1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
|
/**************************************************************************
*
* Copyright (c) 2013 Alcatel-Lucent
*
* Alcatel Lucent licenses this file to You under the Apache License,
* Version 2.0 (the "License"); you may not use this file except in
* compliance with the License. A copy of the License is contained the
* file LICENSE at the top level of this repository.
* You may also obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
**************************************************************************
*
* cf.c:
* This code is the user interface portion of the cf (compact flash)
* command for uMon.
* This command is intended to be the "interface" portion of some
* other command (for example "fatfs"). Refer to the discussion in
* fatfs.c for more details.
*
* Original author: Ed Sutter (ed.sutter@alcatel-lucent.com)
*
*/
#include "config.h"
#if INCLUDE_CF
#include "stddefs.h"
#include "genlib.h"
#include "cli.h"
#include "tfs.h"
#include "tfsprivate.h"
#include "cf.h"
char *CfHelp[] = {
"Compact Flash Interface",
"[options] {operation} [args]...",
#if INCLUDE_VERBOSEHELP
"",
"Options:",
" -v enable verbosity",
"",
"Operations:",
" init [prefix]",
" read {dest} {blk} {blktot}",
" write {blk} {src} {blktot}",
#endif
0
};
static int cfInum; /* Interface number: to support multiple CF interfaces.
* Typically this will always be zero.
*/
int
CfCmd(int argc, char *argv[])
{
char *cmd, *buf, *prefix, varname[16];
int opt, verbose, cfret, blknum, blkcnt;
verbose = 0;
while ((opt=getopt(argc,argv,"i:r:w:v")) != -1) {
switch(opt) {
case 'i':
cfInum = atoi(optarg); /* sticky */
break;
case 'v':
verbose = 1;
break;
default:
return(CMD_PARAM_ERROR);
}
}
if (argc < optind + 1)
return(CMD_PARAM_ERROR);
cmd = argv[optind];
if (strcmp(cmd,"init") == 0) {
if (argc != optind+2)
return(CMD_PARAM_ERROR);
prefix = argv[optind+1];
if (strlen(prefix)+4 > sizeof(varname)) {
printf("prefix %s too long\n",prefix);
return(CMD_PARAM_ERROR);
}
cfret = cfInit(cfInum,verbose);
if (cfret < 0) {
printf("cfInit returned %d\n",cfret);
return(CMD_FAILURE);
}
sprintf(varname,"%s_RD",prefix);
shell_sprintf(varname,"0x%lx",(long)cfRead);
sprintf(varname,"%s_WR",prefix);
shell_sprintf(varname,"0x%lx",(long)cfWrite);
shell_sprintf("CF_BLKSIZ","0x%lx",CF_BLKSIZE);
if (verbose) {
printf("read: 0x%lx, write: 0x%lx, blksiz: 0x%lx\n",
(long)cfRead,(long)cfWrite,(long)CF_BLKSIZE,verbose);
}
}
else if (strcmp(cmd,"read") == 0) {
if (argc != optind+4)
return(CMD_PARAM_ERROR);
buf = (char *)strtoul(argv[optind+1],0,0);
blknum = strtoul(argv[optind+2],0,0);
blkcnt = strtoul(argv[optind+3],0,0);
cfret = cfRead(cfInum,buf,blknum,blkcnt,verbose);
if (cfret < 0) {
printf("cfRead returned %d\n",cfret);
return(CMD_FAILURE);
}
}
else if (strcmp(cmd,"write") == 0) {
if (argc != optind+4)
return(CMD_PARAM_ERROR);
buf = (char *)strtoul(argv[optind+1],0,0);
blknum = strtoul(argv[optind+2],0,0);
blkcnt = strtoul(argv[optind+3],0,0);
cfret = cfWrite(cfInum,buf,blknum,blkcnt,verbose);
if (cfret < 0) {
printf("cfWrite returned %d\n",cfret);
return(CMD_FAILURE);
}
}
else {
printf("cf op <%s> not found\n",cmd);
return(CMD_FAILURE);
}
return(CMD_SUCCESS);
}
#ifdef INCLUDE_CF_DUMMY_FUNCS
/* This code is included here just for simulating the CF
* interface (temporarily if a real one isn't ready. In a real system,
* the INCLUDE_CF_DUMMY_FUNCS definition would be off.
*/
int
cfInit(int interface, int verbose)
{
if (interface != 0) {
if (verbose)
printf("cfInit bad interface %d\n",interface);
return(-1);
}
return(0);
}
int
cfRead(int interface, char *buf, int blk, int blkcnt, int verbose)
{
char *from;
int size;
if (interface != 0) {
if (verbose)
printf("cfRead bad interface %d\n",interface);
return(-1);
}
from = (char *)(blk * CF_BLKSIZE);
size = blkcnt * CF_BLKSIZE;
memcpy(buf,from,size);
return(0);
}
int
cfWrite(int interface, char *buf, int blk, int blkcnt, int verbose)
{
char *to;
int size;
if (interface != 0) {
if (verbose)
printf("cfWrite bad interface %d\n",interface);
return(-1);
}
to = (char *)(blk * CF_BLKSIZE);
size = blkcnt * CF_BLKSIZE;
memcpy(to,buf,size);
return(0);
}
#endif
#endif
|
