1 | /* SPDX-License-Identifier: BSD-2-Clause */ |
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2 | |
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3 | /** |
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4 | * @file |
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5 | * |
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6 | * This file contains a test fixture termios device driver. |
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7 | */ |
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8 | |
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9 | /* |
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10 | * COPYRIGHT (c) 1989-2012. |
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11 | * On-Line Applications Research Corporation (OAR). |
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12 | * |
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13 | * Redistribution and use in source and binary forms, with or without |
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14 | * modification, are permitted provided that the following conditions |
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15 | * are met: |
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16 | * 1. Redistributions of source code must retain the above copyright |
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17 | * notice, this list of conditions and the following disclaimer. |
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18 | * 2. Redistributions in binary form must reproduce the above copyright |
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19 | * notice, this list of conditions and the following disclaimer in the |
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20 | * documentation and/or other materials provided with the distribution. |
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21 | * |
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22 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
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23 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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24 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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25 | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE |
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26 | * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
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27 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
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28 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
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29 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
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30 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
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31 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
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32 | * POSSIBILITY OF SUCH DAMAGE. |
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33 | */ |
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34 | |
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35 | #ifdef HAVE_CONFIG_H |
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36 | #include "config.h" |
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37 | #endif |
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38 | |
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39 | #include "tmacros.h" |
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40 | #include <rtems/libio.h> |
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41 | #include <stdlib.h> |
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42 | #include <termios.h> |
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43 | #include <rtems/termiostypes.h> |
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44 | #include <rtems/libcsupport.h> |
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45 | #include <rtems/malloc.h> |
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46 | #include "termios_testdriver.h" |
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47 | |
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48 | /* forward declarations to avoid warnings */ |
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49 | int termios_test_driver_inbyte_nonblocking(int port); |
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50 | void termios_test_driver_outbyte_polled(int port, char ch); |
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51 | ssize_t termios_test_driver_write_support( |
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52 | int minor, |
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53 | const char *buf, |
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54 | size_t len |
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55 | ); |
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56 | int termios_test_driver_set_attributes( |
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57 | int minor, |
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58 | const struct termios *t |
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59 | ); |
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60 | |
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61 | int termios_test_driver_inbyte_nonblocking( int port ) |
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62 | { |
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63 | return -1; |
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64 | } |
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65 | |
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66 | void termios_test_driver_outbyte_polled( |
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67 | int port, |
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68 | char ch |
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69 | ) |
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70 | { |
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71 | } |
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72 | |
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73 | ssize_t termios_test_driver_write_support( |
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74 | int minor, |
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75 | const char *buf, |
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76 | size_t len |
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77 | ) |
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78 | { |
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79 | size_t nwrite = 0; |
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80 | |
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81 | while (nwrite < len) { |
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82 | #if (TERMIOS_TEST_DRIVER_USE_INTERRUPTS) |
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83 | termios_test_driver_outbyte_interrupt( minor, *buf++ ); |
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84 | #else |
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85 | termios_test_driver_outbyte_polled( minor, *buf++ ); |
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86 | #endif |
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87 | nwrite++; |
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88 | } |
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89 | return nwrite; |
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90 | } |
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91 | |
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92 | |
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93 | /* |
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94 | * Set Attributes Handler |
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95 | */ |
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96 | int termios_test_driver_set_attributes( |
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97 | int minor, |
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98 | const struct termios *t |
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99 | ) |
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100 | { |
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101 | int baud_requested; |
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102 | int number; |
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103 | const char *parity = "NONE"; |
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104 | const char *char_size = "5"; |
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105 | const char *stop = "NONE"; |
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106 | |
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107 | baud_requested = t->c_ispeed; |
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108 | |
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109 | number = rtems_termios_baud_to_number( baud_requested ); |
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110 | |
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111 | /* |
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112 | * Parity |
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113 | */ |
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114 | if (t->c_cflag & PARENB) { |
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115 | parity = "EVEN"; |
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116 | if (!(t->c_cflag & PARODD)) |
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117 | parity = "ODD"; |
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118 | } |
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119 | |
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120 | /* |
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121 | * Character Size |
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122 | */ |
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123 | if (t->c_cflag & CSIZE) { |
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124 | switch (t->c_cflag & CSIZE) { |
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125 | case CS5: char_size = "5"; break; |
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126 | case CS6: char_size = "6"; break; |
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127 | case CS7: char_size = "7"; break; |
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128 | case CS8: char_size = "8"; break; |
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129 | } |
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130 | } |
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131 | |
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132 | /* |
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133 | * Stop Bits |
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134 | */ |
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135 | if (t->c_cflag & CSTOPB) |
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136 | stop = "2"; |
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137 | else |
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138 | stop = "1"; |
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139 | |
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140 | printf( |
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141 | "set_attributes - B%d %s-%s-%s\n", |
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142 | number, |
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143 | char_size, |
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144 | parity, |
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145 | stop |
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146 | ); |
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147 | return 0; |
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148 | } |
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149 | |
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150 | /* |
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151 | * Test Device Driver Entry Points |
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152 | */ |
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153 | rtems_device_driver termios_test_driver_initialize( |
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154 | rtems_device_major_number major, |
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155 | rtems_device_minor_number minor, |
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156 | void *arg |
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157 | ) |
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158 | { |
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159 | rtems_status_code sc; |
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160 | |
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161 | rtems_termios_initialize(); |
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162 | |
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163 | /* |
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164 | * Register Device Names |
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165 | */ |
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166 | puts( |
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167 | "Termios_test_driver - rtems_io_register " |
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168 | TERMIOS_TEST_DRIVER_DEVICE_NAME " - OK" |
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169 | ); |
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170 | sc = rtems_io_register_name( TERMIOS_TEST_DRIVER_DEVICE_NAME, major, 0 ); |
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171 | directive_failed( sc, "rtems_io_register_name" ); |
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172 | |
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173 | return RTEMS_SUCCESSFUL; |
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174 | } |
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175 | |
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176 | rtems_device_driver termios_test_driver_open( |
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177 | rtems_device_major_number major, |
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178 | rtems_device_minor_number minor, |
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179 | void * arg |
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180 | ) |
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181 | { |
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182 | rtems_status_code sc; |
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183 | int rc; |
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184 | rtems_libio_open_close_args_t *args = arg; |
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185 | static bool firstCall = true; |
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186 | |
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187 | static const rtems_termios_callbacks Callbacks = { |
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188 | NULL, /* firstOpen */ |
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189 | NULL, /* lastClose */ |
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190 | termios_test_driver_inbyte_nonblocking, /* pollRead */ |
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191 | termios_test_driver_write_support, /* write */ |
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192 | termios_test_driver_set_attributes, /* setAttributes */ |
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193 | NULL, /* stopRemoteTx */ |
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194 | NULL, /* startRemoteTx */ |
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195 | TERMIOS_POLLED /* outputUsesInterrupts */ |
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196 | }; |
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197 | |
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198 | if ( minor > 2 ) { |
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199 | puts( "ERROR - Termios_testdriver - only 1 minor supported" ); |
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200 | rtems_test_exit(0); |
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201 | } |
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202 | |
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203 | if( firstCall ) { |
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204 | static const uintptr_t allocSizes [] = { |
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205 | sizeof( struct rtems_termios_tty ), |
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206 | 128, |
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207 | 64, |
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208 | 256 |
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209 | }; |
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210 | |
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211 | size_t i; |
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212 | |
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213 | firstCall = false; |
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214 | |
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215 | for (i = 0; i < sizeof( allocSizes ) / sizeof( allocSizes [0] ); ++i) { |
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216 | void *opaque = rtems_heap_greedy_allocate( allocSizes, i ); |
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217 | |
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218 | sc = rtems_termios_open( major, minor, arg, &Callbacks ); |
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219 | rtems_test_assert( sc == RTEMS_NO_MEMORY ); |
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220 | |
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221 | rtems_heap_greedy_free( opaque ); |
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222 | } |
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223 | } |
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224 | |
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225 | sc = rtems_termios_open (major, minor, arg, &Callbacks); |
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226 | directive_failed( sc, "rtems_termios_open" ); |
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227 | |
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228 | puts( "Termios_test_driver - rtems_set_initial_baud - bad baud - OK" ); |
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229 | rc = rtems_termios_set_initial_baud( args->iop->data1, 5000 ); |
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230 | if ( rc != -1 ) { |
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231 | printf( "ERROR - return %d\n", rc ); |
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232 | rtems_test_exit(0); |
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233 | } |
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234 | |
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235 | puts( "Termios_test_driver - rtems_set_initial_baud - 38400 - OK" ); |
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236 | rc = rtems_termios_set_initial_baud( args->iop->data1, 38400 ); |
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237 | if ( rc ) { |
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238 | printf( "ERROR - return %d\n", rc ); |
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239 | rtems_test_exit(0); |
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240 | } |
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241 | |
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242 | return RTEMS_SUCCESSFUL; |
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243 | } |
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244 | |
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245 | rtems_device_driver termios_test_driver_close( |
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246 | rtems_device_major_number major, |
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247 | rtems_device_minor_number minor, |
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248 | void * arg |
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249 | ) |
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250 | { |
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251 | return rtems_termios_close (arg); |
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252 | } |
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253 | |
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254 | rtems_device_driver termios_test_driver_read( |
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255 | rtems_device_major_number major, |
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256 | rtems_device_minor_number minor, |
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257 | void * arg |
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258 | ) |
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259 | { |
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260 | return rtems_termios_read (arg); |
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261 | } |
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262 | |
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263 | rtems_device_driver termios_test_driver_write( |
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264 | rtems_device_major_number major, |
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265 | rtems_device_minor_number minor, |
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266 | void * arg |
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267 | ) |
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268 | { |
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269 | return rtems_termios_write (arg); |
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270 | } |
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271 | |
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272 | rtems_device_driver termios_test_driver_control( |
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273 | rtems_device_major_number major, |
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274 | rtems_device_minor_number minor, |
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275 | void * arg |
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276 | ) |
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277 | { |
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278 | return rtems_termios_ioctl (arg); |
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279 | } |
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