void gpsEnablePassthrough(serialPort_t *gpsPassthroughPort)
{
waitForSerialPortToFinishTransmitting(gpsState.gpsPort);
waitForSerialPortToFinishTransmitting(gpsPassthroughPort);
if(!(gpsState.gpsPort->mode & MODE_TX))
serialSetMode(gpsState.gpsPort, gpsState.gpsPort->mode | MODE_TX);
LED0_OFF;
LED1_OFF;
char c;
while(1) {
if (serialRxBytesWaiting(gpsState.gpsPort)) {
LED0_ON;
c = serialRead(gpsState.gpsPort);
serialWrite(gpsPassthroughPort, c);
LED0_OFF;
}
if (serialRxBytesWaiting(gpsPassthroughPort)) {
LED1_ON;
c = serialRead(gpsPassthroughPort);
serialWrite(gpsState.gpsPort, c);
LED1_OFF;
}
}
}
static void smartPortDataReceive(uint16_t c)
{
static bool skipUntilStart = true;
static bool byteStuffing = false;
static uint16_t checksum = 0;
uint32_t now = millis();
if (c == FSSP_START_STOP) {
smartPortRxBytes = 0;
smartPortHasRequest = 0;
skipUntilStart = false;
return;
} else if (skipUntilStart) {
return;
}
uint8_t* rxBuffer = (uint8_t*)&smartPortRxBuffer;
if (smartPortRxBytes == 0) {
if ((c == FSSP_SENSOR_ID1) && (serialRxBytesWaiting(smartPortSerialPort) == 0)) {
// our slot is starting...
smartPortLastRequestTime = now;
smartPortHasRequest = 1;
} else if (c == FSSP_SENSOR_ID2) {
rxBuffer[smartPortRxBytes++] = c;
checksum = 0;
}
else {
skipUntilStart = true;
}
}
else {
if (c == FSSP_DLE) {
byteStuffing = true;
return;
}
if (byteStuffing) {
c ^= FSSP_DLE_XOR;
byteStuffing = false;
}
rxBuffer[smartPortRxBytes++] = c;
if (smartPortRxBytes == SMARTPORT_FRAME_SIZE) {
if (c == (0xFF - checksum)) {
smartPortFrameReceived = true;
}
skipUntilStart = true;
} else if (smartPortRxBytes < SMARTPORT_FRAME_SIZE) {
checksum += c;
checksum += checksum >> 8;
checksum &= 0x00FF;
}
}
void processLoopback(void) {
if (loopbackPort) {
uint8_t bytesWaiting;
while ((bytesWaiting = serialRxBytesWaiting(loopbackPort))) {
uint8_t b = serialRead(loopbackPort);
serialWrite(loopbackPort, b);
};
}
}
/*
A high-level serial passthrough implementation. Used by cli to start an
arbitrary serial passthrough "proxy". Optional callbacks can be given to allow
for specialized data processing.
*/
void serialPassthrough(serialPort_t *left, serialPort_t *right, serialConsumer
*leftC, serialConsumer *rightC)
{
waitForSerialPortToFinishTransmitting(left);
waitForSerialPortToFinishTransmitting(right);
if (!leftC)
leftC = &nopConsumer;
if (!rightC)
rightC = &nopConsumer;
LED0_OFF;
LED1_OFF;
// Either port might be open in a mode other than MODE_RXTX. We rely on
// serialRxBytesWaiting() to do the right thing for a TX only port. No
// special handling is necessary OR performed.
while(1) {
// TODO: maintain a timestamp of last data received. Use this to
// implement a guard interval and check for `+++` as an escape sequence
// to return to CLI command mode.
// https://en.wikipedia.org/wiki/Escape_sequence#Modem_control
if (serialRxBytesWaiting(left)) {
LED0_ON;
uint8_t c = serialRead(left);
serialWrite(right, c);
leftC(c);
LED0_OFF;
}
if (serialRxBytesWaiting(right)) {
LED0_ON;
uint8_t c = serialRead(right);
serialWrite(left, c);
rightC(c);
LED0_OFF;
}
}
}
void gpsEnablePassthrough(serialPort_t *gpsPassthroughPort)
{
waitForSerialPortToFinishTransmitting(gpsPort);
waitForSerialPortToFinishTransmitting(gpsPassthroughPort);
if(!(gpsPort->mode & MODE_TX))
serialSetMode(gpsPort, gpsPort->mode | MODE_TX);
LED0_OFF;
LED1_OFF;
#ifdef DISPLAY
if (feature(FEATURE_DISPLAY)) {
displayShowFixedPage(PAGE_GPS);
}
#endif
char c;
while(1) {
if (serialRxBytesWaiting(gpsPort)) {
LED0_ON;
c = serialRead(gpsPort);
gpsNewData(c);
serialWrite(gpsPassthroughPort, c);
LED0_OFF;
}
if (serialRxBytesWaiting(gpsPassthroughPort)) {
LED1_ON;
c = serialRead(gpsPassthroughPort);
serialWrite(gpsPort, c);
LED1_OFF;
}
#ifdef DISPLAY
if (feature(FEATURE_DISPLAY)) {
updateDisplay();
}
#endif
}
}
static void smartPortDataReceive(uint16_t c)
{
uint32_t now = millis();
// look for a valid request sequence
static uint8_t lastChar;
if (lastChar == FSSP_START_STOP) {
smartPortState = SPSTATE_WORKING;
if (c == FSSP_SENSOR_ID1 && (serialRxBytesWaiting(smartPortSerialPort) == 0)) {
smartPortLastRequestTime = now;
smartPortHasRequest = 1;
// we only responde to these IDs
// the X4R-SB does send other IDs, we ignore them, but take note of the time
}
}
lastChar = c;
}
static bool gpsReceiveData(void)
{
bool hasNewData = false;
if (gpsState.gpsPort) {
while (serialRxBytesWaiting(gpsState.gpsPort)) {
uint8_t newChar = serialRead(gpsState.gpsPort);
if (gpsNewFrameNMEA(newChar)) {
gpsSol.flags.gpsHeartbeat = !gpsSol.flags.gpsHeartbeat;
gpsSol.flags.validVelNE = 0;
gpsSol.flags.validVelD = 0;
hasNewData = true;
}
}
}
return hasNewData;
}
static void hottCheckSerialData(uint32_t currentMicros)
{
static bool lookingForRequest = true;
uint8_t bytesWaiting = serialRxBytesWaiting(hottPort);
if (bytesWaiting <= 1) {
return;
}
if (bytesWaiting != 2) {
flushHottRxBuffer();
lookingForRequest = true;
return;
}
if (lookingForRequest) {
lastHoTTRequestCheckAt = currentMicros;
lookingForRequest = false;
return;
} else {
bool enoughTimePassed = currentMicros - lastHoTTRequestCheckAt >= HOTT_RX_SCHEDULE;
if (!enoughTimePassed) {
return;
}
lookingForRequest = true;
}
uint8_t requestId = serialRead(hottPort);
uint8_t address = serialRead(hottPort);
if ((requestId == 0) || (requestId == HOTT_BINARY_MODE_REQUEST_ID) || (address == HOTT_TELEMETRY_NO_SENSOR_ID)) {
/*
* FIXME the first byte of the HoTT request frame is ONLY either 0x80 (binary mode) or 0x7F (text mode).
* The binary mode is read as 0x00 (error reading the upper bit) while the text mode is correctly decoded.
* The (requestId == 0) test is a workaround for detecting the binary mode with no ambiguity as there is only
* one other valid value (0x7F) for text mode.
* The error reading for the upper bit should nevertheless be fixed
*/
processBinaryModeRequest(address);
}
}
void gpsThread(void)
{
// read out available GPS bytes
if (gpsPort) {
while (serialRxBytesWaiting(gpsPort))
gpsNewData(serialRead(gpsPort));
}
switch (gpsData.state) {
case GPS_UNKNOWN:
break;
case GPS_INITIALIZING:
case GPS_CHANGE_BAUD:
case GPS_CONFIGURE:
gpsInitHardware();
break;
case GPS_LOST_COMMUNICATION:
gpsData.timeouts++;
if (gpsConfig()->autoBaud) {
// try another rate
gpsData.baudrateIndex++;
gpsData.baudrateIndex %= GPS_INIT_ENTRIES;
}
gpsData.lastMessage = millis();
// TODO - move some / all of these into gpsData
GPS_numSat = 0;
DISABLE_STATE(GPS_FIX);
gpsSetState(GPS_INITIALIZING);
break;
case GPS_RECEIVING_DATA:
// check for no data/gps timeout/cable disconnection etc
if (millis() - gpsData.lastMessage > GPS_TIMEOUT) {
// remove GPS from capability
sensorsClear(SENSOR_GPS);
gpsSetState(GPS_LOST_COMMUNICATION);
}
break;
}
}
void handleIbusTelemetry(void)
{
if (!ibusTelemetryEnabled) {
return;
}
while (serialRxBytesWaiting(ibusSerialPort) > 0) {
uint8_t c = serialRead(ibusSerialPort);
if (outboundBytesToIgnoreOnRxCount) {
outboundBytesToIgnoreOnRxCount--;
continue;
}
pushOntoTail(ibusReceiveBuffer, IBUS_RX_BUF_LEN, c);
if (isChecksumOkIa6b(ibusReceiveBuffer, IBUS_RX_BUF_LEN)) {
outboundBytesToIgnoreOnRxCount += respondToIbusRequest(ibusReceiveBuffer);
}
}
}
void serialEvaluateNonMspData(serialPort_t *serialPort, uint8_t receivedChar)
{
#ifndef USE_CLI
UNUSED(serialPort);
#else
if (receivedChar == '#') {
cliEnter(serialPort);
}
#endif
if (receivedChar == serialConfig()->reboot_character) {
// A 100ms guard delay to make sure reboot_character is followed by silence
// If anything is received during the guard period - reboot_character is ignored
for (int i = 0; i < 10; i++) {
delay(10);
if (serialRxBytesWaiting(serialPort)) {
return;
}
}
systemResetToBootloader();
}
}
int main(void) {
//spiInit(SPIDEV_1);
// start fpu
SCB->CPACR = (0x3 << (10*2)) | (0x3 << (11*2));
SetSysClock();
systemInit();
timerInit(); // timer must be initialized before any channel is allocated
serial0 = serial0_open();
dmaInit();
setup();
while (true) {
#ifndef EXTERNAL_DEBUG
static uint32_t dbg_start_msec;
// support reboot from host computer
if (millis()-dbg_start_msec > 100) {
dbg_start_msec = millis();
while (serialRxBytesWaiting(serial0)) {
uint8_t c = serialRead(serial0);
if (c == 'R')
systemResetToBootloader();
}
}
#endif
loop();
}
} // main
uint8_t HardwareSerial::available(void)
{
serialPort_t * port = (serialPort_t *)this->_uart;
return serialRxBytesWaiting(port);
}
void handleHoTTTelemetry(timeUs_t currentTimeUs)
{
static uint8_t hottRequestBuffer[2];
static int hottRequestBufferPtr = 0;
if (!hottTelemetryEnabled) {
return;
}
bool reprocessState;
do {
reprocessState = false;
switch (hottState) {
case HOTT_WAITING_FOR_REQUEST:
if (serialRxBytesWaiting(hottPort)) {
hottRequestBufferPtr = 0;
hottSwitchState(HOTT_RECEIVING_REQUEST, currentTimeUs);
reprocessState = true;
}
break;
case HOTT_RECEIVING_REQUEST:
if ((currentTimeUs - hottStateChangeUs) >= HOTT_RX_SCHEDULE) {
// Waiting for too long - resync
flushHottRxBuffer();
hottSwitchState(HOTT_WAITING_FOR_REQUEST, currentTimeUs);
}
else {
while (serialRxBytesWaiting(hottPort) && hottRequestBufferPtr < 2) {
hottRequestBuffer[hottRequestBufferPtr++] = serialRead(hottPort);
}
if (hottRequestBufferPtr >= 2) {
if ((hottRequestBuffer[0] == 0) || (hottRequestBuffer[0] == HOTT_BINARY_MODE_REQUEST_ID)) {
/*
* FIXME the first byte of the HoTT request frame is ONLY either 0x80 (binary mode) or 0x7F (text mode).
* The binary mode is read as 0x00 (error reading the upper bit) while the text mode is correctly decoded.
* The (requestId == 0) test is a workaround for detecting the binary mode with no ambiguity as there is only
* one other valid value (0x7F) for text mode.
* The error reading for the upper bit should nevertheless be fixed
*/
if (processBinaryModeRequest(hottRequestBuffer[1])) {
hottSwitchState(HOTT_WAITING_FOR_TX_WINDOW, currentTimeUs);
}
else {
hottSwitchState(HOTT_WAITING_FOR_REQUEST, currentTimeUs);
}
}
else if (hottRequestBuffer[0] == HOTT_TEXT_MODE_REQUEST_ID) {
// FIXME Text mode
hottSwitchState(HOTT_WAITING_FOR_REQUEST, currentTimeUs);
}
else {
// Received garbage - resync
flushHottRxBuffer();
hottSwitchState(HOTT_WAITING_FOR_REQUEST, currentTimeUs);
}
reprocessState = true;
}
}
break;
case HOTT_WAITING_FOR_TX_WINDOW:
if ((currentTimeUs - hottStateChangeUs) >= HOTT_TX_SCHEDULE) {
hottTxMsgCrc = 0;
hottSwitchState(HOTT_TRANSMITTING, currentTimeUs);
}
break;
case HOTT_TRANSMITTING:
if (hottSendTelemetryDataByte(currentTimeUs)) {
hottSwitchState(HOTT_ENDING_TRANSMISSION, currentTimeUs);
}
break;
case HOTT_ENDING_TRANSMISSION:
if ((currentTimeUs - hottStateChangeUs) >= HOTT_TX_DELAY_US) {
flushHottRxBuffer();
hottSwitchState(HOTT_WAITING_FOR_REQUEST, currentTimeUs);
reprocessState = true;
}
break;
};
} while (reprocessState);
}
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,
¤tProfile->pidProfile,
¤tProfile->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();
}
}
void handleSmartPortTelemetry(void)
{
uint32_t smartPortLastServiceTime = millis();
if (!smartPortTelemetryEnabled) {
return;
}
if (!canSendSmartPortTelemetry()) {
return;
}
while (serialRxBytesWaiting(smartPortSerialPort) > 0) {
uint8_t c = serialRead(smartPortSerialPort);
smartPortDataReceive(c);
}
uint32_t now = millis();
// if timed out, reconfigure the UART back to normal so the GUI or CLI works
if ((now - smartPortLastRequestTime) > SMARTPORT_NOT_CONNECTED_TIMEOUT_MS) {
smartPortState = SPSTATE_TIMEDOUT;
return;
}
while (smartPortHasRequest) {
// Ensure we won't get stuck in the loop if there happens to be nothing available to send in a timely manner - dump the slot if we loop in there for too long.
if ((millis() - smartPortLastServiceTime) > SMARTPORT_SERVICE_TIMEOUT_MS) {
smartPortHasRequest = 0;
return;
}
// we can send back any data we want, our table keeps track of the order and frequency of each data type we send
uint16_t id = frSkyDataIdTable[smartPortIdCnt];
if (id == 0) { // end of table reached, loop back
smartPortIdCnt = 0;
id = frSkyDataIdTable[smartPortIdCnt];
}
smartPortIdCnt++;
int32_t tmpi;
switch(id) {
#ifdef GPS
case FSSP_DATAID_SPEED :
if (sensors(SENSOR_GPS) && STATE(GPS_FIX)) {
uint32_t tmpui = (GPS_speed * 36 + 36 / 2) / 100;
smartPortSendPackage(id, tmpui); // given in 0.1 m/s, provide in KM/H
smartPortHasRequest = 0;
}
break;
#endif
case FSSP_DATAID_VFAS :
if (feature(FEATURE_VBAT)) {
smartPortSendPackage(id, vbat * 10); // given in 0.1V, convert to volts
smartPortHasRequest = 0;
}
break;
case FSSP_DATAID_CELLS :
if (feature(FEATURE_VBAT) && telemetryConfig()->telemetry_send_cells) {
/*
* A cell packet is formated this way: https://github.com/jcheger/frsky-arduino/blob/master/FrskySP/FrskySP.cpp
* content | length
* ---------- | ------
* volt[id] | 12-bits
* celltotal | 4 bits
* cellid | 4 bits
*/
static uint8_t currentCell = 0; // Track current cell index number
// Cells Data Payload
uint32_t payload = 0;
payload |= ((uint16_t)(vbat * 100 + batteryCellCount) / (batteryCellCount * 2)) & 0x0FFF; // Cell Voltage formatted for payload, modified code from cleanflight Frsky.c, TESTING NOTE: (uint16_t)(4.2 * 500.0) & 0x0FFF;
payload <<= 4;
payload |= (uint8_t)batteryCellCount & 0x0F; // Cell Total Count formatted for payload
payload <<= 4;
payload |= (uint8_t)currentCell & 0x0F; // Current Cell Index Number formatted for payload
// Send Payload
smartPortSendPackage(id, payload);
smartPortHasRequest = 0;
// Incremental Counter
currentCell++;
currentCell %= batteryCellCount; // Reset counter @ max index
}
break;
case FSSP_DATAID_CURRENT :
if (feature(FEATURE_AMPERAGE_METER)) {
amperageMeter_t *state = getAmperageMeter(batteryConfig()->amperageMeterSource);
smartPortSendPackage(id, state->amperage / 10); // given in 10mA steps, unknown requested unit
smartPortHasRequest = 0;
}
break;
//case FSSP_DATAID_RPM :
case FSSP_DATAID_ALTITUDE :
if (sensors(SENSOR_BARO)) {
smartPortSendPackage(id, BaroAlt); // unknown given unit, requested 100 = 1 meter
smartPortHasRequest = 0;
}
break;
case FSSP_DATAID_FUEL :
if (feature(FEATURE_AMPERAGE_METER)) {
amperageMeter_t *state = getAmperageMeter(batteryConfig()->amperageMeterSource);
smartPortSendPackage(id, state->mAhDrawn); // given in mAh, unknown requested unit
smartPortHasRequest = 0;
}
break;
//case FSSP_DATAID_ADC1 :
//case FSSP_DATAID_ADC2 :
#ifdef GPS
case FSSP_DATAID_LATLONG :
if (sensors(SENSOR_GPS) && STATE(GPS_FIX)) {
uint32_t tmpui = 0;
// the same ID is sent twice, one for longitude, one for latitude
// the MSB of the sent uint32_t helps FrSky keep track
// the even/odd bit of our counter helps us keep track
if (smartPortIdCnt & 1) {
tmpui = abs(GPS_coord[LON]); // now we have unsigned value and one bit to spare
tmpui = (tmpui + tmpui / 2) / 25 | 0x80000000; // 6/100 = 1.5/25, division by power of 2 is fast
if (GPS_coord[LON] < 0) tmpui |= 0x40000000;
}
else {
tmpui = abs(GPS_coord[LAT]); // now we have unsigned value and one bit to spare
tmpui = (tmpui + tmpui / 2) / 25; // 6/100 = 1.5/25, division by power of 2 is fast
if (GPS_coord[LAT] < 0) tmpui |= 0x40000000;
}
smartPortSendPackage(id, tmpui);
smartPortHasRequest = 0;
}
break;
#endif
//case FSSP_DATAID_CAP_USED :
case FSSP_DATAID_VARIO :
if (sensors(SENSOR_BARO)) {
smartPortSendPackage(id, vario); // unknown given unit but requested in 100 = 1m/s
smartPortHasRequest = 0;
}
break;
case FSSP_DATAID_HEADING :
smartPortSendPackage(id, attitude.values.yaw * 10); // given in 10*deg, requested in 10000 = 100 deg
smartPortHasRequest = 0;
break;
case FSSP_DATAID_ACCX :
smartPortSendPackage(id, accSmooth[X] / 44);
// unknown input and unknown output unit
// we can only show 00.00 format, another digit won't display right on Taranis
// dividing by roughly 44 will give acceleration in G units
smartPortHasRequest = 0;
break;
case FSSP_DATAID_ACCY :
smartPortSendPackage(id, accSmooth[Y] / 44);
smartPortHasRequest = 0;
break;
case FSSP_DATAID_ACCZ :
smartPortSendPackage(id, accSmooth[Z] / 44);
smartPortHasRequest = 0;
break;
case FSSP_DATAID_T1 :
// we send all the flags as decimal digits for easy reading
tmpi = 10000; // start off with at least one digit so the most significant 0 won't be cut off
// the Taranis seems to be able to fit 5 digits on the screen
// the Taranis seems to consider this number a signed 16 bit integer
if (ARMING_FLAG(OK_TO_ARM))
tmpi += 1;
if (ARMING_FLAG(PREVENT_ARMING))
tmpi += 2;
if (ARMING_FLAG(ARMED))
tmpi += 4;
if (FLIGHT_MODE(ANGLE_MODE))
tmpi += 10;
if (FLIGHT_MODE(HORIZON_MODE))
tmpi += 20;
if (FLIGHT_MODE(GTUNE_MODE) || FLIGHT_MODE(PASSTHRU_MODE))
tmpi += 40;
if (FLIGHT_MODE(MAG_MODE))
tmpi += 100;
if (FLIGHT_MODE(BARO_MODE))
tmpi += 200;
if (FLIGHT_MODE(SONAR_MODE))
tmpi += 400;
if (FLIGHT_MODE(GPS_HOLD_MODE))
tmpi += 1000;
if (FLIGHT_MODE(GPS_HOME_MODE))
tmpi += 2000;
if (FLIGHT_MODE(HEADFREE_MODE))
tmpi += 4000;
smartPortSendPackage(id, (uint32_t)tmpi);
smartPortHasRequest = 0;
break;
case FSSP_DATAID_T2 :
if (sensors(SENSOR_GPS)) {
#ifdef GPS
// provide GPS lock status
smartPortSendPackage(id, (STATE(GPS_FIX) ? 1000 : 0) + (STATE(GPS_FIX_HOME) ? 2000 : 0) + GPS_numSat);
smartPortHasRequest = 0;
#endif
}
else if (feature(FEATURE_GPS)) {
smartPortSendPackage(id, 0);
smartPortHasRequest = 0;
}
break;
#ifdef GPS
case FSSP_DATAID_GPS_ALT :
if (sensors(SENSOR_GPS) && STATE(GPS_FIX)) {
smartPortSendPackage(id, GPS_altitude * 100); // given in 0.1m , requested in 10 = 1m (should be in mm, probably a bug in opentx, tested on 2.0.1.7)
smartPortHasRequest = 0;
}
break;
#endif
case FSSP_DATAID_A4 :
if (feature(FEATURE_VBAT)) {
smartPortSendPackage(id, vbat * 10 / batteryCellCount ); //sending calculated average cell value with 0.01 precision
smartPortHasRequest = 0;
}
break;
default:
break;
// if nothing is sent, smartPortHasRequest isn't cleared, we already incremented the counter, just loop back to the start
}
}
}
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
}
void init(void)
{
uint8_t i;
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
#ifdef USE_HARDWARE_REVISION_DETECTION
detectHardwareRevision();
#endif
systemInit();
// Latch active features to be used for feature() in the remainder of init().
latchActiveFeatures();
ledInit();
#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
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_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 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);
pwmOutputConfiguration_t *pwmOutputConfiguration = pwmInit(&pwm_params);
mixerUsePWMOutputConfiguration(pwmOutputConfiguration);
if (!feature(FEATURE_ONESHOT125))
motorControlEnable = true;
systemState |= SYSTEM_STATE_MOTORS_READY;
#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 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
#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
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 (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
);
navigationInit(
¤tProfile->gpsProfile,
¤tProfile->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 USE_FLASHFS
#ifdef NAZE
if (hardwareRevision == NAZE32_REV5) {
m25p16_init();
}
#elif defined(USE_FLASH_M25P16)
m25p16_init();
#endif
flashfsInit();
#endif
previousTime = micros();
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();
while (1) {
loop();
processLoopback();
}
}
void HardFault_Handler(void)
{
// fall out of the sky
uint8_t requiredState = SYSTEM_STATE_CONFIG_LOADED | SYSTEM_STATE_MOTORS_READY;
if ((systemState & requiredState) == requiredState) {
stopMotors();
}
while (1);
}
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,
¤tProfile->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
}
void handleSmartPortTelemetry(void)
{
uint32_t smartPortLastServiceTime = millis();
if (!smartPortTelemetryEnabled) {
return;
}
if (!canSendSmartPortTelemetry()) {
return;
}
while (serialRxBytesWaiting(smartPortSerialPort) > 0) {
uint8_t c = serialRead(smartPortSerialPort);
smartPortDataReceive(c);
}
uint32_t now = millis();
// if timed out, reconfigure the UART back to normal so the GUI or CLI works
if ((now - smartPortLastRequestTime) > SMARTPORT_NOT_CONNECTED_TIMEOUT_MS) {
smartPortState = SPSTATE_TIMEDOUT;
return;
}
while (smartPortHasRequest) {
// Ensure we won't get stuck in the loop if there happens to be nothing available to send in a timely manner - dump the slot if we loop in there for too long.
if ((millis() - smartPortLastServiceTime) > SMARTPORT_SERVICE_TIMEOUT_MS) {
smartPortHasRequest = 0;
return;
}
// we can send back any data we want, our table keeps track of the order and frequency of each data type we send
uint16_t id = frSkyDataIdTable[smartPortIdCnt];
if (id == 0) { // end of table reached, loop back
smartPortIdCnt = 0;
id = frSkyDataIdTable[smartPortIdCnt];
}
smartPortIdCnt++;
int32_t tmpi;
static uint8_t t1Cnt = 0;
switch(id) {
#ifdef GPS
case FSSP_DATAID_SPEED :
if (sensors(SENSOR_GPS) && STATE(GPS_FIX)) {
uint32_t tmpui = (GPS_speed * 36 + 36 / 2) / 100;
smartPortSendPackage(id, tmpui); // given in 0.1 m/s, provide in KM/H
smartPortHasRequest = 0;
}
break;
#endif
case FSSP_DATAID_VFAS :
if (feature(FEATURE_VBAT)) {
uint16_t vfasVoltage;
if (telemetryConfig->frsky_vfas_cell_voltage) {
vfasVoltage = vbat / batteryCellCount;
} else {
vfasVoltage = vbat;
}
smartPortSendPackage(id, vfasVoltage * 10); // given in 0.1V, convert to volts
smartPortHasRequest = 0;
}
break;
case FSSP_DATAID_CURRENT :
if (feature(FEATURE_CURRENT_METER)) {
smartPortSendPackage(id, amperage / 10); // given in 10mA steps, unknown requested unit
smartPortHasRequest = 0;
}
break;
//case FSSP_DATAID_RPM :
case FSSP_DATAID_ALTITUDE :
if (sensors(SENSOR_BARO)) {
smartPortSendPackage(id, BaroAlt); // unknown given unit, requested 100 = 1 meter
smartPortHasRequest = 0;
}
break;
case FSSP_DATAID_FUEL :
if (feature(FEATURE_CURRENT_METER)) {
smartPortSendPackage(id, mAhDrawn); // given in mAh, unknown requested unit
smartPortHasRequest = 0;
}
break;
//case FSSP_DATAID_ADC1 :
//case FSSP_DATAID_ADC2 :
#ifdef GPS
case FSSP_DATAID_LATLONG :
if (sensors(SENSOR_GPS) && STATE(GPS_FIX)) {
uint32_t tmpui = 0;
// the same ID is sent twice, one for longitude, one for latitude
// the MSB of the sent uint32_t helps FrSky keep track
// the even/odd bit of our counter helps us keep track
if (smartPortIdCnt & 1) {
tmpui = abs(GPS_coord[LON]); // now we have unsigned value and one bit to spare
tmpui = (tmpui + tmpui / 2) / 25 | 0x80000000; // 6/100 = 1.5/25, division by power of 2 is fast
if (GPS_coord[LON] < 0) tmpui |= 0x40000000;
}
else {
tmpui = abs(GPS_coord[LAT]); // now we have unsigned value and one bit to spare
tmpui = (tmpui + tmpui / 2) / 25; // 6/100 = 1.5/25, division by power of 2 is fast
if (GPS_coord[LAT] < 0) tmpui |= 0x40000000;
}
smartPortSendPackage(id, tmpui);
smartPortHasRequest = 0;
}
break;
#endif
//case FSSP_DATAID_CAP_USED :
case FSSP_DATAID_VARIO :
if (sensors(SENSOR_BARO)) {
smartPortSendPackage(id, vario); // unknown given unit but requested in 100 = 1m/s
smartPortHasRequest = 0;
}
break;
case FSSP_DATAID_HEADING :
smartPortSendPackage(id, attitude.values.yaw * 10); // given in 10*deg, requested in 10000 = 100 deg
smartPortHasRequest = 0;
break;
case FSSP_DATAID_ACCX :
smartPortSendPackage(id, accSmooth[X] / 44);
// unknown input and unknown output unit
// we can only show 00.00 format, another digit won't display right on Taranis
// dividing by roughly 44 will give acceleration in G units
smartPortHasRequest = 0;
break;
case FSSP_DATAID_ACCY :
smartPortSendPackage(id, accSmooth[Y] / 44);
smartPortHasRequest = 0;
break;
case FSSP_DATAID_ACCZ :
smartPortSendPackage(id, accSmooth[Z] / 44);
smartPortHasRequest = 0;
break;
case FSSP_DATAID_T1 :
// we send all the flags as decimal digits for easy reading
// the t1Cnt simply allows the telemetry view to show at least some changes
t1Cnt++;
if (t1Cnt >= 4) {
t1Cnt = 1;
}
tmpi = t1Cnt * 10000; // start off with at least one digit so the most significant 0 won't be cut off
// the Taranis seems to be able to fit 5 digits on the screen
// the Taranis seems to consider this number a signed 16 bit integer
if (ARMING_FLAG(OK_TO_ARM))
tmpi += 1;
if (ARMING_FLAG(PREVENT_ARMING))
tmpi += 2;
if (ARMING_FLAG(ARMED))
tmpi += 4;
if (FLIGHT_MODE(ANGLE_MODE))
tmpi += 10;
if (FLIGHT_MODE(HORIZON_MODE))
tmpi += 20;
if (FLIGHT_MODE(UNUSED_MODE))
tmpi += 40;
if (FLIGHT_MODE(PASSTHRU_MODE))
tmpi += 40;
if (FLIGHT_MODE(MAG_MODE))
tmpi += 100;
if (FLIGHT_MODE(BARO_MODE))
tmpi += 200;
if (FLIGHT_MODE(SONAR_MODE))
tmpi += 400;
if (FLIGHT_MODE(GPS_HOLD_MODE))
tmpi += 1000;
if (FLIGHT_MODE(GPS_HOME_MODE))
tmpi += 2000;
if (FLIGHT_MODE(HEADFREE_MODE))
tmpi += 4000;
smartPortSendPackage(id, (uint32_t)tmpi);
smartPortHasRequest = 0;
break;
case FSSP_DATAID_T2 :
if (sensors(SENSOR_GPS)) {
#ifdef GPS
// provide GPS lock status
smartPortSendPackage(id, (STATE(GPS_FIX) ? 1000 : 0) + (STATE(GPS_FIX_HOME) ? 2000 : 0) + GPS_numSat);
smartPortHasRequest = 0;
#endif
}
else if (feature(FEATURE_GPS)) {
smartPortSendPackage(id, 0);
smartPortHasRequest = 0;
}
break;
#ifdef GPS
case FSSP_DATAID_GPS_ALT :
if (sensors(SENSOR_GPS) && STATE(GPS_FIX)) {
smartPortSendPackage(id, GPS_altitude * 100); // given in 0.1m , requested in 10 = 1m (should be in mm, probably a bug in opentx, tested on 2.0.1.7)
smartPortHasRequest = 0;
}
break;
#endif
case FSSP_DATAID_A4 :
if (feature(FEATURE_VBAT)) {
smartPortSendPackage(id, vbat * 10 / batteryCellCount ); // given in 0.1V, convert to volts
smartPortHasRequest = 0;
}
break;
default:
break;
// if nothing is sent, smartPortHasRequest isn't cleared, we already incremented the counter, just loop back to the start
}
}
}
static void flushHottRxBuffer(void)
{
while (serialRxBytesWaiting(hottPort) > 0) {
serialRead(hottPort);
}
}
