#include <stdio.h>
#include "pico/stdlib.h"
#include "pico/cyw43_arch.h"
#include "hardware/irq.h"
#include "hardware/uart.h"

int main() {
  char var;
  char data_to_uart1;
  char data_from_uart1;

  stdio_init_all();

 

  uart_init(uart0, 115200);
 
  uart_init(uart1, 115200);

  uart_set_fifo_enabled(uart1, false);
  uart_set_fifo_enabled(uart0, false);

  gpio_set_function(0, GPIO_FUNC_UART);
  gpio_set_function(1, GPIO_FUNC_UART);
  gpio_set_function(8, GPIO_FUNC_UART);
  gpio_set_function(9, GPIO_FUNC_UART);

  printf("Hello, Wokwi!\n");

  while (true) {
    sleep_ms(200);

    data_from_uart1 = '\0';
    scanf(" %c", &var);
    data_to_uart1 = var;

    uart_putc_raw(uart0, data_to_uart1);

    sleep_ms(100);
    
    while(!uart_is_readable(uart1)) {
      sleep_ms(20);
    }
    while(uart_is_readable(uart1)) {
      data_from_uart1  = uart_getc(uart1);
    }

    if (data_from_uart1 != '\0') {

      printf(" Dado recebido da uart1: %c\n", data_from_uart1);
    }

  }
}