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