void spiInitDevice(SPIDevice device)
{
spiDevice_t *spi = &(spiHardwareMap[device]);
#ifdef SDCARD_SPI_INSTANCE
if (spi->dev == SDCARD_SPI_INSTANCE) {
spi->leadingEdge = true;
}
#endif
#ifdef RX_SPI_INSTANCE
if (spi->dev == RX_SPI_INSTANCE) {
spi->leadingEdge = true;
}
#endif
// Enable SPI clock
RCC_ClockCmd(spi->rcc, ENABLE);
RCC_ResetCmd(spi->rcc, ENABLE);
IOInit(IOGetByTag(spi->sck), OWNER_SPI_SCK, RESOURCE_INDEX(device));
IOInit(IOGetByTag(spi->miso), OWNER_SPI_MISO, RESOURCE_INDEX(device));
IOInit(IOGetByTag(spi->mosi), OWNER_SPI_MOSI, RESOURCE_INDEX(device));
#if defined(STM32F3) || defined(STM32F4) || defined(STM32F7)
IOConfigGPIOAF(IOGetByTag(spi->sck), SPI_IO_AF_CFG, spi->af);
IOConfigGPIOAF(IOGetByTag(spi->miso), SPI_IO_AF_CFG, spi->af);
IOConfigGPIOAF(IOGetByTag(spi->mosi), SPI_IO_AF_CFG, spi->af);
if (spi->nss) {
IOInit(IOGetByTag(spi->nss), OWNER_SPI_CS, RESOURCE_INDEX(device));
IOConfigGPIOAF(IOGetByTag(spi->nss), SPI_IO_CS_CFG, spi->af);
}
#endif
#if defined(STM32F10X)
IOConfigGPIO(IOGetByTag(spi->sck), SPI_IO_AF_SCK_CFG);
IOConfigGPIO(IOGetByTag(spi->miso), SPI_IO_AF_MISO_CFG);
IOConfigGPIO(IOGetByTag(spi->mosi), SPI_IO_AF_MOSI_CFG);
if (spi->nss) {
IOInit(IOGetByTag(spi->nss), OWNER_SPI_CS, RESOURCE_INDEX(device));
IOConfigGPIO(IOGetByTag(spi->nss), SPI_IO_CS_CFG);
}
#endif
spiHardwareMap[device].hspi.Instance = spi->dev;
// Init SPI hardware
HAL_SPI_DeInit(&spiHardwareMap[device].hspi);
spiHardwareMap[device].hspi.Init.Mode = SPI_MODE_MASTER;
spiHardwareMap[device].hspi.Init.Direction = SPI_DIRECTION_2LINES;
spiHardwareMap[device].hspi.Init.DataSize = SPI_DATASIZE_8BIT;
spiHardwareMap[device].hspi.Init.NSS = SPI_NSS_SOFT;
spiHardwareMap[device].hspi.Init.FirstBit = SPI_FIRSTBIT_MSB;
spiHardwareMap[device].hspi.Init.CRCPolynomial = 7;
spiHardwareMap[device].hspi.Init.BaudRatePrescaler = SPI_BAUDRATEPRESCALER_256;
spiHardwareMap[device].hspi.Init.CRCCalculation = SPI_CRCCALCULATION_DISABLE;
spiHardwareMap[device].hspi.Init.TIMode = SPI_TIMODE_DISABLED;
if (spi->leadingEdge) {
spiHardwareMap[device].hspi.Init.CLKPolarity = SPI_POLARITY_LOW;
spiHardwareMap[device].hspi.Init.CLKPhase = SPI_PHASE_1EDGE;
}
else {
spiHardwareMap[device].hspi.Init.CLKPolarity = SPI_POLARITY_HIGH;
spiHardwareMap[device].hspi.Init.CLKPhase = SPI_PHASE_2EDGE;
}
if (HAL_SPI_Init(&spiHardwareMap[device].hspi) == HAL_OK)
{
if (spi->nss) {
IOHi(IOGetByTag(spi->nss));
}
}
}
void max7456Init(const max7456Config_t *max7456Config, const vcdProfile_t *pVcdProfile, bool cpuOverclock)
{
max7456HardwareReset();
#ifdef MAX7456_SPI_CS_PIN
max7456CsPin = IOGetByTag(IO_TAG(MAX7456_SPI_CS_PIN));
#endif
IOInit(max7456CsPin, OWNER_OSD_CS, 0);
IOConfigGPIO(max7456CsPin, SPI_IO_CS_CFG);
IOHi(max7456CsPin);
// Detect device type by writing and reading CA[8] bit at CMAL[6].
// Do this at half the speed for safety.
spiSetDivisor(MAX7456_SPI_INSTANCE, MAX7456_SPI_CLK * 2);
max7456Send(MAX7456ADD_CMAL, (1 << 6)); // CA[8] bit
if (max7456Send(MAX7456ADD_CMAL|MAX7456ADD_READ, 0xff) & (1 << 6)) {
max7456DeviceType = MAX7456_DEVICE_TYPE_AT;
} else {
max7456DeviceType = MAX7456_DEVICE_TYPE_MAX;
}
#if defined(USE_OVERCLOCK)
// Determine SPI clock divisor based on config and the device type.
switch (max7456Config->clockConfig) {
case MAX7456_CLOCK_CONFIG_HALF:
max7456SpiClock = MAX7456_SPI_CLK * 2;
break;
case MAX7456_CLOCK_CONFIG_OC:
max7456SpiClock = (cpuOverclock && (max7456DeviceType == MAX7456_DEVICE_TYPE_MAX)) ? MAX7456_SPI_CLK * 2 : MAX7456_SPI_CLK;
break;
case MAX7456_CLOCK_CONFIG_FULL:
max7456SpiClock = MAX7456_SPI_CLK;
break;
}
DEBUG_SET(DEBUG_MAX7456_SPICLOCK, DEBUG_MAX7456_SPICLOCK_OVERCLOCK, cpuOverclock);
DEBUG_SET(DEBUG_MAX7456_SPICLOCK, DEBUG_MAX7456_SPICLOCK_DEVTYPE, max7456DeviceType);
DEBUG_SET(DEBUG_MAX7456_SPICLOCK, DEBUG_MAX7456_SPICLOCK_DIVISOR, max7456SpiClock);
#else
UNUSED(max7456Config);
UNUSED(cpuOverclock);
#endif
spiSetDivisor(MAX7456_SPI_INSTANCE, max7456SpiClock);
// force soft reset on Max7456
ENABLE_MAX7456;
max7456Send(MAX7456ADD_VM0, MAX7456_RESET);
DISABLE_MAX7456;
// Setup values to write to registers
videoSignalCfg = pVcdProfile->video_system;
hosRegValue = 32 - pVcdProfile->h_offset;
vosRegValue = 16 - pVcdProfile->v_offset;
#ifdef MAX7456_DMA_CHANNEL_TX
dmaSetHandler(MAX7456_DMA_IRQ_HANDLER_ID, max7456_dma_irq_handler, NVIC_PRIO_MAX7456_DMA, 0);
#endif
// Real init will be made later when driver detect idle.
}
void ws2811LedStripHardwareInit(void)
{
TIM_TimeBaseInitTypeDef TIM_TimeBaseStructure;
TIM_OCInitTypeDef TIM_OCInitStructure;
DMA_InitTypeDef DMA_InitStructure;
uint16_t prescalerValue;
dmaSetHandler(WS2811_DMA_HANDLER_IDENTIFER, WS2811_DMA_IRQHandler, NVIC_PRIO_WS2811_DMA, 0);
ws2811IO = IOGetByTag(IO_TAG(WS2811_PIN));
/* GPIOA Configuration: TIM5 Channel 1 as alternate function push-pull */
IOInit(ws2811IO, OWNER_LED_STRIP, RESOURCE_OUTPUT, 0);
IOConfigGPIO(ws2811IO, IO_CONFIG(GPIO_Speed_50MHz, GPIO_Mode_AF_PP));
RCC_ClockCmd(timerRCC(WS2811_TIMER), ENABLE);
/* Compute the prescaler value */
prescalerValue = (uint16_t) (SystemCoreClock / 24000000) - 1;
/* Time base configuration */
TIM_TimeBaseStructInit(&TIM_TimeBaseStructure);
TIM_TimeBaseStructure.TIM_Period = 29; // 800kHz
TIM_TimeBaseStructure.TIM_Prescaler = prescalerValue;
TIM_TimeBaseStructure.TIM_ClockDivision = 0;
TIM_TimeBaseStructure.TIM_CounterMode = TIM_CounterMode_Up;
TIM_TimeBaseInit(TIM3, &TIM_TimeBaseStructure);
/* PWM1 Mode configuration: Channel1 */
TIM_OCStructInit(&TIM_OCInitStructure);
TIM_OCInitStructure.TIM_OCMode = TIM_OCMode_PWM1;
TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Enable;
TIM_OCInitStructure.TIM_Pulse = 0;
TIM_OCInitStructure.TIM_OCPolarity = TIM_OCPolarity_High;
TIM_OC1Init(TIM3, &TIM_OCInitStructure);
TIM_OC1PreloadConfig(TIM3, TIM_OCPreload_Enable);
TIM_CtrlPWMOutputs(TIM3, ENABLE);
/* configure DMA */
/* DMA clock enable */
RCC_AHBPeriphClockCmd(RCC_AHBPeriph_DMA1, ENABLE);
/* DMA1 Channel6 Config */
DMA_DeInit(DMA1_Channel6);
DMA_StructInit(&DMA_InitStructure);
DMA_InitStructure.DMA_PeripheralBaseAddr = (uint32_t)&TIM3->CCR1;
DMA_InitStructure.DMA_MemoryBaseAddr = (uint32_t)ledStripDMABuffer;
DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralDST;
DMA_InitStructure.DMA_BufferSize = WS2811_DMA_BUFFER_SIZE;
DMA_InitStructure.DMA_PeripheralInc = DMA_PeripheralInc_Disable;
DMA_InitStructure.DMA_MemoryInc = DMA_MemoryInc_Enable;
DMA_InitStructure.DMA_PeripheralDataSize = DMA_PeripheralDataSize_HalfWord;
DMA_InitStructure.DMA_MemoryDataSize = DMA_MemoryDataSize_Byte;
DMA_InitStructure.DMA_Mode = DMA_Mode_Normal;
DMA_InitStructure.DMA_Priority = DMA_Priority_High;
DMA_InitStructure.DMA_M2M = DMA_M2M_Disable;
DMA_Init(DMA1_Channel6, &DMA_InitStructure);
/* TIM3 CC1 DMA Request enable */
TIM_DMACmd(TIM3, TIM_DMA_CC1, ENABLE);
DMA_ITConfig(DMA1_Channel6, DMA_IT_TC, ENABLE);
const hsvColor_t hsv_white = { 0, 255, 255};
ws2811Initialised = true;
setStripColor(&hsv_white);
ws2811UpdateStrip();
}
void i2cInit(I2CDevice device)
{
i2cDevice_t *i2c;
i2c = &(i2cHardwareMap[device]);
I2C_TypeDef *I2Cx;
I2Cx = i2c->dev;
IO_t scl = IOGetByTag(i2c->scl);
IO_t sda = IOGetByTag(i2c->sda);
RCC_ClockCmd(i2c->rcc, ENABLE);
RCC_I2CCLKConfig(I2Cx == I2C2 ? RCC_I2C2CLK_SYSCLK : RCC_I2C1CLK_SYSCLK);
IOInit(scl, OWNER_I2C, RESOURCE_I2C_SCL, RESOURCE_INDEX(device));
IOConfigGPIOAF(scl, IOCFG_I2C, GPIO_AF_4);
IOInit(sda, OWNER_I2C, RESOURCE_I2C_SDA, RESOURCE_INDEX(device));
IOConfigGPIOAF(sda, IOCFG_I2C, GPIO_AF_4);
I2C_InitTypeDef i2cInit = {
.I2C_Mode = I2C_Mode_I2C,
.I2C_AnalogFilter = I2C_AnalogFilter_Enable,
.I2C_DigitalFilter = 0x00,
.I2C_OwnAddress1 = 0x00,
.I2C_Ack = I2C_Ack_Enable,
.I2C_AcknowledgedAddress = I2C_AcknowledgedAddress_7bit,
.I2C_Timing = (i2c->overClock ? I2C_HIGHSPEED_TIMING : I2C_STANDARD_TIMING)
};
I2C_Init(I2Cx, &i2cInit);
I2C_StretchClockCmd(I2Cx, ENABLE);
I2C_Cmd(I2Cx, ENABLE);
}
uint16_t i2cGetErrorCounter(void)
{
return i2cErrorCount;
}
bool i2cWrite(I2CDevice device, uint8_t addr_, uint8_t reg, uint8_t data)
{
addr_ <<= 1;
I2C_TypeDef *I2Cx;
I2Cx = i2cHardwareMap[device].dev;
/* Test on BUSY Flag */
i2cTimeout = I2C_LONG_TIMEOUT;
while (I2C_GetFlagStatus(I2Cx, I2C_ISR_BUSY) != RESET) {
if ((i2cTimeout--) == 0) {
return i2cTimeoutUserCallback();
}
}
/* Configure slave address, nbytes, reload, end mode and start or stop generation */
I2C_TransferHandling(I2Cx, addr_, 1, I2C_Reload_Mode, I2C_Generate_Start_Write);
/* Wait until TXIS flag is set */
i2cTimeout = I2C_LONG_TIMEOUT;
while (I2C_GetFlagStatus(I2Cx, I2C_ISR_TXIS) == RESET) {
if ((i2cTimeout--) == 0) {
return i2cTimeoutUserCallback();
}
}
/* Send Register address */
I2C_SendData(I2Cx, (uint8_t) reg);
/* Wait until TCR flag is set */
i2cTimeout = I2C_LONG_TIMEOUT;
while (I2C_GetFlagStatus(I2Cx, I2C_ISR_TCR) == RESET)
{
if ((i2cTimeout--) == 0) {
return i2cTimeoutUserCallback();
}
}
/* Configure slave address, nbytes, reload, end mode and start or stop generation */
I2C_TransferHandling(I2Cx, addr_, 1, I2C_AutoEnd_Mode, I2C_No_StartStop);
/* Wait until TXIS flag is set */
i2cTimeout = I2C_LONG_TIMEOUT;
while (I2C_GetFlagStatus(I2Cx, I2C_ISR_TXIS) == RESET) {
if ((i2cTimeout--) == 0) {
return i2cTimeoutUserCallback();
}
}
/* Write data to TXDR */
I2C_SendData(I2Cx, data);
/* Wait until STOPF flag is set */
i2cTimeout = I2C_LONG_TIMEOUT;
while (I2C_GetFlagStatus(I2Cx, I2C_ISR_STOPF) == RESET) {
if ((i2cTimeout--) == 0) {
return i2cTimeoutUserCallback();
}
}
/* Clear STOPF flag */
I2C_ClearFlag(I2Cx, I2C_ICR_STOPCF);
return true;
}
void motorInit(const motorConfig_t *motorConfig, uint16_t idlePulse, uint8_t motorCount)
{
uint32_t timerMhzCounter = 0;
pwmWriteFuncPtr pwmWritePtr;
bool useUnsyncedPwm = motorConfig->useUnsyncedPwm;
bool isDigital = false;
switch (motorConfig->motorPwmProtocol) {
default:
case PWM_TYPE_ONESHOT125:
timerMhzCounter = ONESHOT125_TIMER_MHZ;
pwmWritePtr = pwmWriteOneShot125;
break;
case PWM_TYPE_ONESHOT42:
timerMhzCounter = ONESHOT42_TIMER_MHZ;
pwmWritePtr = pwmWriteOneShot42;
break;
case PWM_TYPE_MULTISHOT:
timerMhzCounter = MULTISHOT_TIMER_MHZ;
pwmWritePtr = pwmWriteMultiShot;
break;
case PWM_TYPE_BRUSHED:
timerMhzCounter = PWM_BRUSHED_TIMER_MHZ;
pwmWritePtr = pwmWriteBrushed;
useUnsyncedPwm = true;
idlePulse = 0;
break;
case PWM_TYPE_STANDARD:
timerMhzCounter = PWM_TIMER_MHZ;
pwmWritePtr = pwmWriteStandard;
useUnsyncedPwm = true;
idlePulse = 0;
break;
#ifdef USE_DSHOT
case PWM_TYPE_DSHOT600:
case PWM_TYPE_DSHOT300:
case PWM_TYPE_DSHOT150:
pwmCompleteWritePtr = pwmCompleteDigitalMotorUpdate;
isDigital = true;
break;
#endif
}
if (!useUnsyncedPwm && !isDigital) {
pwmCompleteWritePtr = pwmCompleteOneshotMotorUpdate;
}
for (int motorIndex = 0; motorIndex < MAX_SUPPORTED_MOTORS && motorIndex < motorCount; motorIndex++) {
const ioTag_t tag = motorConfig->ioTags[motorIndex];
if (!tag) {
break;
}
const timerHardware_t *timerHardware = timerGetByTag(tag, TIM_USE_ANY);
if (timerHardware == NULL) {
/* flag failure and disable ability to arm */
break;
}
motors[motorIndex].io = IOGetByTag(tag);
#ifdef USE_DSHOT
if (isDigital) {
pwmDigitalMotorHardwareConfig(timerHardware, motorIndex, motorConfig->motorPwmProtocol);
motors[motorIndex].pwmWritePtr = pwmWriteDigital;
motors[motorIndex].enabled = true;
continue;
}
#endif
IOInit(motors[motorIndex].io, OWNER_MOTOR, RESOURCE_INDEX(motorIndex));
IOConfigGPIO(motors[motorIndex].io, IOCFG_AF_PP);
motors[motorIndex].pwmWritePtr = pwmWritePtr;
if (useUnsyncedPwm) {
const uint32_t hz = timerMhzCounter * 1000000;
pwmOutConfig(&motors[motorIndex], timerHardware, timerMhzCounter, hz / motorConfig->motorPwmRate, idlePulse);
} else {
pwmOutConfig(&motors[motorIndex], timerHardware, timerMhzCounter, 0xFFFF, 0);
}
motors[motorIndex].enabled = true;
}
}
void adcInit(const adcConfig_t *config)
{
uint8_t i;
uint8_t configuredAdcChannels = 0;
memset(&adcOperatingConfig, 0, sizeof(adcOperatingConfig));
if (config->vbat.enabled) {
adcOperatingConfig[ADC_BATTERY].tag = config->vbat.ioTag;
}
if (config->rssi.enabled) {
adcOperatingConfig[ADC_RSSI].tag = config->rssi.ioTag; //RSSI_ADC_CHANNEL;
}
if (config->external1.enabled) {
adcOperatingConfig[ADC_EXTERNAL1].tag = config->external1.ioTag; //EXTERNAL1_ADC_CHANNEL;
}
if (config->current.enabled) {
adcOperatingConfig[ADC_CURRENT].tag = config->current.ioTag; //CURRENT_METER_ADC_CHANNEL;
}
ADCDevice device = adcDeviceByInstance(ADC_INSTANCE);
if (device == ADCINVALID)
return;
adcDevice_t adc = adcHardware[device];
bool adcActive = false;
for (int i = 0; i < ADC_CHANNEL_COUNT; i++) {
if (!adcVerifyPin(adcOperatingConfig[i].tag, device)) {
continue;
}
adcActive = true;
IOInit(IOGetByTag(adcOperatingConfig[i].tag), OWNER_ADC_BATT + i, 0);
IOConfigGPIO(IOGetByTag(adcOperatingConfig[i].tag), IO_CONFIG(GPIO_MODE_ANALOG, 0, GPIO_NOPULL));
adcOperatingConfig[i].adcChannel = adcChannelByTag(adcOperatingConfig[i].tag);
adcOperatingConfig[i].dmaIndex = configuredAdcChannels++;
adcOperatingConfig[i].sampleTime = ADC_SAMPLETIME_480CYCLES;
adcOperatingConfig[i].enabled = true;
}
if (!adcActive) {
return;
}
RCC_ClockCmd(adc.rccADC, ENABLE);
dmaInit(dmaGetIdentifier(adc.DMAy_Streamx), OWNER_ADC, 0);
adc.ADCHandle.Init.ClockPrescaler = ADC_CLOCK_SYNC_PCLK_DIV8;
adc.ADCHandle.Init.ContinuousConvMode = ENABLE;
adc.ADCHandle.Init.Resolution = ADC_RESOLUTION_12B;
adc.ADCHandle.Init.ExternalTrigConv = ADC_EXTERNALTRIGCONV_T1_CC1;
adc.ADCHandle.Init.ExternalTrigConvEdge = ADC_EXTERNALTRIGCONVEDGE_NONE;
adc.ADCHandle.Init.DataAlign = ADC_DATAALIGN_RIGHT;
adc.ADCHandle.Init.NbrOfConversion = configuredAdcChannels;
adc.ADCHandle.Init.ScanConvMode = configuredAdcChannels > 1 ? ENABLE : DISABLE; // 1=scan more that one channel in group
adc.ADCHandle.Init.DiscontinuousConvMode = DISABLE;
adc.ADCHandle.Init.NbrOfDiscConversion = 0;
adc.ADCHandle.Init.DMAContinuousRequests = ENABLE;
adc.ADCHandle.Init.EOCSelection = DISABLE;
adc.ADCHandle.Instance = adc.ADCx;
/*##-1- Configure the ADC peripheral #######################################*/
if (HAL_ADC_Init(&adc.ADCHandle) != HAL_OK)
{
/* Initialization Error */
}
adc.DmaHandle.Init.Channel = adc.channel;
adc.DmaHandle.Init.Direction = DMA_PERIPH_TO_MEMORY;
adc.DmaHandle.Init.PeriphInc = DMA_PINC_DISABLE;
adc.DmaHandle.Init.MemInc = configuredAdcChannels > 1 ? DMA_MINC_ENABLE : DMA_MINC_DISABLE;
adc.DmaHandle.Init.PeriphDataAlignment = DMA_PDATAALIGN_HALFWORD;
adc.DmaHandle.Init.MemDataAlignment = DMA_MDATAALIGN_HALFWORD;
adc.DmaHandle.Init.Mode = DMA_CIRCULAR;
adc.DmaHandle.Init.Priority = DMA_PRIORITY_HIGH;
adc.DmaHandle.Init.FIFOMode = DMA_FIFOMODE_DISABLE;
adc.DmaHandle.Init.FIFOThreshold = DMA_FIFO_THRESHOLD_FULL;
adc.DmaHandle.Init.MemBurst = DMA_MBURST_SINGLE;
adc.DmaHandle.Init.PeriphBurst = DMA_PBURST_SINGLE;
adc.DmaHandle.Instance = adc.DMAy_Streamx;
/*##-2- Initialize the DMA stream ##########################################*/
if (HAL_DMA_Init(&adc.DmaHandle) != HAL_OK)
{
/* Initialization Error */
}
__HAL_LINKDMA(&adc.ADCHandle, DMA_Handle, adc.DmaHandle);
uint8_t rank = 1;
for (i = 0; i < ADC_CHANNEL_COUNT; i++) {
if (!adcOperatingConfig[i].enabled) {
continue;
}
ADC_ChannelConfTypeDef sConfig;
sConfig.Channel = adcOperatingConfig[i].adcChannel;
sConfig.Rank = rank++;
sConfig.SamplingTime = adcOperatingConfig[i].sampleTime;
sConfig.Offset = 0;
/*##-3- Configure ADC regular channel ######################################*/
if (HAL_ADC_ConfigChannel(&adc.ADCHandle, &sConfig) != HAL_OK)
{
/* Channel Configuration Error */
}
}
//HAL_CLEANINVALIDATECACHE((uint32_t*)&adcValues, configuredAdcChannels);
/*##-4- Start the conversion process #######################################*/
if (HAL_ADC_Start_DMA(&adc.ADCHandle, (uint32_t*)&adcValues, configuredAdcChannels) != HAL_OK)
{
/* Start Conversation Error */
}
}
void i2cInit(I2CDevice device)
{
if (device == I2CINVALID) {
return;
}
i2cDevice_t *pDev = &i2cDevice[device];
const i2cHardware_t *hardware = pDev->hardware;
if (!hardware) {
return;
}
IO_t scl = pDev->scl;
IO_t sda = pDev->sda;
IOInit(scl, OWNER_I2C_SCL, RESOURCE_INDEX(device));
IOInit(sda, OWNER_I2C_SDA, RESOURCE_INDEX(device));
// Enable RCC
RCC_ClockCmd(hardware->rcc, ENABLE);
i2cUnstick(scl, sda);
// Init pins
#ifdef STM32F7
IOConfigGPIOAF(scl, pDev->pullUp ? IOCFG_I2C_PU : IOCFG_I2C, GPIO_AF4_I2C);
IOConfigGPIOAF(sda, pDev->pullUp ? IOCFG_I2C_PU : IOCFG_I2C, GPIO_AF4_I2C);
#else
IOConfigGPIO(scl, IOCFG_AF_OD);
IOConfigGPIO(sda, IOCFG_AF_OD);
#endif
// Init I2C peripheral
I2C_HandleTypeDef *pHandle = &pDev->handle;
memset(pHandle, 0, sizeof(*pHandle));
pHandle->Instance = pDev->hardware->reg;
/// TODO: HAL check if I2C timing is correct
if (pDev->overClock) {
// 800khz Maximum speed tested on various boards without issues
pHandle->Init.Timing = 0x00500D1D;
} else {
pHandle->Init.Timing = 0x00500C6F;
}
pHandle->Init.OwnAddress1 = 0x0;
pHandle->Init.AddressingMode = I2C_ADDRESSINGMODE_7BIT;
pHandle->Init.DualAddressMode = I2C_DUALADDRESS_DISABLE;
pHandle->Init.OwnAddress2 = 0x0;
pHandle->Init.GeneralCallMode = I2C_GENERALCALL_DISABLE;
pHandle->Init.NoStretchMode = I2C_NOSTRETCH_DISABLE;
HAL_I2C_Init(pHandle);
// Enable the Analog I2C Filter
HAL_I2CEx_ConfigAnalogFilter(pHandle, I2C_ANALOGFILTER_ENABLE);
// Setup interrupt handlers
HAL_NVIC_SetPriority(hardware->er_irq, NVIC_PRIORITY_BASE(NVIC_PRIO_I2C_ER), NVIC_PRIORITY_SUB(NVIC_PRIO_I2C_ER));
HAL_NVIC_EnableIRQ(hardware->er_irq);
HAL_NVIC_SetPriority(hardware->ev_irq, NVIC_PRIORITY_BASE(NVIC_PRIO_I2C_EV), NVIC_PRIORITY_SUB(NVIC_PRIO_I2C_EV));
HAL_NVIC_EnableIRQ(hardware->ev_irq);
}
void adcInit(drv_adc_config_t *init)
{
#if !defined(VBAT_ADC_PIN) && !defined(EXTERNAL1_ADC_PIN) && !defined(RSSI_ADC_PIN) && !defined(CURRENT_METER_ADC_PIN)
UNUSED(init);
#endif
uint8_t configuredAdcChannels = 0;
memset(&adcConfig, 0, sizeof(adcConfig));
#ifdef VBAT_ADC_PIN
if (init->enableVBat) {
adcConfig[ADC_BATTERY].tag = IO_TAG(VBAT_ADC_PIN);
}
#endif
#ifdef RSSI_ADC_PIN
if (init->enableRSSI) {
adcConfig[ADC_RSSI].tag = IO_TAG(RSSI_ADC_PIN);
}
#endif
#ifdef EXTERNAL1_ADC_PIN
if (init->enableExternal1) {
adcConfig[ADC_EXTERNAL1].tag = IO_TAG(EXTERNAL1_ADC_PIN);
}
#endif
#ifdef CURRENT_METER_ADC_PIN
if (init->enableCurrentMeter) {
adcConfig[ADC_CURRENT].tag = IO_TAG(CURRENT_METER_ADC_PIN);
}
#endif
ADCDevice device = adcDeviceByInstance(ADC_INSTANCE);
if (device == ADCINVALID)
return;
const adcDevice_t adc = adcHardware[device];
for (int i = 0; i < ADC_CHANNEL_COUNT; i++) {
if (!adcConfig[i].tag)
continue;
IOInit(IOGetByTag(adcConfig[i].tag), OWNER_ADC, RESOURCE_ADC_BATTERY+i, 0);
IOConfigGPIO(IOGetByTag(adcConfig[i].tag), IO_CONFIG(GPIO_Mode_AIN, 0));
adcConfig[i].adcChannel = adcChannelByTag(adcConfig[i].tag);
adcConfig[i].dmaIndex = configuredAdcChannels++;
adcConfig[i].sampleTime = ADC_SampleTime_239Cycles5;
adcConfig[i].enabled = true;
}
RCC_ADCCLKConfig(RCC_PCLK2_Div8); // 9MHz from 72MHz APB2 clock(HSE), 8MHz from 64MHz (HSI)
RCC_ClockCmd(adc.rccADC, ENABLE);
RCC_ClockCmd(adc.rccDMA, ENABLE);
DMA_DeInit(adc.DMAy_Channelx);
DMA_InitTypeDef DMA_InitStructure;
DMA_StructInit(&DMA_InitStructure);
DMA_InitStructure.DMA_PeripheralBaseAddr = (uint32_t)&adc.ADCx->DR;
DMA_InitStructure.DMA_MemoryBaseAddr = (uint32_t)adcValues;
DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralSRC;
DMA_InitStructure.DMA_BufferSize = configuredAdcChannels;
DMA_InitStructure.DMA_PeripheralInc = DMA_PeripheralInc_Disable;
DMA_InitStructure.DMA_MemoryInc = configuredAdcChannels > 1 ? DMA_MemoryInc_Enable : DMA_MemoryInc_Disable;
DMA_InitStructure.DMA_PeripheralDataSize = DMA_PeripheralDataSize_HalfWord;
DMA_InitStructure.DMA_MemoryDataSize = DMA_MemoryDataSize_HalfWord;
DMA_InitStructure.DMA_Mode = DMA_Mode_Circular;
DMA_InitStructure.DMA_Priority = DMA_Priority_High;
DMA_InitStructure.DMA_M2M = DMA_M2M_Disable;
DMA_Init(adc.DMAy_Channelx, &DMA_InitStructure);
DMA_Cmd(adc.DMAy_Channelx, ENABLE);
ADC_InitTypeDef ADC_InitStructure;
ADC_StructInit(&ADC_InitStructure);
ADC_InitStructure.ADC_Mode = ADC_Mode_Independent;
ADC_InitStructure.ADC_ScanConvMode = configuredAdcChannels > 1 ? ENABLE : DISABLE;
ADC_InitStructure.ADC_ContinuousConvMode = ENABLE;
ADC_InitStructure.ADC_ExternalTrigConv = ADC_ExternalTrigConv_None;
ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right;
ADC_InitStructure.ADC_NbrOfChannel = configuredAdcChannels;
ADC_Init(adc.ADCx, &ADC_InitStructure);
uint8_t rank = 1;
for (int i = 0; i < ADC_CHANNEL_COUNT; i++) {
if (!adcConfig[i].enabled) {
continue;
}
ADC_RegularChannelConfig(adc.ADCx, adcConfig[i].adcChannel, rank++, adcConfig[i].sampleTime);
}
ADC_DMACmd(adc.ADCx, ENABLE);
ADC_Cmd(adc.ADCx, ENABLE);
ADC_ResetCalibration(adc.ADCx);
while (ADC_GetResetCalibrationStatus(adc.ADCx));
ADC_StartCalibration(adc.ADCx);
while (ADC_GetCalibrationStatus(adc.ADCx));
ADC_SoftwareStartConvCmd(adc.ADCx, ENABLE);
}
void max7456_init(uint8_t video_system)
{
uint8_t max_screen_rows;
uint8_t srdata = 0;
uint16_t x;
#ifdef MAX7456_SPI_CS_PIN
max7456CsPin = IOGetByTag(IO_TAG(MAX7456_SPI_CS_PIN));
#endif
IOInit(max7456CsPin, OWNER_OSD, RESOURCE_SPI_CS, 0);
IOConfigGPIO(max7456CsPin, SPI_IO_CS_CFG);
//Minimum spi clock period for max7456 is 100ns (10Mhz)
spiSetDivisor(MAX7456_SPI_INSTANCE, SPI_CLOCK_STANDARD);
delay(1000);
// force soft reset on Max7456
ENABLE_MAX7456;
max7456_send(VM0_REG, MAX7456_RESET);
delay(100);
srdata = max7456_send(0xA0, 0xFF);
if ((0x01 & srdata) == 0x01) { //PAL
video_signal_type = VIDEO_MODE_PAL;
}
else if ((0x02 & srdata) == 0x02) { //NTSC
video_signal_type = VIDEO_MODE_NTSC;
}
// Override detected type: 0-AUTO, 1-PAL, 2-NTSC
switch(video_system) {
case PAL:
video_signal_type = VIDEO_MODE_PAL;
break;
case NTSC:
video_signal_type = VIDEO_MODE_NTSC;
break;
}
if (video_signal_type) { //PAL
max_screen_size = VIDEO_BUFFER_CHARS_PAL;
max_screen_rows = VIDEO_LINES_PAL;
} else { // NTSC
max_screen_size = VIDEO_BUFFER_CHARS_NTSC;
max_screen_rows = VIDEO_LINES_NTSC;
}
// set all rows to same charactor black/white level
for(x = 0; x < max_screen_rows; x++) {
max7456_send(MAX7456ADD_RB0 + x, BWBRIGHTNESS);
}
// make sure the Max7456 is enabled
max7456_send(VM0_REG, OSD_ENABLE | video_signal_type);
DISABLE_MAX7456;
delay(100);
for (x = 0; x < max_screen_size; x++)
SCREEN_BUFFER[x] = MAX7456_CHAR(' ');
#ifdef MAX7456_DMA_CHANNEL_TX
max7456_screen[0] = (uint16_t)(MAX7456ADD_DMAH | (0 << 8));
max7456_screen[1] = (uint16_t)(MAX7456ADD_DMAL | (0 << 8));
max7456_screen[2] = (uint16_t)(MAX7456ADD_DMM | (1 << 8));
max7456_screen[max_screen_size + 3] = (uint16_t)(MAX7456ADD_DMDI | (0xFF << 8));
max7456_screen[max_screen_size + 4] = (uint16_t)(MAX7456ADD_DMM | (0 << 8));
dmaSetHandler(MAX7456_DMA_IRQ_HANDLER_ID, max7456_dma_irq_handler, NVIC_PRIO_MAX7456_DMA, 0);
#endif
}
void adcInit(adcConfig_t *config)
{
ADC_InitTypeDef ADC_InitStructure;
DMA_InitTypeDef DMA_InitStructure;
uint8_t i;
uint8_t configuredAdcChannels = 0;
memset(&adcOperatingConfig, 0, sizeof(adcOperatingConfig));
if (config->vbat.enabled) {
adcOperatingConfig[ADC_BATTERY].tag = config->vbat.ioTag;
}
if (config->rssi.enabled) {
adcOperatingConfig[ADC_RSSI].tag = config->rssi.ioTag; //RSSI_ADC_CHANNEL;
}
if (config->external1.enabled) {
adcOperatingConfig[ADC_EXTERNAL1].tag = config->external1.ioTag; //EXTERNAL1_ADC_CHANNEL;
}
if (config->currentMeter.enabled) {
adcOperatingConfig[ADC_CURRENT].tag = config->currentMeter.ioTag; //CURRENT_METER_ADC_CHANNEL;
}
ADCDevice device = adcDeviceByInstance(ADC_INSTANCE);
if (device == ADCINVALID)
return;
adcDevice_t adc = adcHardware[device];
bool adcActive = false;
for (int i = 0; i < ADC_CHANNEL_COUNT; i++) {
if (!adcOperatingConfig[i].tag)
continue;
adcActive = true;
IOInit(IOGetByTag(adcOperatingConfig[i].tag), OWNER_ADC_BATT + i, 0);
IOConfigGPIO(IOGetByTag(adcOperatingConfig[i].tag), IO_CONFIG(GPIO_Mode_AN, 0, GPIO_OType_OD, GPIO_PuPd_NOPULL));
adcOperatingConfig[i].adcChannel = adcChannelByTag(adcOperatingConfig[i].tag);
adcOperatingConfig[i].dmaIndex = configuredAdcChannels++;
adcOperatingConfig[i].sampleTime = ADC_SampleTime_480Cycles;
adcOperatingConfig[i].enabled = true;
}
if (!adcActive) {
return;
}
RCC_ClockCmd(adc.rccADC, ENABLE);
dmaInit(dmaGetIdentifier(adc.DMAy_Streamx), OWNER_ADC, 0);
DMA_DeInit(adc.DMAy_Streamx);
DMA_StructInit(&DMA_InitStructure);
DMA_InitStructure.DMA_PeripheralBaseAddr = (uint32_t)&adc.ADCx->DR;
DMA_InitStructure.DMA_Channel = adc.channel;
DMA_InitStructure.DMA_Memory0BaseAddr = (uint32_t)adcValues;
DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralToMemory;
DMA_InitStructure.DMA_BufferSize = configuredAdcChannels;
DMA_InitStructure.DMA_PeripheralInc = DMA_PeripheralInc_Disable;
DMA_InitStructure.DMA_MemoryInc = configuredAdcChannels > 1 ? DMA_MemoryInc_Enable : DMA_MemoryInc_Disable;
DMA_InitStructure.DMA_PeripheralDataSize = DMA_PeripheralDataSize_HalfWord;
DMA_InitStructure.DMA_MemoryDataSize = DMA_MemoryDataSize_HalfWord;
DMA_InitStructure.DMA_Mode = DMA_Mode_Circular;
DMA_InitStructure.DMA_Priority = DMA_Priority_High;
DMA_Init(adc.DMAy_Streamx, &DMA_InitStructure);
DMA_Cmd(adc.DMAy_Streamx, ENABLE);
ADC_CommonInitTypeDef ADC_CommonInitStructure;
ADC_CommonStructInit(&ADC_CommonInitStructure);
ADC_CommonInitStructure.ADC_Mode = ADC_Mode_Independent;
ADC_CommonInitStructure.ADC_Prescaler = ADC_Prescaler_Div8;
ADC_CommonInitStructure.ADC_DMAAccessMode = ADC_DMAAccessMode_Disabled;
ADC_CommonInitStructure.ADC_TwoSamplingDelay = ADC_TwoSamplingDelay_5Cycles;
ADC_CommonInit(&ADC_CommonInitStructure);
ADC_StructInit(&ADC_InitStructure);
ADC_InitStructure.ADC_ContinuousConvMode = ENABLE;
ADC_InitStructure.ADC_Resolution = ADC_Resolution_12b;
ADC_InitStructure.ADC_ExternalTrigConv = ADC_ExternalTrigConv_T1_CC1;
ADC_InitStructure.ADC_ExternalTrigConvEdge = ADC_ExternalTrigConvEdge_None;
ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right;
ADC_InitStructure.ADC_NbrOfConversion = configuredAdcChannels;
ADC_InitStructure.ADC_ScanConvMode = configuredAdcChannels > 1 ? ENABLE : DISABLE; // 1=scan more that one channel in group
ADC_Init(adc.ADCx, &ADC_InitStructure);
uint8_t rank = 1;
for (i = 0; i < ADC_CHANNEL_COUNT; i++) {
if (!adcOperatingConfig[i].enabled) {
continue;
}
ADC_RegularChannelConfig(adc.ADCx, adcOperatingConfig[i].adcChannel, rank++, adcOperatingConfig[i].sampleTime);
}
ADC_DMARequestAfterLastTransferCmd(adc.ADCx, ENABLE);
ADC_DMACmd(adc.ADCx, ENABLE);
ADC_Cmd(adc.ADCx, ENABLE);
ADC_SoftwareStartConv(adc.ADCx);
}
void adcInit(drv_adc_config_t *init)
{
uint8_t i;
uint8_t configuredAdcChannels = 0;
memset(&adcConfig, 0, sizeof(adcConfig));
#ifdef VBAT_ADC_PIN
if (init->enableVBat) {
adcConfig[ADC_BATTERY].tag = IO_TAG(VBAT_ADC_PIN); //VBAT_ADC_CHANNEL;
}
#endif
#ifdef RSSI_ADC_PIN
if (init->enableRSSI) {
adcConfig[ADC_RSSI].tag = IO_TAG(RSSI_ADC_PIN); //RSSI_ADC_CHANNEL;
}
#endif
#ifdef EXTERNAL1_ADC_PIN
if (init->enableExternal1) {
adcConfig[ADC_EXTERNAL1].tag = IO_TAG(EXTERNAL1_ADC_PIN); //EXTERNAL1_ADC_CHANNEL;
}
#endif
#ifdef CURRENT_METER_ADC_PIN
if (init->enableCurrentMeter) {
adcConfig[ADC_CURRENT].tag = IO_TAG(CURRENT_METER_ADC_PIN); //CURRENT_METER_ADC_CHANNEL;
}
#endif
__HAL_RCC_DMA2_CLK_ENABLE();
__HAL_RCC_ADC1_CLK_ENABLE();
AdcHandle_1.Instance = ADC1;
AdcHandle_1.Init.ClockPrescaler = ADC_CLOCKPRESCALER_PCLK_DIV8;
AdcHandle_1.Init.Resolution = ADC_RESOLUTION_12B;
AdcHandle_1.Init.ScanConvMode = configuredAdcChannels > 1 ? ENABLE : DISABLE;
AdcHandle_1.Init.ContinuousConvMode = ENABLE;
AdcHandle_1.Init.DiscontinuousConvMode = DISABLE;
AdcHandle_1.Init.NbrOfDiscConversion = 0;
AdcHandle_1.Init.ExternalTrigConvEdge = ADC_EXTERNALTRIGCONVEDGE_NONE; /* Conversion start trigged at each external event */
AdcHandle_1.Init.ExternalTrigConv = ADC_EXTERNALTRIGCONV_T1_CC1;
AdcHandle_1.Init.DataAlign = ADC_DATAALIGN_RIGHT;
AdcHandle_1.Init.NbrOfConversion = configuredAdcChannels;
AdcHandle_1.Init.DMAContinuousRequests = ENABLE;
AdcHandle_1.Init.EOCSelection = DISABLE;
HAL_ADC_Init(&AdcHandle_1);
hdma_adc_1.Instance = MCU_ADC1_DMA_STREAM;
hdma_adc_1.Init.Channel = MCU_ADC1_DMA_CHANNEL;
hdma_adc_1.Init.Direction = DMA_PERIPH_TO_MEMORY;
hdma_adc_1.Init.PeriphInc = DMA_PINC_DISABLE;
hdma_adc_1.Init.MemInc = configuredAdcChannels > 1 ? DMA_MINC_ENABLE : DMA_MINC_DISABLE;;
hdma_adc_1.Init.PeriphDataAlignment = DMA_PDATAALIGN_HALFWORD;
hdma_adc_1.Init.MemDataAlignment = DMA_MDATAALIGN_HALFWORD;
hdma_adc_1.Init.Mode = DMA_CIRCULAR;
hdma_adc_1.Init.Priority = DMA_PRIORITY_HIGH;
hdma_adc_1.Init.FIFOMode = DMA_FIFOMODE_DISABLE;
hdma_adc_1.Init.FIFOThreshold = DMA_FIFO_THRESHOLD_HALFFULL;
hdma_adc_1.Init.MemBurst = DMA_MBURST_SINGLE;
hdma_adc_1.Init.PeriphBurst = DMA_PBURST_SINGLE;
HAL_DMA_Init(&hdma_adc_1);
/* Associate the initialized DMA handle to the ADC handle */
__HAL_LINKDMA(&AdcHandle_1, DMA_Handle, hdma_adc_1);
/* NVIC configuration for DMA transfer complete interrupt */
// HAL_NVIC_SetPriority(MCU_ADC1_DMA_STREAM_IRQn, NVIC_PRIORITY_BASE(NVIC_PRIO_ADC1_DMA), NVIC_PRIORITY_SUB(NVIC_PRIO_ADC1_DMA));
// HAL_NVIC_EnableIRQ(MCU_ADC1_DMA_STREAM_IRQn);
uint8_t rank = 1;
for (i = 0; i < ADC_CHANNEL_COUNT; i++)
{
if (!adcConfig[i].enabled) {
continue;
}
IOInit(IOGetByTag(adcConfig[i].tag), OWNER_ADC, RESOURCE_ADC_BATTERY + i, 0);
IOConfigGPIO(IOGetByTag(adcConfig[i].tag), IO_CONFIG(GPIO_Mode_AN, 0, GPIO_OType_OD, GPIO_PuPd_NOPULL));
ADC_ChannelConfTypeDef sConfig;
sConfig.Channel = adcChannelByTag(adcConfig[i].tag);
sConfig.Rank = rank++;
sConfig.SamplingTime = ADC_SAMPLETIME_480CYCLES;
sConfig.Offset = 0;
HAL_ADC_ConfigChannel(&AdcHandle_1, &sConfig);
}
HAL_ADC_Start_DMA(&AdcHandle_1, (uint32_t*)&adcValues, configuredAdcChannels);
}
void pwmDshotMotorHardwareConfig(const timerHardware_t *timerHardware, uint8_t motorIndex, motorPwmProtocolTypes_e pwmProtocolType, uint8_t output)
{
motorDmaOutput_t * const motor = &dmaMotors[motorIndex];
motor->timerHardware = timerHardware;
TIM_TypeDef *timer = timerHardware->tim;
const IO_t motorIO = IOGetByTag(timerHardware->tag);
const uint8_t timerIndex = getTimerIndex(timer);
IOInit(motorIO, OWNER_MOTOR, RESOURCE_INDEX(motorIndex));
IOConfigGPIOAF(motorIO, IO_CONFIG(GPIO_MODE_AF_PP, GPIO_SPEED_FREQ_VERY_HIGH, GPIO_PULLUP), timerHardware->alternateFunction);
__DMA1_CLK_ENABLE();
RCC_ClockCmd(timerRCC(timer), ENABLE);
motor->TimHandle.Instance = timerHardware->tim;
motor->TimHandle.Init.Prescaler = (timerClock(timer) / getDshotHz(pwmProtocolType)) - 1;
motor->TimHandle.Init.Period = pwmProtocolType == PWM_TYPE_PROSHOT1000 ? MOTOR_NIBBLE_LENGTH_PROSHOT : MOTOR_BITLENGTH;
motor->TimHandle.Init.RepetitionCounter = 0;
motor->TimHandle.Init.ClockDivision = TIM_CLOCKDIVISION_DIV1;
motor->TimHandle.Init.CounterMode = TIM_COUNTERMODE_UP;
motor->TimHandle.Init.AutoReloadPreload = TIM_AUTORELOAD_PRELOAD_DISABLE;
if (HAL_TIM_PWM_Init(&motor->TimHandle) != HAL_OK) {
/* Initialization Error */
return;
}
motor->timerDmaSource = timerDmaSource(timerHardware->channel);
dmaMotorTimers[timerIndex].timerDmaSources |= motor->timerDmaSource;
/* Set the parameters to be configured */
motor->hdma_tim.Init.Channel = timerHardware->dmaChannel;
motor->hdma_tim.Init.Direction = DMA_MEMORY_TO_PERIPH;
motor->hdma_tim.Init.PeriphInc = DMA_PINC_DISABLE;
motor->hdma_tim.Init.MemInc = DMA_MINC_ENABLE;
motor->hdma_tim.Init.PeriphDataAlignment = DMA_PDATAALIGN_WORD;
motor->hdma_tim.Init.MemDataAlignment = DMA_MDATAALIGN_WORD;
motor->hdma_tim.Init.Mode = DMA_NORMAL;
motor->hdma_tim.Init.Priority = DMA_PRIORITY_HIGH;
motor->hdma_tim.Init.FIFOMode = DMA_FIFOMODE_DISABLE;
motor->hdma_tim.Init.FIFOThreshold = DMA_FIFO_THRESHOLD_FULL;
motor->hdma_tim.Init.MemBurst = DMA_MBURST_SINGLE;
motor->hdma_tim.Init.PeriphBurst = DMA_PBURST_SINGLE;
/* Set hdma_tim instance */
if (timerHardware->dmaRef == NULL) {
/* Initialization Error */
return;
}
motor->hdma_tim.Instance = timerHardware->dmaRef;
/* Link hdma_tim to hdma[x] (channelx) */
__HAL_LINKDMA(&motor->TimHandle, hdma[motor->timerDmaSource], motor->hdma_tim);
dmaInit(timerHardware->dmaIrqHandler, OWNER_MOTOR, RESOURCE_INDEX(motorIndex));
dmaSetHandler(timerHardware->dmaIrqHandler, motor_DMA_IRQHandler, NVIC_BUILD_PRIORITY(1, 2), motorIndex);
/* Initialize TIMx DMA handle */
if (HAL_DMA_Init(motor->TimHandle.hdma[motor->timerDmaSource]) != HAL_OK) {
/* Initialization Error */
return;
}
TIM_OC_InitTypeDef TIM_OCInitStructure;
/* PWM1 Mode configuration: Channel1 */
TIM_OCInitStructure.OCMode = TIM_OCMODE_PWM1;
if (output & TIMER_OUTPUT_N_CHANNEL) {
TIM_OCInitStructure.OCIdleState = TIM_OCIDLESTATE_RESET;
TIM_OCInitStructure.OCPolarity = (output & TIMER_OUTPUT_INVERTED) ? TIM_OCPOLARITY_HIGH : TIM_OCPOLARITY_LOW;
TIM_OCInitStructure.OCNIdleState = TIM_OCNIDLESTATE_RESET;
TIM_OCInitStructure.OCNPolarity = (output & TIMER_OUTPUT_INVERTED) ? TIM_OCNPOLARITY_HIGH : TIM_OCNPOLARITY_LOW;
} else {
TIM_OCInitStructure.OCIdleState = TIM_OCIDLESTATE_SET;
TIM_OCInitStructure.OCPolarity = (output & TIMER_OUTPUT_INVERTED) ? TIM_OCPOLARITY_LOW : TIM_OCPOLARITY_HIGH;
TIM_OCInitStructure.OCNIdleState = TIM_OCNIDLESTATE_SET;
TIM_OCInitStructure.OCNPolarity = (output & TIMER_OUTPUT_INVERTED) ? TIM_OCNPOLARITY_LOW : TIM_OCNPOLARITY_HIGH;
}
TIM_OCInitStructure.OCFastMode = TIM_OCFAST_DISABLE;
TIM_OCInitStructure.Pulse = 0;
if (HAL_TIM_PWM_ConfigChannel(&motor->TimHandle, &TIM_OCInitStructure, motor->timerHardware->channel) != HAL_OK) {
/* Configuration Error */
return;
}
}
void pwmDigitalMotorHardwareConfig(const timerHardware_t *timerHardware, uint8_t motorIndex, motorPwmProtocolTypes_e pwmProtocolType)
{
TIM_OCInitTypeDef TIM_OCInitStructure;
DMA_InitTypeDef DMA_InitStructure;
motorDmaOutput_t * const motor = &dmaMotors[motorIndex];
motor->timerHardware = timerHardware;
TIM_TypeDef *timer = timerHardware->tim;
const IO_t motorIO = IOGetByTag(timerHardware->tag);
const uint8_t timerIndex = getTimerIndex(timer);
const bool configureTimer = (timerIndex == dmaMotorTimerCount-1);
IOInit(motorIO, OWNER_MOTOR, RESOURCE_INDEX(motorIndex));
IOConfigGPIOAF(motorIO, IO_CONFIG(GPIO_Mode_AF, GPIO_Speed_50MHz, GPIO_OType_PP, GPIO_PuPd_UP), timerHardware->alternateFunction);
if (configureTimer) {
TIM_TimeBaseInitTypeDef TIM_TimeBaseStructure;
TIM_TimeBaseStructInit(&TIM_TimeBaseStructure);
RCC_ClockCmd(timerRCC(timer), ENABLE);
TIM_Cmd(timer, DISABLE);
uint32_t hz;
switch (pwmProtocolType) {
case(PWM_TYPE_DSHOT600):
hz = MOTOR_DSHOT600_MHZ * 1000000;
break;
case(PWM_TYPE_DSHOT300):
hz = MOTOR_DSHOT300_MHZ * 1000000;
break;
default:
case(PWM_TYPE_DSHOT150):
hz = MOTOR_DSHOT150_MHZ * 1000000;
}
TIM_TimeBaseStructure.TIM_Prescaler = (uint16_t)((SystemCoreClock / timerClockDivisor(timer) / hz) - 1);
TIM_TimeBaseStructure.TIM_Period = MOTOR_BITLENGTH;
TIM_TimeBaseStructure.TIM_ClockDivision = TIM_CKD_DIV1;
TIM_TimeBaseStructure.TIM_RepetitionCounter = 0;
TIM_TimeBaseStructure.TIM_CounterMode = TIM_CounterMode_Up;
TIM_TimeBaseInit(timer, &TIM_TimeBaseStructure);
}
TIM_OCStructInit(&TIM_OCInitStructure);
TIM_OCInitStructure.TIM_OCMode = TIM_OCMode_PWM1;
if (timerHardware->output & TIMER_OUTPUT_N_CHANNEL) {
TIM_OCInitStructure.TIM_OutputNState = TIM_OutputNState_Enable;
TIM_OCInitStructure.TIM_OCNIdleState = TIM_OCNIdleState_Reset;
TIM_OCInitStructure.TIM_OCNPolarity = (timerHardware->output & TIMER_OUTPUT_INVERTED) ? TIM_OCNPolarity_Low : TIM_OCNPolarity_High;
} else {
TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Enable;
TIM_OCInitStructure.TIM_OCIdleState = TIM_OCIdleState_Set;
TIM_OCInitStructure.TIM_OCPolarity = (timerHardware->output & TIMER_OUTPUT_INVERTED) ? TIM_OCPolarity_Low : TIM_OCPolarity_High;
}
TIM_OCInitStructure.TIM_Pulse = 0;
timerOCInit(timer, timerHardware->channel, &TIM_OCInitStructure);
timerOCPreloadConfig(timer, timerHardware->channel, TIM_OCPreload_Enable);
motor->timerDmaSource = timerDmaSource(timerHardware->channel);
dmaMotorTimers[timerIndex].timerDmaSources |= motor->timerDmaSource;
TIM_CCxCmd(timer, timerHardware->channel, TIM_CCx_Enable);
if (configureTimer) {
TIM_CtrlPWMOutputs(timer, ENABLE);
TIM_ARRPreloadConfig(timer, ENABLE);
TIM_Cmd(timer, ENABLE);
}
DMA_Channel_TypeDef *channel = timerHardware->dmaChannel;
if (channel == NULL) {
/* trying to use a non valid channel */
return;
}
dmaInit(timerHardware->dmaIrqHandler, OWNER_MOTOR, RESOURCE_INDEX(motorIndex));
dmaSetHandler(timerHardware->dmaIrqHandler, motor_DMA_IRQHandler, NVIC_BUILD_PRIORITY(1, 2), motorIndex);
DMA_Cmd(channel, DISABLE);
DMA_DeInit(channel);
DMA_StructInit(&DMA_InitStructure);
DMA_InitStructure.DMA_PeripheralBaseAddr = (uint32_t)timerChCCR(timerHardware);
DMA_InitStructure.DMA_MemoryBaseAddr = (uint32_t)motor->dmaBuffer;
DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralDST;
DMA_InitStructure.DMA_BufferSize = MOTOR_DMA_BUFFER_SIZE;
DMA_InitStructure.DMA_PeripheralInc = DMA_PeripheralInc_Disable;
DMA_InitStructure.DMA_MemoryInc = DMA_MemoryInc_Enable;
DMA_InitStructure.DMA_PeripheralDataSize = DMA_PeripheralDataSize_Word;
DMA_InitStructure.DMA_MemoryDataSize = DMA_MemoryDataSize_Word;
DMA_InitStructure.DMA_Mode = DMA_Mode_Normal;
DMA_InitStructure.DMA_Priority = DMA_Priority_High;
DMA_InitStructure.DMA_M2M = DMA_M2M_Disable;
DMA_Init(channel, &DMA_InitStructure);
DMA_ITConfig(channel, DMA_IT_TC, ENABLE);
}
void adcInit(drv_adc_config_t *init)
{
ADC_InitTypeDef ADC_InitStructure;
DMA_InitTypeDef DMA_InitStructure;
uint8_t i;
uint8_t adcChannelCount = 0;
memset(&adcConfig, 0, sizeof(adcConfig));
#ifdef VBAT_ADC_PIN
if (init->enableVBat) {
IOInit(IOGetByTag(IO_TAG(VBAT_ADC_PIN)), OWNER_SYSTEM, RESOURCE_ADC);
IOConfigGPIO(IOGetByTag(IO_TAG(VBAT_ADC_PIN)), IO_CONFIG(GPIO_Mode_AN, 0, GPIO_OType_OD, GPIO_PuPd_NOPULL));
adcConfig[ADC_BATTERY].adcChannel = VBAT_ADC_CHANNEL;
adcConfig[ADC_BATTERY].dmaIndex = adcChannelCount;
adcConfig[ADC_BATTERY].sampleTime = ADC_SampleTime_601Cycles5;
adcConfig[ADC_BATTERY].enabled = true;
adcChannelCount++;
}
#endif
#ifdef RSSI_ADC_PIN
if (init->enableRSSI) {
IOInit(IOGetByTag(IO_TAG(RSSI_ADC_PIN)), OWNER_SYSTEM, RESOURCE_ADC);
IOConfigGPIO(IOGetByTag(IO_TAG(RSSI_ADC_PIN)), IO_CONFIG(GPIO_Mode_AN, 0, GPIO_OType_OD, GPIO_PuPd_NOPULL));
adcConfig[ADC_RSSI].adcChannel = RSSI_ADC_CHANNEL;
adcConfig[ADC_RSSI].dmaIndex = adcChannelCount;
adcConfig[ADC_RSSI].sampleTime = ADC_SampleTime_601Cycles5;
adcConfig[ADC_RSSI].enabled = true;
adcChannelCount++;
}
#endif
#ifdef CURRENT_METER_ADC_PIN
if (init->enableCurrentMeter) {
IOInit(IOGetByTag(IO_TAG(CURRENT_METER_ADC_PIN)), OWNER_SYSTEM, RESOURCE_ADC);
IOConfigGPIO(IOGetByTag(IO_TAG(CURRENT_METER_ADC_PIN)), IO_CONFIG(GPIO_Mode_AN, 0, GPIO_OType_OD, GPIO_PuPd_NOPULL));
adcConfig[ADC_CURRENT].adcChannel = CURRENT_METER_ADC_CHANNEL;
adcConfig[ADC_CURRENT].dmaIndex = adcChannelCount;
adcConfig[ADC_CURRENT].sampleTime = ADC_SampleTime_601Cycles5;
adcConfig[ADC_CURRENT].enabled = true;
adcChannelCount++;
}
#endif
#ifdef EXTERNAL1_ADC_PIN
if (init->enableExternal1) {
IOInit(IOGetByTag(IO_TAG(EXTERNAL1_ADC_PIN)), OWNER_SYSTEM, RESOURCE_ADC);
IOConfigGPIO(IOGetByTag(IO_TAG(EXTERNAL1_ADC_PIN)), IO_CONFIG(GPIO_Mode_AN, 0, GPIO_OType_OD, GPIO_PuPd_NOPULL));
adcConfig[ADC_EXTERNAL1].adcChannel = EXTERNAL1_ADC_CHANNEL;
adcConfig[ADC_EXTERNAL1].dmaIndex = adcChannelCount;
adcConfig[ADC_EXTERNAL1].sampleTime = ADC_SampleTime_601Cycles5;
adcConfig[ADC_EXTERNAL1].enabled = true;
adcChannelCount++;
}
#endif
RCC_ADCCLKConfig(RCC_ADC12PLLCLK_Div256); // 72 MHz divided by 256 = 281.25 kHz
RCC_AHBPeriphClockCmd(ADC_AHB_PERIPHERAL | RCC_AHBPeriph_ADC12, ENABLE);
DMA_DeInit(ADC_DMA_CHANNEL);
DMA_StructInit(&DMA_InitStructure);
DMA_InitStructure.DMA_PeripheralBaseAddr = (uint32_t)&ADC_INSTANCE->DR;
DMA_InitStructure.DMA_MemoryBaseAddr = (uint32_t)adcValues;
DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralSRC;
DMA_InitStructure.DMA_BufferSize = adcChannelCount;
DMA_InitStructure.DMA_PeripheralInc = DMA_PeripheralInc_Disable;
DMA_InitStructure.DMA_MemoryInc = adcChannelCount > 1 ? DMA_MemoryInc_Enable : DMA_MemoryInc_Disable;
DMA_InitStructure.DMA_PeripheralDataSize = DMA_PeripheralDataSize_HalfWord;
DMA_InitStructure.DMA_MemoryDataSize = DMA_MemoryDataSize_HalfWord;
DMA_InitStructure.DMA_Mode = DMA_Mode_Circular;
DMA_InitStructure.DMA_Priority = DMA_Priority_High;
DMA_InitStructure.DMA_M2M = DMA_M2M_Disable;
DMA_Init(ADC_DMA_CHANNEL, &DMA_InitStructure);
DMA_Cmd(ADC_DMA_CHANNEL, ENABLE);
// calibrate
ADC_VoltageRegulatorCmd(ADC_INSTANCE, ENABLE);
delay(10);
ADC_SelectCalibrationMode(ADC_INSTANCE, ADC_CalibrationMode_Single);
ADC_StartCalibration(ADC_INSTANCE);
while(ADC_GetCalibrationStatus(ADC_INSTANCE) != RESET);
ADC_VoltageRegulatorCmd(ADC_INSTANCE, DISABLE);
ADC_CommonInitTypeDef ADC_CommonInitStructure;
ADC_CommonStructInit(&ADC_CommonInitStructure);
ADC_CommonInitStructure.ADC_Mode = ADC_Mode_Independent;
ADC_CommonInitStructure.ADC_Clock = ADC_Clock_SynClkModeDiv4;
ADC_CommonInitStructure.ADC_DMAAccessMode = ADC_DMAAccessMode_1;
ADC_CommonInitStructure.ADC_DMAMode = ADC_DMAMode_Circular;
ADC_CommonInitStructure.ADC_TwoSamplingDelay = 0;
ADC_CommonInit(ADC_INSTANCE, &ADC_CommonInitStructure);
ADC_StructInit(&ADC_InitStructure);
ADC_InitStructure.ADC_ContinuousConvMode = ADC_ContinuousConvMode_Enable;
ADC_InitStructure.ADC_Resolution = ADC_Resolution_12b;
ADC_InitStructure.ADC_ExternalTrigConvEvent = ADC_ExternalTrigConvEvent_0;
ADC_InitStructure.ADC_ExternalTrigEventEdge = ADC_ExternalTrigEventEdge_None;
ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right;
ADC_InitStructure.ADC_OverrunMode = ADC_OverrunMode_Disable;
ADC_InitStructure.ADC_AutoInjMode = ADC_AutoInjec_Disable;
ADC_InitStructure.ADC_NbrOfRegChannel = adcChannelCount;
ADC_Init(ADC_INSTANCE, &ADC_InitStructure);
uint8_t rank = 1;
for (i = 0; i < ADC_CHANNEL_COUNT; i++) {
if (!adcConfig[i].enabled) {
continue;
}
ADC_RegularChannelConfig(ADC_INSTANCE, adcConfig[i].adcChannel, rank++, adcConfig[i].sampleTime);
}
ADC_Cmd(ADC_INSTANCE, ENABLE);
while(!ADC_GetFlagStatus(ADC_INSTANCE, ADC_FLAG_RDY));
ADC_DMAConfig(ADC_INSTANCE, ADC_DMAMode_Circular);
ADC_DMACmd(ADC_INSTANCE, ENABLE);
ADC_StartConversion(ADC_INSTANCE);
}
/**
* Function to set the SPI module.
* \param obj - SPIContext pointer
* \param options - SPI options
* \param pin - SlaveSelect pin, use SPI_OPT_NO_SS if not necessary
* \param speed - desired connection speed. System will automatically calculate the nearest possible speed
* \return - 0 the operation is successful
* \return - 1 the operation is failed. Check internal error for more details
*/
BOOL SPIConfig(SPIContext * obj, int options, int pin, long speed)
{
double tout=0;
obj->delay=100;
obj->SPICON1=0;
obj->SPICON2=0;
obj->SPISTAT=0;
obj->primary=0;
obj->secondary=0;
obj->ss_pin=0;
obj->SPIIE=0;
obj->SPFIE=0;
obj->mode16 = FALSE;
int index=0;
#ifdef SPI_DBG_CFG
uartwrite(1,"[SPI_DBG] Initiating configuration\n");
#endif
if(speed > _SPI_MAX_SPD)
{
#ifdef SPI_DBG_CFG
uartwrite(1,"[SPI_DBG] Speed too fast during config, quitting.\n");
#endif
_intSPIerr = SpdTooFast;
return 1;
}
unsigned int divider = (unsigned int)ceil(16000000.0/(double)speed);
#ifdef SPI_DBG_CFG
sprintf(spi_dbg_msg,"[SPI_DBG] Calculated divider: %d\n",divider);
UARTWrite(1,spi_dbg_msg);
#endif
index = _spi_find_divider_index(divider);
obj->primary = _spi_divider_primary[index];
obj->secondary = _spi_divider_secondary[index];
obj->ss_pin = pin;
#ifdef SPI_DBG_CFG
sprintf(spi_dbg_msg,"[SPI_DBG] primary %d\n[SPI_DBG] secondary %d\n",_spi_divider_primary_value[obj->primary],_spi_divider_secondary_value[obj->secondary]);
uartwrite(1,spi_dbg_msg);
#endif
tout = ((float)_spi_divider_primary_value[obj->primary] * (float)_spi_divider_secondary_value[obj->secondary])/16; // time (in us) per bit shifted out
if (options & SPI_OPT_MODE16)
{
obj->mode16 = TRUE;
obj->SPICON1 |= SPI_MSK_MODE16;
obj->delay = ceil(32*tout/10);
}
else
obj->delay = ceil(16*tout/10);
if (obj->delay < 1)
obj->delay = 1;
#ifdef SPI_DBG_CFG
sprintf(spi_dbg_msg,"[SPI_DBG] Requested speed %.2f KHz\n[SPI_DBG] Nearest speed %.2f KHz\n",(double)speed/1000,1000/tout);
uartwrite(1,spi_dbg_msg);
#endif
if((options & SPI_OPT_MODE_0) || (!(options & (SPI_OPT_MODE_0 | SPI_OPT_MODE_1 | SPI_OPT_MODE_2 | SPI_OPT_MODE_3))))
{
#ifdef SPI_DBG_CFG
uartwrite(1,"[SPI_DBG] Selecting MODE 0\n");
#endif
obj->SPICON1 |= SPI_MSK_CPHA; //288 // bit5=1 master mode + bit8=1 data changes on clock trailing edge
obj->SPICON1 &= ~SPI_MSK_CPOL;
}
if(options & SPI_OPT_MODE_1)
{
#ifdef SPI_DBG_CFG
uartwrite(1,"[SPI_DBG] Selecting MODE 1\n");
#endif
obj->SPICON1 &= ~SPI_MSK_CPHA;
obj->SPICON1 &= ~SPI_MSK_CPOL; //32// bit5=1 master mode
}
if(options & SPI_OPT_MODE_2)
{
#ifdef SPI_DBG_CFG
uartwrite(1,"[SPI_DBG] Selecting MODE 2\n");
#endif
obj->SPICON1 |= SPI_MSK_CPHA | SPI_MSK_CPOL; //352 // bit5=1 master mode + bit8=1 data changes on clock trailing edge + bit6=1 clock polarity reversed
}
if(options & SPI_OPT_MODE_3)
{
#ifdef SPI_DBG_CFG
uartwrite(1,"[SPI_DBG] Selecting MODE 3\n");
#endif
obj->SPICON1 |= SPI_MSK_CPOL;
obj->SPICON1 &= ~SPI_MSK_CPHA; //96 // bit5=1 master mode + bit6=1 clock polarity
}
obj->SPICON1 |= obj->primary&0b00000011;
obj->SPICON1 |= (obj->secondary&0b00011100)<<2;
if(options & SPI_OPT_MASTER)
obj->SPICON1 |= SPI_MSK_MASTER;
if(options & SPI_OPT_SLAVE)
obj->SPICON1 &= ~SPI_MSK_MASTER; //0b1111111111011111;
if(options & SPI_OPT_SLAVE_SELECT)
obj->SPICON1 |= SPI_MSK_SSEN;
if ((options & (SPI_OPT_SLAVE | SPI_OPT_MASTER)) == 0)
{
#ifdef SPI_DBG_CFG
uartwrite(1,"[SPI_DBG] No mode (Master/Slave) selected, quitting\n");
#endif
_intSPIerr=NoModeSpecified;
obj->SPICON1=0;
obj->SPICON2=0;
obj->SPISTAT=0;
obj->primary=0;
obj->secondary=0;
obj->ss_pin=0;
return 1;
}
/*#if(GroveNest == Board)
obj->SPICON1 |= 0b1000000;
#endif*/
obj->SPISTAT = 0x00;
obj->SPICON2 = 0x00;
obj->SPIIE = 0;
obj->SPFIE = 0;
obj->IP = 1;
obj->FIP = 1;
#ifndef SPI2_FLASH
if(pin != SPI_OPT_NO_SS)
{
#ifdef SPI_DBG_CFG
uartwrite(1,"[SPI_DBG] SS pin selected, configuring\n");
#endif
obj->ss_pin = pin;
IOInit(pin,out);
vTaskDelay(1);
IOPut(pin,on);
#ifdef SPI_DBG_CFG
sprintf(spi_dbg_msg,"[SPI_DBG] SS us of delay %u\n",obj->delay*10);
UARTWrite(1,spi_dbg_msg);
#endif
}
else
{
#ifdef SPI_DBG_CFG
uartwrite(1,"[SPI_DBG] SS pin cleared, not using\n");
#endif
obj->ss_pin=SPI_OPT_NO_SS;
}
#else
TRISDbits.TRISD6=0;
#endif
if(options & SPI_OPT_DI_SAMPLE_END)
{
#ifdef SPI_DBG_CFG
uartwrite(1,"[SPI_DBG] DI sample set to end of DO clock time\n");
#endif
obj->SPICON1 |= 0b1000000000;
}
_intSPIerr=SPI_NO_ERR;
return 0;
}
// USART1 - Telemetry (RX/TX by DMA)
uartPort_t *serialUART1(uint32_t baudRate, portMode_t mode, portOptions_t options)
{
uartPort_t *s;
static volatile uint8_t rx1Buffer[UART1_RX_BUFFER_SIZE];
static volatile uint8_t tx1Buffer[UART1_TX_BUFFER_SIZE];
s = &uartPort1;
s->port.vTable = uartVTable;
s->port.baudRate = baudRate;
s->port.rxBuffer = rx1Buffer;
s->port.txBuffer = tx1Buffer;
s->port.rxBufferSize = UART1_RX_BUFFER_SIZE;
s->port.txBufferSize = UART1_TX_BUFFER_SIZE;
s->USARTx = USART1;
#ifdef USE_UART1_RX_DMA
dmaInit(DMA1_CH5_HANDLER, OWNER_SERIAL_RX, 1);
s->rxDMAChannel = DMA1_Channel5;
s->rxDMAPeripheralBaseAddr = (uint32_t)&s->USARTx->DR;
#endif
s->txDMAChannel = DMA1_Channel4;
s->txDMAPeripheralBaseAddr = (uint32_t)&s->USARTx->DR;
RCC_ClockCmd(RCC_APB2(USART1), ENABLE);
// UART1_TX PA9
// UART1_RX PA10
if (options & SERIAL_BIDIR) {
IOInit(IOGetByTag(IO_TAG(PA9)), OWNER_SERIAL_TX, 1);
IOConfigGPIO(IOGetByTag(IO_TAG(PA9)), IOCFG_AF_OD);
} else {
if (mode & MODE_TX) {
IOInit(IOGetByTag(IO_TAG(PA9)), OWNER_SERIAL_TX, 1);
IOConfigGPIO(IOGetByTag(IO_TAG(PA9)), IOCFG_AF_PP);
}
if (mode & MODE_RX) {
IOInit(IOGetByTag(IO_TAG(PA10)), OWNER_SERIAL_RX, 1);
IOConfigGPIO(IOGetByTag(IO_TAG(PA10)), IOCFG_IPU);
}
}
// DMA TX Interrupt
dmaInit(DMA1_CH4_HANDLER, OWNER_SERIAL_TX, 1);
dmaSetHandler(DMA1_CH4_HANDLER, uart_tx_dma_IRQHandler, NVIC_PRIO_SERIALUART1_TXDMA, (uint32_t)&uartPort1);
#ifndef USE_UART1_RX_DMA
// RX/TX Interrupt
NVIC_InitTypeDef NVIC_InitStructure;
NVIC_InitStructure.NVIC_IRQChannel = USART1_IRQn;
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = NVIC_PRIORITY_BASE(NVIC_PRIO_SERIALUART1);
NVIC_InitStructure.NVIC_IRQChannelSubPriority = NVIC_PRIORITY_SUB(NVIC_PRIO_SERIALUART1);
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&NVIC_InitStructure);
#endif
return s;
}
void hmc5883lInit(void)
{
int16_t magADC[3];
int i;
int32_t xyz_total[3] = { 0, 0, 0 }; // 32 bit totals so they won't overflow.
bool bret = true; // Error indicator
#ifdef USE_MAG_DATA_READY_SIGNAL
if (hmc5883Config && hmc5883Config->io) {
intIO = IOGetByTag(hmc5883Config->io);
IOInit(intIO, OWNER_SYSTEM, RESOURCE_INPUT | RESOURCE_EXTI);
IOConfigGPIO(intIO, IOCFG_IN_FLOATING);
}
#endif
delay(50);
i2cWrite(HMC5883L_I2C_INSTANCE, MAG_ADDRESS, HMC58X3_R_CONFA, 0x010 + HMC_POS_BIAS); // Reg A DOR = 0x010 + MS1, MS0 set to pos bias
// Note that the very first measurement after a gain change maintains the same gain as the previous setting.
// The new gain setting is effective from the second measurement and on.
i2cWrite(HMC5883L_I2C_INSTANCE, MAG_ADDRESS, HMC58X3_R_CONFB, 0x60); // Set the Gain to 2.5Ga (7:5->011)
delay(100);
hmc5883lRead(magADC);
for (i = 0; i < 10; i++) { // Collect 10 samples
i2cWrite(HMC5883L_I2C_INSTANCE, MAG_ADDRESS, HMC58X3_R_MODE, 1);
delay(50);
hmc5883lRead(magADC); // Get the raw values in case the scales have already been changed.
// Since the measurements are noisy, they should be averaged rather than taking the max.
xyz_total[X] += magADC[X];
xyz_total[Y] += magADC[Y];
xyz_total[Z] += magADC[Z];
// Detect saturation.
if (-4096 >= MIN(magADC[X], MIN(magADC[Y], magADC[Z]))) {
bret = false;
break; // Breaks out of the for loop. No sense in continuing if we saturated.
}
LED1_TOGGLE;
}
// Apply the negative bias. (Same gain)
i2cWrite(HMC5883L_I2C_INSTANCE, MAG_ADDRESS, HMC58X3_R_CONFA, 0x010 + HMC_NEG_BIAS); // Reg A DOR = 0x010 + MS1, MS0 set to negative bias.
for (i = 0; i < 10; i++) {
i2cWrite(HMC5883L_I2C_INSTANCE, MAG_ADDRESS, HMC58X3_R_MODE, 1);
delay(50);
hmc5883lRead(magADC); // Get the raw values in case the scales have already been changed.
// Since the measurements are noisy, they should be averaged.
xyz_total[X] -= magADC[X];
xyz_total[Y] -= magADC[Y];
xyz_total[Z] -= magADC[Z];
// Detect saturation.
if (-4096 >= MIN(magADC[X], MIN(magADC[Y], magADC[Z]))) {
bret = false;
break; // Breaks out of the for loop. No sense in continuing if we saturated.
}
LED1_TOGGLE;
}
magGain[X] = fabsf(660.0f * HMC58X3_X_SELF_TEST_GAUSS * 2.0f * 10.0f / xyz_total[X]);
magGain[Y] = fabsf(660.0f * HMC58X3_Y_SELF_TEST_GAUSS * 2.0f * 10.0f / xyz_total[Y]);
magGain[Z] = fabsf(660.0f * HMC58X3_Z_SELF_TEST_GAUSS * 2.0f * 10.0f / xyz_total[Z]);
// leave test mode
i2cWrite(HMC5883L_I2C_INSTANCE, MAG_ADDRESS, HMC58X3_R_CONFA, 0x70); // Configuration Register A -- 0 11 100 00 num samples: 8 ; output rate: 15Hz ; normal measurement mode
i2cWrite(HMC5883L_I2C_INSTANCE, MAG_ADDRESS, HMC58X3_R_CONFB, 0x20); // Configuration Register B -- 001 00000 configuration gain 1.3Ga
i2cWrite(HMC5883L_I2C_INSTANCE, MAG_ADDRESS, HMC58X3_R_MODE, 0x00); // Mode register -- 000000 00 continuous Conversion Mode
delay(100);
if (!bret) { // Something went wrong so get a best guess
magGain[X] = 1.0f;
magGain[Y] = 1.0f;
magGain[Z] = 1.0f;
}
#ifdef USE_MAG_DATA_READY_SIGNAL
do {
if (!(hmc5883Config && intIO))
break;
# ifdef ENSURE_MAG_DATA_READY_IS_HIGH
if (!IORead(intIO))
break;
# endif
EXTIHandlerInit(&hmc5883_extiCallbackRec, hmc5883_extiHandler);
EXTIConfig(intIO, &hmc5883_extiCallbackRec, NVIC_PRIO_MAG_INT_EXTI, EXTI_Trigger_Rising);
EXTIEnable(intIO, true);
} while (0);
#endif
}
void adcInit(drv_adc_config_t *init)
{
ADC_InitTypeDef ADC_InitStructure;
DMA_InitTypeDef DMA_InitStructure;
uint8_t i;
uint8_t configuredAdcChannels = 0;
memset(&adcConfig, 0, sizeof(adcConfig));
#if !defined(VBAT_ADC_PIN) && !defined(EXTERNAL1_ADC_PIN) && !defined(RSSI_ADC_PIN) && !defined(CURRENT_METER_ADC_PIN)
UNUSED(init);
#endif
#ifdef VBAT_ADC_PIN
if (init->enableVBat) {
IOInit(IOGetByTag(IO_TAG(VBAT_ADC_PIN)), OWNER_SYSTEM, RESOURCE_ADC);
IOConfigGPIO(IOGetByTag(IO_TAG(VBAT_ADC_PIN)), IO_CONFIG(GPIO_Mode_AN, 0, GPIO_OType_OD, GPIO_PuPd_NOPULL));
adcConfig[ADC_BATTERY].adcChannel = VBAT_ADC_CHANNEL;
adcConfig[ADC_BATTERY].dmaIndex = configuredAdcChannels++;
adcConfig[ADC_BATTERY].enabled = true;
adcConfig[ADC_BATTERY].sampleTime = ADC_SampleTime_480Cycles;
}
#endif
#ifdef EXTERNAL1_ADC_PIN
if (init->enableExternal1) {
IOInit(IOGetByTag(IO_TAG(EXTERNAL1_ADC_PIN)), OWNER_SYSTEM, RESOURCE_ADC);
IOConfigGPIO(IOGetByTag(IO_TAG(EXTERNAL1_ADC_PIN)), IO_CONFIG(GPIO_Mode_AN, 0, GPIO_OType_OD, GPIO_PuPd_NOPULL));
adcConfig[ADC_EXTERNAL1].adcChannel = EXTERNAL1_ADC_CHANNEL;
adcConfig[ADC_EXTERNAL1].dmaIndex = configuredAdcChannels++;
adcConfig[ADC_EXTERNAL1].enabled = true;
adcConfig[ADC_EXTERNAL1].sampleTime = ADC_SampleTime_480Cycles;
}
#endif
#ifdef RSSI_ADC_PIN
if (init->enableRSSI) {
IOInit(IOGetByTag(IO_TAG(RSSI_ADC_PIN)), OWNER_SYSTEM, RESOURCE_ADC);
IOConfigGPIO(IOGetByTag(IO_TAG(RSSI_ADC_PIN)), IO_CONFIG(GPIO_Mode_AN, 0, GPIO_OType_OD, GPIO_PuPd_NOPULL));
adcConfig[ADC_RSSI].adcChannel = RSSI_ADC_CHANNEL;
adcConfig[ADC_RSSI].dmaIndex = configuredAdcChannels++;
adcConfig[ADC_RSSI].enabled = true;
adcConfig[ADC_RSSI].sampleTime = ADC_SampleTime_480Cycles;
}
#endif
#ifdef CURRENT_METER_ADC_PIN
if (init->enableCurrentMeter) {
IOInit(IOGetByTag(IO_TAG(CURRENT_METER_ADC_PIN)), OWNER_SYSTEM, RESOURCE_ADC);
IOConfigGPIO(IOGetByTag(IO_TAG(CURRENT_METER_ADC_PIN)), IO_CONFIG(GPIO_Mode_AN, 0, GPIO_OType_OD, GPIO_PuPd_NOPULL));
adcConfig[ADC_CURRENT].adcChannel = CURRENT_METER_ADC_CHANNEL;
adcConfig[ADC_CURRENT].dmaIndex = configuredAdcChannels++;
adcConfig[ADC_CURRENT].enabled = true;
adcConfig[ADC_CURRENT].sampleTime = ADC_SampleTime_480Cycles;
}
#endif
//RCC_ADCCLKConfig(RCC_ADC12PLLCLK_Div256); // 72 MHz divided by 256 = 281.25 kHz
RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_DMA2, ENABLE);
RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOC, ENABLE);
RCC_APB2PeriphClockCmd(RCC_APB2Periph_ADC1, ENABLE);
DMA_DeInit(DMA2_Stream4);
DMA_StructInit(&DMA_InitStructure);
DMA_InitStructure.DMA_PeripheralBaseAddr = (uint32_t)&ADC1->DR;
DMA_InitStructure.DMA_Channel = DMA_Channel_0;
DMA_InitStructure.DMA_Memory0BaseAddr = (uint32_t)adcValues;
DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralToMemory;
DMA_InitStructure.DMA_BufferSize = configuredAdcChannels;
DMA_InitStructure.DMA_PeripheralInc = DMA_PeripheralInc_Disable;
DMA_InitStructure.DMA_MemoryInc = configuredAdcChannels > 1 ? DMA_MemoryInc_Enable : DMA_MemoryInc_Disable;
DMA_InitStructure.DMA_PeripheralDataSize = DMA_PeripheralDataSize_HalfWord;
DMA_InitStructure.DMA_MemoryDataSize = DMA_MemoryDataSize_HalfWord;
DMA_InitStructure.DMA_Mode = DMA_Mode_Circular;
DMA_InitStructure.DMA_Priority = DMA_Priority_High;
DMA_Init(DMA2_Stream4, &DMA_InitStructure);
DMA_Cmd(DMA2_Stream4, ENABLE);
// calibrate
/*
ADC_VoltageRegulatorCmd(ADC1, ENABLE);
delay(10);
ADC_SelectCalibrationMode(ADC1, ADC_CalibrationMode_Single);
ADC_StartCalibration(ADC1);
while(ADC_GetCalibrationStatus(ADC1) != RESET);
ADC_VoltageRegulatorCmd(ADC1, DISABLE);
*/
ADC_CommonInitTypeDef ADC_CommonInitStructure;
ADC_CommonStructInit(&ADC_CommonInitStructure);
ADC_CommonInitStructure.ADC_Mode = ADC_Mode_Independent;
ADC_CommonInitStructure.ADC_Prescaler = ADC_Prescaler_Div8;
ADC_CommonInitStructure.ADC_DMAAccessMode = ADC_DMAAccessMode_Disabled;
ADC_CommonInitStructure.ADC_TwoSamplingDelay = ADC_TwoSamplingDelay_5Cycles;
ADC_CommonInit(&ADC_CommonInitStructure);
ADC_StructInit(&ADC_InitStructure);
ADC_InitStructure.ADC_ContinuousConvMode = ENABLE;
ADC_InitStructure.ADC_Resolution = ADC_Resolution_12b;
ADC_InitStructure.ADC_ExternalTrigConv = ADC_ExternalTrigConv_T1_CC1;
ADC_InitStructure.ADC_ExternalTrigConvEdge = ADC_ExternalTrigConvEdge_None;
ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right;
ADC_InitStructure.ADC_NbrOfConversion = configuredAdcChannels;
ADC_InitStructure.ADC_ScanConvMode = configuredAdcChannels > 1 ? ENABLE : DISABLE; // 1=scan more that one channel in group
ADC_Init(ADC1, &ADC_InitStructure);
uint8_t rank = 1;
for (i = 0; i < ADC_CHANNEL_COUNT; i++) {
if (!adcConfig[i].enabled) {
continue;
}
ADC_RegularChannelConfig(ADC1, adcConfig[i].adcChannel, rank++, adcConfig[i].sampleTime);
}
ADC_DMARequestAfterLastTransferCmd(ADC1, ENABLE);
ADC_DMACmd(ADC1, ENABLE);
ADC_Cmd(ADC1, ENABLE);
ADC_SoftwareStartConv(ADC1);
}
static void serialOutputPortConfig(ioTag_t pin, uint8_t portIndex)
{
IOInit(IOGetByTag(pin), OWNER_SOFTSERIAL, RESOURCE_UART_TX, RESOURCE_INDEX(portIndex));
IOConfigGPIO(IOGetByTag(pin), IOCFG_OUT_PP);
}
void spiInitDevice(SPIDevice device)
{
SPI_InitTypeDef spiInit;
spiDevice_t *spi = &(spiHardwareMap[device]);
#ifdef SDCARD_SPI_INSTANCE
if (spi->dev == SDCARD_SPI_INSTANCE)
spi->sdcard = true;
#endif
// Enable SPI clock
RCC_ClockCmd(spi->rcc, ENABLE);
RCC_ResetCmd(spi->rcc, ENABLE);
IOInit(IOGetByTag(spi->sck), OWNER_SPI, RESOURCE_SPI_SCK, device + 1);
IOInit(IOGetByTag(spi->miso), OWNER_SPI, RESOURCE_SPI_MISO, device + 1);
IOInit(IOGetByTag(spi->mosi), OWNER_SPI, RESOURCE_SPI_MOSI, device + 1);
#if defined(STM32F3) || defined(STM32F4)
IOConfigGPIOAF(IOGetByTag(spi->sck), SPI_IO_AF_CFG, spi->af);
IOConfigGPIOAF(IOGetByTag(spi->miso), SPI_IO_AF_CFG, spi->af);
IOConfigGPIOAF(IOGetByTag(spi->mosi), SPI_IO_AF_CFG, spi->af);
if (spi->nss)
IOConfigGPIOAF(IOGetByTag(spi->nss), SPI_IO_CS_CFG, spi->af);
#endif
#if defined(STM32F10X)
IOConfigGPIO(IOGetByTag(spi->sck), SPI_IO_AF_SCK_CFG);
IOConfigGPIO(IOGetByTag(spi->miso), SPI_IO_AF_MISO_CFG);
IOConfigGPIO(IOGetByTag(spi->mosi), SPI_IO_AF_MOSI_CFG);
if (spi->nss)
IOConfigGPIO(IOGetByTag(spi->nss), SPI_IO_CS_CFG);
#endif
// Init SPI hardware
SPI_I2S_DeInit(spi->dev);
spiInit.SPI_Mode = SPI_Mode_Master;
spiInit.SPI_Direction = SPI_Direction_2Lines_FullDuplex;
spiInit.SPI_DataSize = SPI_DataSize_8b;
spiInit.SPI_NSS = SPI_NSS_Soft;
spiInit.SPI_FirstBit = SPI_FirstBit_MSB;
spiInit.SPI_CRCPolynomial = 7;
spiInit.SPI_BaudRatePrescaler = SPI_BaudRatePrescaler_8;
if (spi->sdcard) {
spiInit.SPI_CPOL = SPI_CPOL_Low;
spiInit.SPI_CPHA = SPI_CPHA_1Edge;
}
else {
spiInit.SPI_CPOL = SPI_CPOL_High;
spiInit.SPI_CPHA = SPI_CPHA_2Edge;
}
#ifdef STM32F303xC
// Configure for 8-bit reads.
SPI_RxFIFOThresholdConfig(spi->dev, SPI_RxFIFOThreshold_QF);
#endif
SPI_Init(spi->dev, &spiInit);
SPI_Cmd(spi->dev, ENABLE);
if (spi->nss)
IOHi(IOGetByTag(spi->nss));
}
bool hcsr04Detect(rangefinderDev_t *dev, const sonarConfig_t * rangefinderHardwarePins)
{
bool detected = false;
#ifdef STM32F10X
// enable AFIO for EXTI support
RCC_ClockCmd(RCC_APB2(AFIO), ENABLE);
#endif
#if defined(STM32F3) || defined(STM32F4)
RCC_ClockCmd(RCC_APB2(SYSCFG), ENABLE); // XXX Do we need this?
#endif
triggerIO = IOGetByTag(rangefinderHardwarePins->triggerTag);
echoIO = IOGetByTag(rangefinderHardwarePins->echoTag);
if (IOGetOwner(triggerIO) != OWNER_FREE) {
return false;
}
if (IOGetOwner(echoIO) != OWNER_FREE) {
return false;
}
// trigger pin
IOInit(triggerIO, OWNER_SONAR_TRIGGER, 0);
IOConfigGPIO(triggerIO, IOCFG_OUT_PP);
IOLo(triggerIO);
delay(100);
// echo pin
IOInit(echoIO, OWNER_SONAR_ECHO, 0);
IOConfigGPIO(echoIO, IOCFG_IN_FLOATING);
// HC-SR04 echo line should be low by default and should return a response pulse when triggered
if (IORead(echoIO) == false) {
for (int i = 0; i < 5 && !detected; i++) {
timeMs_t requestTime = millis();
hcsr04_start_reading();
while ((millis() - requestTime) < HCSR04_MinimumFiringIntervalMs) {
if (IORead(echoIO) == true) {
detected = true;
break;
}
}
}
}
if (detected) {
// Hardware detected - configure the driver
#ifdef USE_EXTI
EXTIHandlerInit(&hcsr04_extiCallbackRec, hcsr04_extiHandler);
EXTIConfig(echoIO, &hcsr04_extiCallbackRec, NVIC_PRIO_SONAR_EXTI, EXTI_Trigger_Rising_Falling); // TODO - priority!
EXTIEnable(echoIO, true);
#endif
dev->delayMs = 100;
dev->maxRangeCm = HCSR04_MAX_RANGE_CM;
dev->detectionConeDeciDegrees = HCSR04_DETECTION_CONE_DECIDEGREES;
dev->detectionConeExtendedDeciDegrees = HCSR04_DETECTION_CONE_EXTENDED_DECIDEGREES;
dev->init = &hcsr04_init;
dev->update = &hcsr04_update;
dev->read = &hcsr04_get_distance;
return true;
}
else {
// Not detected - free resources
IORelease(triggerIO);
IORelease(echoIO);
return false;
}
}
