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Fix wrong attenuation being set to pins (#5522)

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Fixes: https://github.com/espressif/arduino-esp32/issues/5503
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Me No Dev 2021-08-11 13:05:26 +03:00 committed by GitHub
parent 5bb8177aa1
commit 5fd737925f
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1 changed files with 4 additions and 1 deletions
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3
cores/esp32/esp32-hal-adc.c
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@ -104,8 +104,10 @@ void __analogSetPinAttenuation(uint8_t pin, adc_attenuation_t attenuation)
adc1_config_channel_atten(channel, attenuation); adc1_config_channel_atten(channel, attenuation);
} }
__analogInit(); __analogInit();
if((__pin_attenuation[pin] != ADC_ATTENDB_MAX) || (attenuation != __analogAttenuation)){
__pin_attenuation[pin] = attenuation; __pin_attenuation[pin] = attenuation;
} }
}
bool __adcAttachPin(uint8_t pin){ bool __adcAttachPin(uint8_t pin){
int8_t channel = digitalPinToAnalogChannel(pin); int8_t channel = digitalPinToAnalogChannel(pin);
@ -113,6 +115,7 @@ bool __adcAttachPin(uint8_t pin){
log_e("Pin %u is not ADC pin!", pin); log_e("Pin %u is not ADC pin!", pin);
return false; return false;
} }
__analogInit();
int8_t pad = digitalPinToTouchChannel(pin); int8_t pad = digitalPinToTouchChannel(pin);
if(pad >= 0){ if(pad >= 0){
#if CONFIG_IDF_TARGET_ESP32 #if CONFIG_IDF_TARGET_ESP32