#ifndef UART_H_
#define UART_H_

#include "includes.h"

/**
 * Initializes the UART to 9600 baud.
 */
void uart_init();

/**
 * Sends a single byte of data to the UART.
 */
void uart_write(uint8_t byte);

/**
 * Returns true if the UART has data to receive.
 */
bool uart_has_data();

/**
 * Reads one byte of data from the UART.
 * Returns 0 if there is no data.
 */
uint8_t uart_read();

/**
 * Returns the amount of room in the UART send buffer.
 */
uint8_t uart_send_space_left();

/**
 * Tells the wireless interface to transmit.
 */
void uart_finish();

#endif /*UART_H_*/