74 lines
1.7 KiB
C
74 lines
1.7 KiB
C
/*
|
|
* Copyright 2010 Steffen Vogel, Chair for Operating Systems,
|
|
* RWTH Aachen University
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*
|
|
* This file is part of MetalSVM.
|
|
*/
|
|
|
|
/**
|
|
* @author Steffen Vogel
|
|
* @file arch/x86/include/asm/uart.h
|
|
* @brief COM port related code
|
|
*/
|
|
|
|
#ifndef __ARCH_UART_H__
|
|
#define __ARCH_UART_H__
|
|
|
|
#include <metalsvm/stddef.h>
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
#ifdef CONFIG_UART
|
|
|
|
/** @brief Initialize VGA output and clear the screen */
|
|
void uart_init(void);
|
|
|
|
/** @brief Send a single character to the uart
|
|
*
|
|
* @return The original input character casted to int
|
|
*/
|
|
void uart_putchar(char c);
|
|
|
|
/** @brief Receive a single character on the uart
|
|
*
|
|
* @return The original input character casted to int
|
|
*/
|
|
char uart_getchar(void);
|
|
|
|
/** @brief Simple string output on screen.
|
|
*
|
|
* If you want a new line you will have to "\\n".
|
|
*
|
|
* @return Length of output in bytes
|
|
*/
|
|
void uart_puts(const char *str);
|
|
|
|
/** @brief Simple string output on screen.
|
|
*
|
|
* If you want a new line you will have to "\\n".
|
|
*
|
|
* @return Length of output in bytes
|
|
*/
|
|
int uart_gets(char *str, size_t len);
|
|
|
|
#endif
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif
|