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1 | /* | |
2 | * (C) Copyright 2014,2016,2018 Leo C. <erbl259-lmu@yahoo.de> | |
3 | * | |
4 | * SPDX-License-Identifier: GPL-2.0 | |
5 | */ | |
6 | ||
7 | /* | |
8 | * FAT filesystem commands | |
9 | */ | |
10 | ||
11 | #include "cmd_fat.h" | |
12 | #include <ctype.h> | |
13 | ||
14 | #include "ff.h" | |
15 | #include "z80-if.h" | |
16 | #include "eval_arg.h" | |
17 | #include "con-utils.h" | |
18 | #include "print-utils.h" | |
19 | #include "time.h" | |
20 | #include "timer.h" | |
21 | #include "debug.h" | |
22 | #include "env.h" | |
23 | #include "errnum.h" | |
24 | ||
25 | #define DEBUG_FA 0 /* set to 1 to debug */ | |
26 | ||
27 | #define debug_fa(fmt, args...) \ | |
28 | debug_cond(DEBUG_FA, fmt, ##args) | |
29 | ||
30 | ||
31 | /* TODO: use memory size test function (detect_ramsize() in cmd_loadihex.c) */ | |
32 | /* TODO: detect_ramsize() should be moved to z80-if.c */ | |
33 | #define MAX_MEMORY CONFIG_SYS_RAMSIZE_MAX | |
34 | #define BUFFER_SIZE FF_MAX_SS | |
35 | #define PATH_MAX CONFIG_SYS_MAX_PATHLEN | |
36 | ||
37 | ||
38 | /* | |
39 | * Multible (fat) partitions per physical drive are not supported, | |
40 | * but we have up to 2 sdcard slots. | |
41 | */ | |
42 | FATFS FatFs0; | |
43 | FATFS FatFs1; | |
44 | ||
45 | command_ret_t command_ret; | |
46 | char *cmdname; | |
47 | ||
48 | ||
49 | void setup_fatfs(void) | |
50 | { | |
51 | f_mount(&FatFs0, "0:", 0); | |
52 | f_mount(&FatFs1, "1:", 0); | |
53 | } | |
54 | ||
55 | DWORD get_fattime (void) | |
56 | { | |
57 | time_t timer; | |
58 | struct tm tm_timer; | |
59 | ||
60 | time(&timer); | |
61 | gmtime_r(&timer, &tm_timer); | |
62 | ||
63 | return fatfs_time(&tm_timer); | |
64 | } | |
65 | ||
66 | ||
67 | static bool check_abort(void) | |
68 | { | |
69 | bool ret = ctrlc(); | |
70 | ||
71 | if (ret) | |
72 | printf_P(PSTR("Abort\n")); | |
73 | ||
74 | return ret; | |
75 | } | |
76 | ||
77 | ||
78 | static const FLASH char * const FLASH rc_strings[] = { | |
79 | FSTR("Success"), | |
80 | FSTR("Disk error"), | |
81 | FSTR("Internal error"), | |
82 | FSTR("Not ready"), | |
83 | FSTR("No file"), | |
84 | FSTR("No path"), | |
85 | FSTR("Invalid name"), | |
86 | FSTR("Denied"), | |
87 | FSTR("Exist"), | |
88 | FSTR("Invalid object"), | |
89 | FSTR("Write protected"), | |
90 | FSTR("Invalid drive"), | |
91 | FSTR("Not enabled"), | |
92 | FSTR("No file system"), | |
93 | FSTR("Mkfs aborted"), | |
94 | FSTR("Timeout"), | |
95 | FSTR("Locked"), | |
96 | FSTR("Not enough core"), | |
97 | FSTR("Too many open files"), | |
98 | FSTR("Invalid parameter") | |
99 | }; | |
100 | ||
101 | ||
102 | ||
103 | const FLASH char * fat_rctostr(FRESULT rc) | |
104 | { | |
105 | return rc < ARRAY_SIZE(rc_strings) ? rc_strings[rc] : PSTR(" Unknown Error"); | |
106 | } | |
107 | ||
108 | static void swirl(void) | |
109 | { | |
110 | static const FLASH char swirlchar[] = { '-','\\','|','/' }; | |
111 | static uint_fast8_t cnt; | |
112 | static uint32_t tstamp; | |
113 | ||
114 | if (get_timer(0) > tstamp) { | |
115 | tstamp = get_timer(0) + 250; | |
116 | putchar('\b'); | |
117 | cnt = (cnt+1) & 3; | |
118 | putchar(swirlchar[cnt]); | |
119 | } | |
120 | } | |
121 | ||
122 | typedef struct { | |
123 | char *p_end; /* pointer to NULL at end of path */ | |
124 | char p_path[PATH_MAX + 1]; /* pointer to the start of a path */ | |
125 | } PATH_T; | |
126 | ||
127 | ||
128 | static char *path_skip_heading(char *p) | |
129 | { | |
130 | if (isdigit(p[0]) && p[1] == ':') { | |
131 | p += 2; | |
132 | } else { | |
133 | char *q = p; | |
134 | if (*q++ == '.') { | |
135 | if (*q == '.') | |
136 | ++q; | |
137 | if (*q == '\0' || *q == '/') | |
138 | p = q; | |
139 | } | |
140 | return p; | |
141 | } | |
142 | if (*p == '/') | |
143 | ++p; | |
144 | ||
145 | return p; | |
146 | } | |
147 | ||
148 | static void strip_trailing_slash(PATH_T *p) | |
149 | { | |
150 | char *beg = path_skip_heading(p->p_path); | |
151 | char *end = p->p_end; | |
152 | ||
153 | while (end > beg && end[-1] == '/') | |
154 | *--end = '\0'; | |
155 | ||
156 | p->p_end =end; | |
157 | } | |
158 | ||
159 | /* | |
160 | * Move specified string into path. Convert "" to "." to handle BSD | |
161 | * semantics for a null path. Strip trailing slashes. | |
162 | */ | |
163 | static PATH_T *path_setup(char *string) | |
164 | { | |
165 | if (strlen(string) > PATH_MAX) { | |
166 | cmd_error(0, 0, PSTR("'%s': Name too long"), string); | |
167 | return NULL; | |
168 | } | |
169 | ||
170 | PATH_T *p = (PATH_T *) malloc(sizeof *p); | |
171 | if (p == NULL) { | |
172 | cmd_error(0, ENOMEM, NULL); | |
173 | return NULL; | |
174 | } | |
175 | ||
176 | strcpy(p->p_path, string); | |
177 | size_t len = strlen(string); | |
178 | if (len > 1 && p->p_path[1] == ':' && p->p_path[2] != '/') { | |
179 | if (len < PATH_MAX) { | |
180 | memmove(p->p_path+3, p->p_path+2, len-1); | |
181 | p->p_path[2] = '/'; | |
182 | len += 1; | |
183 | } else { | |
184 | cmd_error(0, ENOMEM, NULL); | |
185 | return NULL; | |
186 | } | |
187 | } | |
188 | ||
189 | p->p_end = p->p_path + len; | |
190 | if (p->p_path == p->p_end) { | |
191 | *p->p_end++ = '.'; | |
192 | *p->p_end = '\0'; | |
193 | } | |
194 | ||
195 | strip_trailing_slash(p); | |
196 | return p; | |
197 | } | |
198 | ||
199 | /* | |
200 | * pwd - Print current directory of the current drive. | |
201 | * | |
202 | */ | |
203 | command_ret_t do_pwd(cmd_tbl_t *cmdtp UNUSED, uint_fast8_t flag UNUSED, int argc UNUSED, char * const argv[] UNUSED) | |
204 | { | |
205 | FRESULT res; | |
206 | char *buf; | |
207 | ||
208 | buf = (char *) malloc(PATH_MAX); | |
209 | if (buf == NULL) | |
210 | cmd_error(CMD_RET_FAILURE, ENOMEM, NULL); | |
211 | *buf = '\0'; | |
212 | res = f_getcwd(buf, PATH_MAX); /* Get current directory path */ | |
213 | ||
214 | debug_fa("### f_getcwd(): buf: '%s', res: %d\n", buf, res); | |
215 | ||
216 | if (res == FR_OK) { | |
217 | puts(buf); | |
218 | } | |
219 | free(buf); | |
220 | if (res != FR_OK) | |
221 | cmd_error(CMD_RET_FAILURE, res, NULL); | |
222 | ||
223 | return CMD_RET_SUCCESS; | |
224 | } | |
225 | ||
226 | ||
227 | /* | |
228 | * cd - Change the current/working directory. | |
229 | * | |
230 | */ | |
231 | command_ret_t do_cd(cmd_tbl_t *cmdtp UNUSED, uint_fast8_t flag UNUSED, int argc, char * const argv[]) | |
232 | { | |
233 | char *arg; | |
234 | FRESULT res = FR_OK; | |
235 | ||
236 | if (argc < 2) { | |
237 | arg = getenv_str(PSTR(ENV_HOME)); | |
238 | if (arg == NULL) { | |
239 | cmd_error(CMD_RET_FAILURE, 0, PSTR("\"%S\" is not set"), PSTR(ENV_HOME)); | |
240 | } | |
241 | } else | |
242 | arg = argv[1]; | |
243 | ||
244 | PATH_T *path = path_setup(arg); | |
245 | if (path == NULL) | |
246 | return CMD_RET_FAILURE; | |
247 | ||
248 | if (strlen(path->p_path) > 1 && path->p_path[1] == ':') { | |
249 | res = f_chdrive(path->p_path); | |
250 | debug_fa("### f_chdrive(): p_path: '%s', res: %d\n", path->p_path, res); | |
251 | } | |
252 | if (res == FR_OK) { | |
253 | res = f_chdir(path->p_path); | |
254 | debug_fa("### f_chdir(): p_path: '%s', res: %d\n", path->p_path, res); | |
255 | } | |
256 | free(path); | |
257 | if (res != FR_OK) | |
258 | cmd_error(CMD_RET_FAILURE, res, NULL); | |
259 | ||
260 | return CMD_RET_SUCCESS; | |
261 | } | |
262 | ||
263 | ||
264 | /* | |
265 | * ls path - Directory listing | |
266 | * | |
267 | */ | |
268 | command_ret_t do_ls(cmd_tbl_t *cmdtp UNUSED, uint_fast8_t flag UNUSED, int argc, char * const argv[]) | |
269 | { | |
270 | FATFS *fs; | |
271 | DIR Dir; /* Directory object */ | |
272 | FILINFO Finfo; | |
273 | unsigned long p1; | |
274 | unsigned int s1, s2; | |
275 | FRESULT res = FR_OK; | |
276 | char *buf; | |
277 | ||
278 | ||
279 | buf = (char *) malloc(PATH_MAX); | |
280 | if (buf == NULL) | |
281 | cmd_error(CMD_RET_FAILURE, ENOMEM, NULL); | |
282 | ||
283 | if (argc < 2) | |
284 | res = f_getcwd(buf, PATH_MAX); /* Get current directory path */ | |
285 | else | |
286 | strncpy(buf, argv[1], PATH_MAX); | |
287 | ||
288 | if (res == FR_OK) | |
289 | res = f_opendir(&Dir, buf); | |
290 | if (res != FR_OK) { | |
291 | free(buf); | |
292 | cmd_error(CMD_RET_FAILURE, res, NULL); | |
293 | } | |
294 | ||
295 | p1 = s1 = s2 = 0; | |
296 | for(;;) { | |
297 | res = f_readdir(&Dir, &Finfo); | |
298 | if ((res != FR_OK) || !Finfo.fname[0]) | |
299 | break; | |
300 | if (Finfo.fattrib & AM_DIR) { | |
301 | s2++; | |
302 | } else { | |
303 | s1++; p1 += Finfo.fsize; | |
304 | } | |
305 | printf_P(PSTR("%c%c%c%c%c %u/%02u/%02u %02u:%02u %9lu %s\n"), | |
306 | (Finfo.fattrib & AM_DIR) ? 'D' : '-', | |
307 | (Finfo.fattrib & AM_RDO) ? 'R' : '-', | |
308 | (Finfo.fattrib & AM_HID) ? 'H' : '-', | |
309 | (Finfo.fattrib & AM_SYS) ? 'S' : '-', | |
310 | (Finfo.fattrib & AM_ARC) ? 'A' : '-', | |
311 | (Finfo.fdate >> 9) + 1980, (Finfo.fdate >> 5) & 15, Finfo.fdate & 31, | |
312 | (Finfo.ftime >> 11), (Finfo.ftime >> 5) & 63, | |
313 | Finfo.fsize, Finfo.fname); | |
314 | if (check_abort()) | |
315 | break; | |
316 | } | |
317 | ||
318 | if (res == FR_OK) { | |
319 | printf_P(PSTR("%4u File(s),%10lu bytes total\n%4u Dir(s)"), s1, p1, s2); | |
320 | if (f_getfree(buf, (DWORD*)&p1, &fs) == FR_OK) | |
321 | printf_P(PSTR(", %10luK bytes free\n"), p1 * fs->csize / 2); | |
322 | } | |
323 | ||
324 | free(buf); | |
325 | if (res) | |
326 | cmd_error(CMD_RET_FAILURE, res, NULL); | |
327 | ||
328 | return CMD_RET_SUCCESS; | |
329 | } | |
330 | ||
331 | #if 0 | |
332 | static | |
333 | FRESULT mkpath(TCHAR *path) | |
334 | { | |
335 | /* TODO: */ | |
336 | (void) path; | |
337 | FILINFO fd | |
338 | TCHAR *p, *q; | |
339 | FRESULT ret; | |
340 | ||
341 | res = f_stat (path, &fd) | |
342 | ||
343 | p = strchr(path, ':'); | |
344 | if (p == NULL || *++p == '\0' || *p++ != '/') | |
345 | return FR_OK; | |
346 | ||
347 | while ((q = strchr(p, '/')) != NULL) { | |
348 | *q = '\0'; | |
349 | ret = f_mkdir(path); | |
350 | *q = '/'; | |
351 | if (ret != FR_OK && ret != FR_EXIST) | |
352 | return ret; | |
353 | p = q + 1; | |
354 | } | |
355 | ||
356 | return FR_OK; | |
357 | } | |
358 | #endif | |
359 | ||
360 | /* Work register for fs command */ | |
361 | struct stat_dat_s { | |
362 | DWORD AccSize; | |
363 | WORD AccFiles, AccDirs; | |
364 | FILINFO Finfo; | |
365 | }; | |
366 | ||
367 | static | |
368 | FRESULT scan_files ( | |
369 | char *path, /* Pointer to the working buffer with start path */ | |
370 | struct stat_dat_s *statp | |
371 | ) | |
372 | { | |
373 | DIR dirs; | |
374 | FRESULT res; | |
375 | int i; | |
376 | char *fn; | |
377 | ||
378 | res = f_opendir(&dirs, path); | |
379 | swirl(); | |
380 | if (res == FR_OK) { | |
381 | i = strlen(path); | |
382 | while (((res = f_readdir(&dirs, &statp->Finfo)) == FR_OK) && | |
383 | statp->Finfo.fname[0]) { | |
384 | if (FF_FS_RPATH && statp->Finfo.fname[0] == '.') | |
385 | continue; | |
386 | fn = statp->Finfo.fname; | |
387 | if (statp->Finfo.fattrib & AM_DIR) { | |
388 | statp->AccDirs++; | |
389 | path[i] = '/'; | |
390 | strcpy(path+i+1, fn); | |
391 | res = scan_files(path, statp); | |
392 | path[i] = '\0'; | |
393 | if (res != FR_OK) | |
394 | break; | |
395 | } else { | |
396 | //printf_P(PSTR("%s/%s\n"), path, fn); | |
397 | statp->AccFiles++; | |
398 | statp->AccSize += statp->Finfo.fsize; | |
399 | } | |
400 | if (check_abort()) { | |
401 | res = 255; | |
402 | break; | |
403 | } | |
404 | } | |
405 | } | |
406 | ||
407 | return res; | |
408 | } | |
409 | ||
410 | ||
411 | /* | |
412 | * fatstat path - Show logical drive status | |
413 | * | |
414 | */ | |
415 | command_ret_t do_stat(cmd_tbl_t *cmdtp UNUSED, uint_fast8_t flag UNUSED, int argc, char * const argv[]) | |
416 | { | |
417 | FATFS *fs; | |
418 | DWORD nfreeclst; | |
419 | FRESULT res; | |
420 | char *buf; | |
421 | char *path = ""; | |
422 | struct stat_dat_s statp; | |
423 | ||
424 | buf = (char *) malloc(PATH_MAX); | |
425 | if (buf == NULL) | |
426 | cmd_error(CMD_RET_FAILURE, ENOMEM, NULL); | |
427 | ||
428 | if (argc > 1) | |
429 | path = argv[1]; | |
430 | res = f_getfree(path, &nfreeclst, &fs); | |
431 | if (!res) { | |
432 | printf_P(PSTR( | |
433 | "FAT type: %u\n" | |
434 | "Bytes/Cluster: %lu\n" | |
435 | "Number of FATs: %u\n" | |
436 | "Root DIR entries: %u\n" | |
437 | "Sectors/FAT: %lu\n" | |
438 | "Number of clusters: %lu\n" | |
439 | "FAT start (lba): %lu\n" | |
440 | "DIR start (lba,cluster): %lu\n" | |
441 | "Data start (lba): %lu\n"), | |
442 | fs->fs_type, (DWORD)fs->csize * 512, fs->n_fats, | |
443 | fs->n_rootdir, fs->fsize, fs->n_fatent - 2, | |
444 | fs->fatbase, fs->dirbase, fs->database); | |
445 | ||
446 | #if FF_USE_LABEL | |
447 | DWORD serial; | |
448 | res = f_getlabel(path, buf, &serial); | |
449 | if (!res) { | |
450 | printf_P(PSTR( | |
451 | "Volume name: %s\n" | |
452 | "Volume S/N: %04X-%04X\n"), | |
453 | buf, (WORD)(serial >> 16), (WORD)(serial & 0xFFFF)); | |
454 | } | |
455 | #endif | |
456 | if (!res) { | |
457 | statp.AccSize = statp.AccFiles = statp.AccDirs = 0; | |
458 | strcpy(buf, path); | |
459 | ||
460 | my_puts_P(PSTR("\nCounting... ")); | |
461 | res = scan_files(buf, &statp); | |
462 | putchar('\r'); | |
463 | } | |
464 | if (!res) { | |
465 | printf_P(PSTR("%u files, %lu bytes.\n%u folders.\n" | |
466 | "%lu KB total disk space.\n%lu KB available.\n"), | |
467 | statp.AccFiles, statp.AccSize, statp.AccDirs, | |
468 | (fs->n_fatent - 2) * (fs->csize / 2), nfreeclst * (fs->csize / 2) | |
469 | ); | |
470 | } | |
471 | } | |
472 | ||
473 | free(buf); | |
474 | if (res) | |
475 | cmd_error(CMD_RET_FAILURE, res, NULL); | |
476 | ||
477 | return CMD_RET_SUCCESS; | |
478 | } | |
479 | ||
480 | /* | |
481 | * fatread/write - load binary file to/from a dos filesystem | |
482 | * read <d:/path/filename> <addr> [bytes [pos]] | |
483 | * write <d:/path/filename> <addr> <bytes> | |
484 | */ | |
485 | command_ret_t do_rw(cmd_tbl_t *cmdtp UNUSED, uint_fast8_t flag UNUSED, int argc, char * const argv[]) | |
486 | { | |
487 | FIL File; | |
488 | uint32_t addr; | |
489 | unsigned long bytes; | |
490 | unsigned long pos; | |
491 | unsigned long bytes_rw; | |
492 | ||
493 | bool dowrite = (argv[0][0] == 'w'); | |
494 | FRESULT res = FR_OK; | |
495 | bool buserr = 0; | |
496 | uint32_t timer; | |
497 | uint8_t *buffer; | |
498 | ||
499 | if (argc < (dowrite ? 4 : 3)) | |
500 | return CMD_RET_USAGE; | |
501 | ||
502 | addr = eval_arg(argv[2], NULL); | |
503 | if (addr >= MAX_MEMORY) | |
504 | cmd_error(CMD_RET_FAILURE, 0, PSTR("Address too high: %#lx"), addr); | |
505 | ||
506 | if (argc > 3) | |
507 | bytes = eval_arg(argv[3], NULL); | |
508 | else | |
509 | bytes = MAX_MEMORY; | |
510 | if (argc > 4) | |
511 | pos = eval_arg(argv[4], NULL); | |
512 | else | |
513 | pos = 0; | |
514 | ||
515 | if (addr + bytes > MAX_MEMORY) | |
516 | bytes = MAX_MEMORY - addr; | |
517 | ||
518 | buffer = (uint8_t *) malloc(BUFFER_SIZE); | |
519 | if (buffer == NULL) | |
520 | cmd_error(CMD_RET_FAILURE, ENOMEM, NULL); | |
521 | ||
522 | res = f_open(&File, argv[1], dowrite ? FA_WRITE | FA_CREATE_ALWAYS | |
523 | : FA_READ ); | |
524 | ||
525 | if (!res) { | |
526 | res = f_lseek(&File, pos); | |
527 | if (!res) { | |
528 | bytes_rw = 0; | |
529 | timer = get_timer(0); | |
530 | while (bytes) { | |
531 | unsigned int cnt, br; | |
532 | ||
533 | if (bytes >= BUFFER_SIZE) { | |
534 | cnt = BUFFER_SIZE; | |
535 | bytes -= BUFFER_SIZE; | |
536 | } else { | |
537 | cnt = bytes; bytes = 0; | |
538 | } | |
539 | if (dowrite) { | |
540 | if (!(z80_bus_cmd(Request) & ZST_ACQUIRED)) { | |
541 | buserr = 1; | |
542 | break; | |
543 | } | |
544 | z80_read_block(buffer, addr, cnt); | |
545 | z80_bus_cmd(Release); | |
546 | res = f_write(&File, buffer, cnt, &br); | |
547 | if (res != FR_OK) | |
548 | break; | |
549 | } else { | |
550 | res = f_read(&File, buffer, cnt, &br); | |
551 | if (res != FR_OK) | |
552 | break; | |
553 | if (!(z80_bus_cmd(Request) & ZST_ACQUIRED)) { | |
554 | buserr = 1; | |
555 | break; | |
556 | } | |
557 | z80_write_block(buffer, addr, br); | |
558 | z80_bus_cmd(Release); | |
559 | } | |
560 | addr += br; | |
561 | ||
562 | bytes_rw += br; | |
563 | if (cnt != br) { | |
564 | if (dowrite) | |
565 | printf_P(PSTR("Disk full?\n")); | |
566 | break; | |
567 | } | |
568 | if (check_abort()) | |
569 | break; | |
570 | } | |
571 | ||
572 | FRESULT fr = f_close(&File); | |
573 | if (!res) | |
574 | res = fr; | |
575 | timer = get_timer(timer); | |
576 | printf_P(PSTR("%lu (%#lx) bytes read/written with %lu bytes/sec.\n"), | |
577 | bytes_rw, bytes_rw, timer ? (bytes_rw * 1000 / timer) : 0); | |
578 | } | |
579 | } | |
580 | ||
581 | free(buffer); | |
582 | ||
583 | if (res) | |
584 | cmd_error(CMD_RET_FAILURE, res, PSTR("'%s'"), argv[1]); | |
585 | if (buserr || res) | |
586 | cmd_error(CMD_RET_FAILURE, EBUSTO, NULL); | |
587 | ||
588 | return CMD_RET_SUCCESS; | |
589 | } | |
590 | ||
591 | /* | |
592 | * command table for fat subcommands | |
593 | */ | |
594 | ||
595 | cmd_tbl_t cmd_tbl_fat[] = { | |
596 | CMD_TBL_ITEM( | |
597 | status, 2, CTBL_RPT, do_stat, | |
598 | "Show logical drive status", | |
599 | "dev" | |
600 | ), | |
601 | CMD_TBL_ITEM( | |
602 | pwd, 2, CTBL_RPT|CTBL_SUBCMDAUTO, do_pwd, | |
603 | "Print name of current/working directory", | |
604 | "" | |
605 | ), | |
606 | CMD_TBL_ITEM( | |
607 | cd, 2, 0|CTBL_SUBCMDAUTO, do_cd, | |
608 | "Change the current/working directory.", | |
609 | "path" | |
610 | ), | |
611 | CMD_TBL_ITEM( | |
612 | ls, 2, CTBL_RPT|CTBL_SUBCMDAUTO, do_ls, | |
613 | "Directory listing", | |
614 | "path" | |
615 | ), | |
616 | CMD_TBL_ITEM( | |
617 | load, 5, 0, do_rw, | |
618 | "load binary file from a dos filesystem", | |
619 | "<d:/path/filename> <addr> [bytes [pos]]\n" | |
620 | " - Load binary file 'path/filename' on logical drive 'd'\n" | |
621 | " to address 'addr' from dos filesystem.\n" | |
622 | " 'pos' gives the file position to start loading from.\n" | |
623 | " If 'pos' is omitted, 0 is used. 'pos' requires 'bytes'.\n" | |
624 | " 'bytes' gives the size to load. If 'bytes' is 0 or omitted,\n" | |
625 | " the load stops on end of file." | |
626 | ), | |
627 | CMD_TBL_ITEM( | |
628 | write, 4, 0, do_rw, | |
629 | "write file into a dos filesystem", | |
630 | "<d:/path/filename> <addr> <bytes>\n" | |
631 | " - Write file to 'path/filename' on logical drive 'd' from RAM\n" | |
632 | " starting at address 'addr'.\n" | |
633 | ), | |
634 | ||
635 | CMD_TBL_ITEM( | |
636 | help, CONFIG_SYS_MAXARGS, CTBL_RPT, do_help, | |
637 | "Print sub command description/usage", | |
638 | "\n" | |
639 | " - print brief description of all sub commands\n" | |
640 | "fat help command ...\n" | |
641 | " - print detailed usage of sub cmd 'command'" | |
642 | ), | |
643 | ||
644 | /* This does not use the CMD_TBL_ITEM macro as ? can't be used in symbol names */ | |
645 | {FSTR("?"), CONFIG_SYS_MAXARGS, 1, do_help, | |
646 | NULL, | |
647 | #ifdef CONFIG_SYS_LONGHELP | |
648 | FSTR(""), | |
649 | #endif /* CONFIG_SYS_LONGHELP */ | |
650 | NULL, | |
651 | #ifdef CONFIG_AUTO_COMPLETE | |
652 | NULL, | |
653 | #endif | |
654 | }, | |
655 | /* Mark end of table */ | |
656 | CMD_TBL_END(cmd_tbl_fat) | |
657 | }; | |
658 | ||
659 | ||
660 | command_ret_t do_fat(cmd_tbl_t *cmdtp UNUSED, uint_fast8_t flag UNUSED, int argc UNUSED, char * const argv[] UNUSED) | |
661 | { | |
662 | puts_P(PSTR("Huch?")); | |
663 | ||
664 | return CMD_RET_USAGE; | |
665 | } |