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Fix reading PADC_VREF #156

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Fix reading PADC_VREF #156

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93558ce
Fix for reading PADC_VREF 1.2V reference voltage
maxint-rd May 14, 2024
705355a
Merge branch 'openwch:main' into Fix-reading-PADC_VREF
maxint-rd Oct 5, 2024
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7 changes: 7 additions & 0 deletions cores/arduino/pins_arduino.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -39,6 +39,13 @@ WEAK uint32_t pinNametoDigitalPin(PinName p)
PinName analogInputToPinName(uint32_t pin)
{
PinName pn = digitalPinToPinName(analogInputToDigitalPin(pin));
// MMOLE 240330: Don't know what's going on, but PADC_VREF maps to PA_1 instead of just PADC_VREF
// --->>>
#ifdef ADC_MODULE_ENABLED
if(pin==PADC_VREF)
return(PADC_VREF);
#endif
// <<<---
if (pn == NC) {
switch (pin) {
#if defined(ADC_CHANNEL_TEMPSENSOR) || defined(ADC_CHANNEL_TEMPSENSOR_ADC1)
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