pico-examples/pio/ir_nec/nec_receive_library/nec_receive.h

#include "pico/stdlib.h"
#include "hardware/pio.h"

// public API
//
int nec_rx_init (PIO pio, uint pin);
bool nec_decode_frame (uint32_t sm, uint8_t *p_address, uint8_t *p_data);