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[ADC] Implement ADC averaging on F7, enable ADC averaging on all targets

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This commit is contained in:
Konstantin Sharlaimov (DigitalEntity) 2019-01-06 20:24:17 +01:00
parent 8847ce56e3
commit 07b831bed4
3 changed files with 8 additions and 8 deletions
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8
src/main/drivers/adc.h
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@ -46,6 +46,10 @@ uint16_t adcGetChannel(uint8_t channel);
bool adcIsFunctionAssigned(uint8_t function);
int adcGetFunctionChannelAllocation(uint8_t function);
#if !defined(USE_ADC_AVERAGING)
#define ADC_AVERAGE_N_SAMPLES 1
#if defined(USE_ADC_AVERAGING)
#if !defined(ADC_AVERAGE_N_SAMPLES)
#define ADC_AVERAGE_N_SAMPLES 20
#endif
#else
#define ADC_AVERAGE_N_SAMPLES 1
#endif

4
src/main/drivers/adc_stm32f7xx.c
View file

@ -110,7 +110,7 @@ static void adcInstanceInit(ADCDevice adcDevice)
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 = adc->usedChannelCount > 1 ? DMA_MINC_ENABLE : DMA_MINC_DISABLE;
adc->DmaHandle.Init.MemInc = ((adc->usedChannelCount > 1) || (ADC_AVERAGE_N_SAMPLES > 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;
@ -152,7 +152,7 @@ static void adcInstanceInit(ADCDevice adcDevice)
//HAL_CLEANINVALIDATECACHE((uint32_t*)&adcValues[adcDevice], configuredAdcChannels);
/*##-4- Start the conversion process #######################################*/
if (HAL_ADC_Start_DMA(&adc->ADCHandle, (uint32_t*)&adcValues[adcDevice], adc->usedChannelCount) != HAL_OK)
if (HAL_ADC_Start_DMA(&adc->ADCHandle, (uint32_t*)&adcValues[adcDevice], adc->usedChannelCount * ADC_AVERAGE_N_SAMPLES) != HAL_OK)
{
/* Start Conversation Error */
}

4
src/main/target/common.h
View file

@ -45,11 +45,7 @@
#define SKIP_CLI_RESOURCES
#endif
#if defined(STM32F3) || defined(STM32F4)
#define USE_ADC_AVERAGING
#define ADC_AVERAGE_N_SAMPLES 20
#endif
#define USE_64BIT_TIME
#define USE_BLACKBOX
#define USE_GPS