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1 /************************************************************************************************** |
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2 * |
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3 * aip_com.h |
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4 * |
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5 * Macros für Kommunikation über serielle Schnittstelle |
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6 * Basiert auf rt_com.h von rtai !! (siehe unten) |
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7 * |
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8 * |
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9 * Autor: Wilhelm Hagemeister |
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10 * |
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11 * (C) Copyright IgH 2002 |
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12 * Ingenieurgemeinschaft IgH |
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13 * Heinz-Bäcker Str. 34 |
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14 * D-45356 Essen |
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15 * Tel.: +49 201/61 99 31 |
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16 * Fax.: +49 201/61 98 36 |
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17 * E-mail: hm@igh-essen.com |
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18 * |
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19 * |
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20 * $RCSfile: aip_com.h,v $ |
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21 * $Revision: 1.1 $ |
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22 * $Author: hm $ |
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23 * $Date: 2004/09/30 15:50:32 $ |
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24 * $State: Exp $ |
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25 * |
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26 * |
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27 * |
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28 * |
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29 * |
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30 * |
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31 * |
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32 * |
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33 * |
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34 **************************************************************************************************/ |
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35 |
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36 /** rt_com |
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37 * ====== |
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38 * |
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39 * RT-Linux kernel module for communication across serial lines. |
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40 * |
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41 * Copyright (C) 1997 Jens Michaelsen |
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42 * Copyright (C) 1997-2000 Jochen Kupper |
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43 * Copyright (C) 2002 Giuseppe Renoldi |
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44 * |
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45 * This program is free software; you can redistribute it and/or |
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46 * modify it under the terms of the GNU General Public License as |
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47 * published by the Free Software Foundation; either version 2 of the |
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48 * License, or (at your option) any later version. |
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49 * |
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50 * This program is distributed in the hope that it will be useful, but |
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51 * WITHOUT ANY WARRANTY; without even the implied warranty of |
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52 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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53 * General Public License for more details. |
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54 * |
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55 * You should have received a copy of the GNU General Public License |
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56 * along with this program; see the file License. if not, write to the |
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57 * Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, |
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58 * MA 02111-1307, USA. |
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59 * |
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60 * $Id: aip_com.h,v 1.1 2004/09/30 15:50:32 hm Exp $ */ |
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61 |
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62 |
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63 |
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64 #ifndef AIP_COM_H |
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65 #define AIP_COM_H |
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66 |
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67 /** This is the interface definition of the plain rt_com API. |
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68 * |
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69 * This should be all you need to use rt_com within your real-time |
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70 * kernel module. |
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71 * |
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72 * (When POSIX is done, we will reference the appropriate header |
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73 * here - probably depending on a flag.) */ |
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74 |
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75 int init_aip_com(void); //Hm, IgH |
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76 void cleanup_aip_com(void); //Hm, IgH |
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77 |
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78 |
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79 /** specify hardware parameters, set-up communication parameters */ |
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80 extern int rt_com_hwsetup( unsigned int ttyS, int base, int irq ); |
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81 extern int rt_com_setup( unsigned int ttyS, int baud, int mode, |
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82 unsigned int parity, unsigned int stopbits, |
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83 unsigned int wordlength, int fifotrig ); |
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84 |
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85 /** read/write from/to input/output buffer */ |
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86 extern int rt_com_read( unsigned int, char *, int ); |
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87 extern int rt_com_write( unsigned int ttyS, char *buffer, int count ); |
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88 |
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89 /** clear input or output buffer */ |
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90 extern int rt_com_clear_input( unsigned int ttyS ); |
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91 extern int rt_com_clear_output( unsigned int ttyS ); |
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92 |
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93 /** read input signal from modem (CTS,DSR,RI,DCD), set output signal |
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94 * for modem control (DTR,RTS) */ |
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95 extern int rt_com_read_modem( unsigned int ttyS, int signal ); |
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96 extern int rt_com_write_modem( unsigned int ttyS, int signal, int value ); |
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97 |
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98 /** functioning mode and fifo trigger setting */ |
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99 extern int rt_com_set_mode( unsigned int ttyS, int mode); |
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100 extern int rt_com_set_fifotrig( unsigned int ttyS, int fifotrig); |
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101 |
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102 /** return last error detected */ |
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103 extern int rt_com_error( unsigned int ttyS ); |
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104 |
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105 |
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106 /** size of internal queues, this is constant during module lifetime */ |
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107 extern unsigned int rt_com_buffersize; |
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108 |
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109 #define rt_com_set_param rt_com_hwsetup |
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110 #define rt_com_setup_old(a,b,c,d,e) rt_com_setup((a),(b),0,(c),(d),(e),-1) |
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111 |
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112 |
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113 /** functioning modes */ |
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114 #define RT_COM_NO_HAND_SHAKE 0x00 |
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115 #define RT_COM_DSR_ON_TX 0x01 |
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116 #define RT_COM_HW_FLOW 0x02 |
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117 |
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118 /** parity flags */ |
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119 #define RT_COM_PARITY_EVEN 0x18 |
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120 #define RT_COM_PARITY_NONE 0x00 |
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121 #define RT_COM_PARITY_ODD 0x08 |
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122 #define RT_COM_PARITY_HIGH 0x28 |
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123 #define RT_COM_PARITY_LOW 0x38 |
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124 |
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125 /* FIFO Control */ |
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126 #define RT_COM_FIFO_DISABLE 0x00 |
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127 #define RT_COM_FIFO_SIZE_1 0x00 |
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128 #define RT_COM_FIFO_SIZE_4 0x40 |
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129 #define RT_COM_FIFO_SIZE_8 0x80 |
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130 #define RT_COM_FIFO_SIZE_14 0xC0 |
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131 |
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132 /** rt_com_write_modem masks */ |
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133 #define RT_COM_DTR 0x01 |
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134 #define RT_COM_RTS 0x02 |
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135 |
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136 /** rt_com_read_modem masks */ |
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137 #define RT_COM_CTS 0x10 |
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138 #define RT_COM_DSR 0x20 |
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139 #define RT_COM_RI 0x40 |
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140 #define RT_COM_DCD 0x80 |
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141 |
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142 /** rt_com_error masks */ |
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143 #define RT_COM_BUFFER_FULL 0x01 |
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144 #define RT_COM_OVERRUN_ERR 0x02 |
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145 #define RT_COM_PARITY_ERR 0x04 |
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146 #define RT_COM_FRAMING_ERR 0x08 |
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147 #define RT_COM_BREAK 0x10 |
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148 |
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149 |
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150 #endif /* RT_COM_H */ |
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151 |
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152 |
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153 |
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154 /** |
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155 * Local Variables: |
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156 * mode: C |
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157 * c-file-style: "Stroustrup" |
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158 * End: |
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159 */ |