uart.h

/*
 * uart.h
 *
 * Created on: May 29, 2014
 *     Author: Ekawahyu Susilo
 *
 * Copyright (c) 2014, Chongqing Aisenke Electronic Technology Co., Ltd.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * 1. Redistributions of source code must retain the above copyright notice,
 *    this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright notice,
 *    this list of conditions and the following disclaimer in the documentation
 *    and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 *
 * The views and conclusions contained in the software and documentation are
 * those of the authors and should not be interpreted as representing official
 * policies, either expressed or implied, of the copyright holder.
 *
 */

#ifndef UART_H_
#define UART_H_

#ifdef __cplusplus
extern "C" {
#endif

#include <stdint.h>

#ifdef UART_CONF_STDOUT_PORT
#define UART_STDOUT_PORT UART_CONF_STDOUT_PORT
#else
#define UART_STDOUT_PORT 0
#endif

#define UART_SET_SPEED(N, M, E) do{ U##N##BAUD = M; U##N##GCR = E; } while(0)
#define UART_115_M   216
#define UART_115_E    11

#define UART_LOCK   0x80

void uart_init (void);
void putchar (uint8_t byte);

#ifdef __cplusplus
}
#endif

#endif /* UART_H_ */