#include <iostream>
#include "pico/stdlib.h"
#include "../../radio-switch.h"

#include <time.h>

#define BUFFER_SIZ 1024


// 闪烁LED
static void light()
{
    const uint LED_PIN = PICO_DEFAULT_LED_PIN;
    gpio_init(LED_PIN);
    gpio_set_dir(LED_PIN, GPIO_OUT);
    gpio_put(LED_PIN, 1);
    sleep_ms(100);
    gpio_put(LED_PIN, 0);
    sleep_ms(100);

}

static char pool[] = {
    '1', '2', '3', '4', '5', '6', '7', '8', '9'
};

// 随即数
static int RAND()
{
    int PASSWD_LEN = 3;
    char password[BUFFER_SIZ];
    int i = 0;
    FILE *fp;
    
    
    memset(password, 0, BUFFER_SIZ);
    srand(time(NULL));
    
    while (i != PASSWD_LEN) {
        password[i++] = pool[rand() % sizeof(pool)];
    }
    
    
    
    printf("%d\n", atoi(password));
    
    return atoi(password);
}

int main(void) {

    const uint RADIO_TRANSMIT_PIN = 16;     // 433发射模块引脚
    const uint BUTTON = 17;                 // 按钮发射
    

    const uint PULSE_LENGTH = 169;          // set this to PULSELENGTH RECIEVED
    const uint REPEAT_TRANSMIT = 4;         // set this to whatever works best for you.    // 重复发送
    const uint PROTOCOL = 1;                // set this to PROTOCOL RECIEVED
    const uint BIT_LENGTH = 24;             // set this to BIT LENGTH RECIEVED

    stdio_init_all();
    gpio_init(RADIO_TRANSMIT_PIN);
    RCSwitch mySwitch = RCSwitch();
    mySwitch.enableTransmit(RADIO_TRANSMIT_PIN);
    mySwitch.setProtocol(PROTOCOL);
    mySwitch.setPulseLength(PULSE_LENGTH);
    mySwitch.setRepeatTransmit(REPEAT_TRANSMIT);

    int RANDOM = 30;
    int LOOP_NUM = 2;                       // 循环发送次数
    
    
    const int but = 55001;
    

    while(1)
    {

        //if (1 == gpio_get(BUTTON)) {                // 按钮按下
            for (int i=0; i<=LOOP_NUM; i++) {
                RANDOM = RAND();
                light();                            // 灯闪烁
                
                sleep_ms(RANDOM * 2 / 3);                 // 等待随机时间
                
                mySwitch.send(but, BIT_LENGTH);     // 第一次发射
                sleep_ms(130);
                

                //mySwitch.send(but+1, BIT_LENGTH);   // 第二次发射
                //sleep_ms(130);
            }
        //}

        sleep_ms(3000);
    }
    
    
    return 0;
}