STM32G0B1CBT6
#define ADC0_OBJ_COUNT 9
const uint8_t ch_remap[ADC0_OBJ_COUNT] = {ADC_CHANNEL_0, ADC_CHANNEL_1, ADC_CHANNEL_2, ADC_CHANNEL_3, ADC_CHANNEL_4, ADC_CHANNEL_5, ADC_CHANNEL_6, ADC_CHANNEL_7, ADC_CHANNEL_10};
//const uint8_t ch_remap[ADC0_OBJ_COUNT] = {0 , 1, 2, 3, 4, 5, 6, 7, 10};
uint32_t adc1_value[ADC0_OBJ_COUNT];
static void MX_ADC1_Init(void) {
ADC_ChannelConfTypeDef sConfig = {0};
hadc1.Instance = ADC1;
hadc1.Init.ClockPrescaler = ADC_CLOCK_SYNC_PCLK_DIV4;
hadc1.Init.Resolution = ADC_RESOLUTION_12B;
hadc1.Init.DataAlign = ADC_DATAALIGN_RIGHT;
hadc1.Init.ScanConvMode = ADC_SCAN_DISABLE;
hadc1.Init.EOCSelection = ADC_EOC_SEQ_CONV;
hadc1.Init.LowPowerAutoWait = DISABLE;
hadc1.Init.LowPowerAutoPowerOff = DISABLE;
hadc1.Init.ContinuousConvMode = DISABLE;
hadc1.Init.NbrOfConversion = 1; // 1 konverze najednou
hadc1.Init.DiscontinuousConvMode = DISABLE;
hadc1.Init.ExternalTrigConv = ADC_SOFTWARE_START;
hadc1.Init.ExternalTrigConvEdge = ADC_EXTERNALTRIGCONVEDGE_NONE;
hadc1.Init.DMAContinuousRequests = DISABLE;
hadc1.Init.Overrun = ADC_OVR_DATA_PRESERVED;
hadc1.Init.SamplingTimeCommon1 = ADC_SAMPLETIME_160CYCLES_5;
hadc1.Init.SamplingTimeCommon2 = ADC_SAMPLETIME_160CYCLES_5;
hadc1.Init.OversamplingMode = DISABLE;
hadc1.Init.TriggerFrequencyMode = ADC_TRIGGER_FREQ_LOW;
if (HAL_ADC_Init(&hadc1) != HAL_OK) {
Error_Handler();
}
// Inicializujte první kanál jako výchozí
sConfig.Channel = ADC_CHANNEL_0;
sConfig.Rank = ADC_REGULAR_RANK_1;
sConfig.SamplingTime = ADC_SAMPLINGTIME_COMMON_1;
if (HAL_ADC_ConfigChannel(&hadc1, &sConfig) != HAL_OK) {
Error_Handler();
}
}
void adc1_update(void) {
ADC_ChannelConfTypeDef sConfig = {0};
for (uint8_t i = 0; i < ADC0_OBJ_COUNT; i++) {
/* Configure Regular Channel: add channel to sequence */
sConfig.Channel = ch_remap[i];
sConfig.Rank = ADC_RANK_CHANNEL_NUMBER;
//sConfig.SamplingTime = ADC_SAMPLINGTIME_COMMON_1;
HAL_ADC_ConfigChannel(&hadc1, &sConfig);
// Spustíme konverzi
HAL_ADC_Start(&hadc1);
HAL_ADC_PollForConversion(&hadc1, HAL_MAX_DELAY);
adc1_value[i] = HAL_ADC_GetValue(&hadc1);
adc_obj[i].curr = kalman_filter(&kalman_filters[i], adc1_value[i]);
/* Configure Regular Channel: remove channel from sequence */
sConfig.Channel = ch_remap[i];
sConfig.Rank = ADC_RANK_NONE;
HAL_ADC_ConfigChannel(&hadc1, &sConfig);
}
}
Where is mistake ? It measures only CH0 and copies to all buffer spaces 0-8. I would like to used DMA which works fine, but DMA can do 8 ch RANKS only i need 16 channels in future slow measuring of resitors
