#include "bsp.h"
#include "prepherials.h"
#include <stdio.h>

extern "C" {
int __io_putchar(int ch) { return usart1.send((uint8_t *) &ch, 1); }
}

int main() {
    system_init();
    setup_prepherials();
    pa.init(USART1_TX_Pin, AF, 7);
    pa.init(USART1_RX_Pin, AF, 7);
    usart1.init(int(1e6));
    pb.init(LED_BLUE_PIN);
    while (1) {
        pb.toggle(LED_BLUE_PIN);
        printf("hello world!\n");
        delay.ms(500, true);
    }
}