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|
/*===============================================================*\
| Project: RTEMS remote gdb over serial line |
+-----------------------------------------------------------------+
| File: termios_printk.h |
+-----------------------------------------------------------------+
| Copyright (c) 2002 IMD |
| Ingenieurbuero fuer Microcomputertechnik Th. Doerfler |
| <Thomas.Doerfler@imd-systems.de> |
| all rights reserved |
+-----------------------------------------------------------------+
| this file declares intialization functions to add |
| printk polled output via termios polled drivers |
| |
+-----------------------------------------------------------------+
| date history ID |
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
| 13.04.02 creation doe |
\*===============================================================*/
/*
* $Id$
*/
#ifndef _TERMIOS_PRINTK_H
#define _TERMIOS_PRINTK_H
#include <rtems.h>
#include <termios.h>
typedef struct {
uint32_t baudrate; /* debug baud rate, e.g. 57600 */
void (*callout)(void); /* callout pointer during polling */
const char *devname; /* debug device, e.g. "/dev/tty01" */
} termios_printk_conf_t;
/*
* must be defined in init module...
*/
extern termios_printk_conf_t termios_printk_conf;
/*=========================================================================*\
| Function: |
\*-------------------------------------------------------------------------*/
void termios_printk_outputchar
/*-------------------------------------------------------------------------*\
| Purpose: |
| send one character to serial port |
+---------------------------------------------------------------------------+
| Input Parameters: |
\*-------------------------------------------------------------------------*/
(
char c /* character to print */
);
/*-------------------------------------------------------------------------*\
| Return Value: |
| <none> |
\*=========================================================================*/
/*=========================================================================*\
| Function: |
\*-------------------------------------------------------------------------*/
char termios_printk_inputchar
/*-------------------------------------------------------------------------*\
| Purpose: |
| wait for one character from serial port |
+---------------------------------------------------------------------------+
| Input Parameters: |
\*-------------------------------------------------------------------------*/
(
void /* none */
);
/*-------------------------------------------------------------------------*\
| Return Value: |
| received character |
\*=========================================================================*/
/*=========================================================================*\
| Function: |
\*-------------------------------------------------------------------------*/
int termios_printk_open
/*-------------------------------------------------------------------------*\
| Purpose: |
| try to open given serial debug port |
+---------------------------------------------------------------------------+
| Input Parameters: |
\*-------------------------------------------------------------------------*/
(
const char *dev_name, /* name of device to open */
uint32_t baudrate /* baud rate to use */
);
/*-------------------------------------------------------------------------*\
| Return Value: |
| 0 on success, -1 and errno otherwise |
\*=========================================================================*/
#endif /* _TERMIOS_PRINTK_H */
|
