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adc: support adc self-calibration on esp32s3

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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
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4
examples/peripherals/adc/single_read/single_read/main/single_read.c
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@@ -54,9 +54,9 @@ static bool adc_calibration_init(void)
ret = esp_adc_cal_check_efuse(ADC_EXAMPLE_CALI_SCHEME);
if (ret == ESP_ERR_NOT_SUPPORTED) {
ESP_LOGW(TAG, "Calibration scheme not supported, skip calibration");
ESP_LOGW(TAG, "Calibration scheme not supported, skip software calibration");
} else if (ret == ESP_ERR_INVALID_VERSION) {
ESP_LOGW(TAG, "eFuse not burnt, skip calibration");
ESP_LOGW(TAG, "eFuse not burnt, skip software calibration");
} else if (ret == ESP_OK) {
cali_enable = true;
esp_adc_cal_characterize(ADC_UNIT_1, ADC_EXAMPLE_ATTEN, ADC_WIDTH_BIT_DEFAULT, 0, &adc1_chars);