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- Sun Feb 27, 2022 3:55 am
- Forum: ESP-IDF
- Topic: Mapping GPIO pins to ADC channel
- Replies: 1
- Views: 4186
Re: Mapping GPIO pins to ADC channel
I know this is a very old topic, but I ran into the issue of wanting to convert a given GPIO pin # to the corresponding ADC without having to create a mapping for each of the ESP32 variants. I came up with the following CPP macros to achieve this: #define _ADC_TO_GPIO(x) x ## _GPIO_NUM #define ADC_T...