Mercurial > ecos

annotate packages/devs/can/loop/current/tests/can_callback.c @ 2424:4c366bd69cd5

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* tests/can_overrun1.c (can0_thread): Fix the length of the data in the message. Add a delay to allow the CAN device to process the packets. * test/can_txcevent.c: (can0_thread): Add a delay to allow the CAN device to process the packet.s * src/loop_can.c (FIFO_SIZE): Changed to one more than the TX queue size. If it is less, the loopback tests don't pass because packets don't get transmitted.
author asl
date Tue, 28 Aug 2007 15:56:03 +0000
parents 51899a482fdd
children 74dbf4c3f2e1
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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2421
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1 //==========================================================================
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2 //
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3 // can_callback.c
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4 //
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5 // CAN driver test of callback on event
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6 //
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7 //==========================================================================
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8 //####ECOSGPLCOPYRIGHTBEGIN####
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9 // -------------------------------------------
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10 // This file is part of eCos, the Embedded Configurable Operating System.
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11 // Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc.
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12 //
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13 // eCos is free software; you can redistribute it and/or modify it under
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14 // the terms of the GNU General Public License as published by the Free
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15 // Software Foundation; either version 2 or (at your option) any later version.
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16 //
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17 // eCos is distributed in the hope that it will be useful, but WITHOUT ANY
51899a482fdd * doc/synth_test.ecm: Import file for running the tests on synth.
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18 // WARRANTY; without even the implied warranty of MERCHANTABILITY or
51899a482fdd * doc/synth_test.ecm: Import file for running the tests on synth.
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19 // FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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20 // for more details.
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21 //
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22 // You should have received a copy of the GNU General Public License along
51899a482fdd * doc/synth_test.ecm: Import file for running the tests on synth.
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23 // with eCos; if not, write to the Free Software Foundation, Inc.,
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24 // 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
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25 //
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26 // As a special exception, if other files instantiate templates or use macros
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27 // or inline functions from this file, or you compile this file and link it
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28 // with other works to produce a work based on this file, this file does not
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29 // by itself cause the resulting work to be covered by the GNU General Public
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30 // License. However the source code for this file must still be made available
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31 // in accordance with section (3) of the GNU General Public License.
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32 //
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33 // This exception does not invalidate any other reasons why a work based on
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34 // this file might be covered by the GNU General Public License.
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35 //
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36 // Alternative licenses for eCos may be arranged by contacting Red Hat, Inc.
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37 // at http://sources.redhat.com/ecos/ecos-license/
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38 // -------------------------------------------
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39 //####ECOSGPLCOPYRIGHTEND####
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40 //==========================================================================
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41 //#####DESCRIPTIONBEGIN####
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42 //
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43 // Author(s): Uwe Kindler, Alexey Shusharin
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44 // Contributors: Uwe Kindler, Alexey Shusharin
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45 // Date: 2007-08-23
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46 // Description: CAN driver test of callback on event
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47 //####DESCRIPTIONEND####
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48
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49
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50 //===========================================================================
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51 // INCLUDES
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52 //===========================================================================
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53 #include <pkgconf/system.h>
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54
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55 #include <cyg/infra/testcase.h> // test macros
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56 #include <cyg/infra/cyg_ass.h> // assertion macros
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57 #include <cyg/infra/diag.h>
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58
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59 // Package requirements
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60 #if defined(CYGPKG_IO_CAN) && defined(CYGPKG_KERNEL)
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61
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62 #include <pkgconf/kernel.h>
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63 #include <cyg/io/io.h>
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64 #include <cyg/io/canio.h>
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65
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66 // Package option requirements
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67 #if defined(CYGFUN_KERNEL_API_C)
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68
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69 #include <cyg/hal/hal_arch.h> // CYGNUM_HAL_STACK_SIZE_TYPICAL
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70 #include <cyg/kernel/kapi.h>
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71
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72 // Package option requirements
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73 #if defined(CYGOPT_IO_CAN_SUPPORT_CALLBACK)
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74
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75 //===========================================================================
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76 // DATA TYPES
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77 //===========================================================================
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78 typedef struct st_thread_data
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79 {
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80 cyg_thread obj;
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81 long stack[CYGNUM_HAL_STACK_SIZE_TYPICAL];
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82 cyg_handle_t hdl;
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83 } thread_data_t;
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84
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85
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86 //===========================================================================
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87 // LOCAL DATA
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88 //===========================================================================
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89 cyg_thread_entry_t can_thread;
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90 thread_data_t can_thread_data;
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91
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92 cyg_mutex_t can_lock;
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93 cyg_cond_t can_wait;
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94
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95 cyg_io_handle_t hCAN0;
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96 cyg_io_handle_t hCAN1;
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97
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98 //===========================================================================
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99 // LOCAL FUNCTIONS
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100 //===========================================================================
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101 #include "can_test_aux.inl" // include CAN test auxiliary functions
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102
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103
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104 //===========================================================================
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105 // CALLBACK FUNCTION
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106 //===========================================================================
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107
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108 static void callback_func(cyg_uint16 flags, CYG_ADDRWORD data)
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109 {
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110 if (data == ((CYG_ADDRWORD) hCAN0) && (flags & CYGNUM_CAN_EVENT_RX))
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111 {
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112 // Wake up thread
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113 cyg_cond_signal(&can_wait);
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114 }
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115 }
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116
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117 //===========================================================================
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118 // READER THREAD
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119 //===========================================================================
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120 void can_thread(cyg_addrword_t data)
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121 {
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122 cyg_uint32 len;
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123 cyg_can_callback_cfg callback_cfg;
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124 cyg_can_message tx_msg;
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125 cyg_bool_t wait_res;
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126
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127 //
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128 // open CAN0 device driver
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129 //
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130 if (ENOERR != cyg_io_lookup("/dev/can0", &hCAN0))
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131 {
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132 CYG_TEST_FAIL_FINISH("Error opening /dev/can0");
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133 }
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134
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135 //
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136 // open CAN1 device driver
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137 //
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138 if (ENOERR != cyg_io_lookup("/dev/can1", &hCAN1))
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139 {
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140 CYG_TEST_FAIL_FINISH("Error opening /dev/can1");
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141 }
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142
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143 //
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144 // configure CAN0 callback
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145 //
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146 len = sizeof(callback_cfg);
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147 callback_cfg.flag_mask = 0xFFFF;
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148 callback_cfg.data = (CYG_ADDRWORD) hCAN0;
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149 callback_cfg.callback_func = callback_func;
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150
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151 if (ENOERR != cyg_io_set_config(hCAN0, CYG_IO_SET_CONFIG_CAN_CALLBACK,
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152 &callback_cfg, &len))
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153 {
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154 CYG_TEST_FAIL_FINISH("Error writing config of /dev/can0");
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155 }
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156
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157 //
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158 // transmit message from CAN1 to CAN0
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159 //
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160 tx_msg.id = 0x001;
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161 tx_msg.ext = CYGNUM_CAN_ID_STD;
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162 tx_msg.rtr = CYGNUM_CAN_FRAME_DATA;
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163 tx_msg.dlc = 0;
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164 len = sizeof(tx_msg);
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165
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166 if (ENOERR != cyg_io_write(hCAN1, &tx_msg, &len))
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167 {
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168 CYG_TEST_FAIL_FINISH("Error writing message to /dev/can1");
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169 }
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170
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171 //
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172 // Wait CAN0 callback
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173 //
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174 cyg_mutex_lock(&can_lock);
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175
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176 wait_res = cyg_cond_timed_wait(&can_wait, 100);
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177
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178 cyg_mutex_unlock(&can_lock);
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179
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180 //
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181 // If result of wait is a signal operation, test is successed
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182 // If timeout - test is failed, because callback_func() hasn't been
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183 // called with correct parameters
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184 //
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185 if(wait_res)
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186 {
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187 CYG_TEST_PASS_FINISH("can_callback test OK");
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188 }
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189 else
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190 {
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191 CYG_TEST_FAIL_FINISH("can_callback test FAILED");
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192 }
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193 }
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194
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195
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196 void
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197 cyg_start(void)
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198 {
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199 CYG_TEST_INIT();
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200
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201 cyg_mutex_init(&can_lock);
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202 cyg_cond_init(&can_wait, &can_lock);
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203
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204 //
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205 // create the main thread
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206 //
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207 cyg_thread_create(4, can_thread,
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208 (cyg_addrword_t) 0,
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209 "can_thread",
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210 (void *) can_thread_data.stack,
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211 1024 * sizeof(long),
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212 &can_thread_data.hdl,
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213 &can_thread_data.obj);
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214
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215 cyg_thread_resume(can_thread_data.hdl);
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216
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217 cyg_scheduler_start();
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218 }
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219
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220 #else // #if defined(CYGOPT_IO_CAN_SUPPORT_CALLBACK)
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221 #define N_A_MSG "Needs callback support"
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222 #endif
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223
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224 #else // CYGFUN_KERNEL_API_C
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225 #define N_A_MSG "Needs kernel C API"
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226 #endif
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227
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228 #else // CYGPKG_IO_CAN && CYGPKG_KERNEL
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229 #define N_A_MSG "Needs IO/CAN and Kernel"
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230 #endif
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231
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232 #ifdef N_A_MSG
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233 void
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234 cyg_start( void )
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235 {
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236 CYG_TEST_INIT();
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237 CYG_TEST_NA( N_A_MSG);
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238 }
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239 #endif // N_A_MSG
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240
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241 // EOF can_callback.c