main_bk.c

FAT16 Microchip Application not for PIC24F

	for (;;) {
		REDLED ^= 1;
		GREENLED ^= 1;
		
		xputc('>');
		ptr = linebuf;
		get_line(ptr, sizeof(linebuf));

		switch (*ptr++) {

		case 'd' :
			switch (*ptr++) {
			case 'd' :	/* dd [<sector>] - Dump secrtor */
				if (!xatoi(&ptr, &p2)) p2 = sect;
				res = disk_read(0, Buff, p2, 1);
				if (res) { xprintf("rc=%d\n", (WORD)res); break; }
				sect = p2 + 1;
				xprintf("Sector:%lu\n", p2);
				for (ptr=(char*)Buff, ofs = 0; ofs < 0x200; ptr+=16, ofs+=16)
					put_dump((BYTE*)ptr, ofs, 16);
				break;

			case 'i' :	/* di - Initialize physical drive */
				xprintf("rc=%d\n", (WORD)disk_initialize(0));
				break;

			case 's' :	/* ds - Show disk status */
				if (disk_ioctl(0, GET_SECTOR_COUNT, &p2) == RES_OK)
					{ xprintf("Drive size: %lu sectors\n", p2); }
				if (disk_ioctl(0, GET_SECTOR_SIZE, &w1) == RES_OK)
					{ xprintf("Sector size: %u\n", w1); }
				if (disk_ioctl(0, GET_BLOCK_SIZE, &p2) == RES_OK)
					{ xprintf("Erase block size: %lu sectors\n", p2); }
				if (disk_ioctl(0, MMC_GET_TYPE, &b1) == RES_OK)
					{ xprintf("MMC/SDC type: %u\n", b1); }
				if (disk_ioctl(0, MMC_GET_CSD, Buff) == RES_OK)
					{ xputs("CSD:\n"); put_dump(Buff, 0, 16); }
				if (disk_ioctl(0, MMC_GET_CID, Buff) == RES_OK)
					{ xputs("CID:\n"); put_dump(Buff, 0, 16); }
				if (disk_ioctl(0, MMC_GET_OCR, Buff) == RES_OK)
					{ xputs("OCR:\n"); put_dump(Buff, 0, 4); }
				if (disk_ioctl(0, MMC_GET_SDSTAT, Buff) == RES_OK) {
					xputs("SD Status:\n");
					for (s1 = 0; s1 < 64; s1 += 16) put_dump(Buff+s1, s1, 16);
				}
				break;
			}
			break;

		case 'b' :
			switch (*ptr++) {
			case 'd' :	/* bd <addr> - Dump R/W buffer */
				if (!xatoi(&ptr, &p1)) break;
				for (ptr=(char*)&Buff[p1], ofs = p1, cnt = 32; cnt; cnt--, ptr+=16, ofs+=16)
					put_dump((BYTE*)ptr, ofs, 16);
				break;

			case 'e' :	/* be <addr> [<data>] ... - Edit R/W buffer */
				if (!xatoi(&ptr, &p1)) break;
				if (xatoi(&ptr, &p2)) {
					do {
						Buff[p1++] = (BYTE)p2;
					} while (xatoi(&ptr, &p2));
					break;
				}
				for (;;) {
					xprintf("%04X %02X-", (WORD)(p1), (WORD)Buff[p1]);
					get_line(linebuf, sizeof(linebuf));
					ptr = linebuf;
					if (*ptr == '.') break;
					if (*ptr < ' ') { p1++; continue; }
					if (xatoi(&ptr, &p2))
						Buff[p1++] = (BYTE)p2;
					else
						xputs("???\n");
				}
				break;

			case 'r' :	/* br <sector> [<n>] - Read disk into R/W buffer */
				if (!xatoi(&ptr, &p2)) break;
				if (!xatoi(&ptr, &p3)) p3 = 1;
				xprintf("rc=%u\n", (WORD)disk_read(0, Buff, p2, p3));
				break;

			case 'w' :	/* bw <sector> [<n>] - Write R/W buffer into disk */
				if (!xatoi(&ptr, &p2)) break;
				if (!xatoi(&ptr, &p3)) p3 = 1;
				xprintf("rc=%u\n", (WORD)disk_write(0, Buff, p2, p3));
				break;

			case 'f' :	/* bf <n> - Fill working buffer */
				if (!xatoi(&ptr, &p1)) break;
				memset(Buff, (BYTE)p1, sizeof(Buff));
				break;

			}
			break;

		case 'f' :
			switch (*ptr++) {

			case 'i' :	/* fi - Force initialized the logical drive */
				put_rc(f_mount(0, &fatfs[0]));
				break;

			case 's' :	/* fs [<path>] - Show logical drive status */
				res = f_getfree(ptr, (DWORD*)&p2, &fs);
				if (res) { put_rc(res); break; }
				xprintf("FAT type = %u\nBytes/Cluster = %lu\nNumber of FATs = %u\n"
						"Root DIR entries = %u\nSectors/FAT = %lu\nNumber of clusters = %lu\n"
						"FAT start (lba) = %lu\nDIR start (lba,clustor) = %lu\nData start (lba) = %lu\n",
						(WORD)fs->fs_type, (DWORD)fs->csize * 512, (WORD)fs->n_fats,
						fs->n_rootdir, fs->sects_fat, (DWORD)fs->max_clust - 2,
						fs->fatbase, fs->dirbase, fs->database
				);
				acc_size = acc_files = acc_dirs = 0;
				res = scan_files(ptr);
				if (res) { put_rc(res); break; }
				xprintf("%u files, %lu bytes.\n%u folders.\n"
						"%lu KB total disk space.\n%lu KB available.\n",
						acc_files, acc_size, acc_dirs,
						(fs->max_clust - 2) * (fs->csize / 2), p2 * (fs->csize / 2)
				);
				break;

			case 'l' :	/* fl [<path>] - Directory listing */
				res = f_opendir(&dir, ptr);
				if (res) { put_rc(res); break; }
				p1 = s1 = s2 = 0;
				for(;;) {
					res = f_readdir(&dir, &finfo);
					if ((res != FR_OK) || !finfo.fname[0]) break;
					if (finfo.fattrib & AM_DIR) {
						s2++;
					} else {
						s1++; p1 += finfo.fsize;
					}
					xprintf("%c%c%c%c%c %u/%02u/%02u %02u:%02u %9lu  %s\n", 
							(finfo.fattrib & AM_DIR) ? 'D' : '-',
							(finfo.fattrib & AM_RDO) ? 'R' : '-',
							(finfo.fattrib & AM_HID) ? 'H' : '-',
							(finfo.fattrib & AM_SYS) ? 'S' : '-',
							(finfo.fattrib & AM_ARC) ? 'A' : '-',
							(finfo.fdate >> 9) + 1980, (finfo.fdate >> 5) & 15, finfo.fdate & 31,
							(finfo.ftime >> 11), (finfo.ftime >> 5) & 63,
							finfo.fsize, &(finfo.fname[0]));
				}
				xprintf("%4u File(s),%10lu bytes total\n%4u Dir(s)", s1, p1, s2);
				if (f_getfree(ptr, (DWORD*)&p1, &fs) == FR_OK)
					xprintf(", %10lu bytes free\n", p1 * fs->csize * 512);
				break;

			case 'o' :	/* fo <mode> <file> - Open a file */
				if (!xatoi(&ptr, &p1)) break;
				put_rc(f_open(&file1, ptr, (BYTE)p1));
				break;

			case 'c' :	/* fc - Close a file */
				put_rc(f_close(&file1));
				break;

			case 'e' :	/* fe - Seek file pointer */
				if (!xatoi(&ptr, &p1)) break;
				res = f_lseek(&file1, p1);
				put_rc(res);
				if (res == FR_OK)
					xprintf("fptr = %lu(0x%lX)\n", file1.fptr, file1.fptr);
				break;

			case 'r' :	/* fr <len> - read file */
				if (!xatoi(&ptr, &p1)) break;
				p2 = 0;
				Timer = 0;
				while (p1) {
					if ((DWORD)p1 >= sizeof(Buff)) {
						cnt = sizeof(Buff); p1 -= sizeof(Buff);
					} else {
						cnt = p1; p1 = 0;
					}
					res = f_read(&file1, Buff, cnt, &s2);
					if (res != FR_OK) { put_rc(res); break; }
					p2 += s2;
					if (cnt != s2) break;
				}
				xprintf("%lu bytes read with %lu kB/sec.\n", p2, p2 / Timer);
				break;

			case 'd' :	/* fd <len> - read and dump file from current fp */
				if (!xatoi(&ptr, &p1)) break;
				ofs = file1.fptr;
				while (p1) {
					if ((UINT)p1 >= 16) { cnt = 16; p1 -= 16; }
					else 				{ cnt = p1; p1 = 0; }
					res = f_read(&file1, Buff, cnt, &cnt);
					if (res != FR_OK) { put_rc(res); break; }
					if (!cnt) break;
					put_dump(Buff, ofs, cnt);
					ofs += 16;
				}
				break;

			case 'w' :	/* fw <len> <val> - write file */
				if (!xatoi(&ptr, &p1) || !xatoi(&ptr, &p2)) break;
				memset(Buff, (BYTE)p2, sizeof(Buff));
				p2 = 0;
				Timer = 0;
				while (p1) {
					if ((DWORD)p1 >= sizeof(Buff)) {
						cnt = sizeof(Buff); p1 -= sizeof(Buff);
					} else {
						cnt = p1; p1 = 0;
					}
					res = f_write(&file1, Buff, cnt, &s2);
					if (res != FR_OK) { put_rc(res); break; }
					p2 += s2;
					if (cnt != s2) break;
				}
				xprintf("%lu bytes written with %lu kB/sec.\n", p2, p2 / Timer);
				break;

			case 'n' :	/* fn <old_name> <new_name> - Change file/dir name */
				while (*ptr == ' ') ptr++;
				ptr2 = strchr(ptr, ' ');
				if (!ptr2) break;
				*ptr2++ = 0;
				while (*ptr2 == ' ') ptr2++;
				put_rc(f_rename(ptr, ptr2));
				break;

			case 'u' :	/* fu <name> - Unlink a file or dir */
				put_rc(f_unlink(ptr));
				break;

			case 'v' :	/* fv - Truncate file */
				put_rc(f_truncate(&file1));
				break;

			case 'k' :	/* fk <name> - Create a directory */
				put_rc(f_mkdir(ptr));
				break;

			case 'a' :	/* fa <atrr> <mask> <name> - Change file/dir attribute */
				if (!xatoi(&ptr, &p1) || !xatoi(&ptr, &p2)) break;
				put_rc(f_chmod(ptr, p1, p2));
				break;

			case 't' :	/* ft <year> <month> <day> <hour> <min> <sec> <name> - Change timestamp */
				if (!xatoi(&ptr, &p1) || !xatoi(&ptr, &p2) || !xatoi(&ptr, &p3)) break;
				finfo.fdate = ((p1 - 1980) << 9) | ((p2 & 15) << 5) | (p3 & 31);
				if (!xatoi(&ptr, &p1) || !xatoi(&ptr, &p2) || !xatoi(&ptr, &p3)) break;
				finfo.ftime = ((p1 & 31) << 11) | ((p1 & 63) << 5) | ((p1 >> 1) & 31);
				put_rc(f_utime(ptr, &finfo));
				break;

			case 'x' : /* fx <src_name> <dst_name> - Copy file */
				while (*ptr == ' ') ptr++;
				ptr2 = strchr(ptr, ' ');
				if (!ptr2) break;
				*ptr2++ = 0;
				while (*ptr2 == ' ') ptr2++;
				xprintf("Opening \"%s\"", ptr);
				res = f_open(&file1, ptr, FA_OPEN_EXISTING | FA_READ);
				xputc('\n');
				if (res) {
					put_rc(res);
					break;
				}
				xprintf("Creating \"%s\"", ptr2);
				res = f_open(&file2, ptr2, FA_CREATE_ALWAYS | FA_WRITE);
				xputc('\n');
				if (res) {
					put_rc(res);
					f_close(&file1);
					break;
				}
				xprintf("Copying...");
				p1 = 0;
				for (;;) {
					res = f_read(&file1, Buff, sizeof(Buff), &s1);
					if (res || s1 == 0) break;   /* error or eof */
					res = f_write(&file2, Buff, s1, &s2);
					p1 += s2;
					if (res || s2 < s1) break;   /* error or disk full */
				}
				xprintf("\n%lu bytes copied.\n", p1);
				f_close(&file1);
				f_close(&file2);
				break;
			case 'm' :	/* fm <partition rule> <sect/clust> - Create file system */
				if (!xatoi(&ptr, &p2) || !xatoi(&ptr, &p3)) break;
				xprintf("The memory card will be formatted. Are you sure? (Y/n)=", p1);
				get_line(ptr, sizeof(linebuf));
				if (*ptr == 'Y')
					put_rc(f_mkfs(0, (BYTE)p2, (WORD)p3));
				break;
			}
			break;

		case 't' :	/* t [<year> <mon> <mday> <hour> <min> <sec>] */
			if (xatoi(&ptr, &p1)) {
				rtcYear = p1-1900;
				xatoi(&ptr, &p1); rtcMon = p1-1;
				xatoi(&ptr, &p1); rtcMday = p1;
				xatoi(&ptr, &p1); rtcHour = p1;
				xatoi(&ptr, &p1); rtcMin = p1;
				if(!xatoi(&ptr, &p1)) break;
				rtcSec = p1;
			}
			xprintf("%u/%u/%u %02u:%02u:%02u\n", rtcYear+1900, rtcMon+1, rtcMday, rtcHour, rtcMin, rtcSec);
			break;
		}
	}

}