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comparison 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
parents
children e0c0827131d1
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201:dd81b18e45fb 202:353a011b23b8
1 /* Hay, the copyright is usefull for something! */
2
3 static char copyright[] = "
4 //==========================================================================
5 //
6 // flash1.c
7 //
8 // Test flash operations for the synth target synth flash driver
9 //
10 //==========================================================================
11 //####COPYRIGHTBEGIN####
12 //
13 // -------------------------------------------
14 // The contents of this file are subject to the Red Hat eCos Public License
15 // Version 1.1 (the \"License\"); you may not use this file except in
16 // compliance with the License. You may obtain a copy of the License at
17 // http://www.redhat.com/
18 //
19 // Software distributed under the License is distributed on an \"AS IS\"
20 // basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
21 // License for the specific language governing rights and limitations under
22 // the License.
23 //
24 // The Original Code is eCos - Embedded Configurable Operating System,
25 // released September 30, 1998.
26 //
27 // The Initial Developer of the Original Code is Red Hat.
28 // Portions created by Red Hat are
29 // Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc.
30 // All Rights Reserved.
31 // -------------------------------------------
32 //
33 //####COPYRIGHTEND####
34 //==========================================================================
35 //#####DESCRIPTIONBEGIN####
36 //
37 // Author(s): andrew.lunn@ascom.ch
38 // Contributors: andrew.lunn
39 // Date: 2000-10-31
40 // Purpose: Test a flash driver
41 // Description: Try out a number of flash operations and make sure
42 // what is in the flash is what we expeect.
43 //
44 //####DESCRIPTIONEND####
45 //
46 //==========================================================================
47 ";
48
49 #include <cyg/io/flash.h>
50 #include <cyg/infra/testcase.h>
51 #include <cyg/infra/diag.h>
52
53 #include <string.h>
54
55 #ifndef CYGINT_ISO_STRING_STRFUNCS
56 # define NA_MSG "Need string functions for test"
57 #endif
58
59 #ifdef NA_MSG
60 void cyg_user_start(void)
61 {
62 CYG_TEST_INIT();
63 CYG_TEST_NA( NA_MSG );
64 }
65 #else
66
67 //==========================================================================
68 // main
69
70 void cyg_user_start(void)
71 {
72 int ret;
73 char data[1024];
74 void *flash_start, *flash_end;
75 int block_size, blocks;
76 char *prog_start;
77 unsigned char * ptr;
78
79 CYG_TEST_INIT();
80
81 ret=flash_init(NULL,0,(_printf *)diag_printf);
82
83 CYG_TEST_PASS_FAIL((ret == FLASH_ERR_OK),"flash_init");
84
85 flash_dev_query(data);
86 CYG_TEST_PASS_FAIL(!strncmp(data,"Linux Synthetic Flash",sizeof(data)),
87 "flash_query");
88
89 ret = flash_get_limits(NULL,&flash_start,&flash_end);
90 CYG_TEST_PASS_FAIL((ret == FLASH_ERR_OK),"flash_get_limits");
91
92 ret = flash_get_block_info(&block_size, &blocks);
93 CYG_TEST_PASS_FAIL((ret == FLASH_ERR_OK),"flash_get_block_info");
94
95 /* Erase the whole flash. Not recommended on real hardware since this
96 will probably erase the bootloader etc!!! */
97 ret=flash_erase(flash_start,block_size * blocks,NULL);
98 CYG_TEST_PASS_FAIL((ret == FLASH_ERR_OK),"flash_erase1");
99
100 /* check that its actually been erased, and test the mmap area */
101 for (ptr=flash_start,ret=0; ptr < (unsigned char *)flash_end; ptr++) {
102 if (*ptr != 0xff) {
103 ret++;
104 }
105 }
106
107 CYG_TEST_PASS_FAIL((ret == 0),"flash empty check");
108
109 ret = flash_program(flash_start,&copyright,sizeof(copyright),NULL);
110 CYG_TEST_PASS_FAIL((ret == FLASH_ERR_OK),"flash_program1");
111
112 /* Check the contents made it into the flash */
113 CYG_TEST_PASS_FAIL(!strncmp(flash_start,copyright,sizeof(copyright)),
114 "flash program contents");
115
116 /* .. and check nothing else changed */
117 for (ptr=(unsigned char *)flash_start+sizeof(copyright),ret=0;
118 ptr < (unsigned char *)flash_end; ptr++) {
119 if (*ptr != 0xff) {
120 ret++;
121 }
122 }
123
124 CYG_TEST_PASS_FAIL((ret == 0),"flash program overrun check");
125
126 /* Program over a block boundary */
127 prog_start = (unsigned char *)flash_start + block_size - sizeof(copyright)/2;
128 ret = flash_program(prog_start,&copyright,sizeof(copyright),NULL);
129 CYG_TEST_PASS_FAIL((ret == FLASH_ERR_OK),"flash_program2");
130
131 /* Check the first version is still OK */
132 CYG_TEST_PASS_FAIL(!strncmp(flash_start,copyright,sizeof(copyright)),
133 "Original contents");
134
135 CYG_TEST_PASS_FAIL(!strncmp(prog_start,copyright,sizeof(copyright)),
136 "New program contents");
137
138 /* Check the bit in between is still erased */
139 for (ptr=(unsigned char *)flash_start+sizeof(copyright),ret=0;
140 ptr < (unsigned char *)prog_start; ptr++) {
141 if (*ptr != 0xff) {
142 ret++;
143 }
144 }
145 CYG_TEST_PASS_FAIL((ret == 0),"flash erase check1");
146
147 /* Erase the second block and make sure the first is not erased */
148 ret=flash_erase((void *)((unsigned)flash_start+block_size),
149 block_size,NULL);
150 CYG_TEST_PASS_FAIL((ret == FLASH_ERR_OK),"flash_erase2");
151
152 /* Check the erase worked */
153 for (ptr=(unsigned char *)flash_start+block_size,ret=0;
154 ptr < (unsigned char *)flash_start+block_size*2; ptr++) {
155 if (*ptr != 0xff) {
156 ret++;
157 }
158 }
159
160 CYG_TEST_PASS_FAIL((ret == 0), "flash erase check2");
161
162 /* Lastly check the first half of the copyright message is still there */
163 CYG_TEST_PASS_FAIL(!strncmp(prog_start,copyright,sizeof(copyright)/2),
164 "Block 1 OK");
165
166 #if 0
167 /* This test it fatal! Its not run by default!
168 Check the flash is read only, by trying to write to it. We expect
169 to get an exception */
170
171 *(char *)flash_start = 'a';
172 #endif
173
174 CYG_TEST_PASS_FINISH("flash1");
175 }
176
177 #endif /* ifndef NA_MSG */
178
179 /* EOF flash1.c */