#ifndef __USART_H
#define __USART_H

#include <stddef.h>
#include "proxmark3.h"

void usart_init(void);
void usart_close(void);

int usart_readbuffer(uint8_t *data, size_t len);
int16_t usart_writebuffer(uint8_t *data, size_t len);
#endif