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annotate packages/devs/flash/synth/current/tests/flash1.c @ 2630:3e8e26d3183a

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Merge flashv2 branch to trunk, with eCosCentric additions
author jlarmour
date Tue, 18 Nov 2008 01:19:29 +0000
parents efbe5b41658e
children 74dbf4c3f2e1
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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 Red Hat, 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 version."
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19 "//"
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20 "// eCos is distributed in the hope that it will be useful, but WITHOUT ANY"
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21 "// WARRANTY; without even the implied warranty of MERCHANTABILITY or"
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22 "// FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License"
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23 "// for more details."
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24 "//"
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25 "// You should have received a copy of the GNU General Public License along"
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26 "// with eCos; if not, write to the Free Software Foundation, Inc.,"
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27 "// 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA."
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28 "//"
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29 "// As a special exception, if other files instantiate templates or use macros"
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30 "// or inline functions from this file, or you compile this file and link it"
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31 "// with other works to produce a work based on this file, this file does not"
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32 "// by itself cause the resulting work to be covered by the GNU General Public"
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33 "// License. However the source code for this file must still be made available"
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34 "// in accordance with section (3) of the GNU General Public License."
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35 "//"
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36 "// This exception does not invalidate any other reasons why a work based on"
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37 "// this file might be covered by the GNU General Public License."
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38 "//"
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39 "// Alternative licenses for eCos may be arranged by contacting Red Hat, Inc."
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40 "// at http://sources.redhat.com/ecos/ecos-license/"
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41 "// -------------------------------------------"
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42 "//####ECOSGPLCOPYRIGHTEND####"
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43 "//=========================================================================="
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44 "//#####DESCRIPTIONBEGIN####"
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45 "//"
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46 "// Author(s): andrew.lunn@ascom.ch"
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47 "// Contributors: andrew.lunn"
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48 "// Date: 2000-10-31"
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49 "// Purpose: Test a flash driver"
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50 "// Description: Try out a number of flash operations and make sure"
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51 "// what is in the flash is what we expeect."
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52 "// "
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53 "//####DESCRIPTIONEND####"
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54 "//"
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55 "//=========================================================================="
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56 ;
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57
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58 #include <cyg/io/flash.h>
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59 #include <cyg/infra/testcase.h>
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60 #include <cyg/infra/diag.h>
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61
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62 #include <string.h>
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63
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64 #ifndef CYGINT_ISO_STRING_STRFUNCS
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65 # define NA_MSG "Need string functions for test"
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66 #endif
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67 #ifndef CYGSEM_IO_FLASH_LEGACY_API
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68 # define NA_MSG "Need legacy IO FLASH API for test"
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69 #endif
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70
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71 #ifdef NA_MSG
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72 void cyg_user_start(void)
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73 {
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74 CYG_TEST_INIT();
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75 CYG_TEST_NA( NA_MSG );
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76 }
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77 #else
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78
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79 //==========================================================================
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80 // main
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81
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82 void cyg_user_start(void)
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83 {
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84 int ret;
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85 char data[1024];
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86 void *flash_start, *flash_end;
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87 int block_size, blocks;
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88 char *prog_start;
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89 unsigned char * ptr;
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90
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91 CYG_TEST_INIT();
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92
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93 ret=flash_init((_printf *)diag_printf);
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94
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95 CYG_TEST_PASS_FAIL((ret == FLASH_ERR_OK),"flash_init");
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96
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97 flash_dev_query(data);
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98 CYG_TEST_PASS_FAIL(!strncmp(data,"Linux Synthetic Flash",sizeof(data)),
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99 "flash_query");
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100
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101 ret = flash_get_limits(NULL,&flash_start,&flash_end);
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102 CYG_TEST_PASS_FAIL((ret == FLASH_ERR_OK),"flash_get_limits");
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103
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104 ret = flash_get_block_info(&block_size, &blocks);
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105 CYG_TEST_PASS_FAIL((ret == FLASH_ERR_OK),"flash_get_block_info");
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106
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107 /* Erase the whole flash. Not recommended on real hardware since this
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108 will probably erase the bootloader etc!!! */
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109 ret=flash_erase(flash_start,block_size * blocks,NULL);
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110 CYG_TEST_PASS_FAIL((ret == FLASH_ERR_OK),"flash_erase1");
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111
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112 /* check that its actually been erased, and test the mmap area */
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113 for (ptr=flash_start,ret=0; ptr < (unsigned char *)flash_end; ptr++) {
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114 if (*ptr != 0xff) {
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115 ret++;
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116 }
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117 }
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118
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119 CYG_TEST_PASS_FAIL((ret == 0),"flash empty check");
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120
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121 ret = flash_program(flash_start,&copyright,sizeof(copyright),NULL);
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122 CYG_TEST_PASS_FAIL((ret == FLASH_ERR_OK),"flash_program1");
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123
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124 /* Check the contents made it into the flash */
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125 CYG_TEST_PASS_FAIL(!strncmp(flash_start,copyright,sizeof(copyright)),
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126 "flash program contents");
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127
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128 /* .. and check nothing else changed */
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129 for (ptr=(unsigned char *)flash_start+sizeof(copyright),ret=0;
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130 ptr < (unsigned char *)flash_end; ptr++) {
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131 if (*ptr != 0xff) {
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132 ret++;
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133 }
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134 }
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135
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136 CYG_TEST_PASS_FAIL((ret == 0),"flash program overrun check");
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137
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138 /* Program over a block boundary */
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139 prog_start = (char *)flash_start + block_size - sizeof(copyright)/2;
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140 ret = flash_program(prog_start,&copyright,sizeof(copyright),NULL);
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141 CYG_TEST_PASS_FAIL((ret == FLASH_ERR_OK),"flash_program2");
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142
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143 /* Check the first version is still OK */
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144 CYG_TEST_PASS_FAIL(!strncmp(flash_start,copyright,sizeof(copyright)),
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145 "Original contents");
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146
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147 CYG_TEST_PASS_FAIL(!strncmp(prog_start,copyright,sizeof(copyright)),
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148 "New program contents");
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149
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150 /* Check the bit in between is still erased */
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151 for (ptr=(unsigned char *)flash_start+sizeof(copyright),ret=0;
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152 ptr < (unsigned char *)prog_start; ptr++) {
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153 if (*ptr != 0xff) {
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154 ret++;
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155 }
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156 }
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157 CYG_TEST_PASS_FAIL((ret == 0),"flash erase check1");
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158
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159 /* Erase the second block and make sure the first is not erased */
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160 ret=flash_erase((void *)((unsigned)flash_start+block_size),
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161 block_size,NULL);
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162 CYG_TEST_PASS_FAIL((ret == FLASH_ERR_OK),"flash_erase2");
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163
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164 /* Check the erase worked */
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165 for (ptr=(unsigned char *)flash_start+block_size,ret=0;
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166 ptr < (unsigned char *)flash_start+block_size*2; ptr++) {
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167 if (*ptr != 0xff) {
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168 ret++;
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169 }
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170 }
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171
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172 CYG_TEST_PASS_FAIL((ret == 0), "flash erase check2");
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173
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174 /* Lastly check the first half of the copyright message is still there */
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175 CYG_TEST_PASS_FAIL(!strncmp(prog_start,copyright,sizeof(copyright)/2),
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176 "Block 1 OK");
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177
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178 #if 0
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179 /* This test it fatal! Its not run by default!
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180 Check the flash is read only, by trying to write to it. We expect
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181 to get an exception */
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182
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183 *(char *)flash_start = 'a';
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184 #endif
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185
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186 CYG_TEST_PASS_FINISH("flash1");
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187 }
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188
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189 #endif /* ifndef NA_MSG */
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190
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191 /* EOF flash1.c */