From 8a2b0da07c62b1ab1d9d2240268fbf71f59421dd Mon Sep 17 00:00:00 2001 From: Leo C Date: Wed, 4 Apr 2018 00:08:52 +0200 Subject: fat commands are now subcommands of a single fat command. Added 'fat cd' and 'fat pwd'. --- avr/cmd_fat.c | 196 +++++++++++++++++++++++++++++++++++++++++++++++++++++++--- 1 file changed, 189 insertions(+), 7 deletions(-) (limited to 'avr/cmd_fat.c') diff --git a/avr/cmd_fat.c b/avr/cmd_fat.c index 20d1da9..6519688 100644 --- a/avr/cmd_fat.c +++ b/avr/cmd_fat.c @@ -8,6 +8,7 @@ * FAT filesystem commands */ +#include "cmd_fat.h" #include "common.h" #include #include @@ -21,12 +22,18 @@ #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 +FATFS FatFs0; +FATFS FatFs1; + +char chur_drv[3]; + DWORD get_fattime (void) { time_t timer; @@ -87,6 +94,13 @@ void put_rc (FRESULT rc) } +void setup_fatfs(void) +{ + f_mount(&FatFs0, "0:", 0); + f_mount(&FatFs1, "1:", 0); +} + + static void swirl(void) { static const FLASH char swirlchar[] = { '-','\\','|','/' }; @@ -155,7 +169,7 @@ FRESULT scan_files ( * fatstat path - Show logical drive status * */ -command_ret_t do_fat_stat(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) +command_ret_t do_stat(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) { FATFS *fs; DWORD nfreeclst; @@ -223,24 +237,109 @@ command_ret_t do_fat_stat(cmd_tbl_t *cmdtp, int flag, int argc, char * const arg return CMD_RET_SUCCESS; } +/* + * pwd - Print current directory of the current drive. + * + */ +command_ret_t do_pwd(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) +{ + FRESULT res; + char *buf; + + (void) cmdtp; (void) flag; (void) argc; (void) argv; + + buf = (char *) malloc(BUFFER_SIZE); + if (buf == NULL) { + printf_P(PSTR("pwd: Out of Memory!\n")); + free(buf); + return CMD_RET_FAILURE; + } + + res = f_getcwd(buf, BUFFER_SIZE); /* Get current directory path */ + + if (!res) { + puts(buf); + } + free(buf); + if (res) { + put_rc(res); + return CMD_RET_FAILURE; + } + return CMD_RET_SUCCESS; +} + + +/* + * cd - Change the current/working directory. + * + */ +command_ret_t do_cd(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) +{ + char *arg; + FRESULT res = 0; + + (void) cmdtp; (void) flag; (void) argc; + + if (argc < 2) { + arg = getenv_str(PSTR("HOME")); + if (arg == NULL) { + printf_P(PSTR("%s: \"%S\" is not set\n"), argv[0], PSTR("HOME")); + return CMD_RET_FAILURE; + } + } else + arg = argv[1]; + + if (arg[1] == ':') { + char drv[3]; + drv[2] = '\0'; + drv[1] = ':'; + drv[0] = arg[0]; + res = f_chdrive(drv); + } + if (!res) { + res = f_chdir(arg); + } + + if (res) { + put_rc(res); + return CMD_RET_FAILURE; + } + return CMD_RET_SUCCESS; +} + /* * fatls 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, int flag, 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(BUFFER_SIZE); + if (buf == NULL) { + printf_P(PSTR("pwd: Out of Memory!\n")); + free(buf); + return CMD_RET_FAILURE; + } + + if (argc < 2) + res = f_getcwd(buf, BUFFER_SIZE); /* Get current directory path */ + else + strncpy(buf, argv[1], BUFFER_SIZE); + + if (res == FR_OK) + res = f_opendir(&Dir, buf); + if (res != FR_OK) { + free(buf); put_rc(res); return CMD_RET_FAILURE; } @@ -270,10 +369,11 @@ command_ret_t do_fat_ls(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[ 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; @@ -316,7 +416,7 @@ FRESULT mkpath(TCHAR *path) * read [bytes [pos]] * write */ -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, int flag, int argc, char * const argv[]) { FIL File; uint32_t addr; @@ -434,3 +534,85 @@ command_ret_t do_fat_rw(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[ return CMD_RET_SUCCESS; } + + +static +command_ret_t do_help(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]); + +cmd_tbl_t cmd_fat_sub[] = { +CMD_TBL_ITEM( + stat, 2, 1, do_stat, + "Show logical drive status", + "dev" +), +CMD_TBL_ITEM( + pwd, 2, 1, do_pwd, + "Print name of current/working directory", + "" +), +CMD_TBL_ITEM( + cd, 2, 1, do_cd, + "Change the current/working directory.", + "path" +), +CMD_TBL_ITEM( + ls, 2, 1, do_ls, + "Directory listing", + "path" +), +CMD_TBL_ITEM( + load, 5, 0, do_rw, + "load binary file from a dos filesystem", + " [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", + " \n" + " - Write file to 'path/filename' on logical drive 'd' from RAM\n" + " starting at address 'addr'.\n" +), + +/* This does not use the CMD_TBL_ITEM macro as ? can't be used in symbol names */ + {FSTR("?"), CONFIG_SYS_MAXARGS, 1, do_help, + FSTR("Alias for 'help'"), +#ifdef CONFIG_SYS_LONGHELP + FSTR(""), +#endif /* CONFIG_SYS_LONGHELP */ +#ifdef CONFIG_AUTO_COMPLETE + 0, +#endif +}, +}; + +static +command_ret_t do_help(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) +{ + return _do_help(cmd_fat_sub, ARRAY_SIZE(cmd_fat_sub), cmdtp, flag, argc, argv); +} + + +command_ret_t do_fat(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) +{ + cmd_tbl_t *cp; + + if (argc < 2) + return CMD_RET_USAGE; + + /* drop initial "fat" arg */ + argc--; + argv++; + + cp = find_cmd_tbl(argv[0], cmd_fat_sub, ARRAY_SIZE(cmd_fat_sub)); + + if (cp) + return cp->cmd(cmdtp, flag, argc, argv); + + return CMD_RET_USAGE; +} -- cgit v1.2.3