void adcInit(const adcConfig_t *config)
{
ADC_InitTypeDef ADC_InitStructure;
DMA_InitTypeDef DMA_InitStructure;
uint8_t adcChannelCount = 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;
#ifdef ADC24_DMA_REMAP
SYSCFG_DMAChannelRemapConfig(SYSCFG_DMARemap_ADC2ADC4, ENABLE);
#endif
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_AN, 0, GPIO_OType_OD, GPIO_PuPd_NOPULL));
adcOperatingConfig[i].adcChannel = adcChannelByTag(adcOperatingConfig[i].tag);
adcOperatingConfig[i].dmaIndex = adcChannelCount++;
adcOperatingConfig[i].sampleTime = ADC_SampleTime_601Cycles5;
adcOperatingConfig[i].enabled = true;
}
if (!adcActive) {
return;
}
if ((device == ADCDEV_1) || (device == ADCDEV_2)) {
// enable clock for ADC1+2
RCC_ADCCLKConfig(RCC_ADC12PLLCLK_Div256); // 72 MHz divided by 256 = 281.25 kHz
} else {
// enable clock for ADC3+4
RCC_ADCCLKConfig(RCC_ADC34PLLCLK_Div256); // 72 MHz divided by 256 = 281.25 kHz
}
RCC_ClockCmd(adc.rccADC, ENABLE);
dmaInit(dmaGetIdentifier(adc.DMAy_Channelx), OWNER_ADC, 0);
DMA_DeInit(adc.DMAy_Channelx);
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 = 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.DMAy_Channelx, &DMA_InitStructure);
DMA_Cmd(adc.DMAy_Channelx, ENABLE);
// calibrate
ADC_VoltageRegulatorCmd(adc.ADCx, ENABLE);
delay(10);
ADC_SelectCalibrationMode(adc.ADCx, ADC_CalibrationMode_Single);
ADC_StartCalibration(adc.ADCx);
while (ADC_GetCalibrationStatus(adc.ADCx) != RESET);
ADC_VoltageRegulatorCmd(adc.ADCx, 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.ADCx, &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.ADCx, &ADC_InitStructure);
uint8_t rank = 1;
for (int i = 0; i < ADC_CHANNEL_COUNT; i++) {
if (!adcOperatingConfig[i].enabled) {
continue;
}
ADC_RegularChannelConfig(adc.ADCx, adcOperatingConfig[i].adcChannel, rank++, adcOperatingConfig[i].sampleTime);
}
ADC_Cmd(adc.ADCx, ENABLE);
while (!ADC_GetFlagStatus(adc.ADCx, ADC_FLAG_RDY));
ADC_DMAConfig(adc.ADCx, ADC_DMAMode_Circular);
ADC_DMACmd(adc.ADCx, ENABLE);
ADC_StartConversion(adc.ADCx);
}
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(const adcConfig_t *config)
{
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;
const 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_AIN, 0));
adcOperatingConfig[i].adcChannel = adcChannelByTag(adcOperatingConfig[i].tag);
adcOperatingConfig[i].dmaIndex = configuredAdcChannels++;
adcOperatingConfig[i].sampleTime = ADC_SampleTime_239Cycles5;
adcOperatingConfig[i].enabled = true;
}
if (!adcActive) {
return;
}
RCC_ADCCLKConfig(RCC_PCLK2_Div8); // 9MHz from 72MHz APB2 clock(HSE), 8MHz from 64MHz (HSI)
RCC_ClockCmd(adc.rccADC, ENABLE);
dmaInit(dmaGetIdentifier(adc.DMAy_Channelx), OWNER_ADC, 0);
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 (!adcOperatingConfig[i].enabled) {
continue;
}
ADC_RegularChannelConfig(adc.ADCx, adcOperatingConfig[i].adcChannel, rank++, adcOperatingConfig[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 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 */
}
}
