DigitalInfinity/ESP32-PaxCounter
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adcread.cpp: code sanitization

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This commit is contained in:
Klaus K Wilting 2018-06-03 17:43:42 +02:00
parent 21602c705e
commit ede1cd77a5
1 changed files with 15 additions and 13 deletions
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28
src/adcread.cpp
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@ -11,22 +11,23 @@
// Local logging tag
static const char TAG[] = "main";
static void print_char_val_type(esp_adc_cal_value_t val_type)
{
if (val_type == ESP_ADC_CAL_VAL_EFUSE_TP) {
ESP_LOGI(TAG,"ADC calibration using efuse Two Point Value");
} else if (val_type == ESP_ADC_CAL_VAL_EFUSE_VREF) {
ESP_LOGI(TAG,"ADC calibration using eFuse Vref");
} else {
ESP_LOGI(TAG,"ADC calibration using default Vref");
#ifdef VERBOSE
static void print_char_val_type(esp_adc_cal_value_t val_type)
{
if (val_type == ESP_ADC_CAL_VAL_EFUSE_TP) {
ESP_LOGI(TAG,"ADC characterization based on Two Point values stored in eFuse");
} else if (val_type == ESP_ADC_CAL_VAL_EFUSE_VREF) {
ESP_LOGI(TAG,"ADC characterization based on reference voltage stored in eFuse");
} else {
ESP_LOGI(TAG,"ADC characterization based on default reference voltage");
}
}
}
#endif
uint16_t read_voltage(void)
{
static const adc1_channel_t channel = HAS_BATTERY_PROBE;
static const adc_atten_t atten = ADC_ATTEN_DB_11;
static const adc_unit_t unit = ADC_UNIT_1;
//configure ADC1
ESP_ERROR_CHECK(adc1_config_width(ADC_WIDTH_BIT_12));
@ -34,9 +35,10 @@ uint16_t read_voltage(void)
//calibrate ADC1
esp_adc_cal_characteristics_t *adc_chars = (esp_adc_cal_characteristics_t *) calloc(1, sizeof(esp_adc_cal_characteristics_t));
esp_adc_cal_value_t val_type = esp_adc_cal_characterize(unit, atten, ADC_WIDTH_BIT_12, DEFAULT_VREF, adc_chars);
print_char_val_type(val_type);
#ifdef VERBOSE
print_char_val_type(esp_adc_cal_characterize(ADC_UNIT_1, atten, ADC_WIDTH_BIT_12, DEFAULT_VREF, adc_chars));
#endif
//multisample ADC1
uint32_t adc_reading = 0;
for (int i = 0; i < NO_OF_SAMPLES; i++) {