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annotate packages/devs/flash/synth/current/tests/flash1.c @ 202:353a011b23b8

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Merge from eCos master repository on 2002-01-11-06:43:03-GMT
author jlarmour
date Fri, 11 Jan 2002 16:53:46 +0000
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children e0c0827131d1
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1 /* Hay, the copyright is usefull 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 //####COPYRIGHTBEGIN####
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12 //
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13 // -------------------------------------------
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14 // The contents of this file are subject to the Red Hat eCos Public License
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15 // Version 1.1 (the \"License\"); you may not use this file except in
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16 // compliance with the License. You may obtain a copy of the License at
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17 // http://www.redhat.com/
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18 //
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19 // Software distributed under the License is distributed on an \"AS IS\"
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20 // basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
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21 // License for the specific language governing rights and limitations under
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22 // the License.
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23 //
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24 // The Original Code is eCos - Embedded Configurable Operating System,
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25 // released September 30, 1998.
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26 //
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27 // The Initial Developer of the Original Code is Red Hat.
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28 // Portions created by Red Hat are
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29 // Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc.
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30 // All Rights Reserved.
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31 // -------------------------------------------
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32 //
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33 //####COPYRIGHTEND####
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34 //==========================================================================
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35 //#####DESCRIPTIONBEGIN####
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36 //
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37 // Author(s): andrew.lunn@ascom.ch
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38 // Contributors: andrew.lunn
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39 // Date: 2000-10-31
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40 // Purpose: Test a flash driver
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41 // Description: Try out a number of flash operations and make sure
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42 // what is in the flash is what we expeect.
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43 //
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44 //####DESCRIPTIONEND####
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45 //
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46 //==========================================================================
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47 ";
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48
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49 #include <cyg/io/flash.h>
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50 #include <cyg/infra/testcase.h>
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51 #include <cyg/infra/diag.h>
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52
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53 #include <string.h>
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54
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55 #ifndef CYGINT_ISO_STRING_STRFUNCS
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56 # define NA_MSG "Need string functions for test"
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57 #endif
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58
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59 #ifdef NA_MSG
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60 void cyg_user_start(void)
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61 {
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62 CYG_TEST_INIT();
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63 CYG_TEST_NA( NA_MSG );
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64 }
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65 #else
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66
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67 //==========================================================================
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68 // main
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69
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70 void cyg_user_start(void)
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71 {
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72 int ret;
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73 char data[1024];
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74 void *flash_start, *flash_end;
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75 int block_size, blocks;
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76 char *prog_start;
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77 unsigned char * ptr;
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78
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79 CYG_TEST_INIT();
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80
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81 ret=flash_init(NULL,0,(_printf *)diag_printf);
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82
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83 CYG_TEST_PASS_FAIL((ret == FLASH_ERR_OK),"flash_init");
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84
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85 flash_dev_query(data);
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86 CYG_TEST_PASS_FAIL(!strncmp(data,"Linux Synthetic Flash",sizeof(data)),
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87 "flash_query");
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88
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89 ret = flash_get_limits(NULL,&flash_start,&flash_end);
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90 CYG_TEST_PASS_FAIL((ret == FLASH_ERR_OK),"flash_get_limits");
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91
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92 ret = flash_get_block_info(&block_size, &blocks);
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93 CYG_TEST_PASS_FAIL((ret == FLASH_ERR_OK),"flash_get_block_info");
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94
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95 /* Erase the whole flash. Not recommended on real hardware since this
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96 will probably erase the bootloader etc!!! */
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97 ret=flash_erase(flash_start,block_size * blocks,NULL);
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98 CYG_TEST_PASS_FAIL((ret == FLASH_ERR_OK),"flash_erase1");
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99
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100 /* check that its actually been erased, and test the mmap area */
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101 for (ptr=flash_start,ret=0; ptr < (unsigned char *)flash_end; ptr++) {
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102 if (*ptr != 0xff) {
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103 ret++;
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104 }
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105 }
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106
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107 CYG_TEST_PASS_FAIL((ret == 0),"flash empty check");
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108
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109 ret = flash_program(flash_start,&copyright,sizeof(copyright),NULL);
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110 CYG_TEST_PASS_FAIL((ret == FLASH_ERR_OK),"flash_program1");
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111
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112 /* Check the contents made it into the flash */
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113 CYG_TEST_PASS_FAIL(!strncmp(flash_start,copyright,sizeof(copyright)),
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114 "flash program contents");
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115
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116 /* .. and check nothing else changed */
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117 for (ptr=(unsigned char *)flash_start+sizeof(copyright),ret=0;
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118 ptr < (unsigned char *)flash_end; ptr++) {
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119 if (*ptr != 0xff) {
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120 ret++;
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121 }
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122 }
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123
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124 CYG_TEST_PASS_FAIL((ret == 0),"flash program overrun check");
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125
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126 /* Program over a block boundary */
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127 prog_start = (unsigned char *)flash_start + block_size - sizeof(copyright)/2;
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128 ret = flash_program(prog_start,&copyright,sizeof(copyright),NULL);
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129 CYG_TEST_PASS_FAIL((ret == FLASH_ERR_OK),"flash_program2");
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130
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131 /* Check the first version is still OK */
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132 CYG_TEST_PASS_FAIL(!strncmp(flash_start,copyright,sizeof(copyright)),
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133 "Original contents");
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134
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135 CYG_TEST_PASS_FAIL(!strncmp(prog_start,copyright,sizeof(copyright)),
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136 "New program contents");
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137
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138 /* Check the bit in between is still erased */
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139 for (ptr=(unsigned char *)flash_start+sizeof(copyright),ret=0;
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140 ptr < (unsigned char *)prog_start; ptr++) {
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141 if (*ptr != 0xff) {
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142 ret++;
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143 }
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144 }
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145 CYG_TEST_PASS_FAIL((ret == 0),"flash erase check1");
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146
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147 /* Erase the second block and make sure the first is not erased */
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148 ret=flash_erase((void *)((unsigned)flash_start+block_size),
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149 block_size,NULL);
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150 CYG_TEST_PASS_FAIL((ret == FLASH_ERR_OK),"flash_erase2");
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151
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152 /* Check the erase worked */
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153 for (ptr=(unsigned char *)flash_start+block_size,ret=0;
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154 ptr < (unsigned char *)flash_start+block_size*2; ptr++) {
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155 if (*ptr != 0xff) {
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156 ret++;
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157 }
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158 }
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159
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160 CYG_TEST_PASS_FAIL((ret == 0), "flash erase check2");
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161
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162 /* Lastly check the first half of the copyright message is still there */
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163 CYG_TEST_PASS_FAIL(!strncmp(prog_start,copyright,sizeof(copyright)/2),
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164 "Block 1 OK");
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165
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166 #if 0
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167 /* This test it fatal! Its not run by default!
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168 Check the flash is read only, by trying to write to it. We expect
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169 to get an exception */
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170
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171 *(char *)flash_start = 'a';
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172 #endif
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173
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174 CYG_TEST_PASS_FINISH("flash1");
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175 }
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176
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177 #endif /* ifndef NA_MSG */
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178
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179 /* EOF flash1.c */