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/*===============================================================*\
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| Project: RTEMS remote gdb over serial line |
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+-----------------------------------------------------------------+
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| File: termios_printk.h |
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+-----------------------------------------------------------------+
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| Copyright (c) 2002 IMD |
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| Ingenieurbuero fuer Microcomputertechnik Th. Doerfler |
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| <Thomas.Doerfler@imd-systems.de> |
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| all rights reserved |
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+-----------------------------------------------------------------+
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| this file declares intialization functions to add |
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| printk polled output via termios polled drivers |
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+-----------------------------------------------------------------+
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| date history ID |
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| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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| 13.04.02 creation doe |
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\*===============================================================*/
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/*
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* termios_printk.h,v 1.1 2002/06/27 21:25:14 joel Exp
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*/
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#ifndef _TERMIOS_PRINTK_H
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#define _TERMIOS_PRINTK_H
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#include <rtems.h>
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#include <termios.h>
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typedef struct {
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unsigned32 baudrate; /* debug baud rate, e.g. 57600 */
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void (*callout)(void); /* callout pointer during polling */
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const char *devname; /* debug device, e.g. "/dev/tty01" */
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} termios_printk_conf_t;
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/*
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* must be defined in init module...
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*/
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extern termios_printk_conf_t termios_printk_conf;
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/*=========================================================================*\
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| Function: |
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\*-------------------------------------------------------------------------*/
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void termios_printk_outputchar
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/*-------------------------------------------------------------------------*\
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| Purpose: |
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| send one character to serial port |
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+---------------------------------------------------------------------------+
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| Input Parameters: |
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\*-------------------------------------------------------------------------*/
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(
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char c /* character to print */
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);
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/*-------------------------------------------------------------------------*\
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| Return Value: |
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| <none> |
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\*=========================================================================*/
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/*=========================================================================*\
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| Function: |
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\*-------------------------------------------------------------------------*/
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char termios_printk_inputchar
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/*-------------------------------------------------------------------------*\
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| Purpose: |
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| wait for one character from serial port |
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+---------------------------------------------------------------------------+
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| Input Parameters: |
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\*-------------------------------------------------------------------------*/
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(
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void /* none */
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);
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/*-------------------------------------------------------------------------*\
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| Return Value: |
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| received character |
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\*=========================================================================*/
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/*=========================================================================*\
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| Function: |
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\*-------------------------------------------------------------------------*/
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int termios_printk_open
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/*-------------------------------------------------------------------------*\
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| Purpose: |
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| try to open given serial debug port |
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+---------------------------------------------------------------------------+
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| Input Parameters: |
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\*-------------------------------------------------------------------------*/
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(
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const char *dev_name, /* name of device to open */
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unsigned32 baudrate /* baud rate to use */
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);
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/*-------------------------------------------------------------------------*\
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| Return Value: |
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| 0 on success, -1 and errno otherwise |
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\*=========================================================================*/
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#endif /* _TERMIOS_PRINTK_H */
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