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adc: support adc efuse-based calibration on esp32s3

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This commit is contained in:
Armando
2021-09-07 11:21:35 +08:00
committed by Armando (Dou Yiwen)
parent c54caa457e
commit c45c6f52f1
32 changed files with 1017 additions and 190 deletions
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8
components/driver/esp32s2/adc.c
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@@ -437,7 +437,7 @@ static uint16_t s_adc_cali_param[ADC_NUM_MAX][ADC_ATTEN_MAX] = { {0}, {0} };
// 1. Semaphore when reading efuse
// 2. Spinlock when actually doing ADC calibration
//This function shoudn't be called inside critical section or ISR
uint32_t adc_get_calibration_offset(adc_ll_num_t adc_n, adc_channel_t channel, adc_atten_t atten, bool no_cal)
uint32_t adc_get_calibration_offset(adc_ll_num_t adc_n, adc_channel_t channel, adc_atten_t atten)
{
#ifdef CONFIG_IDF_ENV_FPGA
return 0;
@@ -448,10 +448,6 @@ uint32_t adc_get_calibration_offset(adc_ll_num_t adc_n, adc_channel_t channel, a
return (uint32_t)s_adc_cali_param[adc_n][atten];
}
if (no_cal) {
return 0; //indicating failure
}
uint32_t dout = 0;
// check if we can fetch the values from eFuse.
int version = esp_efuse_rtc_table_read_calib_version();
@@ -474,7 +470,7 @@ uint32_t adc_get_calibration_offset(adc_ll_num_t adc_n, adc_channel_t channel, a
esp_err_t adc_cal_offset(adc_ll_num_t adc_n, adc_channel_t channel, adc_atten_t atten)
{
adc_hal_calibration_init(adc_n);
uint32_t cal_val = adc_get_calibration_offset(adc_n, channel, atten, false);
uint32_t cal_val = adc_get_calibration_offset(adc_n, channel, atten);
ADC_ENTER_CRITICAL();
adc_hal_set_calibration_param(adc_n, cal_val);
ADC_EXIT_CRITICAL();