alex/esp-idf
1
0
Fork 0
mirror of https://github.com/espressif/esp-idf.git synced 2025-12-05 08:27:30 +00:00
Code Issues Packages Projects Releases Wiki Activity

adc: support adc self-calibration on esp32s3

Browse Source
This commit is contained in:
Armando
2021-09-15 12:18:38 +08:00
parent 6704f4c92f
commit ddd0235783
5 changed files with 55 additions and 15 deletions
Download Patch File Download Diff File Expand all files Collapse all files

11
components/driver/adc_common.c
View File

@@ -247,11 +247,16 @@ uint32_t adc_get_calibration_offset(adc_ll_num_t adc_n, adc_channel_t channel, a
uint32_t init_code = 0;
if (version == 1) {
init_code = esp_efuse_rtc_calib_get_init_code(version, adc_n, atten);
s_adc_cali_param[adc_n][atten] = init_code;
} else {
ESP_LOGW(ADC_TAG, "Calibration eFuse is not configured, skip calibration");
ESP_LOGV(ADC_TAG, "Calibration eFuse is not configured, use self-calibration for ICode");
adc_power_acquire();
RTC_ENTER_CRITICAL();
const bool internal_gnd = true;
init_code = adc_hal_self_calibration(adc_n, channel, atten, internal_gnd);
RTC_EXIT_CRITICAL();
adc_power_release();
}
s_adc_cali_param[adc_n][atten] = init_code;
return s_adc_cali_param[adc_n][atten];
}
#elif CONFIG_IDF_TARGET_ESP32S2