1 | /* |
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2 | * This file contains a test fixture termios device driver |
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3 | * |
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4 | * COPYRIGHT (c) 1989-2009. |
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5 | * On-Line Applications Research Corporation (OAR). |
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6 | * |
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7 | * The license and distribution terms for this file may be |
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8 | * found in the file LICENSE in this distribution or at |
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9 | * http://www.rtems.com/license/LICENSE. |
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10 | * |
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11 | * $Id$ |
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12 | */ |
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13 | |
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14 | #include "tmacros.h" |
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15 | #include <rtems/libio.h> |
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16 | #include <stdlib.h> |
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17 | #include <termios.h> |
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18 | #include <rtems/termiostypes.h> |
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19 | #include "termios_testdriver.h" |
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20 | |
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21 | int termios_test_driver_inbyte_nonblocking( int port ) |
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22 | { |
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23 | return -1; |
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24 | } |
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25 | |
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26 | void termios_test_driver_outbyte_polled( |
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27 | int port, |
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28 | char ch |
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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 | int termios_test_driver_write_support (int minor, const char *buf, int len) |
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34 | { |
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35 | int nwrite = 0; |
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36 | |
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37 | while (nwrite < len) { |
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38 | #if (TERMIOS_TEST_DRIVER_USE_INTERRUPTS) |
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39 | termios_test_driver_outbyte_interrupt( minor, *buf++ ); |
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40 | #else |
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41 | termios_test_driver_outbyte_polled( minor, *buf++ ); |
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42 | #endif |
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43 | nwrite++; |
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44 | } |
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45 | return nwrite; |
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46 | } |
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47 | |
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48 | |
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49 | /* |
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50 | * Set Attributes Handler |
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51 | */ |
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52 | int termios_test_driver_set_attributes( |
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53 | int minor, |
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54 | const struct termios *t |
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55 | ) |
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56 | { |
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57 | int baud_requested; |
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58 | int number; |
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59 | const char *parity = "NONE"; |
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60 | const char *char_size = "5"; |
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61 | const char *stop = "NONE"; |
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62 | |
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63 | baud_requested = t->c_cflag & CBAUD; |
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64 | |
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65 | number = rtems_termios_baud_to_number( baud_requested ); |
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66 | |
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67 | /* |
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68 | * Parity |
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69 | */ |
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70 | if (t->c_cflag & PARENB) { |
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71 | parity = "EVEN"; |
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72 | if (!(t->c_cflag & PARODD)) |
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73 | parity = "ODD"; |
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74 | } |
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75 | |
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76 | /* |
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77 | * Character Size |
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78 | */ |
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79 | if (t->c_cflag & CSIZE) { |
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80 | switch (t->c_cflag & CSIZE) { |
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81 | case CS5: char_size = "5"; break; |
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82 | case CS6: char_size = "6"; break; |
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83 | case CS7: char_size = "7"; break; |
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84 | case CS8: char_size = "8"; break; |
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85 | } |
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86 | } |
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87 | |
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88 | /* |
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89 | * Stop Bits |
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90 | */ |
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91 | if (t->c_cflag & CSTOPB) |
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92 | stop = "2"; |
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93 | else |
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94 | stop = "1"; |
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95 | |
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96 | printf( |
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97 | "set_attributes - B%d %s-%s-%s\n", |
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98 | number, |
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99 | char_size, |
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100 | parity, |
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101 | stop |
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102 | ); |
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103 | return 0; |
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104 | } |
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105 | |
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106 | /* |
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107 | * Test Device Driver Entry Points |
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108 | */ |
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109 | rtems_device_driver termios_test_driver_initialize( |
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110 | rtems_device_major_number major, |
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111 | rtems_device_minor_number minor, |
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112 | void *arg |
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113 | ) |
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114 | { |
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115 | rtems_status_code sc; |
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116 | |
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117 | rtems_termios_initialize(); |
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118 | |
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119 | /* |
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120 | * Register Device Names |
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121 | */ |
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122 | puts( |
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123 | "Termios_test_driver - rtems_io_register " |
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124 | TERMIOS_TEST_DRIVER_DEVICE_NAME " - OK" |
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125 | ); |
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126 | sc = rtems_io_register_name( TERMIOS_TEST_DRIVER_DEVICE_NAME, major, 0 ); |
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127 | directive_failed( sc, "rtems_io_register_name" ); |
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128 | |
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129 | return RTEMS_SUCCESSFUL; |
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130 | } |
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131 | |
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132 | rtems_device_driver termios_test_driver_open( |
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133 | rtems_device_major_number major, |
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134 | rtems_device_minor_number minor, |
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135 | void * arg |
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136 | ) |
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137 | { |
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138 | rtems_status_code sc; |
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139 | int rc; |
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140 | rtems_libio_open_close_args_t *args = arg; |
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141 | static const rtems_termios_callbacks Callbacks = { |
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142 | NULL, /* firstOpen */ |
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143 | NULL, /* lastClose */ |
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144 | termios_test_driver_inbyte_nonblocking, /* pollRead */ |
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145 | termios_test_driver_write_support, /* write */ |
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146 | termios_test_driver_set_attributes, /* setAttributes */ |
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147 | NULL, /* stopRemoteTx */ |
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148 | NULL, /* startRemoteTx */ |
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149 | 0 /* outputUsesInterrupts */ |
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150 | }; |
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151 | |
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152 | if ( minor > 2 ) { |
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153 | puts( "ERROR - Termios_testdriver - only 1 minor supported" ); |
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154 | rtems_test_exit(0); |
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155 | } |
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156 | |
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157 | sc = rtems_termios_open (major, minor, arg, &Callbacks); |
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158 | directive_failed( sc, "rtems_termios_open" ); |
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159 | |
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160 | puts( "Termios_test_driver - rtems_set_initial_baud - bad baud - OK" ); |
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161 | rc = rtems_termios_set_initial_baud( args->iop->data1, 5000 ); |
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162 | if ( rc != -1 ) { |
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163 | printf( "ERROR - return %d\n", rc ); |
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164 | rtems_test_exit(0); |
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165 | } |
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166 | |
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167 | puts( "Termios_test_driver - rtems_set_initial_baud - 38400 - OK" ); |
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168 | rc = rtems_termios_set_initial_baud( args->iop->data1, 38400 ); |
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169 | if ( rc ) { |
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170 | printf( "ERROR - return %d\n", rc ); |
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171 | rtems_test_exit(0); |
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172 | } |
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173 | |
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174 | return RTEMS_SUCCESSFUL; |
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175 | } |
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176 | |
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177 | rtems_device_driver termios_test_driver_close( |
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178 | rtems_device_major_number major, |
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179 | rtems_device_minor_number minor, |
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180 | void * arg |
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181 | ) |
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182 | { |
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183 | return rtems_termios_close (arg); |
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184 | } |
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185 | |
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186 | rtems_device_driver termios_test_driver_read( |
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187 | rtems_device_major_number major, |
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188 | rtems_device_minor_number minor, |
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189 | void * arg |
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190 | ) |
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191 | { |
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192 | return rtems_termios_read (arg); |
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193 | } |
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194 | |
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195 | rtems_device_driver termios_test_driver_write( |
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196 | rtems_device_major_number major, |
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197 | rtems_device_minor_number minor, |
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198 | void * arg |
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199 | ) |
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200 | { |
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201 | return rtems_termios_write (arg); |
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202 | } |
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203 | |
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204 | rtems_device_driver termios_test_driver_control( |
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205 | rtems_device_major_number major, |
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206 | rtems_device_minor_number minor, |
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207 | void * arg |
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208 | ) |
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209 | { |
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210 | return rtems_termios_ioctl (arg); |
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211 | } |
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