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fix(adc): rename ADC_ATTEN_DB_11 to ADC_ATTEN_DB_12

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By design, it's 12 dB. There're errors among chips, so the actual
attenuation will be 11dB more or less
This commit is contained in:
Armando
2023-10-13 16:02:45 +08:00
parent 8768c9231c
commit d3be2541de
33 changed files with 67 additions and 66 deletions
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10
components/efuse/esp32c2/esp_efuse_rtc_calib.c
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@@ -28,12 +28,12 @@ uint32_t esp_efuse_rtc_calib_get_init_code(int version, uint32_t adc_unit, int a
{
assert((version >= ESP_EFUSE_ADC_CALIB_VER_MIN) &&
(version <= ESP_EFUSE_ADC_CALIB_VER_MAX));
assert(atten <= ADC_ATTEN_DB_11);
assert(atten <= ADC_ATTEN_DB_12);
(void) adc_unit;
if (atten == ADC_ATTEN_DB_2_5 || atten == ADC_ATTEN_DB_6) {
/**
* - ESP32C2 only supports HW calibration on ADC_ATTEN_DB_0 and ADC_ATTEN_DB_11
* - ESP32C2 only supports HW calibration on ADC_ATTEN_DB_0 and ADC_ATTEN_DB_12
* - For other attenuation, we just return default value, which is 0.
*/
return 0;
@@ -56,7 +56,7 @@ uint32_t esp_efuse_rtc_calib_get_init_code(int version, uint32_t adc_unit, int a
if (atten == ADC_ATTEN_DB_0) {
init_code = adc_icode_diff_atten0 + 2160;
} else {
//ADC_ATTEN_DB_11
//ADC_ATTEN_DB_12
init_code = adc_icode_diff_atten3 + adc_icode_diff_atten0 + 2160;
}
@@ -76,7 +76,7 @@ esp_err_t esp_efuse_rtc_calib_get_cal_voltage(int version, uint32_t adc_unit, in
if (atten == ADC_ATTEN_DB_2_5 || atten == ADC_ATTEN_DB_6) {
/**
* - ESP32C2 only supports SW calibration on ADC_ATTEN_DB_0 and ADC_ATTEN_DB_11
* - ESP32C2 only supports SW calibration on ADC_ATTEN_DB_0 and ADC_ATTEN_DB_12
* - For other attenuation, we need to return an error, informing upper layer SW calibration driver
* to deal with the error.
*/
@@ -101,7 +101,7 @@ esp_err_t esp_efuse_rtc_calib_get_cal_voltage(int version, uint32_t adc_unit, in
*out_digi = adc_vol_diff_atten0 + 1540;
*out_vol_mv = 400;
} else {
//ADC_ATTEN_DB_11
//ADC_ATTEN_DB_12
*out_digi = adc_vol_diff_atten0 + 1540 - adc_vol_diff_atten3 - 123;
*out_vol_mv = 1370;
}