#include "nec_receive.h"
#include "nec_transmit_pio.h"
#include <stdio.h>
#include <stdlib.h>
#define RX_PIN 28
#define TX_PIN 16
#define PIO_INSTANCE pio0
#define ARRAY_SIZE(arr)   (sizeof(arr) / sizeof(arr)[0])
uint32_t remote_codes[] = {
    0x5da2ff00,  //POWER                                                            
    0xdd22ff00,  //TEST                                                             
    0xfd02ff00,  //PLUS                                                             
    0x3dc2ff00,  //BACK                                                             
    0x1de2ff00,  //MENU
    0x6f90ff00,  //NEXT
    0x57a8ff00,  //PLAY
    0x1fe0ff00,  //PREV
    0x9768ff00,  //0
    0x6798ff00,  //MINUS
    0x4fb0ff00,  //C
    0x857aff00,  //3
    0xe718ff00,  //2
    0xcf30ff00,  //1
    0xef10ff00,  //4
    0xc738ff00,  //5
    0xa55aff00,  //6
    0xad52ff00,  //9
    0xb54aff00,  //8
    0xbd42ff00,  //7
};
// Infrared loopback example ('NEC' format)
//
// Need to connect an IR LED to GPIO 14 via a suitable series resistor (e.g. 1.5k)
// and an active-low IR detector to GPIO 15 (e.g. VS1838b)
//
// Output is sent to stdout

int main() {
    stdio_init_all();

    PIO pio = pio0;                           
    // configure and enable the state machines
    int rx_sm = nec_rx_init(pio, RX_PIN); 

    uint tx_offset = pio_add_program(PIO_INSTANCE, &nec_program);
    int tx_sm = pio_claim_unused_sm(PIO_INSTANCE, true);
    nec_transmit_program_init(PIO_INSTANCE, tx_sm , tx_offset, TX_PIN);

    while (true) {
        pio_sm_put_blocking(PIO_INSTANCE, tx_sm, 
                            remote_codes[rand() % ARRAY_SIZE(remote_codes)]);
        // display any frames in the receive FIFO
        while (!pio_sm_is_rx_fifo_empty(pio, rx_sm)) {
            uint32_t rx_frame = pio_sm_get(pio, rx_sm);
            nec_print_frame(rx_frame);
        }
        sleep_ms(500);
    }
}