adc.h File Reference

#include <inttypes.h>
#include "config.h"

Go to the source code of this file.

Functions
void	adc_init (void)
void	adc_cycle (void)

Variables
uint32_t	adc_val [ADC_CHAN_CNT]
uint32_t	adc_sim_val [ADC_CHAN_CNT]
uint32_t	adc_sim_msk

Function Documentation

adc_init()

void adc_init

(

void

)

                    {
    for (int i = 0; i < ADC_CHAN_CNT; i++) {
        adc_val[i] = 0;
        adc_cnt[i] = 0;
        adc_chn[i] = adc_chan(i);
    }
    adc_idx = 0;
    adc_sta = 0x00;
    adc_init_sim_vals();
}

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adc_cycle()

void adc_cycle

(

void

)

                     {
    uint8_t seq;
    uint32_t val;
    if (adc_sta == 0xff)
        return; //skip sampling if not initialized
    if (adc_sta & 0x80) {
        if (__HAL_ADC_GET_FLAG(&hadc1, ADC_FLAG_EOC)) {
            if ((1 << adc_idx) & adc_sim_msk)
                val = adc_sim_val[adc_idx];
            else
                val = HAL_ADC_GetValue(&hadc1);
            adc_val[adc_idx] += val;
            if (++adc_cnt[adc_idx] >= ADC_OVRSAMPL) {
                ADC_READY(adc_idx);
                adc_val[adc_idx] = 0;
                adc_cnt[adc_idx] = 0;
            }
            seq = (adc_sta & 0x1f) + 1;
            if (seq >= ADC_SEQ_LEN)
                seq = 0;
            adc_idx = ADC_SEQ2IDX(seq);
            adc_set_mux(adc_chn[adc_idx]);
            adc_sta = seq;
        } else {
            Error_Handler();
        }
    } else {
        HAL_ADC_Start(&hadc1);
        adc_sta |= 0x80;
    }
}

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Variable Documentation

adc_val

uint32_t adc_val[ADC_CHAN_CNT]

adc_sim_val

uint32_t adc_sim_val[ADC_CHAN_CNT]

adc_sim_msk

uint32_t adc_sim_msk