/*
- * (C) Copyright 2014,2016 Leo C. <erbl259-lmu@yahoo.de>
+ * (C) Copyright 2014,2016,2018 Leo C. <erbl259-lmu@yahoo.de>
*
* SPDX-License-Identifier: GPL-2.0
*/
* FAT filesystem commands
*/
-#include "common.h"
-#include <string.h>
-#include <stdbool.h>
+#include "cmd_fat.h"
+#include <ctype.h>
-#include "command.h"
#include "ff.h"
#include "z80-if.h"
#include "eval_arg.h"
#include "time.h"
#include "timer.h"
#include "debug.h"
+#include "env.h"
-/* TODO: use memory size test function (cmd_mem.c) */
-#define MAX_MEMORY (1ul << 19)
-#define BUFFER_SIZE 512
+#define DEBUG_FA 0 /* set to 1 to debug */
+
+#define debug_fa(fmt, args...) \
+ debug_cond(DEBUG_FA, fmt, ##args)
+
+
+/* TODO: use memory size test function (detect_ramsize() in cmd_loadihex.c) */
+/* TODO: detect_ramsize() should be moved to z80-if.c */
+#define MAX_MEMORY CONFIG_SYS_RAMSIZE_MAX
+#define BUFFER_SIZE FF_MAX_SS
+#define PATH_MAX CONFIG_SYS_MAX_PATHLEN
+
+
+/*
+ * Multible (fat) partitions per physical drive are not supported,
+ * but we have up to 2 sdcard slots.
+ */
+FATFS FatFs0;
+FATFS FatFs1;
+
+command_ret_t command_ret;
+char *cmdname;
+
+
+void setup_fatfs(void)
+{
+ f_mount(&FatFs0, "0:", 0);
+ f_mount(&FatFs1, "1:", 0);
+}
DWORD get_fattime (void)
{
}
+void err(const char *fmt, ...)
+{
+ va_list ap;
+ va_start(ap, fmt);
+ printf_P(PSTR("fat %s: "), cmdname);
+ vfprintf_P(stdout, fmt, ap);
+ va_end(ap);
+ printf_P(PSTR("\n"));
+ _delay_ms(20);
+ command_ret = CMD_RET_FAILURE;
+}
+
static void swirl(void)
{
static const FLASH char swirlchar[] = { '-','\\','|','/' };
static uint32_t tstamp;
if (get_timer(0) > tstamp) {
- printf_P(PSTR("\b%c"), swirlchar[cnt]);
- cnt = (cnt+1) % ARRAY_SIZE(swirlchar);
tstamp = get_timer(0) + 250;
+ putchar('\b');
+ cnt = (cnt+1) & 3;
+ putchar(swirlchar[cnt]);
}
}
-/* Work register for fs command */
-struct stat_dat_s {
- DWORD AccSize;
- WORD AccFiles, AccDirs;
- FILINFO Finfo;
-};
+typedef struct {
+ char *p_end; /* pointer to NULL at end of path */
+ char p_path[PATH_MAX + 1]; /* pointer to the start of a path */
+} PATH_T;
-static
-FRESULT scan_files (
- char *path, /* Pointer to the working buffer with start path */
- struct stat_dat_s *statp
-)
-{
- DIR dirs;
- FRESULT res;
- int i;
- char *fn;
- res = f_opendir(&dirs, path);
- swirl();
- if (res == FR_OK) {
- i = strlen(path);
- while (((res = f_readdir(&dirs, &statp->Finfo)) == FR_OK) &&
- statp->Finfo.fname[0]) {
- if (_FS_RPATH && statp->Finfo.fname[0] == '.')
- continue;
- fn = statp->Finfo.fname;
- if (statp->Finfo.fattrib & AM_DIR) {
- statp->AccDirs++;
- path[i] = '/';
- strcpy(path+i+1, fn);
- res = scan_files(path, statp);
- path[i] = '\0';
- if (res != FR_OK)
- break;
- } else {
- //printf_P(PSTR("%s/%s\n"), path, fn);
- statp->AccFiles++;
- statp->AccSize += statp->Finfo.fsize;
- }
- if (check_abort()) {
- res = 255;
- break;
- }
+static char *path_skip_heading(char *p)
+{
+ if (isdigit(p[0]) && p[1] == ':') {
+ p += 2;
+ } else {
+ char *q = p;
+ if (*q++ == '.') {
+ if (*q == '.')
+ ++q;
+ if (*q == '\0' || *q == '/')
+ p = q;
}
+ return p;
}
+ if (*p == '/')
+ ++p;
- return res;
+ return p;
}
+static void strip_trailing_slash(PATH_T *p)
+{
+ char *beg = path_skip_heading(p->p_path);
+ char *end = p->p_end;
+
+ while (end > beg && end[-1] == '/')
+ *--end = '\0';
+
+ p->p_end =end;
+}
/*
- * fatstat path - Show logical drive status
+ * Move specified string into path. Convert "" to "." to handle BSD
+ * semantics for a null path. Strip trailing slashes.
+ */
+static PATH_T *path_setup(char *string)
+{
+ if (strlen(string) > PATH_MAX) {
+ err(PSTR("'%s': name too long"), string);
+ return NULL;
+ }
+
+ PATH_T *p = (PATH_T *) malloc(sizeof *p);
+ if (p == NULL) {
+ err(PSTR("'%s': Out of Memory"), string);
+ return NULL;
+ }
+
+ strcpy(p->p_path, string);
+ size_t len = strlen(string);
+ if (len > 1 && p->p_path[1] == ':' && p->p_path[2] != '/') {
+ if (len < PATH_MAX) {
+ memmove(p->p_path+3, p->p_path+2, len-1);
+ p->p_path[2] = '/';
+ len += 1;
+ } else {
+ err(PSTR("'%s': Out of Memory"), string);
+ return NULL;
+ }
+ }
+
+ p->p_end = p->p_path + len;
+ if (p->p_path == p->p_end) {
+ *p->p_end++ = '.';
+ *p->p_end = '\0';
+ }
+
+ strip_trailing_slash(p);
+ return p;
+}
+
+/*
+ * pwd - Print current directory of the current drive.
*
*/
-command_ret_t do_fat_stat(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+command_ret_t do_pwd(cmd_tbl_t *cmdtp UNUSED, uint_fast8_t flag UNUSED, int argc UNUSED, char * const argv[] UNUSED)
{
- FATFS *fs;
- DWORD nfreeclst;
FRESULT res;
- char *path;
- struct stat_dat_s statp;
+ char *buf;
- (void) cmdtp; (void) flag; (void) argc;
+ buf = (char *) malloc(PATH_MAX);
+ if (buf == NULL) {
+ printf_P(PSTR("pwd: Out of Memory!\n"));
+ return CMD_RET_FAILURE;
+ }
+ *buf = '\0';
+ res = f_getcwd(buf, PATH_MAX); /* Get current directory path */
- path = (char *) malloc(BUFFER_SIZE);
- if (path == NULL) {
- printf_P(PSTR("fatstat: Out of Memory!\n"));
- free(path);
+ debug_fa("### f_getcwd(): buf: '%s', res: %d\n", buf, res);
+
+ if (res == FR_OK) {
+ puts(buf);
+ }
+ free(buf);
+ if (res != FR_OK) {
+ put_rc(res);
return CMD_RET_FAILURE;
}
+ return CMD_RET_SUCCESS;
+}
- res = f_getfree(argv[1], &nfreeclst, &fs);
- if (!res) {
- printf_P(PSTR(
- "FAT type: %u\n"
- "Bytes/Cluster: %lu\n"
- "Number of FATs: %u\n"
- "Root DIR entries: %u\n"
- "Sectors/FAT: %lu\n"
- "Number of clusters: %lu\n"
- "FAT start (lba): %lu\n"
- "DIR start (lba,cluster): %lu\n"
- "Data start (lba): %lu\n"),
- fs->fs_type, (DWORD)fs->csize * 512, fs->n_fats,
- fs->n_rootdir, fs->fsize, fs->n_fatent - 2,
- fs->fatbase, fs->dirbase, fs->database);
-#if _USE_LABEL
- TCHAR label[12];
- DWORD serial;
- res = f_getlabel(argv[1], label, &serial);
- if (!res) {
- printf_P(PSTR(
- "Volume name: %s\n"
- "Volume S/N: %04X-%04X\n"),
- label, (WORD)(serial >> 16), (WORD)(serial & 0xFFFF));
- }
-#endif
- if (!res) {
- my_puts_P(PSTR("\nCounting... "));
- statp.AccSize = statp.AccFiles = statp.AccDirs = 0;
- strcpy(path, argv[1]);
+/*
+ * cd - Change the current/working directory.
+ *
+ */
+command_ret_t do_cd(cmd_tbl_t *cmdtp UNUSED, uint_fast8_t flag UNUSED, int argc, char * const argv[])
+{
+ char *arg;
+ FRESULT res = FR_OK;
- res = scan_files(path, &statp);
- }
- if (!res) {
- printf_P(PSTR("\r%u files, %lu bytes.\n%u folders.\n"
- "%lu KB total disk space.\n%lu KB available.\n"),
- statp.AccFiles, statp.AccSize, statp.AccDirs,
- (fs->n_fatent - 2) * (fs->csize / 2), nfreeclst * (fs->csize / 2)
- );
+ cmdname = argv[0];
+
+ if (argc < 2) {
+ arg = getenv_str(PSTR(ENV_HOME));
+ if (arg == NULL) {
+ printf_P(PSTR("%s: \"%S\" is not set\n"), argv[0], PSTR(ENV_HOME));
+ return CMD_RET_FAILURE;
}
- }
+ } else
+ arg = argv[1];
+
+ PATH_T *path = path_setup(arg);
+ if (path == NULL)
+ return CMD_RET_FAILURE;
+ if (strlen(path->p_path) > 1 && path->p_path[1] == ':') {
+ res = f_chdrive(path->p_path);
+ debug_fa("### f_chdrive(): p_path: '%s', res: %d\n", path->p_path, res);
+ }
+ if (res == FR_OK) {
+ res = f_chdir(path->p_path);
+ debug_fa("### f_chdir(): p_path: '%s', res: %d\n", path->p_path, res);
+ }
free(path);
- if (res) {
+ if (res != FR_OK) {
put_rc(res);
return CMD_RET_FAILURE;
}
/*
- * fatls path - Directory listing
+ * ls path - Directory listing
*
*/
-command_ret_t do_fat_ls(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+command_ret_t do_ls(cmd_tbl_t *cmdtp UNUSED, uint_fast8_t flag UNUSED, int argc, char * const argv[])
{
FATFS *fs;
DIR Dir; /* Directory object */
FILINFO Finfo;
unsigned long p1;
unsigned int s1, s2;
- FRESULT res;
+ FRESULT res = FR_OK;
+ char *buf;
- (void) cmdtp; (void) flag; (void) argc;
- res = f_opendir(&Dir, argv[1]);
- if (res) {
+ buf = (char *) malloc(PATH_MAX);
+ if (buf == NULL) {
+ printf_P(PSTR("pwd: Out of Memory!\n"));
+ return CMD_RET_FAILURE;
+ }
+
+ if (argc < 2)
+ res = f_getcwd(buf, PATH_MAX); /* Get current directory path */
+ else
+ strncpy(buf, argv[1], PATH_MAX);
+
+ if (res == FR_OK)
+ res = f_opendir(&Dir, buf);
+ if (res != FR_OK) {
+ free(buf);
put_rc(res);
return CMD_RET_FAILURE;
}
if (res == FR_OK) {
printf_P(PSTR("%4u File(s),%10lu bytes total\n%4u Dir(s)"), s1, p1, s2);
- if (f_getfree(argv[1], (DWORD*)&p1, &fs) == FR_OK)
+ if (f_getfree(buf, (DWORD*)&p1, &fs) == FR_OK)
printf_P(PSTR(", %10luK bytes free\n"), p1 * fs->csize / 2);
}
+ free(buf);
if (res) {
put_rc(res);
return CMD_RET_FAILURE;
return CMD_RET_SUCCESS;
}
+#if 0
static
FRESULT mkpath(TCHAR *path)
{
/* TODO: */
(void) path;
-#if 0
FILINFO fd
TCHAR *p, *q;
FRESULT ret;
return ret;
p = q + 1;
}
-#endif
return FR_OK;
}
+#endif
+
+/* Work register for fs command */
+struct stat_dat_s {
+ DWORD AccSize;
+ WORD AccFiles, AccDirs;
+ FILINFO Finfo;
+};
+
+static
+FRESULT scan_files (
+ char *path, /* Pointer to the working buffer with start path */
+ struct stat_dat_s *statp
+)
+{
+ DIR dirs;
+ FRESULT res;
+ int i;
+ char *fn;
+
+ res = f_opendir(&dirs, path);
+ swirl();
+ if (res == FR_OK) {
+ i = strlen(path);
+ while (((res = f_readdir(&dirs, &statp->Finfo)) == FR_OK) &&
+ statp->Finfo.fname[0]) {
+ if (FF_FS_RPATH && statp->Finfo.fname[0] == '.')
+ continue;
+ fn = statp->Finfo.fname;
+ if (statp->Finfo.fattrib & AM_DIR) {
+ statp->AccDirs++;
+ path[i] = '/';
+ strcpy(path+i+1, fn);
+ res = scan_files(path, statp);
+ path[i] = '\0';
+ if (res != FR_OK)
+ break;
+ } else {
+ //printf_P(PSTR("%s/%s\n"), path, fn);
+ statp->AccFiles++;
+ statp->AccSize += statp->Finfo.fsize;
+ }
+ if (check_abort()) {
+ res = 255;
+ break;
+ }
+ }
+ }
+
+ return res;
+}
+
+
+/*
+ * fatstat path - Show logical drive status
+ *
+ */
+command_ret_t do_stat(cmd_tbl_t *cmdtp UNUSED, uint_fast8_t flag UNUSED, int argc, char * const argv[])
+{
+ FATFS *fs;
+ DWORD nfreeclst;
+ FRESULT res;
+ char *buf;
+ char *path = "";
+ struct stat_dat_s statp;
+
+ buf = (char *) malloc(PATH_MAX);
+ if (buf == NULL) {
+ printf_P(PSTR("fat stat: Out of Memory!\n"));
+ return CMD_RET_FAILURE;
+ }
+
+ if (argc > 1)
+ path = argv[1];
+ res = f_getfree(path, &nfreeclst, &fs);
+ if (!res) {
+ printf_P(PSTR(
+ "FAT type: %u\n"
+ "Bytes/Cluster: %lu\n"
+ "Number of FATs: %u\n"
+ "Root DIR entries: %u\n"
+ "Sectors/FAT: %lu\n"
+ "Number of clusters: %lu\n"
+ "FAT start (lba): %lu\n"
+ "DIR start (lba,cluster): %lu\n"
+ "Data start (lba): %lu\n"),
+ fs->fs_type, (DWORD)fs->csize * 512, fs->n_fats,
+ fs->n_rootdir, fs->fsize, fs->n_fatent - 2,
+ fs->fatbase, fs->dirbase, fs->database);
+
+#if FF_USE_LABEL
+ DWORD serial;
+ res = f_getlabel(path, buf, &serial);
+ if (!res) {
+ printf_P(PSTR(
+ "Volume name: %s\n"
+ "Volume S/N: %04X-%04X\n"),
+ buf, (WORD)(serial >> 16), (WORD)(serial & 0xFFFF));
+ }
+#endif
+ if (!res) {
+ statp.AccSize = statp.AccFiles = statp.AccDirs = 0;
+ strcpy(buf, path);
+
+ my_puts_P(PSTR("\nCounting... "));
+ res = scan_files(buf, &statp);
+ putchar('\r');
+ }
+ if (!res) {
+ printf_P(PSTR("%u files, %lu bytes.\n%u folders.\n"
+ "%lu KB total disk space.\n%lu KB available.\n"),
+ statp.AccFiles, statp.AccSize, statp.AccDirs,
+ (fs->n_fatent - 2) * (fs->csize / 2), nfreeclst * (fs->csize / 2)
+ );
+ }
+ }
+
+ free(buf);
+ if (res) {
+ put_rc(res);
+ return CMD_RET_FAILURE;
+ }
+ return CMD_RET_SUCCESS;
+}
/*
* fatread/write - load binary file to/from a dos filesystem
* read <d:/path/filename> <addr> [bytes [pos]]
* write <d:/path/filename> <addr> <bytes>
*/
-command_ret_t do_fat_rw(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+command_ret_t do_rw(cmd_tbl_t *cmdtp UNUSED, uint_fast8_t flag UNUSED, int argc, char * const argv[])
{
FIL File;
uint32_t addr;
unsigned long pos;
unsigned long bytes_rw;
- bool dowrite = (argv[0][3] == 'w');
+ bool dowrite = (argv[0][0] == 'w');
FRESULT res = FR_OK;
bool buserr = 0;
uint32_t timer;
uint8_t *buffer;
- (void) cmdtp; (void) flag;
-
if (argc < (dowrite ? 4 : 3))
return CMD_RET_USAGE;
buffer = (uint8_t *) malloc(BUFFER_SIZE);
if (buffer == NULL) {
printf_P(PSTR("fatstat: Out of Memory!\n"));
- free(buffer);
return CMD_RET_FAILURE;
}
- if (dowrite) {
- res = mkpath(argv[1]);
- }
if (!res) {
res = f_open(&File, argv[1], dowrite ? FA_WRITE | FA_CREATE_ALWAYS
: FA_READ );
return CMD_RET_SUCCESS;
}
+
+/*
+ * command table for fat subcommands
+ */
+
+cmd_tbl_t cmd_tbl_fat[] = {
+CMD_TBL_ITEM(
+ status, 2, CTBL_RPT, do_stat,
+ "Show logical drive status",
+ "dev"
+),
+CMD_TBL_ITEM(
+ pwd, 2, CTBL_RPT|CTBL_SUBCMDAUTO, do_pwd,
+ "Print name of current/working directory",
+ ""
+),
+CMD_TBL_ITEM(
+ cd, 2, 0|CTBL_SUBCMDAUTO, do_cd,
+ "Change the current/working directory.",
+ "path"
+),
+CMD_TBL_ITEM(
+ ls, 2, CTBL_RPT|CTBL_SUBCMDAUTO, do_ls,
+ "Directory listing",
+ "path"
+),
+CMD_TBL_ITEM(
+ load, 5, 0, do_rw,
+ "load binary file from a dos filesystem",
+ "<d:/path/filename> <addr> [bytes [pos]]\n"
+ " - Load binary file 'path/filename' on logical drive 'd'\n"
+ " to address 'addr' from dos filesystem.\n"
+ " 'pos' gives the file position to start loading from.\n"
+ " If 'pos' is omitted, 0 is used. 'pos' requires 'bytes'.\n"
+ " 'bytes' gives the size to load. If 'bytes' is 0 or omitted,\n"
+ " the load stops on end of file."
+),
+CMD_TBL_ITEM(
+ write, 4, 0, do_rw,
+ "write file into a dos filesystem",
+ "<d:/path/filename> <addr> <bytes>\n"
+ " - Write file to 'path/filename' on logical drive 'd' from RAM\n"
+ " starting at address 'addr'.\n"
+),
+
+CMD_TBL_ITEM(
+ help, CONFIG_SYS_MAXARGS, CTBL_RPT, do_help,
+ "Print sub command description/usage",
+ "\n"
+ " - print brief description of all sub commands\n"
+ "fat help command ...\n"
+ " - print detailed usage of sub cmd 'command'"
+),
+
+/* This does not use the CMD_TBL_ITEM macro as ? can't be used in symbol names */
+ {FSTR("?"), CONFIG_SYS_MAXARGS, 1, do_help,
+ NULL,
+#ifdef CONFIG_SYS_LONGHELP
+ FSTR(""),
+#endif /* CONFIG_SYS_LONGHELP */
+ NULL,
+#ifdef CONFIG_AUTO_COMPLETE
+ NULL,
+#endif
+},
+/* Mark end of table */
+CMD_TBL_END(cmd_tbl_fat)
+};
+
+
+command_ret_t do_fat(cmd_tbl_t *cmdtp UNUSED, uint_fast8_t flag UNUSED, int argc UNUSED, char * const argv[] UNUSED)
+{
+ puts_P(PSTR("Huch?"));
+
+ return CMD_RET_USAGE;
+}