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Fix compile warning

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This commit is contained in:
Scott Lahteine 2019-10-15 17:05:32 -05:00
parent 3949d246df
commit 0ff57c640c
1 changed files with 7 additions and 5 deletions
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12
Marlin/src/HAL/HAL_ESP32/HAL.cpp
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@ -187,19 +187,21 @@ void HAL_adc_start_conversion(uint8_t adc_pin) {
const adc1_channel_t chan = get_channel(adc_pin);
uint32_t mv;
esp_adc_cal_get_voltage((adc_channel_t)chan, &characteristics[attenuations[chan]], &mv);
HAL_adc_result = mv * 1023.0 / 3300.0;
// Change the attenuation level based on the new reading
adc_atten_t atten;
if (mv < thresholds[ADC_ATTEN_DB_0] - 100)
adc1_set_attenuation(chan, ADC_ATTEN_DB_0);
atten = ADC_ATTEN_DB_0;
else if (mv > thresholds[ADC_ATTEN_DB_0] - 50 && mv < thresholds[ADC_ATTEN_DB_2_5] - 100)
adc1_set_attenuation(chan, ADC_ATTEN_DB_2_5);
atten = ADC_ATTEN_DB_2_5;
else if (mv > thresholds[ADC_ATTEN_DB_2_5] - 50 && mv < thresholds[ADC_ATTEN_DB_6] - 100)
adc1_set_attenuation(chan, ADC_ATTEN_DB_6);
atten = ADC_ATTEN_DB_6;
else if (mv > thresholds[ADC_ATTEN_DB_6] - 50)
adc1_set_attenuation(chan, ADC_ATTEN_DB_11);
atten = ADC_ATTEN_DB_11;
else return;
HAL_adc_result = mv * 1023.0 / 3300.0;
adc1_set_attenuation(chan, atten);
}
void analogWrite(pin_t pin, int value) {