#ifdef BARO
    setTaskEnabled(TASK_BARO, sensors(SENSOR_BARO));
#endif
#ifdef SONAR
    setTaskEnabled(TASK_SONAR, sensors(SENSOR_SONAR));
#endif
#if defined(BARO) || defined(SONAR)
    setTaskEnabled(TASK_ALTITUDE, sensors(SENSOR_BARO) || sensors(SENSOR_SONAR));
#endif
#ifdef DISPLAY
    setTaskEnabled(TASK_DISPLAY, feature(FEATURE_DISPLAY));
#endif
#ifdef TELEMETRY
    setTaskEnabled(TASK_TELEMETRY, feature(FEATURE_TELEMETRY));
#endif
#ifdef LED_STRIP
    setTaskEnabled(TASK_LEDSTRIP, feature(FEATURE_LED_STRIP));
#endif
#ifdef TRANSPONDER
    setTaskEnabled(TASK_TRANSPONDER, feature(FEATURE_TRANSPONDER));
#endif
}
Esempio n. 11
0
void init(void)
{
    drv_pwm_config_t pwm_params;

    printfSupportInit();

    initEEPROM();

    ensureEEPROMContainsValidData();
    readEEPROM();

    systemState |= SYSTEM_STATE_CONFIG_LOADED;

#ifdef STM32F303
    // start fpu
    SCB->CPACR = (0x3 << (10*2)) | (0x3 << (11*2));
#endif

#ifdef STM32F303xC
    SetSysClock();
#endif
#ifdef STM32F10X
    // Configure the System clock frequency, HCLK, PCLK2 and PCLK1 prescalers
    // Configure the Flash Latency cycles and enable prefetch buffer
    SetSysClock(masterConfig.emf_avoidance);
#endif
    i2cSetOverclock(masterConfig.i2c_highspeed);

#ifdef USE_HARDWARE_REVISION_DETECTION
    detectHardwareRevision();
#endif

    systemInit();

    // Latch active features to be used for feature() in the remainder of init().
    latchActiveFeatures();

    ledInit();

#ifdef BEEPER
    beeperConfig_t beeperConfig = {
        .gpioPeripheral = BEEP_PERIPHERAL,
        .gpioPin = BEEP_PIN,
        .gpioPort = BEEP_GPIO,
#ifdef BEEPER_INVERTED
        .gpioMode = Mode_Out_PP,
        .isInverted = true
#else
        .gpioMode = Mode_Out_OD,
        .isInverted = false
#endif
    };
#ifdef NAZE
    if (hardwareRevision >= NAZE32_REV5) {
        // naze rev4 and below used opendrain to PNP for buzzer. Rev5 and above use PP to NPN.
        beeperConfig.gpioMode = Mode_Out_PP;
        beeperConfig.isInverted = true;
    }
#endif

    beeperInit(&beeperConfig);
#endif

#ifdef BUTTONS
    buttonsInit();

    if (!isMPUSoftReset()) {
        buttonsHandleColdBootButtonPresses();
    }
#endif

#ifdef SPEKTRUM_BIND
    if (feature(FEATURE_RX_SERIAL)) {
        switch (masterConfig.rxConfig.serialrx_provider) {
            case SERIALRX_SPEKTRUM1024:
            case SERIALRX_SPEKTRUM2048:
                // Spektrum satellite binding if enabled on startup.
                // Must be called before that 100ms sleep so that we don't lose satellite's binding window after startup.
                // The rest of Spektrum initialization will happen later - via spektrumInit()
                spektrumBind(&masterConfig.rxConfig);
                break;
        }
    }
#endif

    delay(100);

    timerInit();  // timer must be initialized before any channel is allocated

    dmaInit();


    serialInit(&masterConfig.serialConfig, feature(FEATURE_SOFTSERIAL));

#ifdef USE_SERVOS
    mixerInit(masterConfig.mixerMode, masterConfig.customMotorMixer, masterConfig.customServoMixer);
#else
    mixerInit(masterConfig.mixerMode, masterConfig.customMotorMixer);
#endif

    memset(&pwm_params, 0, sizeof(pwm_params));

#ifdef SONAR
    const sonarHardware_t *sonarHardware = NULL;

    if (feature(FEATURE_SONAR)) {
        sonarHardware = sonarGetHardwareConfiguration(&masterConfig.batteryConfig);
        sonarGPIOConfig_t sonarGPIOConfig = {
            .gpio = SONAR_GPIO,
            .triggerPin = sonarHardware->echo_pin,
            .echoPin = sonarHardware->trigger_pin,
        };
        pwm_params.sonarGPIOConfig = &sonarGPIOConfig;
    }
#endif

    // when using airplane/wing mixer, servo/motor outputs are remapped
    if (masterConfig.mixerMode == MIXER_AIRPLANE || masterConfig.mixerMode == MIXER_FLYING_WING || masterConfig.mixerMode == MIXER_CUSTOM_AIRPLANE)
        pwm_params.airplane = true;
    else
        pwm_params.airplane = false;
#if defined(USE_UART2) && defined(STM32F10X)
    pwm_params.useUART2 = doesConfigurationUsePort(SERIAL_PORT_UART2);
#endif
#if defined(USE_UART3)
    pwm_params.useUART3 = doesConfigurationUsePort(SERIAL_PORT_UART3);
#endif
#if defined(USE_UART4)
    pwm_params.useUART4 = doesConfigurationUsePort(SERIAL_PORT_UART4);
#endif
#if defined(USE_UART5)
    pwm_params.useUART5 = doesConfigurationUsePort(SERIAL_PORT_UART5);
#endif
    pwm_params.useVbat = feature(FEATURE_VBAT);
    pwm_params.useSoftSerial = feature(FEATURE_SOFTSERIAL);
    pwm_params.useParallelPWM = feature(FEATURE_RX_PARALLEL_PWM);
    pwm_params.useRSSIADC = feature(FEATURE_RSSI_ADC);
    pwm_params.useCurrentMeterADC = feature(FEATURE_CURRENT_METER)
        && masterConfig.batteryConfig.currentMeterType == CURRENT_SENSOR_ADC;
    pwm_params.useLEDStrip = feature(FEATURE_LED_STRIP);
    pwm_params.usePPM = feature(FEATURE_RX_PPM);
    pwm_params.useSerialRx = feature(FEATURE_RX_SERIAL);
#ifdef SONAR
    pwm_params.useSonar = feature(FEATURE_SONAR);
#endif

#ifdef USE_SERVOS
    pwm_params.useServos = isMixerUsingServos();
    pwm_params.useChannelForwarding = feature(FEATURE_CHANNEL_FORWARDING);
    pwm_params.servoCenterPulse = masterConfig.escAndServoConfig.servoCenterPulse;
    pwm_params.servoPwmRate = masterConfig.servo_pwm_rate;
#endif

    pwm_params.useOneshot = feature(FEATURE_ONESHOT125);
    pwm_params.motorPwmRate = masterConfig.motor_pwm_rate;
    pwm_params.idlePulse = masterConfig.escAndServoConfig.mincommand;
    if (feature(FEATURE_3D))
        pwm_params.idlePulse = masterConfig.flight3DConfig.neutral3d;
    if (pwm_params.motorPwmRate > 500)
        pwm_params.idlePulse = 0; // brushed motors

    pwmRxInit(masterConfig.inputFilteringMode);

    // pwmInit() needs to be called as soon as possible for ESC compatibility reasons
    pwmIOConfiguration_t *pwmIOConfiguration = pwmInit(&pwm_params);

    mixerUsePWMIOConfiguration(pwmIOConfiguration);

    debug[2] = pwmIOConfiguration->pwmInputCount;
    debug[3] = pwmIOConfiguration->ppmInputCount;

    if (!feature(FEATURE_ONESHOT125))
        motorControlEnable = true;

    systemState |= SYSTEM_STATE_MOTORS_READY;

#ifdef INVERTER
    initInverter();
#endif


#ifdef USE_SPI
    spiInit(SPI1);
    spiInit(SPI2);
#endif

#ifdef USE_HARDWARE_REVISION_DETECTION
    updateHardwareRevision();
#endif

#if defined(NAZE)
    if (hardwareRevision == NAZE32_SP) {
        serialRemovePort(SERIAL_PORT_SOFTSERIAL2);
    } else  {
        serialRemovePort(SERIAL_PORT_UART3);
    }
#endif

#if defined(SPRACINGF3) && defined(SONAR) && defined(USE_SOFTSERIAL2)
    if (feature(FEATURE_SONAR) && feature(FEATURE_SOFTSERIAL)) {
        serialRemovePort(SERIAL_PORT_SOFTSERIAL2);
    }
#endif

#if defined(SPRACINGF3MINI) && defined(SONAR) && defined(USE_SOFTSERIAL1)
    if (feature(FEATURE_SONAR) && feature(FEATURE_SOFTSERIAL)) {
        serialRemovePort(SERIAL_PORT_SOFTSERIAL1);
    }
#endif


#ifdef USE_I2C
#if defined(NAZE)
    if (hardwareRevision != NAZE32_SP) {
        i2cInit(I2C_DEVICE);
    } else {
        if (!doesConfigurationUsePort(SERIAL_PORT_UART3)) {
            i2cInit(I2C_DEVICE);
        }
    }
#elif defined(CC3D)
    if (!doesConfigurationUsePort(SERIAL_PORT_UART3)) {
        i2cInit(I2C_DEVICE);
    }
#else
    i2cInit(I2C_DEVICE);
#endif
#endif

#ifdef USE_ADC
    drv_adc_config_t adc_params;

    adc_params.enableVBat = feature(FEATURE_VBAT);
    adc_params.enableRSSI = feature(FEATURE_RSSI_ADC);
    adc_params.enableCurrentMeter = feature(FEATURE_CURRENT_METER);
    adc_params.enableExternal1 = false;
#ifdef OLIMEXINO
    adc_params.enableExternal1 = true;
#endif
#ifdef NAZE
    // optional ADC5 input on rev.5 hardware
    adc_params.enableExternal1 = (hardwareRevision >= NAZE32_REV5);
#endif

    adcInit(&adc_params);
#endif


    initBoardAlignment(&masterConfig.boardAlignment);

#ifdef DISPLAY
    if (feature(FEATURE_DISPLAY)) {
        displayInit(&masterConfig.rxConfig);
    }
#endif

    if (!sensorsAutodetect(&masterConfig.sensorAlignmentConfig, masterConfig.gyro_lpf,
        masterConfig.acc_hardware, masterConfig.mag_hardware, masterConfig.baro_hardware, currentProfile->mag_declination,
        masterConfig.looptime, masterConfig.gyroSync, masterConfig.gyroSyncDenominator)) {

        // if gyro was not detected due to whatever reason, we give up now.
        failureMode(FAILURE_MISSING_ACC);
    }

    systemState |= SYSTEM_STATE_SENSORS_READY;

    flashLedsAndBeep();

#ifdef USE_SERVOS
    mixerInitialiseServoFiltering(targetLooptime);
#endif

#ifdef MAG
    if (sensors(SENSOR_MAG))
        compassInit();
#endif

    imuInit();

    mspInit(&masterConfig.serialConfig);

#ifdef USE_CLI
    cliInit(&masterConfig.serialConfig);
#endif

    failsafeInit(&masterConfig.rxConfig, masterConfig.flight3DConfig.deadband3d_throttle);

    rxInit(&masterConfig.rxConfig, currentProfile->modeActivationConditions);

#ifdef GPS
    if (feature(FEATURE_GPS)) {
        gpsInit(
            &masterConfig.serialConfig,
            &masterConfig.gpsConfig
        );
        navigationInit(
            &currentProfile->gpsProfile,
            &currentProfile->pidProfile
        );
    }
#endif

#ifdef SONAR
    if (feature(FEATURE_SONAR)) {
        sonarInit(sonarHardware);
    }
#endif

#ifdef LED_STRIP
    ledStripInit(masterConfig.ledConfigs, masterConfig.colors);

    if (feature(FEATURE_LED_STRIP)) {
        ledStripEnable();
    }
#endif

#ifdef TELEMETRY
    if (feature(FEATURE_TELEMETRY)) {
        telemetryInit();
    }
#endif

#ifdef USB_CABLE_DETECTION
    usbCableDetectInit();
#endif

#ifdef TRANSPONDER
    if (feature(FEATURE_TRANSPONDER)) {
        transponderInit(masterConfig.transponderData);
        transponderEnable();
        transponderStartRepeating();
        systemState |= SYSTEM_STATE_TRANSPONDER_ENABLED;
    }
#endif

#ifdef USE_FLASHFS
#ifdef NAZE
    if (hardwareRevision == NAZE32_REV5) {
        m25p16_init();
    }
#elif defined(USE_FLASH_M25P16)
    m25p16_init();
#endif

    flashfsInit();
#endif

#ifdef USE_SDCARD
    bool sdcardUseDMA = false;

    sdcardInsertionDetectInit();

#ifdef SDCARD_DMA_CHANNEL_TX

#if defined(LED_STRIP) && defined(WS2811_DMA_CHANNEL)
    // Ensure the SPI Tx DMA doesn't overlap with the led strip
    sdcardUseDMA = !feature(FEATURE_LED_STRIP) || SDCARD_DMA_CHANNEL_TX != WS2811_DMA_CHANNEL;
#else
    sdcardUseDMA = true;
#endif

#endif

    sdcard_init(sdcardUseDMA);

    afatfs_init();
#endif

#ifdef BLACKBOX
    initBlackbox();
#endif

    if (masterConfig.mixerMode == MIXER_GIMBAL) {
        accSetCalibrationCycles(CALIBRATING_ACC_CYCLES);
    }
    gyroSetCalibrationCycles(CALIBRATING_GYRO_CYCLES);
#ifdef BARO
    baroSetCalibrationCycles(CALIBRATING_BARO_CYCLES);
#endif

    // start all timers
    // TODO - not implemented yet
    timerStart();

    ENABLE_STATE(SMALL_ANGLE);
    DISABLE_ARMING_FLAG(PREVENT_ARMING);

#ifdef SOFTSERIAL_LOOPBACK
    // FIXME this is a hack, perhaps add a FUNCTION_LOOPBACK to support it properly
    loopbackPort = (serialPort_t*)&(softSerialPorts[0]);
    if (!loopbackPort->vTable) {
        loopbackPort = openSoftSerial(0, NULL, 19200, SERIAL_NOT_INVERTED);
    }
    serialPrint(loopbackPort, "LOOPBACK\r\n");
#endif

    // Now that everything has powered up the voltage and cell count be determined.

    if (feature(FEATURE_VBAT | FEATURE_CURRENT_METER))
        batteryInit(&masterConfig.batteryConfig);

#ifdef DISPLAY
    if (feature(FEATURE_DISPLAY)) {
#ifdef USE_OLED_GPS_DEBUG_PAGE_ONLY
        displayShowFixedPage(PAGE_GPS);
#else
        displayResetPageCycling();
        displayEnablePageCycling();
#endif
    }
#endif

#ifdef CJMCU
    LED2_ON;
#endif

    // Latch active features AGAIN since some may be modified by init().
    latchActiveFeatures();
    motorControlEnable = true;

    systemState |= SYSTEM_STATE_READY;
}

#ifdef SOFTSERIAL_LOOPBACK
void processLoopback(void) {
    if (loopbackPort) {
        uint8_t bytesWaiting;
        while ((bytesWaiting = serialRxBytesWaiting(loopbackPort))) {
            uint8_t b = serialRead(loopbackPort);
            serialWrite(loopbackPort, b);
        };
    }
}
#else
#define processLoopback()
#endif

int main(void) {
    init();

    /* Setup scheduler */
    if (masterConfig.gyroSync) {
        rescheduleTask(TASK_GYROPID, targetLooptime - INTERRUPT_WAIT_TIME);
    }
    else {
        rescheduleTask(TASK_GYROPID, targetLooptime);
    }

    setTaskEnabled(TASK_GYROPID, true);
    setTaskEnabled(TASK_ACCEL, sensors(SENSOR_ACC));
    setTaskEnabled(TASK_SERIAL, true);
#ifdef BEEPER
    setTaskEnabled(TASK_BEEPER, true);
#endif
    setTaskEnabled(TASK_BATTERY, feature(FEATURE_VBAT) || feature(FEATURE_CURRENT_METER));
    setTaskEnabled(TASK_RX, true);
#ifdef GPS
    setTaskEnabled(TASK_GPS, feature(FEATURE_GPS));
#endif
#ifdef MAG
    setTaskEnabled(TASK_COMPASS, sensors(SENSOR_MAG));
#endif
#ifdef BARO
    setTaskEnabled(TASK_BARO, sensors(SENSOR_BARO));
#endif
#ifdef SONAR
    setTaskEnabled(TASK_SONAR, sensors(SENSOR_SONAR));
#endif
#if defined(BARO) || defined(SONAR)
    setTaskEnabled(TASK_ALTITUDE, sensors(SENSOR_BARO) || sensors(SENSOR_SONAR));
#endif
#ifdef DISPLAY
    setTaskEnabled(TASK_DISPLAY, feature(FEATURE_DISPLAY));
#endif
#ifdef TELEMETRY
    setTaskEnabled(TASK_TELEMETRY, feature(FEATURE_TELEMETRY));
#endif
#ifdef LED_STRIP
    setTaskEnabled(TASK_LEDSTRIP, feature(FEATURE_LED_STRIP));
#endif
#ifdef TRANSPONDER
    setTaskEnabled(TASK_TRANSPONDER, feature(FEATURE_TRANSPONDER));
#endif

    while (1) {
        scheduler();
        processLoopback();
    }
}

void HardFault_Handler(void)
{
    // fall out of the sky
    uint8_t requiredStateForMotors = SYSTEM_STATE_CONFIG_LOADED | SYSTEM_STATE_MOTORS_READY;
    if ((systemState & requiredStateForMotors) == requiredStateForMotors) {
        stopMotors();
    }
#ifdef TRANSPONDER
    // prevent IR LEDs from burning out.
    uint8_t requiredStateForTransponder = SYSTEM_STATE_CONFIG_LOADED | SYSTEM_STATE_TRANSPONDER_ENABLED;
    if ((systemState & requiredStateForTransponder) == requiredStateForTransponder) {
        transponderIrDisable();
    }
#endif

    while (1);
}
Esempio n. 12
0
int main(void) {
    // TODO disable JTAG

    // Stack limit should be less than real stack size, so we have a chance
    // to recover from limit hit.  (Limit is measured in bytes.)
    mp_stack_set_limit((char*)&_ram_end - (char*)&_heap_end - 1024);

    /* STM32F4xx HAL library initialization:
         - Configure the Flash prefetch, instruction and Data caches
         - Configure the Systick to generate an interrupt each 1 msec
         - Set NVIC Group Priority to 4
         - Global MSP (MCU Support Package) initialization
       */
    HAL_Init();

    // set the system clock to be HSE
    SystemClock_Config();

    // enable GPIO clocks
    __GPIOA_CLK_ENABLE();
    __GPIOB_CLK_ENABLE();
    __GPIOC_CLK_ENABLE();
    __GPIOD_CLK_ENABLE();

    // enable the CCM RAM
    __CCMDATARAMEN_CLK_ENABLE();

#if 0
#if defined(NETDUINO_PLUS_2)
    {
        GPIO_InitTypeDef GPIO_InitStructure;
        GPIO_InitStructure.GPIO_Speed = GPIO_Speed_25MHz;
        GPIO_InitStructure.GPIO_Mode = GPIO_Mode_OUT;
        GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
        GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL;

#if MICROPY_HW_HAS_SDCARD
        // Turn on the power enable for the sdcard (PB1)
        GPIO_InitStructure.GPIO_Pin = GPIO_Pin_1;
        GPIO_Init(GPIOB, &GPIO_InitStructure);
        GPIO_WriteBit(GPIOB, GPIO_Pin_1, Bit_SET);
#endif

        // Turn on the power for the 5V on the expansion header (PB2)
        GPIO_InitStructure.GPIO_Pin = GPIO_Pin_2;
        GPIO_Init(GPIOB, &GPIO_InitStructure);
        GPIO_WriteBit(GPIOB, GPIO_Pin_2, Bit_SET);
    }
#endif
#endif

    // basic sub-system init
    pendsv_init();
    timer_tim3_init();
    led_init();
#if MICROPY_HW_HAS_SWITCH
    switch_init0();
#endif

    int first_soft_reset = true;

soft_reset:

    // check if user switch held to select the reset mode
    led_state(1, 0);
    led_state(2, 1);
    led_state(3, 0);
    led_state(4, 0);
    uint reset_mode = 1;

#if MICROPY_HW_HAS_SWITCH
    if (switch_get()) {
        for (uint i = 0; i < 3000; i++) {
            if (!switch_get()) {
                break;
            }
            HAL_Delay(20);
            if (i % 30 == 29) {
                if (++reset_mode > 3) {
                    reset_mode = 1;
                }
                led_state(2, reset_mode & 1);
                led_state(3, reset_mode & 2);
                led_state(4, reset_mode & 4);
            }
        }
        // flash the selected reset mode
        for (uint i = 0; i < 6; i++) {
            led_state(2, 0);
            led_state(3, 0);
            led_state(4, 0);
            HAL_Delay(50);
            led_state(2, reset_mode & 1);
            led_state(3, reset_mode & 2);
            led_state(4, reset_mode & 4);
            HAL_Delay(50);
        }
        HAL_Delay(400);
    }
#endif

#if MICROPY_HW_ENABLE_RTC
    if (first_soft_reset) {
        rtc_init();
    }
#endif

    // more sub-system init
#if MICROPY_HW_HAS_SDCARD
    if (first_soft_reset) {
        sdcard_init();
    }
#endif
    if (first_soft_reset) {
        storage_init();
    }

    // GC init
    gc_init(&_heap_start, &_heap_end);

    // Micro Python init
    mp_init();
    mp_obj_list_init(mp_sys_path, 0);
    mp_obj_list_append(mp_sys_path, MP_OBJ_NEW_QSTR(MP_QSTR_)); // current dir (or base dir of the script)
    mp_obj_list_append(mp_sys_path, MP_OBJ_NEW_QSTR(MP_QSTR__slash_flash));
    mp_obj_list_append(mp_sys_path, MP_OBJ_NEW_QSTR(MP_QSTR__slash_flash_slash_lib));
    mp_obj_list_init(mp_sys_argv, 0);

    // Change #if 0 to #if 1 if you want REPL on UART_6 (or another uart)
    // as well as on USB VCP
#if 0
    {
        mp_obj_t args[2] = {
            MP_OBJ_NEW_SMALL_INT(PYB_UART_6),
            MP_OBJ_NEW_SMALL_INT(115200),
        };
        pyb_stdio_uart = pyb_uart_type.make_new((mp_obj_t)&pyb_uart_type, MP_ARRAY_SIZE(args), 0, args);
    }
#else
    pyb_stdio_uart = NULL;
#endif

    // Initialise low-level sub-systems.  Here we need to very basic things like
    // zeroing out memory and resetting any of the sub-systems.  Following this
    // we can run Python scripts (eg boot.py), but anything that is configurable
    // by boot.py must be set after boot.py is run.

    readline_init0();
    pin_init0();
    extint_init0();
    timer_init0();
    uart_init0();

#if MICROPY_HW_ENABLE_RNG
    rng_init0();
#endif

    i2c_init0();
    spi_init0();
    pyb_usb_init0();

    // Initialise the local flash filesystem.
    // Create it if needed, and mount in on /flash.
    {
        // try to mount the flash
        FRESULT res = f_mount(&fatfs0, "/flash", 1);
        if (reset_mode == 3 || res == FR_NO_FILESYSTEM) {
            // no filesystem, or asked to reset it, so create a fresh one

            // LED on to indicate creation of LFS
            led_state(PYB_LED_R2, 1);
            uint32_t start_tick = HAL_GetTick();

            res = f_mkfs("/flash", 0, 0);
            if (res == FR_OK) {
                // success creating fresh LFS
            } else {
                __fatal_error("could not create LFS");
            }

            // set label
            f_setlabel("/flash/pybflash");

            // create empty main.py
            FIL fp;
            f_open(&fp, "/flash/main.py", FA_WRITE | FA_CREATE_ALWAYS);
            UINT n;
            f_write(&fp, fresh_main_py, sizeof(fresh_main_py) - 1 /* don't count null terminator */, &n);
            // TODO check we could write n bytes
            f_close(&fp);

            // create .inf driver file
            f_open(&fp, "/flash/pybcdc.inf", FA_WRITE | FA_CREATE_ALWAYS);
            f_write(&fp, fresh_pybcdc_inf, sizeof(fresh_pybcdc_inf) - 1 /* don't count null terminator */, &n);
            f_close(&fp);

            // create readme file
            f_open(&fp, "/flash/README.txt", FA_WRITE | FA_CREATE_ALWAYS);
            f_write(&fp, fresh_readme_txt, sizeof(fresh_readme_txt) - 1 /* don't count null terminator */, &n);
            f_close(&fp);

            // keep LED on for at least 200ms
            sys_tick_wait_at_least(start_tick, 200);
            led_state(PYB_LED_R2, 0);
        } else if (res == FR_OK) {
            // mount sucessful
        } else {
            __fatal_error("could not access LFS");
        }
    }

    // The current directory is used as the boot up directory.
    // It is set to the internal flash filesystem by default.
    f_chdrive("/flash");

    // Make sure we have a /flash/boot.py.  Create it if needed.
    {
        FILINFO fno;
#if _USE_LFN
        fno.lfname = NULL;
        fno.lfsize = 0;
#endif
        FRESULT res = f_stat("/flash/boot.py", &fno);
        if (res == FR_OK) {
            if (fno.fattrib & AM_DIR) {
                // exists as a directory
                // TODO handle this case
                // see http://elm-chan.org/fsw/ff/img/app2.c for a "rm -rf" implementation
            } else {
                // exists as a file, good!
            }
        } else {
            // doesn't exist, create fresh file

            // LED on to indicate creation of boot.py
            led_state(PYB_LED_R2, 1);
            uint32_t start_tick = HAL_GetTick();

            FIL fp;
            f_open(&fp, "/flash/boot.py", FA_WRITE | FA_CREATE_ALWAYS);
            UINT n;
            f_write(&fp, fresh_boot_py, sizeof(fresh_boot_py) - 1 /* don't count null terminator */, &n);
            // TODO check we could write n bytes
            f_close(&fp);

            // keep LED on for at least 200ms
            sys_tick_wait_at_least(start_tick, 200);
            led_state(PYB_LED_R2, 0);
        }
    }

#if defined(USE_DEVICE_MODE)
    usb_storage_medium_t usb_medium = USB_STORAGE_MEDIUM_FLASH;
#endif

#if MICROPY_HW_HAS_SDCARD
    // if an SD card is present then mount it on /sd/
    if (sdcard_is_present()) {
        FRESULT res = f_mount(&fatfs1, "/sd", 1);
        if (res != FR_OK) {
            printf("[SD] could not mount SD card\n");
        } else {
            // use SD card as current directory
            f_chdrive("/sd");

            // TODO these should go before the /flash entries in the path
            mp_obj_list_append(mp_sys_path, MP_OBJ_NEW_QSTR(MP_QSTR__slash_sd));
            mp_obj_list_append(mp_sys_path, MP_OBJ_NEW_QSTR(MP_QSTR__slash_sd_slash_lib));

            if (first_soft_reset) {
                // use SD card as medium for the USB MSD
#if defined(USE_DEVICE_MODE)
                usb_medium = USB_STORAGE_MEDIUM_SDCARD;
#endif
            }
        }
    }
#endif

    // reset config variables; they should be set by boot.py
    pyb_config_main = MP_OBJ_NULL;
    pyb_config_usb_mode = MP_OBJ_NULL;

    // run boot.py, if it exists
    // TODO perhaps have pyb.reboot([bootpy]) function to soft-reboot and execute custom boot.py
    if (reset_mode == 1) {
        const char *boot_py = "boot.py";
        FRESULT res = f_stat(boot_py, NULL);
        if (res == FR_OK) {
            int ret = pyexec_file(boot_py);
            if (ret & PYEXEC_FORCED_EXIT) {
                goto soft_reset_exit;
            }
            if (!ret) {
                flash_error(4);
            }
        }
    }

    // turn boot-up LEDs off
    led_state(2, 0);
    led_state(3, 0);
    led_state(4, 0);

    // Now we initialise sub-systems that need configuration from boot.py,
    // or whose initialisation can be safely deferred until after running
    // boot.py.

#if defined(USE_HOST_MODE)
    // USB host
    pyb_usb_host_init();
#elif defined(USE_DEVICE_MODE)
    // USB device
    usb_device_mode_t usb_mode = USB_DEVICE_MODE_CDC_MSC;
    // if we are not in reset_mode==1, this config variable will always be NULL
    if (pyb_config_usb_mode != MP_OBJ_NULL) {
        if (strcmp(mp_obj_str_get_str(pyb_config_usb_mode), "CDC+HID") == 0) {
            usb_mode = USB_DEVICE_MODE_CDC_HID;
        }
    }
    pyb_usb_dev_init(usb_mode, usb_medium);
#endif

#if MICROPY_HW_HAS_MMA7660
    // MMA accel: init and reset
    accel_init();
#endif

#if MICROPY_HW_ENABLE_SERVO
    // servo
    servo_init();
#endif

#if MICROPY_HW_ENABLE_DAC
    // DAC
    dac_init();
#endif

    mod_network_init();

    // At this point everything is fully configured and initialised.

    // Run the main script from the current directory.
    if (reset_mode == 1 && pyexec_mode_kind == PYEXEC_MODE_FRIENDLY_REPL) {
        const char *main_py;
        if (pyb_config_main == MP_OBJ_NULL) {
            main_py = "main.py";
        } else {
            main_py = mp_obj_str_get_str(pyb_config_main);
        }
        FRESULT res = f_stat(main_py, NULL);
        if (res == FR_OK) {
            int ret = pyexec_file(main_py);
            if (ret & PYEXEC_FORCED_EXIT) {
                goto soft_reset_exit;
            }
            if (!ret) {
                flash_error(3);
            }
        }
    }

    // Main script is finished, so now go into REPL mode.
    // The REPL mode can change, or it can request a soft reset.
    for (;;) {
        if (pyexec_mode_kind == PYEXEC_MODE_RAW_REPL) {
            if (pyexec_raw_repl() != 0) {
                break;
            }
        } else {
            if (pyexec_friendly_repl() != 0) {
                break;
            }
        }
    }

soft_reset_exit:

    // soft reset

    printf("PYB: sync filesystems\n");
    storage_flush();

    printf("PYB: soft reboot\n");
    timer_deinit();
    uart_deinit();

    first_soft_reset = false;
    goto soft_reset;
}
Esempio n. 13
0
int main(void) {
    // TODO disable JTAG

    /* STM32F4xx HAL library initialization:
         - Configure the Flash prefetch, instruction and Data caches
         - Configure the Systick to generate an interrupt each 1 msec
         - Set NVIC Group Priority to 4
         - Global MSP (MCU Support Package) initialization
       */
    HAL_Init();

    // set the system clock to be HSE
    SystemClock_Config();

    // enable GPIO clocks
    __GPIOA_CLK_ENABLE();
    __GPIOB_CLK_ENABLE();
    __GPIOC_CLK_ENABLE();
    __GPIOD_CLK_ENABLE();

    // enable the CCM RAM
    __CCMDATARAMEN_CLK_ENABLE();

#if 0
#if defined(NETDUINO_PLUS_2)
    {
        GPIO_InitTypeDef GPIO_InitStructure;
        GPIO_InitStructure.GPIO_Speed = GPIO_Speed_25MHz;
        GPIO_InitStructure.GPIO_Mode = GPIO_Mode_OUT;
        GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
        GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL;

#if MICROPY_HW_HAS_SDCARD
        // Turn on the power enable for the sdcard (PB1)
        GPIO_InitStructure.GPIO_Pin = GPIO_Pin_1;
        GPIO_Init(GPIOB, &GPIO_InitStructure);
        GPIO_WriteBit(GPIOB, GPIO_Pin_1, Bit_SET);
#endif

        // Turn on the power for the 5V on the expansion header (PB2)
        GPIO_InitStructure.GPIO_Pin = GPIO_Pin_2;
        GPIO_Init(GPIOB, &GPIO_InitStructure);
        GPIO_WriteBit(GPIOB, GPIO_Pin_2, Bit_SET);
    }
#endif
#endif

    // basic sub-system init
    pendsv_init();
    timer_tim3_init();
    led_init();
    switch_init0();

    int first_soft_reset = true;

soft_reset:

    // check if user switch held to select the reset mode
    led_state(1, 0);
    led_state(2, 1);
    led_state(3, 0);
    led_state(4, 0);
    uint reset_mode = 1;

#if MICROPY_HW_HAS_SWITCH
    if (switch_get()) {
        for (uint i = 0; i < 3000; i++) {
            if (!switch_get()) {
                break;
            }
            HAL_Delay(20);
            if (i % 30 == 29) {
                if (++reset_mode > 3) {
                    reset_mode = 1;
                }
                led_state(2, reset_mode & 1);
                led_state(3, reset_mode & 2);
                led_state(4, reset_mode & 4);
            }
        }
        // flash the selected reset mode
        for (uint i = 0; i < 6; i++) {
            led_state(2, 0);
            led_state(3, 0);
            led_state(4, 0);
            HAL_Delay(50);
            led_state(2, reset_mode & 1);
            led_state(3, reset_mode & 2);
            led_state(4, reset_mode & 4);
            HAL_Delay(50);
        }
        HAL_Delay(400);
    }
#endif

#if MICROPY_HW_ENABLE_RTC
    if (first_soft_reset) {
        rtc_init();
    }
#endif

    // more sub-system init
#if MICROPY_HW_HAS_SDCARD
    if (first_soft_reset) {
        sdcard_init();
    }
#endif
    if (first_soft_reset) {
        storage_init();
    }

    // GC init
    gc_init(&_heap_start, &_heap_end);

    // Change #if 0 to #if 1 if you want REPL on USART_6 (or another usart)
    // as well as on USB VCP
#if 0
    pyb_usart_global_debug = pyb_Usart(MP_OBJ_NEW_SMALL_INT(PYB_USART_YA),
                                       MP_OBJ_NEW_SMALL_INT(115200));
#else
    pyb_usart_global_debug = NULL;
#endif

    // Micro Python init
    qstr_init();
    mp_init();
    mp_obj_list_init(mp_sys_path, 0);
    mp_obj_list_append(mp_sys_path, MP_OBJ_NEW_QSTR(MP_QSTR_0_colon__slash_));
    mp_obj_list_append(mp_sys_path, MP_OBJ_NEW_QSTR(MP_QSTR_0_colon__slash_lib));
    mp_obj_list_init(mp_sys_argv, 0);

    readline_init();

    exti_init();

#if MICROPY_HW_HAS_SWITCH
    // must come after exti_init
    switch_init();
#endif

#if MICROPY_HW_HAS_LCD
    // LCD init (just creates class, init hardware by calling LCD())
    lcd_init();
#endif

    pin_map_init();

    // local filesystem init
    {
        // try to mount the flash
        FRESULT res = f_mount(&fatfs0, "0:", 1);
        if (reset_mode == 3 || res == FR_NO_FILESYSTEM) {
            // no filesystem, or asked to reset it, so create a fresh one

            // LED on to indicate creation of LFS
            led_state(PYB_LED_R2, 1);
            uint32_t start_tick = HAL_GetTick();

            res = f_mkfs("0:", 0, 0);
            if (res == FR_OK) {
                // success creating fresh LFS
            } else {
                __fatal_error("could not create LFS");
            }

            // create empty main.py
            FIL fp;
            f_open(&fp, "0:/main.py", FA_WRITE | FA_CREATE_ALWAYS);
            UINT n;
            f_write(&fp, fresh_main_py, sizeof(fresh_main_py) - 1 /* don't count null terminator */, &n);
            // TODO check we could write n bytes
            f_close(&fp);

            // create .inf driver file
            f_open(&fp, "0:/pybcdc.inf", FA_WRITE | FA_CREATE_ALWAYS);
            f_write(&fp, fresh_pybcdc_inf, sizeof(fresh_pybcdc_inf) - 1 /* don't count null terminator */, &n);
            f_close(&fp);

            // keep LED on for at least 200ms
            sys_tick_wait_at_least(start_tick, 200);
            led_state(PYB_LED_R2, 0);
        } else if (res == FR_OK) {
            // mount sucessful
        } else {
            __fatal_error("could not access LFS");
        }
    }

    // make sure we have a 0:/boot.py
    {
        FILINFO fno;
#if _USE_LFN
        fno.lfname = NULL;
        fno.lfsize = 0;
#endif
        FRESULT res = f_stat("0:/boot.py", &fno);
        if (res == FR_OK) {
            if (fno.fattrib & AM_DIR) {
                // exists as a directory
                // TODO handle this case
                // see http://elm-chan.org/fsw/ff/img/app2.c for a "rm -rf" implementation
            } else {
                // exists as a file, good!
            }
        } else {
            // doesn't exist, create fresh file

            // LED on to indicate creation of boot.py
            led_state(PYB_LED_R2, 1);
            uint32_t start_tick = HAL_GetTick();

            FIL fp;
            f_open(&fp, "0:/boot.py", FA_WRITE | FA_CREATE_ALWAYS);
            UINT n;
            f_write(&fp, fresh_boot_py, sizeof(fresh_boot_py) - 1 /* don't count null terminator */, &n);
            // TODO check we could write n bytes
            f_close(&fp);

            // keep LED on for at least 200ms
            sys_tick_wait_at_least(start_tick, 200);
            led_state(PYB_LED_R2, 0);
        }
    }

    // root device defaults to internal flash filesystem
    uint root_device = 0;

#if defined(USE_DEVICE_MODE)
    usb_storage_medium_t usb_medium = USB_STORAGE_MEDIUM_FLASH;
#endif

#if MICROPY_HW_HAS_SDCARD
    // if an SD card is present then mount it on 1:/
    if (reset_mode == 1 && sdcard_is_present()) {
        FRESULT res = f_mount(&fatfs1, "1:", 1);
        if (res != FR_OK) {
            printf("[SD] could not mount SD card\n");
        } else {
            // use SD card as root device
            root_device = 1;

            if (first_soft_reset) {
                // use SD card as medium for the USB MSD
#if defined(USE_DEVICE_MODE)
                usb_medium = USB_STORAGE_MEDIUM_SDCARD;
#endif
            }
        }
    }
#else
    // Get rid of compiler warning if no SDCARD is configured.
    (void)first_soft_reset;
#endif

    // run <root>:/boot.py, if it exists
    if (reset_mode == 1) {
        const char *boot_file;
        if (root_device == 0) {
            boot_file = "0:/boot.py";
        } else {
            boot_file = "1:/boot.py";
        }
        FRESULT res = f_stat(boot_file, NULL);
        if (res == FR_OK) {
            if (!pyexec_file(boot_file)) {
                flash_error(4);
            }
        }
    }

    // turn boot-up LEDs off
    led_state(2, 0);
    led_state(3, 0);
    led_state(4, 0);

#if defined(USE_HOST_MODE)
    // USB host
    pyb_usb_host_init();
#elif defined(USE_DEVICE_MODE)
    // USB device
    if (reset_mode == 1) {
        usb_device_mode_t usb_mode = USB_DEVICE_MODE_CDC_MSC;
        if (pyb_config_usb_mode != MP_OBJ_NULL) {
            if (strcmp(mp_obj_str_get_str(pyb_config_usb_mode), "CDC+HID") == 0) {
                usb_mode = USB_DEVICE_MODE_CDC_HID;
            }
        }
        pyb_usb_dev_init(usb_mode, usb_medium);
    } else {
        pyb_usb_dev_init(USB_DEVICE_MODE_CDC_MSC, usb_medium);
    }
#endif

#if MICROPY_HW_ENABLE_RNG
    // RNG
    rng_init();
#endif

#if MICROPY_HW_ENABLE_TIMER
    // timer
    //timer_init();
#endif

    // I2C
    i2c_init();

#if MICROPY_HW_HAS_MMA7660
    // MMA accel: init and reset
    accel_init();
#endif

#if MICROPY_HW_ENABLE_SERVO
    // servo
    servo_init();
#endif

#if MICROPY_HW_ENABLE_DAC
    // DAC
    dac_init();
#endif

    // now that everything is initialised, run main script
    if (reset_mode == 1 && pyexec_mode_kind == PYEXEC_MODE_FRIENDLY_REPL) {
        vstr_t *vstr = vstr_new();
        vstr_printf(vstr, "%d:/", root_device);
        if (pyb_config_main == MP_OBJ_NULL) {
            vstr_add_str(vstr, "main.py");
        } else {
            vstr_add_str(vstr, mp_obj_str_get_str(pyb_config_main));
        }
        FRESULT res = f_stat(vstr_str(vstr), NULL);
        if (res == FR_OK) {
            if (!pyexec_file(vstr_str(vstr))) {
                flash_error(3);
            }
        }
        vstr_free(vstr);
    }

#if 0
#if MICROPY_HW_HAS_WLAN
    // wifi
    pyb_wlan_init();
    pyb_wlan_start();
#endif
#endif

    // enter REPL
    // REPL mode can change, or it can request a soft reset
    for (;;) {
        if (pyexec_mode_kind == PYEXEC_MODE_RAW_REPL) {
            if (pyexec_raw_repl() != 0) {
                break;
            }
        } else {
            if (pyexec_friendly_repl() != 0) {
                break;
            }
        }
    }

    printf("PYB: sync filesystems\n");
    storage_flush();

    printf("PYB: soft reboot\n");

    first_soft_reset = false;
    goto soft_reset;
}
Esempio n. 14
0
int main(void) {
  cli();

  /* We need to use a timer to control how long our main loop iterations are.
   * Experiments showed that the main loop was executing approximately every
   * 3.2 milliseconds, which is too quick for the sdcard to write a block
   * of data. Here we are configuring Timer1 because it is a "16-bit" timer
   * which would allow us to count to values greater than (2^8)-1. For a pre-
   * scale value of 64, the timer will count up to 16,000,000/64 = 250,000.
   * This gives us a timer period of 250,000 ticks/sec = 4 microseconds/tick.
   * Suppose we want the main loop to run 40 times per second (40 Hz), we would
   * need to restart the loop when Timer1 reaches the value: 250,000/40 = 6250
   * See Atmel datasheet for Mega, Section 17.11
   */
  TCCR1A = 0b00000000;  // Normal operation; no waveform generation by default
  TCCR1B = 0b00000011;  // No input capture, waveform gen; prescaler = 64
  TCCR1C = 0b00000000;  // No output compare
  TIMSK1 = 0b00000000;

  // TIMING DEBUG - Digital Pin 4
  DDRG |= (1 << 5);

  char msg[64];

  if (button_init() &&
      uwrite_init() &&
      cmps10_init() &&
      sdcard_init()) {
    uwrite_print_buff("All systems go!\r\n");
    return 0;
  } else {
    uwrite_print_buff("There was an error during init\r\n");
    return 1;
  }

  memset(msg, 0, sizeof(msg));
  memset(&statevars, 0, sizeof(statevars));
  statevars.prefix = 0xDADAFEED;
  statevars.suffix = 0xCAFEBABE;

  uint32_t iterations = 0;

  sei();

  TIMSK1 = 0b00000001;

  while (1) {
    // TIMING DEBUG FOR OSCILLOSCOPE
    PORTG |= (1 << 5);

    TCNT1 = 0;

    button_update();
    cmps10_update_all();
    statevars.main_loop_counter = iterations;
    mainloop_timer_overflow = 0;

    // TIMING DEBUG FOR OSCILLOSCOPE
    PORTG &= (0 << 5);

    if (button_is_pressed()) {
      uwrite_print_buff("The button is pressed! The LED should be on.\r\n");
      led_turn_on();
      statevars.mission_started = 1;
    } else {
      led_turn_off();
      statevars.mission_started = 0;
    }

    snprintf(msg, sizeof(msg),
      "Heading: %u  Pitch: %d  Roll: %hhd\r\n",
     cmps10_heading, cmps10_pitch, cmps10_roll); 
     // Needed to cast these values to display negative pitch and roll values
     //(int8_t) statevars.heading_raw, (int8_t) statevars.pitch_deg, (int8_t) statevars.roll_deg); 
    uwrite_print_buff(msg);

    sdcard_write_data();

    iterations++;

    if (iterations > 256) {
      uwrite_print_buff("Finished collecting data!\r\n");
      break;
    }

    /* Ensure that the main loop period is as long as we want it to be.
     * This means (1) triggering the main loop to restart we notice it is 
     * running too long, and (2) performing busy waiting if the instructions
     * above finish before the desired loop duration.
     */
    while (1) {
      if (mainloop_timer_overflow) {
        break;
      }

      if (TCNT1 >= MAINLOOP_PERIOD_TICKS) {
        break;
      }
    }

  }

  return 0;
}
Esempio n. 15
0
void init(void)
{
    printfSupportInit();

    initEEPROM();

    ensureEEPROMContainsValidData();
    readEEPROM();

    systemState |= SYSTEM_STATE_CONFIG_LOADED;

    // initialize IO (needed for all IO operations)
    IOInitGlobal();

#ifdef STM32F303
    // start fpu
    SCB->CPACR = (0x3 << (10*2)) | (0x3 << (11*2));
#endif

#ifdef STM32F303xC
    SetSysClock();
#endif
#ifdef STM32F10X
    // Configure the System clock frequency, HCLK, PCLK2 and PCLK1 prescalers
    // Configure the Flash Latency cycles and enable prefetch buffer
    SetSysClock(masterConfig.emf_avoidance);
#endif
    i2cSetOverclock(masterConfig.i2c_overclock);

#ifdef USE_HARDWARE_REVISION_DETECTION
    detectHardwareRevision();
#endif

    systemInit();

    // Latch active features to be used for feature() in the remainder of init().
    latchActiveFeatures();

#ifdef ALIENFLIGHTF3
    ledInit(hardwareRevision == AFF3_REV_1 ? false : true);
#else
    ledInit(false);
#endif

#ifdef SPEKTRUM_BIND
    if (feature(FEATURE_RX_SERIAL)) {
        switch (masterConfig.rxConfig.serialrx_provider) {
            case SERIALRX_SPEKTRUM1024:
            case SERIALRX_SPEKTRUM2048:
                // Spektrum satellite binding if enabled on startup.
                // Must be called before that 100ms sleep so that we don't lose satellite's binding window after startup.
                // The rest of Spektrum initialization will happen later - via spektrumInit()
                spektrumBind(&masterConfig.rxConfig);
                break;
        }
    }
#endif

    delay(500);

    timerInit();  // timer must be initialized before any channel is allocated

    serialInit(&masterConfig.serialConfig, feature(FEATURE_SOFTSERIAL));

#ifdef USE_SERVOS
    mixerInit(masterConfig.mixerMode, masterConfig.customMotorMixer, masterConfig.customServoMixer);
#else
    mixerInit(masterConfig.mixerMode, masterConfig.customMotorMixer);
#endif

    drv_pwm_config_t pwm_params;
    memset(&pwm_params, 0, sizeof(pwm_params));

#ifdef SONAR
    if (feature(FEATURE_SONAR)) {
        const sonarHcsr04Hardware_t *sonarHardware = sonarGetHardwareConfiguration(masterConfig.batteryConfig.currentMeterType);
        if (sonarHardware) {
            pwm_params.useSonar = true;
            pwm_params.sonarIOConfig.triggerTag = sonarHardware->triggerTag;
            pwm_params.sonarIOConfig.echoTag = sonarHardware->echoTag;
        }
    }
#endif

    // when using airplane/wing mixer, servo/motor outputs are remapped
    if (masterConfig.mixerMode == MIXER_AIRPLANE || masterConfig.mixerMode == MIXER_FLYING_WING || masterConfig.mixerMode == MIXER_CUSTOM_AIRPLANE)
        pwm_params.airplane = true;
    else
        pwm_params.airplane = false;
#if defined(USE_USART2) && defined(STM32F10X)
    pwm_params.useUART2 = doesConfigurationUsePort(SERIAL_PORT_USART2);
#endif
#ifdef STM32F303xC
    pwm_params.useUART3 = doesConfigurationUsePort(SERIAL_PORT_USART3);
#endif
    pwm_params.useVbat = feature(FEATURE_VBAT);
    pwm_params.useSoftSerial = feature(FEATURE_SOFTSERIAL);
    pwm_params.useParallelPWM = feature(FEATURE_RX_PARALLEL_PWM);
    pwm_params.useRSSIADC = feature(FEATURE_RSSI_ADC);
    pwm_params.useCurrentMeterADC = feature(FEATURE_CURRENT_METER)
        && masterConfig.batteryConfig.currentMeterType == CURRENT_SENSOR_ADC;
    pwm_params.useLEDStrip = feature(FEATURE_LED_STRIP);
    pwm_params.usePPM = feature(FEATURE_RX_PPM);
    pwm_params.useSerialRx = feature(FEATURE_RX_SERIAL);

#ifdef USE_SERVOS
    pwm_params.useServos = isServoOutputEnabled();
    pwm_params.useChannelForwarding = feature(FEATURE_CHANNEL_FORWARDING);
    pwm_params.servoCenterPulse = masterConfig.escAndServoConfig.servoCenterPulse;
    pwm_params.servoPwmRate = masterConfig.servo_pwm_rate;
#endif

    pwm_params.useOneshot = feature(FEATURE_ONESHOT125);
    pwm_params.motorPwmRate = masterConfig.motor_pwm_rate;
    pwm_params.idlePulse = masterConfig.escAndServoConfig.mincommand;
    if (feature(FEATURE_3D))
        pwm_params.idlePulse = masterConfig.flight3DConfig.neutral3d;
    if (pwm_params.motorPwmRate > 500)
        pwm_params.idlePulse = 0; // brushed motors

#ifndef SKIP_RX_PWM_PPM
    pwmRxInit(masterConfig.inputFilteringMode);
#endif

    // pwmInit() needs to be called as soon as possible for ESC compatibility reasons
    pwmInit(&pwm_params);

    mixerUsePWMIOConfiguration();

    if (!feature(FEATURE_ONESHOT125))
        motorControlEnable = true;

    systemState |= SYSTEM_STATE_MOTORS_READY;

#ifdef BEEPER
    beeperConfig_t beeperConfig = {
        .ioTag = IO_TAG(BEEPER),
#ifdef BEEPER_INVERTED
        .isOD = false,
        .isInverted = true
#else
        .isOD = true,
        .isInverted = false
#endif
    };
#ifdef NAZE
    if (hardwareRevision >= NAZE32_REV5) {
        // naze rev4 and below used opendrain to PNP for buzzer. Rev5 and above use PP to NPN.
        beeperConfig.isOD = false;
        beeperConfig.isInverted = true;
    }
#endif

    beeperInit(&beeperConfig);
#endif

#ifdef INVERTER
    initInverter();
#endif


#ifdef USE_SPI
    spiInit(SPI1);
    spiInit(SPI2);
#endif

#ifdef USE_HARDWARE_REVISION_DETECTION
    updateHardwareRevision();
#endif

#if defined(NAZE)
    if (hardwareRevision == NAZE32_SP) {
        serialRemovePort(SERIAL_PORT_SOFTSERIAL2);
    } else  {
        serialRemovePort(SERIAL_PORT_USART3);
    }
#endif

#if defined(SPRACINGF3) && defined(SONAR) && defined(USE_SOFTSERIAL2)
    if (feature(FEATURE_SONAR) && feature(FEATURE_SOFTSERIAL)) {
        serialRemovePort(SERIAL_PORT_SOFTSERIAL2);
    }
#endif

#if defined(FURYF3) && defined(SONAR) && defined(USE_SOFTSERIAL1)
    if (feature(FEATURE_SONAR) && feature(FEATURE_SOFTSERIAL)) {
        serialRemovePort(SERIAL_PORT_SOFTSERIAL1);
    }
#endif

#ifdef USE_I2C
#if defined(NAZE)
    if (hardwareRevision != NAZE32_SP) {
        i2cInit(I2C_DEVICE);
    } else {
        if (!doesConfigurationUsePort(SERIAL_PORT_USART3)) {
            i2cInit(I2C_DEVICE);
        }
    }
#elif defined(CC3D)
    if (!doesConfigurationUsePort(SERIAL_PORT_USART3)) {
        i2cInit(I2C_DEVICE);
    }
#else
    i2cInit(I2C_DEVICE);
#endif
#endif

#ifdef USE_ADC
    drv_adc_config_t adc_params;

    adc_params.enableVBat = feature(FEATURE_VBAT);
    adc_params.enableRSSI = feature(FEATURE_RSSI_ADC);
    adc_params.enableCurrentMeter = feature(FEATURE_CURRENT_METER);
    adc_params.enableExternal1 = false;
#ifdef OLIMEXINO
    adc_params.enableExternal1 = true;
#endif
#ifdef NAZE
    // optional ADC5 input on rev.5 hardware
    adc_params.enableExternal1 = (hardwareRevision >= NAZE32_REV5);
#endif

    adcInit(&adc_params);
#endif

    initBoardAlignment(&masterConfig.boardAlignment);

#ifdef DISPLAY
    if (feature(FEATURE_DISPLAY)) {
        displayInit(&masterConfig.rxConfig);
    }
#endif

#ifdef GPS
    if (feature(FEATURE_GPS)) {
        gpsPreInit(&masterConfig.gpsConfig);
    }
#endif

    // Set gyro sampling rate divider before initialization
    gyroSetSampleRate(masterConfig.looptime, masterConfig.gyro_lpf, masterConfig.gyroSync, masterConfig.gyroSyncDenominator);

    if (!sensorsAutodetect(&masterConfig.sensorAlignmentConfig,
            masterConfig.gyro_lpf,
            masterConfig.acc_hardware,
            masterConfig.mag_hardware,
            masterConfig.baro_hardware,
            currentProfile->mag_declination)) {

        // if gyro was not detected due to whatever reason, we give up now.
        failureMode(FAILURE_MISSING_ACC);
    }

    systemState |= SYSTEM_STATE_SENSORS_READY;

    LED1_ON;
    LED0_OFF;
    for (int i = 0; i < 10; i++) {
        LED1_TOGGLE;
        LED0_TOGGLE;
        delay(25);
        BEEP_ON;
        delay(25);
        BEEP_OFF;
    }
    LED0_OFF;
    LED1_OFF;

#ifdef MAG
    if (sensors(SENSOR_MAG))
        compassInit();
#endif

    imuInit();

    mspInit(&masterConfig.serialConfig);

#ifdef USE_CLI
    cliInit(&masterConfig.serialConfig);
#endif

    failsafeInit(&masterConfig.rxConfig, masterConfig.flight3DConfig.deadband3d_throttle);

    rxInit(&masterConfig.rxConfig, currentProfile->modeActivationConditions);

#ifdef GPS
    if (feature(FEATURE_GPS)) {
        gpsInit(
            &masterConfig.serialConfig,
            &masterConfig.gpsConfig
        );
    }
#endif

#ifdef NAV
        navigationInit(
            &masterConfig.navConfig,
            &currentProfile->pidProfile,
            &currentProfile->rcControlsConfig,
            &masterConfig.rxConfig,
            &masterConfig.flight3DConfig,
            &masterConfig.escAndServoConfig
        );
#endif

#ifdef LED_STRIP
    ledStripInit(masterConfig.ledConfigs, masterConfig.colors, masterConfig.modeColors, &masterConfig.specialColors);

    if (feature(FEATURE_LED_STRIP)) {
        ledStripEnable();
    }
#endif

#ifdef TELEMETRY
    if (feature(FEATURE_TELEMETRY)) {
        telemetryInit();
    }
#endif

#ifdef USE_FLASHFS
#ifdef NAZE
    if (hardwareRevision == NAZE32_REV5) {
        m25p16_init();
    }
#elif defined(USE_FLASH_M25P16)
    m25p16_init();
#endif

    flashfsInit();
#endif

#ifdef USE_SDCARD
    bool sdcardUseDMA = false;

    sdcardInsertionDetectInit();

#ifdef SDCARD_DMA_CHANNEL_TX

#if defined(LED_STRIP) && defined(WS2811_DMA_CHANNEL)
    // Ensure the SPI Tx DMA doesn't overlap with the led strip
    sdcardUseDMA = !feature(FEATURE_LED_STRIP) || SDCARD_DMA_CHANNEL_TX != WS2811_DMA_CHANNEL;
#else
    sdcardUseDMA = true;
#endif

#endif

    sdcard_init(sdcardUseDMA);

    afatfs_init();
#endif

#ifdef BLACKBOX
    initBlackbox();
#endif

    gyroSetCalibrationCycles(CALIBRATING_GYRO_CYCLES);
#ifdef BARO
    baroSetCalibrationCycles(CALIBRATING_BARO_CYCLES);
#endif

    // start all timers
    // TODO - not implemented yet
    timerStart();

    ENABLE_STATE(SMALL_ANGLE);
    DISABLE_ARMING_FLAG(PREVENT_ARMING);

#ifdef SOFTSERIAL_LOOPBACK
    // FIXME this is a hack, perhaps add a FUNCTION_LOOPBACK to support it properly
    loopbackPort = (serialPort_t*)&(softSerialPorts[0]);
    if (!loopbackPort->vTable) {
        loopbackPort = openSoftSerial(0, NULL, 19200, SERIAL_NOT_INVERTED);
    }
    serialPrint(loopbackPort, "LOOPBACK\r\n");
#endif

    // Now that everything has powered up the voltage and cell count be determined.

    if (feature(FEATURE_VBAT | FEATURE_CURRENT_METER))
        batteryInit(&masterConfig.batteryConfig);

#ifdef CJMCU
    LED2_ON;
#endif

    // Latch active features AGAIN since some may be modified by init().
    latchActiveFeatures();
    motorControlEnable = true;

    systemState |= SYSTEM_STATE_READY;
}

#ifdef SOFTSERIAL_LOOPBACK
void processLoopback(void) {
    if (loopbackPort) {
        uint8_t bytesWaiting;
        while ((bytesWaiting = serialRxBytesWaiting(loopbackPort))) {
            uint8_t b = serialRead(loopbackPort);
            serialWrite(loopbackPort, b);
        };
    }
}
#else
#define processLoopback()
#endif

int main(void)
{
    init();

    /* Setup scheduler */
    schedulerInit();

    rescheduleTask(TASK_GYROPID, targetLooptime);
    setTaskEnabled(TASK_GYROPID, true);

    setTaskEnabled(TASK_SERIAL, true);
#ifdef BEEPER
    setTaskEnabled(TASK_BEEPER, true);
#endif
    setTaskEnabled(TASK_BATTERY, feature(FEATURE_VBAT) || feature(FEATURE_CURRENT_METER));
    setTaskEnabled(TASK_RX, true);
#ifdef GPS
    setTaskEnabled(TASK_GPS, feature(FEATURE_GPS));
#endif
#ifdef MAG
    setTaskEnabled(TASK_COMPASS, sensors(SENSOR_MAG));
#if defined(MPU6500_SPI_INSTANCE) && defined(USE_MAG_AK8963)
    // fixme temporary solution for AK6983 via slave I2C on MPU9250
    rescheduleTask(TASK_COMPASS, 1000000 / 40);
#endif
#endif
#ifdef BARO
    setTaskEnabled(TASK_BARO, sensors(SENSOR_BARO));
#endif
#ifdef SONAR
    setTaskEnabled(TASK_SONAR, sensors(SENSOR_SONAR));
#endif
#ifdef DISPLAY
    setTaskEnabled(TASK_DISPLAY, feature(FEATURE_DISPLAY));
#endif
#ifdef TELEMETRY
    setTaskEnabled(TASK_TELEMETRY, feature(FEATURE_TELEMETRY));
#endif
#ifdef LED_STRIP
    setTaskEnabled(TASK_LEDSTRIP, feature(FEATURE_LED_STRIP));
#endif

    while (true) {
        scheduler();
        processLoopback();
    }
}
Esempio n. 16
0
int main(void)
{
    // Stack limit should be less than real stack size, so we
    // had chance to recover from limit hit.
    mp_stack_set_limit((char*)&_ram_end - (char*)&_heap_end - 1024);

    /* STM32F4xx HAL library initialization:
       - Configure the Flash prefetch, instruction and Data caches
       - Configure the Systick to generate an interrupt each 1 msec
       - Set NVIC Group Priority to 4
       - Global MSP (MCU Support Package) initialization
    */
    HAL_Init();

    // basic sub-system init
    pendsv_init();
    timer_tim3_init();
    led_init();

soft_reset:
    // check if user switch held to select the reset mode
    led_state(LED_RED, 1);
    led_state(LED_GREEN, 1);
    led_state(LED_BLUE, 1);

#if MICROPY_HW_ENABLE_RTC
    rtc_init();
#endif

    // GC init
    gc_init(&_heap_start, &_heap_end);

    // Micro Python init
    mp_init();
    mp_obj_list_init(mp_sys_path, 0);
    mp_obj_list_init(mp_sys_argv, 0);

    readline_init0();
    pin_init0();
    extint_init0();
    timer_init0();
    rng_init0();
    i2c_init0();
    spi_init0();
    uart_init0();
    pyb_usb_init0();

    usbdbg_init();

    if (sensor_init() != 0) {
        __fatal_error("Failed to init sensor");
    }

    /* Export functions to the global python namespace */
    mp_store_global(qstr_from_str("randint"),           (mp_obj_t)&py_randint_obj);
    mp_store_global(qstr_from_str("cpu_freq"),          (mp_obj_t)&py_cpu_freq_obj);
    mp_store_global(qstr_from_str("Image"),             (mp_obj_t)&py_image_load_image_obj);
    mp_store_global(qstr_from_str("HaarCascade"),       (mp_obj_t)&py_image_load_cascade_obj);
    mp_store_global(qstr_from_str("FreakDesc"),         (mp_obj_t)&py_image_load_descriptor_obj);
    mp_store_global(qstr_from_str("FreakDescSave"),     (mp_obj_t)&py_image_save_descriptor_obj);
    mp_store_global(qstr_from_str("LBPDesc"),           (mp_obj_t)&py_image_load_lbp_obj);
    mp_store_global(qstr_from_str("vcp_is_connected"),  (mp_obj_t)&py_vcp_is_connected_obj);

    if (sdcard_is_present()) {
        sdcard_init();
        FRESULT res = f_mount(&fatfs, "1:", 1);
        if (res != FR_OK) {
            __fatal_error("could not mount SD\n");
        }
        // Set CWD and USB medium to SD
        f_chdrive("1:");
        pyb_usb_storage_medium = PYB_USB_STORAGE_MEDIUM_SDCARD;
    } else {
        storage_init();
        // try to mount the flash
        FRESULT res = f_mount(&fatfs, "0:", 1);
        if (res == FR_NO_FILESYSTEM) {
            // create a fresh fs
            make_flash_fs();
        } else if (res != FR_OK) {
            __fatal_error("could not access LFS\n");
        }

        // Set CWD and USB medium to flash
        f_chdrive("0:");
        pyb_usb_storage_medium = PYB_USB_STORAGE_MEDIUM_FLASH;
    }

    // turn boot-up LEDs off
    led_state(LED_RED, 0);
    led_state(LED_GREEN, 0);
    led_state(LED_BLUE, 0);

    // init USB device to default setting if it was not already configured
    if (!(pyb_usb_flags & PYB_USB_FLAG_USB_MODE_CALLED)) {
        pyb_usb_dev_init(USBD_VID, USBD_PID_CDC_MSC, USBD_MODE_CDC_MSC, NULL);
    }

    // Run the main script from the current directory.
    FRESULT res = f_stat("main.py", NULL);
    if (res == FR_OK) {
        if (!pyexec_file("main.py")) {
            nlr_buf_t nlr;
            if (nlr_push(&nlr) == 0) {
                flash_error(3);
                nlr_pop();
            }
        }
    }

    // Enter REPL
    nlr_buf_t nlr;
    for (;;) {
        if (nlr_push(&nlr) == 0) {
            while (usbdbg_script_ready()) {
                nlr_buf_t nlr;
                vstr_t *script_buf = usbdbg_get_script();
                // clear script flag
                usbdbg_clr_script();

                // execute the script
                if (nlr_push(&nlr) == 0) {
                    pyexec_push_scope();

                    // parse and compile script
                    mp_lexer_t *lex = mp_lexer_new_from_str_len(MP_QSTR__lt_stdin_gt_,
                            vstr_str(script_buf), vstr_len(script_buf), 0);
                    mp_parse_node_t pn = mp_parse(lex, MP_PARSE_FILE_INPUT);
                    mp_obj_t script = mp_compile(pn, lex->source_name, MP_EMIT_OPT_NONE, false);

                    // execute the script
                    mp_call_function_0(script);
                    nlr_pop();
                } else {
                    mp_obj_print_exception(&mp_plat_print, (mp_obj_t)nlr.ret_val);
                }
                pyexec_pop_scope();
            }

            // clear script flag
            usbdbg_clr_script();

            // no script run REPL
            pyexec_friendly_repl();

            nlr_pop();
        }

    }

    printf("PYB: sync filesystems\n");
    storage_flush();

    printf("PYB: soft reboot\n");

    goto soft_reset;
}
Esempio n. 17
0
int main(void)
{
    FRESULT f_res;
    int sensor_init_ret;

    // Stack limit should be less than real stack size, so we
    // had chance to recover from limit hit.
    mp_stack_set_limit((char*)&_ram_end - (char*)&_heap_end - 1024);

    /* STM32F4xx HAL library initialization:
       - Configure the Flash prefetch, instruction and Data caches
       - Configure the Systick to generate an interrupt each 1 msec
       - Set NVIC Group Priority to 4
       - Global MSP (MCU Support Package) initialization
    */
    HAL_Init();

    // basic sub-system init
    pendsv_init();
    timer_tim3_init();
    led_init();

soft_reset:
    // check if user switch held to select the reset mode
    led_state(LED_RED, 1);
    led_state(LED_GREEN, 1);
    led_state(LED_BLUE, 1);

#if MICROPY_HW_ENABLE_RTC
    rtc_init();
#endif

    // GC init
    gc_init(&_heap_start, &_heap_end);

    // Micro Python init
    mp_init();
    mp_obj_list_init(mp_sys_path, 0);
    mp_obj_list_init(mp_sys_argv, 0);

    readline_init0();
    pin_init0();
    extint_init0();
    timer_init0();
    rng_init0();
    i2c_init0();
    spi_init0();
    uart_init0();
    pyb_usb_init0();
    usbdbg_init();

    sensor_init_ret = sensor_init();

    /* Export functions to the global python namespace */
    mp_store_global(qstr_from_str("randint"),           (mp_obj_t)&py_randint_obj);
    mp_store_global(qstr_from_str("cpu_freq"),          (mp_obj_t)&py_cpu_freq_obj);
    mp_store_global(qstr_from_str("vcp_is_connected"),  (mp_obj_t)&py_vcp_is_connected_obj);

    if (sdcard_is_present()) {
        sdcard_init();
        FRESULT res = f_mount(&fatfs, "1:", 1);
        if (res != FR_OK) {
            __fatal_error("could not mount SD\n");
        }
        // Set CWD and USB medium to SD
        f_chdrive("1:");
        pyb_usb_storage_medium = PYB_USB_STORAGE_MEDIUM_SDCARD;
    } else {
        storage_init();
        // try to mount the flash
        FRESULT res = f_mount(&fatfs, "0:", 1);
        if (res == FR_NO_FILESYSTEM) {
            // create a fresh fs
            make_flash_fs();
        } else if (res != FR_OK) {
            __fatal_error("could not access LFS\n");
        }

        // Set CWD and USB medium to flash
        f_chdrive("0:");
        pyb_usb_storage_medium = PYB_USB_STORAGE_MEDIUM_FLASH;
    }

    // turn boot-up LEDs off
    led_state(LED_RED, 0);
    led_state(LED_GREEN, 0);
    led_state(LED_BLUE, 0);

    // init USB device to default setting if it was not already configured
    if (!(pyb_usb_flags & PYB_USB_FLAG_USB_MODE_CALLED)) {
        pyb_usb_dev_init(USBD_VID, USBD_PID_CDC_MSC, USBD_MODE_CDC_MSC, NULL);
    }

    // check sensor init result
    if (sensor_init_ret != 0) {
        char buf[512];
        snprintf(buf, sizeof(buf), "Failed to init sensor, error:%d", sensor_init_ret);
        __fatal_error(buf);
    }

    // Run self tests the first time only
    f_res = f_stat("selftest.py", NULL);
    if (f_res == FR_OK) {
        nlr_buf_t nlr;
        if (nlr_push(&nlr) == 0) {
            // Parse, compile and execute the self-tests script.
            pyexec_file("selftest.py");
            nlr_pop();
        } else {
            // Get the exception message. TODO: might be a hack.
            mp_obj_str_t *str = mp_obj_exception_get_value((mp_obj_t)nlr.ret_val);
            // If any of the self-tests fail log the exception message
            // and loop forever. Note: IDE exceptions will not be caught.
            __fatal_error((const char*) str->data);
        }
        // Success: remove self tests script and flush cache
        f_unlink("selftest.py");
        storage_flush();
    }

    // Run the main script from the current directory.
    f_res = f_stat("main.py", NULL);
    if (f_res == FR_OK) {
        nlr_buf_t nlr;
        if (nlr_push(&nlr) == 0) {
            // Parse, compile and execute the main script.
            pyexec_file("main.py");
            nlr_pop();
        } else {
            mp_obj_print_exception(&mp_plat_print, (mp_obj_t)nlr.ret_val);
            if (nlr_push(&nlr) == 0) {
                flash_error(3);
                nlr_pop();
            }// if this gets interrupted again ignore it.
        }
    }

    // Enter REPL
    nlr_buf_t nlr;
    for (;;) {
        if (nlr_push(&nlr) == 0) {
            while (usbdbg_script_ready()) {
                nlr_buf_t nlr;
                vstr_t *script_buf = usbdbg_get_script();

                // clear debugging flags
                usbdbg_clear_flags();

                // re-init MP
                mp_uint_t atomic_state = MICROPY_BEGIN_ATOMIC_SECTION();
                mp_init();
                MICROPY_END_ATOMIC_SECTION(atomic_state);

                // execute the script
                if (nlr_push(&nlr) == 0) {
                    // parse, compile and execute script
                    pyexec_str(script_buf);
                    nlr_pop();
                } else {
                    mp_obj_print_exception(&mp_plat_print, (mp_obj_t)nlr.ret_val);
                }
            }

            // clear debugging flags
            usbdbg_clear_flags();

            // re-init MP
            mp_uint_t atomic_state = MICROPY_BEGIN_ATOMIC_SECTION();
            mp_init();
            MICROPY_END_ATOMIC_SECTION(atomic_state);

            // no script run REPL
            pyexec_friendly_repl();

            nlr_pop();
        }

    }

    printf("PYB: sync filesystems\n");
    storage_flush();

    printf("PYB: soft reboot\n");

    goto soft_reset;
}
Esempio n. 18
0
int main(void) {
  // copy vector table to SRAM1!
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wnonnull"
  memcpy((char *)0x20000000, (const char)0x00000000, 0x200);
#pragma GCC diagnostic pop
  // remap SRAM1 to 0x00000000
  SYSCFG->MEMRMP |= 0x03;

  halInit();
  chSysInit();

  sdcard_init();
  sysmon_init();

#if ENABLE_SERIAL_DEBUG
// SD2 for serial debug output
  palSetPadMode(GPIOA, 3, PAL_MODE_ALTERNATE(7) | PAL_MODE_INPUT); // RX
  palSetPadMode(GPIOA, 2, PAL_MODE_OUTPUT_PUSHPULL); // TX
  palSetPadMode(GPIOA, 2, PAL_MODE_ALTERNATE(7)); // TX
// 115200 baud
  static const SerialConfig sd2Cfg = {115200,
        0, 0, 0};
  sdStart(&SD2, &sd2Cfg);
  chprintf((BaseSequentialStream * )&SD2,"Hello world!\r\n");
#endif

  exception_init();

  InitPatch0();

  InitPConnection();

  InitPWM();

  // display SPI CS?
  palSetPadMode(GPIOC, 1, PAL_MODE_OUTPUT_PUSHPULL);
  palSetPad(GPIOC, 1);

  chThdSleepMilliseconds(10);

  palSetPadMode(SW2_PORT, SW2_PIN, PAL_MODE_INPUT_PULLDOWN);

  axoloti_board_init();
  codec_init();
  if (!palReadPad(SW2_PORT, SW2_PIN)) { // button S2 not pressed
//    watchdog_init();
    chThdSleepMilliseconds(1);
  }
  start_dsp_thread();
  adc_init();
  axoloti_math_init();
  midi_init();

#if ((BOARD_AXOLOTI_V03)||(BOARD_AXOLOTI_V05))
  axoloti_control_init();
#endif
  ui_init();
  StartLoadPatchTread();

#if (BOARD_AXOLOTI_V05)
  configSDRAM();
  //memTest();
#endif

#ifdef ENABLE_USB_HOST
  MY_USBH_Init();
#endif

  if (!exception_check()) {
    // only try booting a patch when no exception is to be reported

#if ((BOARD_AXOLOTI_V03)||(BOARD_AXOLOTI_V05))
    sdcard_attemptMountIfUnmounted();
    if (fs_ready && !palReadPad(SW2_PORT, SW2_PIN)){
      // button S2 not pressed
      FRESULT res;
//      res = f_stat("/start.bin", NULL);
//      if (res == FR_OK) {
        LoadPatch("/start.bin");
//      }
    }
#endif

    // if no patch booting or running yet
    // try loading from flash
    if (patchStatus) {
      // patch in flash sector 11
      memcpy((uint8_t *)PATCHMAINLOC, (uint8_t *)PATCHFLASHLOC, PATCHFLASHSIZE);
      if ((*(uint32_t *)PATCHMAINLOC != 0xFFFFFFFF)
          && (*(uint32_t *)PATCHMAINLOC != 0)) {
        if (!palReadPad(SW2_PORT, SW2_PIN)) // button S2 not pressed
          StartPatch();
      }
    }
  }

  while (1) {
    chThdSleepMilliseconds(1000);
  }
}
Esempio n. 19
0
int main(void) {
    // TODO disable JTAG

    // update the SystemCoreClock variable
    SystemCoreClockUpdate();

    // set interrupt priority config to use all 4 bits for pre-empting
    NVIC_PriorityGroupConfig(NVIC_PriorityGroup_4);

    // enable the CCM RAM and the GPIO's
    RCC->AHB1ENR |= RCC_AHB1ENR_CCMDATARAMEN | RCC_AHB1ENR_GPIOAEN | RCC_AHB1ENR_GPIOBEN | RCC_AHB1ENR_GPIOCEN | RCC_AHB1ENR_GPIODEN;

#if MICROPY_HW_HAS_SDCARD
    {
        // configure SDIO pins to be high to start with (apparently makes it more robust)
        // FIXME this is not making them high, it just makes them outputs...
        GPIO_InitTypeDef GPIO_InitStructure;
        GPIO_InitStructure.GPIO_Pin = GPIO_Pin_8 | GPIO_Pin_9 | GPIO_Pin_10 | GPIO_Pin_11 | GPIO_Pin_12;
        GPIO_InitStructure.GPIO_Speed = GPIO_Speed_25MHz;
        GPIO_InitStructure.GPIO_Mode = GPIO_Mode_OUT;
        GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
        GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL;
        GPIO_Init(GPIOC, &GPIO_InitStructure);

        // Configure PD.02 CMD line
        GPIO_InitStructure.GPIO_Pin = GPIO_Pin_2;
        GPIO_Init(GPIOD, &GPIO_InitStructure);
    }
#endif
#if defined(NETDUINO_PLUS_2)
    {
        GPIO_InitTypeDef GPIO_InitStructure;
        GPIO_InitStructure.GPIO_Speed = GPIO_Speed_25MHz;
        GPIO_InitStructure.GPIO_Mode = GPIO_Mode_OUT;
        GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
        GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL;

#if MICROPY_HW_HAS_SDCARD
        // Turn on the power enable for the sdcard (PB1)
        GPIO_InitStructure.GPIO_Pin = GPIO_Pin_1;
        GPIO_Init(GPIOB, &GPIO_InitStructure);
        GPIO_WriteBit(GPIOB, GPIO_Pin_1, Bit_SET);
#endif

        // Turn on the power for the 5V on the expansion header (PB2)
        GPIO_InitStructure.GPIO_Pin = GPIO_Pin_2;
        GPIO_Init(GPIOB, &GPIO_InitStructure);
        GPIO_WriteBit(GPIOB, GPIO_Pin_2, Bit_SET);
    }
#endif

    // basic sub-system init
    sys_tick_init();
    pendsv_init();
    led_init();

#if MICROPY_HW_ENABLE_RTC
    rtc_init();
#endif

    // turn on LED to indicate bootup
    led_state(PYB_LED_G1, 1);

    // more sub-system init
#if MICROPY_HW_HAS_SDCARD
    sdcard_init();
#endif
    storage_init();

    // uncomment these 2 lines if you want REPL on USART_6 (or another usart) as well as on USB VCP
    //pyb_usart_global_debug = PYB_USART_YA;
    //usart_init(pyb_usart_global_debug, 115200);

    int first_soft_reset = true;

soft_reset:

    // GC init
    gc_init(&_heap_start, &_heap_end);

    // Micro Python init
    qstr_init();
    mp_init();
    mp_obj_list_init(mp_sys_path, 0);
    mp_obj_list_append(mp_sys_path, MP_OBJ_NEW_QSTR(MP_QSTR_0_colon__slash_));
    mp_obj_list_append(mp_sys_path, MP_OBJ_NEW_QSTR(MP_QSTR_0_colon__slash_lib));
    mp_obj_list_init(mp_sys_argv, 0);

    exti_init();

#if MICROPY_HW_HAS_SWITCH
    switch_init();
#endif

#if MICROPY_HW_HAS_LCD
    // LCD init (just creates class, init hardware by calling LCD())
    lcd_init();
#endif

#if MICROPY_HW_ENABLE_SERVO
    // servo
    servo_init();
#endif

#if MICROPY_HW_ENABLE_TIMER
    // timer
    timer_init();
#endif

#if MICROPY_HW_ENABLE_RNG
    // RNG
    RCC_AHB2PeriphClockCmd(RCC_AHB2Periph_RNG, ENABLE);
    RNG_Cmd(ENABLE);
#endif

    pin_map_init();

    // add some functions to the builtin Python namespace
    mp_store_name(MP_QSTR_help, mp_make_function_n(0, pyb_help));
    mp_store_name(MP_QSTR_open, mp_make_function_n(2, pyb_io_open));

    // load the pyb module
    mp_module_register(MP_QSTR_pyb, (mp_obj_t)&pyb_module);

    // check if user switch held (initiates reset of filesystem)
    bool reset_filesystem = false;
#if MICROPY_HW_HAS_SWITCH
    if (switch_get()) {
        reset_filesystem = true;
        for (int i = 0; i < 50; i++) {
            if (!switch_get()) {
                reset_filesystem = false;
                break;
            }
            sys_tick_delay_ms(10);
        }
    }
#endif
    // local filesystem init
    {
        // try to mount the flash
        FRESULT res = f_mount(&fatfs0, "0:", 1);
        if (!reset_filesystem && res == FR_OK) {
            // mount sucessful
        } else if (reset_filesystem || res == FR_NO_FILESYSTEM) {
            // no filesystem, so create a fresh one
            // TODO doesn't seem to work correctly when reset_filesystem is true...

            // LED on to indicate creation of LFS
            led_state(PYB_LED_R2, 1);
            uint32_t stc = sys_tick_counter;

            res = f_mkfs("0:", 0, 0);
            if (res == FR_OK) {
                // success creating fresh LFS
            } else {
                __fatal_error("could not create LFS");
            }

            // create src directory
            res = f_mkdir("0:/src");
            // ignore result from mkdir

            // create empty main.py
            FIL fp;
            f_open(&fp, "0:/src/main.py", FA_WRITE | FA_CREATE_ALWAYS);
            UINT n;
            f_write(&fp, fresh_main_py, sizeof(fresh_main_py) - 1 /* don't count null terminator */, &n);
            // TODO check we could write n bytes
            f_close(&fp);

            // keep LED on for at least 200ms
            sys_tick_wait_at_least(stc, 200);
            led_state(PYB_LED_R2, 0);
        } else {
            __fatal_error("could not access LFS");
        }
    }

    // make sure we have a /boot.py
    {
        FILINFO fno;
        FRESULT res = f_stat("0:/boot.py", &fno);
        if (res == FR_OK) {
            if (fno.fattrib & AM_DIR) {
                // exists as a directory
                // TODO handle this case
                // see http://elm-chan.org/fsw/ff/img/app2.c for a "rm -rf" implementation
            } else {
                // exists as a file, good!
            }
        } else {
            // doesn't exist, create fresh file

            // LED on to indicate creation of boot.py
            led_state(PYB_LED_R2, 1);
            uint32_t stc = sys_tick_counter;

            FIL fp;
            f_open(&fp, "0:/boot.py", FA_WRITE | FA_CREATE_ALWAYS);
            UINT n;
            f_write(&fp, fresh_boot_py, sizeof(fresh_boot_py) - 1 /* don't count null terminator */, &n);
            // TODO check we could write n bytes
            f_close(&fp);

            // keep LED on for at least 200ms
            sys_tick_wait_at_least(stc, 200);
            led_state(PYB_LED_R2, 0);
        }
    }

    // run /boot.py
    if (!pyexec_file("0:/boot.py")) {
        flash_error(4);
    }

    if (first_soft_reset) {
#if MICROPY_HW_HAS_MMA7660
        // MMA accel: init and reset address to zero
        accel_init();
#endif
    }

    // turn boot-up LED off
    led_state(PYB_LED_G1, 0);

#if MICROPY_HW_HAS_SDCARD
    // if an SD card is present then mount it on 1:/
    if (sdcard_is_present()) {
        FRESULT res = f_mount(&fatfs1, "1:", 1);
        if (res != FR_OK) {
            printf("[SD] could not mount SD card\n");
        } else {
            if (first_soft_reset) {
                // use SD card as medium for the USB MSD
                usbd_storage_select_medium(USBD_STORAGE_MEDIUM_SDCARD);
            }
        }
    }
#endif

#ifdef USE_HOST_MODE
    // USB host
    pyb_usb_host_init();
#elif defined(USE_DEVICE_MODE)
    // USB device
    pyb_usb_dev_init(PYB_USB_DEV_VCP_MSC);
#endif

    // run main script
    {
        vstr_t *vstr = vstr_new();
        vstr_add_str(vstr, "0:/");
        if (pyb_config_source_dir == MP_OBJ_NULL) {
            vstr_add_str(vstr, "src");
        } else {
            vstr_add_str(vstr, mp_obj_str_get_str(pyb_config_source_dir));
        }
        vstr_add_char(vstr, '/');
        if (pyb_config_main == MP_OBJ_NULL) {
            vstr_add_str(vstr, "main.py");
        } else {
            vstr_add_str(vstr, mp_obj_str_get_str(pyb_config_main));
        }
        if (!pyexec_file(vstr_str(vstr))) {
            flash_error(3);
        }
        vstr_free(vstr);
    }


#if MICROPY_HW_HAS_MMA7660
    // HID example
    if (0) {
        uint8_t data[4];
        data[0] = 0;
        data[1] = 1;
        data[2] = -2;
        data[3] = 0;
        for (;;) {
        #if MICROPY_HW_HAS_SWITCH
            if (switch_get()) {
                data[0] = 0x01; // 0x04 is middle, 0x02 is right
            } else {
                data[0] = 0x00;
            }
        #else
            data[0] = 0x00;
        #endif
            accel_start(0x4c /* ACCEL_ADDR */, 1);
            accel_send_byte(0);
            accel_restart(0x4c /* ACCEL_ADDR */, 0);
            for (int i = 0; i <= 1; i++) {
                int v = accel_read_ack() & 0x3f;
                if (v & 0x20) {
                    v |= ~0x1f;
                }
                data[1 + i] = v;
            }
            accel_read_nack();
            usb_hid_send_report(data);
            sys_tick_delay_ms(15);
        }
    }
#endif

#if MICROPY_HW_HAS_WLAN
    // wifi
    pyb_wlan_init();
    pyb_wlan_start();
#endif

    pyexec_repl();

    printf("PYB: sync filesystems\n");
    storage_flush();

    printf("PYB: soft reboot\n");

    first_soft_reset = false;
    goto soft_reset;
}
Esempio n. 20
0
/* Main function
 *
 * - Initialise device and any global variables
 * - Enable Interrupts
 * - Start endless loop
 */
void main(void) {

	unsigned long ulRetcode;

	// Initialise the device clock to 80MHz
	ROM_SysCtlClockSet(SYSCTL_SYSDIV_2_5 | SYSCTL_USE_PLL | SYSCTL_XTAL_16MHZ | SYSCTL_OSC_MAIN );

	// Enable SysTick for FatFS at 10ms intervals
	ROM_SysTickPeriodSet(ROM_SysCtlClockGet() / 100);
	ROM_SysTickEnable();
	ROM_SysTickIntEnable();

    //
    // Configure and enable uDMA
    //
    ROM_SysCtlPeripheralEnable(SYSCTL_PERIPH_UDMA);
    SysCtlDelay(10);
    ROM_uDMAControlBaseSet(&sDMAControlTable[0]);
    ROM_uDMAEnable();

    //
	// Enable the USB controller.
	//
	ROM_SysCtlPeripheralEnable(SYSCTL_PERIPH_USB0);

	//
	// Set the USB pins to be controlled by the USB controller.

	ROM_SysCtlPeripheralEnable(SYSCTL_PERIPH_GPIOD);

	ROM_GPIOPinTypeUSBAnalog(GPIO_PORTD_BASE, GPIO_PIN_4 | GPIO_PIN_5);

	// Initialize the idle timeout and reset all flags.
	//
	g_ulIdleTimeout = 0;
	g_ulFlags = 0;

	//
	// Initialize the state to idle.
	//
	g_eMSCState = MSC_DEV_DISCONNECTED;

	//
	// Set the USB stack mode to Device mode with VBUS monitoring.
	//
	USBStackModeSet(0, USB_MODE_DEVICE, 0);

	//
	// Pass our device information to the USB library and place the device
	// on the bus.
	//
	USBDMSCInit(0, (tUSBDMSCDevice *)&g_sMSCDevice);

	//
	// Determine whether or not an SDCard is installed.  If not, print a
	// warning and have the user install one and restart.
	//
	ulRetcode = disk_initialize(0);

	// Enable Global interrupts
	ROM_IntMasterEnable();

	// Enable floating point arithmetic unit, but disable stacking
	ROM_FPUEnable();
	ROM_FPUStackingDisable();

	// Initialise GPIO - All ports enabled
	ROM_SysCtlPeripheralEnable(SYSCTL_PERIPH_GPIOA);
	ROM_SysCtlPeripheralEnable(SYSCTL_PERIPH_GPIOB);
	ROM_SysCtlPeripheralEnable(SYSCTL_PERIPH_GPIOC);
	ROM_SysCtlPeripheralEnable(SYSCTL_PERIPH_GPIOD);
	ROM_SysCtlPeripheralEnable(SYSCTL_PERIPH_GPIOE);
	ROM_SysCtlPeripheralEnable(SYSCTL_PERIPH_GPIOF);

	// Unlock NMI pins for GPIO usage (PD7 + PF0)
	HWREG(GPIO_PORTD_BASE + 0x520) = 0x4C4F434B;
	HWREG(GPIO_PORTF_BASE + 0x520) = 0x4C4F434B;
	HWREG(GPIO_PORTD_BASE + 0x524) = 0x000000FF;
	HWREG(GPIO_PORTF_BASE + 0x524) = 0x000000FF;
	HWREG(GPIO_PORTD_BASE + 0x520) = 0x00000000;
	HWREG(GPIO_PORTF_BASE + 0x520) = 0x00000000;

	// Initialise GPIO Expander (probably not happening)

	// Initialise Buttons
	btn_init();

	// Initialise FX
	fx_init();

	// Initialise ADC
	adc_init();

	// Initialise DAC
	dac_init();

	// Initialise SD Card and Mass storage
	sdcard_init();

	// Initialise UART for debugging
	uart_init();

	// Initialise Timers
	timers_init();




	for(;;) {
		// Endless Loop
		ADCProcessorTrigger(ADC0_BASE, 0);
		SysCtlDelay(SysCtlClockGet() / 120); // 25ms
	}
}
Esempio n. 21
0
void init(void)
{
#ifdef USE_HAL_DRIVER
    HAL_Init();
#endif

    printfSupportInit();

    initEEPROM();

    ensureEEPROMContainsValidData();
    readEEPROM();

    systemState |= SYSTEM_STATE_CONFIG_LOADED;

    systemInit();

    //i2cSetOverclock(masterConfig.i2c_overclock);

    // initialize IO (needed for all IO operations)
    IOInitGlobal();

    debugMode = masterConfig.debug_mode;

#ifdef USE_HARDWARE_REVISION_DETECTION
    detectHardwareRevision();
#endif

    // Latch active features to be used for feature() in the remainder of init().
    latchActiveFeatures();

#ifdef ALIENFLIGHTF3
    ledInit(hardwareRevision == AFF3_REV_1 ? false : true);
#else
    ledInit(false);
#endif
    LED2_ON;

#ifdef USE_EXTI
    EXTIInit();
#endif

#if defined(BUTTONS)
    gpio_config_t buttonAGpioConfig = {
        BUTTON_A_PIN,
        Mode_IPU,
        Speed_2MHz
    };
    gpioInit(BUTTON_A_PORT, &buttonAGpioConfig);

    gpio_config_t buttonBGpioConfig = {
        BUTTON_B_PIN,
        Mode_IPU,
        Speed_2MHz
    };
    gpioInit(BUTTON_B_PORT, &buttonBGpioConfig);

    // Check status of bind plug and exit if not active
    delayMicroseconds(10);  // allow GPIO configuration to settle

    if (!isMPUSoftReset()) {
        uint8_t secondsRemaining = 5;
        bool bothButtonsHeld;
        do {
            bothButtonsHeld = !digitalIn(BUTTON_A_PORT, BUTTON_A_PIN) && !digitalIn(BUTTON_B_PORT, BUTTON_B_PIN);
            if (bothButtonsHeld) {
                if (--secondsRemaining == 0) {
                    resetEEPROM();
                    systemReset();
                }
                delay(1000);
                LED0_TOGGLE;
            }
        } while (bothButtonsHeld);
    }
#endif

#ifdef SPEKTRUM_BIND
    if (feature(FEATURE_RX_SERIAL)) {
        switch (masterConfig.rxConfig.serialrx_provider) {
            case SERIALRX_SPEKTRUM1024:
            case SERIALRX_SPEKTRUM2048:
                // Spektrum satellite binding if enabled on startup.
                // Must be called before that 100ms sleep so that we don't lose satellite's binding window after startup.
                // The rest of Spektrum initialization will happen later - via spektrumInit()
                spektrumBind(&masterConfig.rxConfig);
                break;
        }
    }
#endif

    delay(100);

    timerInit();  // timer must be initialized before any channel is allocated

#if !defined(USE_HAL_DRIVER)
    dmaInit();
#endif

#if defined(AVOID_UART1_FOR_PWM_PPM)
    serialInit(&masterConfig.serialConfig, feature(FEATURE_SOFTSERIAL),
            feature(FEATURE_RX_PPM) || feature(FEATURE_RX_PARALLEL_PWM) ? SERIAL_PORT_USART1 : SERIAL_PORT_NONE);
#elif defined(AVOID_UART2_FOR_PWM_PPM)
    serialInit(&masterConfig.serialConfig, feature(FEATURE_SOFTSERIAL),
            feature(FEATURE_RX_PPM) || feature(FEATURE_RX_PARALLEL_PWM) ? SERIAL_PORT_USART2 : SERIAL_PORT_NONE);
#elif defined(AVOID_UART3_FOR_PWM_PPM)
    serialInit(&masterConfig.serialConfig, feature(FEATURE_SOFTSERIAL),
            feature(FEATURE_RX_PPM) || feature(FEATURE_RX_PARALLEL_PWM) ? SERIAL_PORT_USART3 : SERIAL_PORT_NONE);
#else
    serialInit(&masterConfig.serialConfig, feature(FEATURE_SOFTSERIAL), SERIAL_PORT_NONE);
#endif

    mixerInit(masterConfig.mixerMode, masterConfig.customMotorMixer);
#ifdef USE_SERVOS
    servoMixerInit(masterConfig.customServoMixer);
#endif

    uint16_t idlePulse = masterConfig.motorConfig.mincommand;
    if (feature(FEATURE_3D)) {
        idlePulse = masterConfig.flight3DConfig.neutral3d;
    }

    if (masterConfig.motorConfig.motorPwmProtocol == PWM_TYPE_BRUSHED) {
        featureClear(FEATURE_3D);
        idlePulse = 0; // brushed motors
    }

#ifdef USE_QUAD_MIXER_ONLY
    motorInit(&masterConfig.motorConfig, idlePulse, QUAD_MOTOR_COUNT);
#else
    motorInit(&masterConfig.motorConfig, idlePulse, mixers[masterConfig.mixerMode].motorCount);
#endif

#ifdef USE_SERVOS
    if (isMixerUsingServos()) {
        //pwm_params.useChannelForwarding = feature(FEATURE_CHANNEL_FORWARDING);
        servoInit(&masterConfig.servoConfig);
    }
#endif

#ifndef SKIP_RX_PWM_PPM
    if (feature(FEATURE_RX_PPM)) {
        ppmRxInit(&masterConfig.ppmConfig, masterConfig.motorConfig.motorPwmProtocol);
    } else if (feature(FEATURE_RX_PARALLEL_PWM)) {
        pwmRxInit(&masterConfig.pwmConfig);        
    }
    pwmRxSetInputFilteringMode(masterConfig.inputFilteringMode);
#endif

    mixerConfigureOutput();
#ifdef USE_SERVOS
    servoConfigureOutput();
#endif
    systemState |= SYSTEM_STATE_MOTORS_READY;

#ifdef BEEPER
    beeperInit(&masterConfig.beeperConfig);
#endif
/* temp until PGs are implemented. */
#ifdef INVERTER
    initInverter();
#endif

#ifdef USE_BST
    bstInit(BST_DEVICE);
#endif

#ifdef USE_SPI
#ifdef USE_SPI_DEVICE_1
    spiInit(SPIDEV_1);
#endif
#ifdef USE_SPI_DEVICE_2
    spiInit(SPIDEV_2);
#endif
#ifdef USE_SPI_DEVICE_3
#ifdef ALIENFLIGHTF3
    if (hardwareRevision == AFF3_REV_2) {
        spiInit(SPIDEV_3);
    }
#else
    spiInit(SPIDEV_3);
#endif
#endif
#ifdef USE_SPI_DEVICE_4
    spiInit(SPIDEV_4);
#endif
#endif

#ifdef VTX
    vtxInit();
#endif

#ifdef USE_HARDWARE_REVISION_DETECTION
    updateHardwareRevision();
#endif

#if defined(NAZE)
    if (hardwareRevision == NAZE32_SP) {
        serialRemovePort(SERIAL_PORT_SOFTSERIAL2);
    } else  {
        serialRemovePort(SERIAL_PORT_USART3);
    }
#endif

#if defined(SPRACINGF3) && defined(SONAR) && defined(USE_SOFTSERIAL2)
    if (feature(FEATURE_SONAR) && feature(FEATURE_SOFTSERIAL)) {
        serialRemovePort(SERIAL_PORT_SOFTSERIAL2);
    }
#endif

#if defined(SPRACINGF3MINI) || defined(OMNIBUS) || defined(X_RACERSPI)
#if defined(SONAR) && defined(USE_SOFTSERIAL1)
    if (feature(FEATURE_SONAR) && feature(FEATURE_SOFTSERIAL)) {
        serialRemovePort(SERIAL_PORT_SOFTSERIAL1);
    }
#endif
#endif

#ifdef USE_I2C
#if defined(NAZE)
    if (hardwareRevision != NAZE32_SP) {
        i2cInit(I2C_DEVICE);
    } else {
        if (!doesConfigurationUsePort(SERIAL_PORT_USART3)) {
            i2cInit(I2C_DEVICE);
        }
    }
#elif defined(CC3D)
    if (!doesConfigurationUsePort(SERIAL_PORT_USART3)) {
        i2cInit(I2C_DEVICE);
    }
#else
    i2cInit(I2C_DEVICE);
#endif
#endif

#ifdef USE_ADC
    drv_adc_config_t adc_params;

    adc_params.enableVBat = feature(FEATURE_VBAT);
    adc_params.enableRSSI = feature(FEATURE_RSSI_ADC);
    adc_params.enableCurrentMeter = feature(FEATURE_CURRENT_METER);
    adc_params.enableExternal1 = false;
#ifdef OLIMEXINO
    adc_params.enableExternal1 = true;
#endif
#ifdef NAZE
    // optional ADC5 input on rev.5 hardware
    adc_params.enableExternal1 = (hardwareRevision >= NAZE32_REV5);
#endif

    adcInit(&adc_params);
#endif


    initBoardAlignment(&masterConfig.boardAlignment);

#ifdef DISPLAY
    if (feature(FEATURE_DISPLAY)) {
        displayInit(&masterConfig.rxConfig);
    }
#endif

#ifdef USE_RTC6705
    if (feature(FEATURE_VTX)) {
        rtc6705_soft_spi_init();
        current_vtx_channel = masterConfig.vtx_channel;
        rtc6705_soft_spi_set_channel(vtx_freq[current_vtx_channel]);
        rtc6705_soft_spi_set_rf_power(masterConfig.vtx_power);
    }
#endif

#ifdef OSD
    if (feature(FEATURE_OSD)) {
        osdInit();
    }
#endif

    if (!sensorsAutodetect(&masterConfig.sensorAlignmentConfig,
            masterConfig.acc_hardware,
            masterConfig.mag_hardware,
            masterConfig.baro_hardware,
            masterConfig.mag_declination,
            masterConfig.gyro_lpf,
            masterConfig.gyro_sync_denom)) {
        // if gyro was not detected due to whatever reason, we give up now.
        failureMode(FAILURE_MISSING_ACC);
    }

    systemState |= SYSTEM_STATE_SENSORS_READY;

    LED1_ON;
    LED0_OFF;
    LED2_OFF;

    for (int i = 0; i < 10; i++) {
        LED1_TOGGLE;
        LED0_TOGGLE;
        delay(25);
        if (!(getBeeperOffMask() & (1 << (BEEPER_SYSTEM_INIT - 1)))) BEEP_ON;
        delay(25);
        BEEP_OFF;
    }
    LED0_OFF;
    LED1_OFF;

#ifdef MAG
    if (sensors(SENSOR_MAG))
        compassInit();
#endif

    imuInit();

    mspFcInit();
    mspSerialInit();

#ifdef USE_CLI
    cliInit(&masterConfig.serialConfig);
#endif

    failsafeInit(&masterConfig.rxConfig, masterConfig.flight3DConfig.deadband3d_throttle);

    rxInit(&masterConfig.rxConfig, masterConfig.modeActivationConditions);

#ifdef GPS
    if (feature(FEATURE_GPS)) {
        gpsInit(
            &masterConfig.serialConfig,
            &masterConfig.gpsConfig
        );
        navigationInit(
            &masterConfig.gpsProfile,
            &currentProfile->pidProfile
        );
    }
#endif

#ifdef SONAR
    if (feature(FEATURE_SONAR)) {
        sonarInit(&masterConfig.sonarConfig);
    }
#endif

#ifdef LED_STRIP
    ledStripInit(masterConfig.ledConfigs, masterConfig.colors, masterConfig.modeColors, &masterConfig.specialColors);

    if (feature(FEATURE_LED_STRIP)) {
        ledStripEnable();
    }
#endif

#ifdef TELEMETRY
    if (feature(FEATURE_TELEMETRY)) {
        telemetryInit();
    }
#endif

#ifdef USB_CABLE_DETECTION
    usbCableDetectInit();
#endif

#ifdef TRANSPONDER
    if (feature(FEATURE_TRANSPONDER)) {
        transponderInit(masterConfig.transponderData);
        transponderEnable();
        transponderStartRepeating();
        systemState |= SYSTEM_STATE_TRANSPONDER_ENABLED;
    }
#endif

#ifdef USE_FLASHFS
#ifdef NAZE
    if (hardwareRevision == NAZE32_REV5) {
        m25p16_init(IO_TAG_NONE);
    }
#elif defined(USE_FLASH_M25P16)
    m25p16_init(IO_TAG_NONE);
#endif

    flashfsInit();
#endif

#ifdef USE_SDCARD
    bool sdcardUseDMA = false;

    sdcardInsertionDetectInit();

#ifdef SDCARD_DMA_CHANNEL_TX

#if defined(LED_STRIP) && defined(WS2811_DMA_CHANNEL)
    // Ensure the SPI Tx DMA doesn't overlap with the led strip
#if defined(STM32F4) || defined(STM32F7)
    sdcardUseDMA = !feature(FEATURE_LED_STRIP) || SDCARD_DMA_CHANNEL_TX != WS2811_DMA_STREAM;
#else
    sdcardUseDMA = !feature(FEATURE_LED_STRIP) || SDCARD_DMA_CHANNEL_TX != WS2811_DMA_CHANNEL;
#endif
#else
    sdcardUseDMA = true;
#endif

#endif

    sdcard_init(sdcardUseDMA);

    afatfs_init();
#endif

    if (masterConfig.gyro_lpf > 0 && masterConfig.gyro_lpf < 7) {
        masterConfig.pid_process_denom = 1; // When gyro set to 1khz always set pid speed 1:1 to sampling speed
        masterConfig.gyro_sync_denom = 1;
    }

    setTargetPidLooptime((gyro.targetLooptime + LOOPTIME_SUSPEND_TIME) * masterConfig.pid_process_denom); // Initialize pid looptime

#ifdef BLACKBOX
    initBlackbox();
#endif

    if (masterConfig.mixerMode == MIXER_GIMBAL) {
        accSetCalibrationCycles(CALIBRATING_ACC_CYCLES);
    }
    gyroSetCalibrationCycles();
#ifdef BARO
    baroSetCalibrationCycles(CALIBRATING_BARO_CYCLES);
#endif

    // start all timers
    // TODO - not implemented yet
    timerStart();

    ENABLE_STATE(SMALL_ANGLE);
    DISABLE_ARMING_FLAG(PREVENT_ARMING);

#ifdef SOFTSERIAL_LOOPBACK
    // FIXME this is a hack, perhaps add a FUNCTION_LOOPBACK to support it properly
    loopbackPort = (serialPort_t*)&(softSerialPorts[0]);
    if (!loopbackPort->vTable) {
        loopbackPort = openSoftSerial(0, NULL, 19200, SERIAL_NOT_INVERTED);
    }
    serialPrint(loopbackPort, "LOOPBACK\r\n");
#endif

    // Now that everything has powered up the voltage and cell count be determined.

    if (feature(FEATURE_VBAT | FEATURE_CURRENT_METER))
        batteryInit(&masterConfig.batteryConfig);

#ifdef DISPLAY
    if (feature(FEATURE_DISPLAY)) {
#ifdef USE_OLED_GPS_DEBUG_PAGE_ONLY
        displayShowFixedPage(PAGE_GPS);
#else
        displayResetPageCycling();
        displayEnablePageCycling();
#endif
    }
#endif

#ifdef CJMCU
    LED2_ON;
#endif

    // Latch active features AGAIN since some may be modified by init().
    latchActiveFeatures();
    motorControlEnable = true;

    fcTasksInit();
    systemState |= SYSTEM_STATE_READY;
}
Esempio n. 22
0
DSTATUS disk_initialize (
	BYTE drv		/* Physical drive nmuber (0) */
)
{
//	BYTE n, cmd, ty, ocr[4];
  UINT cmd, n;
  DWORD resp[4];
  BYTE ty;
  SDC_PRMS_T params;

  if (!sdcard_init(&params)) {
    return STA_NOINIT;
  }


	if (drv) return STA_NOINIT;			/* Supports only single drive */
	if (Stat & STA_NODISK) return Stat;	/* No card in the socket */

	power_on();							/* Force socket power on */
	for (Timer1 = 2; Timer1; );

  send_cmd(CMD0, 0, 0, NULL);       /* Enter idle state */
  CardRCA = 0;

  Timer1 = 10;
  while(Timer1);

  /*---- Card is 'idle' state ----*/

  Timer1 = 100;            /* Initialization timeout of 1000 msec */
  if (send_cmd(CMD8, 0x1AA, 1, resp)    /* SDC Ver2 */
    && (resp[0] & 0xFFF) == 0x1AA) {    /* The card can work at vdd range of 2.7-3.6V */
    do {                  /* Wait while card is busy state (use ACMD41 with HCS bit) */
      /* This loop will take a time. Insert wai_tsk(1) here for multitask envilonment. */
      if (!Timer1) goto di_fail;
    } while (!send_cmd(ACMD41, 0x40FF8000, 1, resp) || !(resp[0] & 0x80000000));
    ty = (resp[0] & 0x40000000) ? CT_SD2|CT_BLOCK : CT_SD2;  /* Check CCS bit in the OCR */
  }
  else {                  /* SDC Ver1 or MMC */
    if (send_cmd(ACMD41, /*0x00FF8000*/0, 1, resp)) {
      ty = CT_SD1; cmd = ACMD41;      /* ACMD41 is accepted -> SDC Ver1 */
    } else {
      ty = CT_MMC; cmd = CMD1;      /* ACMD41 is rejected -> MMC */
    }

    do {                  /* Wait while card is busy state (use ACMD41 or CMD1) */
      /* This loop will take a time. Insert wai_tsk(1) here for multitask envilonment. */
      if (!Timer1) {
        Timer1 = Timer1;
        goto di_fail;
      }
    } while (!send_cmd(cmd, 0x00FF8000, 1, resp) || !(resp[0] & 0x80000000));
    
  }

  CardType = ty;              /* Save card type */
  bswap_cp(&CardInfo[32], resp);      /* Save OCR */

  /*---- Card is 'ready' state ----*/

  if (!send_cmd(CMD2, 0, 2, resp)) goto di_fail;  /* Enter ident state */
  for (n = 0; n < 4; n++) bswap_cp(&CardInfo[n * 4 + 16], &resp[n]);  /* Save CID */

  /*---- Card is 'ident' state ----*/

  if (ty & CT_SDC) {            /* SDC: Get generated RCA and save it */
    if (!send_cmd(CMD3, 0, 1, resp)) goto di_fail;
    CardRCA = (WORD)(resp[0] >> 16);
  } else {                /* MMC: Assign RCA to the card */
    if (!send_cmd(CMD3, 1 << 16, 1, resp)) goto di_fail;