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annotate packages/devs/flash/synth/current/tests/flash1.c @ 2729:74dbf4c3f2e1 after-copyright-change-20090129

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Update all copyright banners to reflect FSF ownership; fix and improve licence text.
author jlarmour
date Thu, 29 Jan 2009 17:47:46 +0000
parents 3e8e26d3183a
children 957d0458e043
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1 /* Hey, the copyright is useful for something! */
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2
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3 static char copyright[] =
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4 "//=========================================================================="
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5 "//"
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6 "// flash1.c"
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7 "//"
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8 "// Test flash operations for the synth target synth flash driver"
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9 "//"
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10 "//=========================================================================="
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11 "// ####ECOSGPLCOPYRIGHTBEGIN#### "
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12 "// ------------------------------------------- "
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13 "// This file is part of eCos, the Embedded Configurable Operating System. "
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14 "// Copyright (C) 1998, 1999, 2000, 2001, 2002 Free Software Foundation, Inc. "
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15 "// "
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16 "// eCos is free software; you can redistribute it and/or modify it under "
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17 "// the terms of the GNU General Public License as published by the Free "
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18 "// Software Foundation; either version 2 or (at your option) any later "
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19 "// version. "
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20 "// "
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21 "// eCos is distributed in the hope that it will be useful, but WITHOUT "
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22 "// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or "
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23 "// FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License "
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24 "// for more details. "
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25 "// "
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26 "// You should have received a copy of the GNU General Public License "
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27 "// along with eCos; if not, write to the Free Software Foundation, Inc., "
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28 "// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. "
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29 "// "
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30 "// As a special exception, if other files instantiate templates or use "
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31 "// macros or inline functions from this file, or you compile this file "
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32 "// and link it with other works to produce a work based on this file, "
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33 "// this file does not by itself cause the resulting work to be covered by "
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34 "// the GNU General Public License. However the source code for this file "
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35 "// must still be made available in accordance with section (3) of the GNU "
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36 "// General Public License v2. "
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37 "// "
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38 "// This exception does not invalidate any other reasons why a work based "
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39 "// on this file might be covered by the GNU General Public License. "
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40 "// ------------------------------------------- "
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41 "// ####ECOSGPLCOPYRIGHTEND####
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42 "//=========================================================================="
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43 "//#####DESCRIPTIONBEGIN####"
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44 "//"
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45 "// Author(s): andrew.lunn@ascom.ch"
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46 "// Contributors: andrew.lunn"
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47 "// Date: 2000-10-31"
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48 "// Purpose: Test a flash driver"
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49 "// Description: Try out a number of flash operations and make sure"
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50 "// what is in the flash is what we expeect."
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51 "// "
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52 "//####DESCRIPTIONEND####"
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53 "//"
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54 "//=========================================================================="
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55 ;
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56
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57 #include <cyg/io/flash.h>
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58 #include <cyg/infra/testcase.h>
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59 #include <cyg/infra/diag.h>
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60
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61 #include <string.h>
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62
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63 #ifndef CYGINT_ISO_STRING_STRFUNCS
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64 # define NA_MSG "Need string functions for test"
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65 #endif
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66 #ifndef CYGSEM_IO_FLASH_LEGACY_API
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67 # define NA_MSG "Need legacy IO FLASH API for test"
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68 #endif
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69
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70 #ifdef NA_MSG
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71 void cyg_user_start(void)
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72 {
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73 CYG_TEST_INIT();
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74 CYG_TEST_NA( NA_MSG );
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75 }
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76 #else
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77
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78 //==========================================================================
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79 // main
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80
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81 void cyg_user_start(void)
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82 {
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83 int ret;
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84 char data[1024];
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85 void *flash_start, *flash_end;
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86 int block_size, blocks;
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87 char *prog_start;
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88 unsigned char * ptr;
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89
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90 CYG_TEST_INIT();
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91
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92 ret=flash_init((_printf *)diag_printf);
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93
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94 CYG_TEST_PASS_FAIL((ret == FLASH_ERR_OK),"flash_init");
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95
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96 flash_dev_query(data);
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97 CYG_TEST_PASS_FAIL(!strncmp(data,"Linux Synthetic Flash",sizeof(data)),
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98 "flash_query");
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99
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100 ret = flash_get_limits(NULL,&flash_start,&flash_end);
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101 CYG_TEST_PASS_FAIL((ret == FLASH_ERR_OK),"flash_get_limits");
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102
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103 ret = flash_get_block_info(&block_size, &blocks);
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104 CYG_TEST_PASS_FAIL((ret == FLASH_ERR_OK),"flash_get_block_info");
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105
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106 /* Erase the whole flash. Not recommended on real hardware since this
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107 will probably erase the bootloader etc!!! */
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108 ret=flash_erase(flash_start,block_size * blocks,NULL);
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109 CYG_TEST_PASS_FAIL((ret == FLASH_ERR_OK),"flash_erase1");
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110
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111 /* check that its actually been erased, and test the mmap area */
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112 for (ptr=flash_start,ret=0; ptr < (unsigned char *)flash_end; ptr++) {
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113 if (*ptr != 0xff) {
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114 ret++;
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115 }
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116 }
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117
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118 CYG_TEST_PASS_FAIL((ret == 0),"flash empty check");
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119
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120 ret = flash_program(flash_start,&copyright,sizeof(copyright),NULL);
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121 CYG_TEST_PASS_FAIL((ret == FLASH_ERR_OK),"flash_program1");
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122
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123 /* Check the contents made it into the flash */
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124 CYG_TEST_PASS_FAIL(!strncmp(flash_start,copyright,sizeof(copyright)),
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125 "flash program contents");
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126
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127 /* .. and check nothing else changed */
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128 for (ptr=(unsigned char *)flash_start+sizeof(copyright),ret=0;
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129 ptr < (unsigned char *)flash_end; ptr++) {
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130 if (*ptr != 0xff) {
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131 ret++;
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132 }
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133 }
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134
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135 CYG_TEST_PASS_FAIL((ret == 0),"flash program overrun check");
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136
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137 /* Program over a block boundary */
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138 prog_start = (char *)flash_start + block_size - sizeof(copyright)/2;
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139 ret = flash_program(prog_start,&copyright,sizeof(copyright),NULL);
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140 CYG_TEST_PASS_FAIL((ret == FLASH_ERR_OK),"flash_program2");
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141
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142 /* Check the first version is still OK */
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143 CYG_TEST_PASS_FAIL(!strncmp(flash_start,copyright,sizeof(copyright)),
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144 "Original contents");
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145
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146 CYG_TEST_PASS_FAIL(!strncmp(prog_start,copyright,sizeof(copyright)),
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147 "New program contents");
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148
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149 /* Check the bit in between is still erased */
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150 for (ptr=(unsigned char *)flash_start+sizeof(copyright),ret=0;
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151 ptr < (unsigned char *)prog_start; ptr++) {
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152 if (*ptr != 0xff) {
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153 ret++;
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154 }
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155 }
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156 CYG_TEST_PASS_FAIL((ret == 0),"flash erase check1");
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157
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158 /* Erase the second block and make sure the first is not erased */
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159 ret=flash_erase((void *)((unsigned)flash_start+block_size),
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160 block_size,NULL);
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161 CYG_TEST_PASS_FAIL((ret == FLASH_ERR_OK),"flash_erase2");
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162
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163 /* Check the erase worked */
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164 for (ptr=(unsigned char *)flash_start+block_size,ret=0;
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165 ptr < (unsigned char *)flash_start+block_size*2; ptr++) {
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166 if (*ptr != 0xff) {
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167 ret++;
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168 }
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169 }
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170
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171 CYG_TEST_PASS_FAIL((ret == 0), "flash erase check2");
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172
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173 /* Lastly check the first half of the copyright message is still there */
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174 CYG_TEST_PASS_FAIL(!strncmp(prog_start,copyright,sizeof(copyright)/2),
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175 "Block 1 OK");
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176
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177 #if 0
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178 /* This test it fatal! Its not run by default!
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179 Check the flash is read only, by trying to write to it. We expect
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180 to get an exception */
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181
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182 *(char *)flash_start = 'a';
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183 #endif
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184
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185 CYG_TEST_PASS_FINISH("flash1");
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186 }
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187
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188 #endif /* ifndef NA_MSG */
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189
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190 /* EOF flash1.c */