1 | /*===============================================================*\ |
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2 | | Project: RTEMS remote gdb over serial line | |
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3 | +-----------------------------------------------------------------+ |
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4 | | File: termios_printk.h | |
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5 | +-----------------------------------------------------------------+ |
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6 | | Copyright (c) 2002 IMD | |
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7 | | Ingenieurbuero fuer Microcomputertechnik Th. Doerfler | |
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8 | | <Thomas.Doerfler@imd-systems.de> | |
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9 | | all rights reserved | |
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10 | +-----------------------------------------------------------------+ |
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11 | | this file declares intialization functions to add | |
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12 | | printk polled output via termios polled drivers | |
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13 | | | |
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14 | +-----------------------------------------------------------------+ |
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15 | | date history ID | |
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16 | | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ | |
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17 | | 13.04.02 creation doe | |
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18 | \*===============================================================*/ |
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19 | /* |
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20 | * $Id$ |
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21 | */ |
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22 | #ifndef _TERMIOS_PRINTK_H |
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23 | #define _TERMIOS_PRINTK_H |
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24 | |
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25 | #include <rtems.h> |
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26 | #include <termios.h> |
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27 | |
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28 | typedef struct { |
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29 | uint32_t baudrate; /* debug baud rate, e.g. 57600 */ |
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30 | void (*callout)(void); /* callout pointer during polling */ |
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31 | const char *devname; /* debug device, e.g. "/dev/tty01" */ |
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32 | } termios_printk_conf_t; |
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33 | |
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34 | /* |
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35 | * must be defined in init module... |
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36 | */ |
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37 | extern termios_printk_conf_t termios_printk_conf; |
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38 | |
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39 | /*=========================================================================*\ |
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40 | | Function: | |
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41 | \*-------------------------------------------------------------------------*/ |
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42 | void termios_printk_outputchar |
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43 | /*-------------------------------------------------------------------------*\ |
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44 | | Purpose: | |
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45 | | send one character to serial port | |
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46 | +---------------------------------------------------------------------------+ |
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47 | | Input Parameters: | |
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48 | \*-------------------------------------------------------------------------*/ |
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49 | ( |
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50 | char c /* character to print */ |
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51 | ); |
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52 | /*-------------------------------------------------------------------------*\ |
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53 | | Return Value: | |
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54 | | <none> | |
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55 | \*=========================================================================*/ |
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56 | |
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57 | /*=========================================================================*\ |
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58 | | Function: | |
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59 | \*-------------------------------------------------------------------------*/ |
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60 | char termios_printk_inputchar |
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61 | /*-------------------------------------------------------------------------*\ |
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62 | | Purpose: | |
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63 | | wait for one character from serial port | |
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64 | +---------------------------------------------------------------------------+ |
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65 | | Input Parameters: | |
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66 | \*-------------------------------------------------------------------------*/ |
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67 | ( |
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68 | void /* none */ |
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69 | ); |
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70 | /*-------------------------------------------------------------------------*\ |
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71 | | Return Value: | |
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72 | | received character | |
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73 | \*=========================================================================*/ |
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74 | |
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75 | |
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76 | /*=========================================================================*\ |
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77 | | Function: | |
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78 | \*-------------------------------------------------------------------------*/ |
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79 | int termios_printk_open |
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80 | |
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81 | /*-------------------------------------------------------------------------*\ |
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82 | | Purpose: | |
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83 | | try to open given serial debug port | |
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84 | +---------------------------------------------------------------------------+ |
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85 | | Input Parameters: | |
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86 | \*-------------------------------------------------------------------------*/ |
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87 | ( |
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88 | const char *dev_name, /* name of device to open */ |
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89 | uint32_t baudrate /* baud rate to use */ |
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90 | ); |
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91 | /*-------------------------------------------------------------------------*\ |
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92 | | Return Value: | |
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93 | | 0 on success, -1 and errno otherwise | |
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94 | \*=========================================================================*/ |
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95 | #endif /* _TERMIOS_PRINTK_H */ |
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