/* This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 */
/* Copyright (c) 2016 King Kévin <kingkevin@cuvoodoo.info> */
/* this library handles USART communication over pulse coded InfraRed transmission */
/* peripherals used: USART, timer (check source for details) */
#pragma once

/* show the user how much data has been received and is available */
extern volatile uint8_t usart_ir_received;

/* setup USART/IR peripheral */
void usart_ir_setup(void);
/* put character on USART/IR (blocking) */
void usart_ir_putchar_blocking(char c);
/* ensure all data has been transmitted (blocking) */
void usart_ir_flush(void);
/* get character from USART/IR (blocking) */
char usart_ir_getchar(void);
/* put character on USART/IR (non-blocking until buffer is full) */
void usart_ir_putchar_nonblocking(char c);