#pragma once

#include <stddef.h>

#define DEBUG(x) { \
  uart_puts(#x " = "); \
  uart_hex((unsigned int)(unsigned long)x); \
  uart_puts(ENDL); \
}

#define DEBUG_s(x) { \
  uart_puts(#x " = "); \
  uart_puts(x); \
  uart_puts(ENDL); \
}

void uart_init();
void uart_send(unsigned int c);
uint8_t uart_getb();
char uart_getc();
void uart_puts(const char *s);
void uart_hex(unsigned int d);
void uart_int(int d);

extern int is_uart_init;