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adc: add fallback calibration method

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Also:
1. Separate static configuration into init phase to improve
performance
2. Add a init code config layer to avoid duplicated configuration
3. Add a HW_CALIBRATION_V1 caps
This commit is contained in:
Michael (XIAO Xufeng)
2021-01-19 20:00:01 +08:00
committed by Armando
parent 3d7da2c8ff
commit 2b83418141
14 changed files with 304 additions and 160 deletions
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components/driver/esp32s2/adc.c
+5
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@@ -74,6 +74,10 @@ esp_err_t adc_digi_init(void)
adc_hal_init();
adc_hal_arbiter_config(&config);
ADC_EXIT_CRITICAL();
adc_hal_calibration_init(ADC_NUM_1);
adc_hal_calibration_init(ADC_NUM_2);
return ESP_OK;
}
@@ -472,6 +476,7 @@ 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);
ADC_ENTER_CRITICAL();
adc_hal_set_calibration_param(adc_n, cal_val);