Note: The SI4703 requires a specific boot sequence — SDA must be pulled LOW before releasing RESET. This is handled automatically in SI4703Radio::begin(). Do not add an external pull-up on SDA before ...
#include "rom/gpio.h" #define GPIO_MATRIX_CONST_ZERO_INPUT GPIO_FUNC_IN_LOW #define GPIO_MATRIX_CONST_ONE_INPUT GPIO_FUNC_IN_HIGH ...