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add cd command

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hathach 2022-11-19 13:56:33 +07:00
parent bb570e02d6
commit 083ed364ba
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GPG Key ID: F5D50C6D51D17CBA
1 changed files with 44 additions and 6 deletions
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50
examples/host/msc_file_explorer/src/msc_app.c
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@ -57,6 +57,7 @@ static scsi_inquiry_resp_t inquiry_resp;
//--------------------------------------------------------------------+
void cli_cmd_ls(EmbeddedCli *cli, char *args, void *context);
void cli_cmd_cd(EmbeddedCli *cli, char *args, void *context);
void cli_write_char(EmbeddedCli *cli, char c)
{
@ -67,7 +68,7 @@ void cli_write_char(EmbeddedCli *cli, char c)
void cli_cmd_unknown(EmbeddedCli *cli, CliCommand *command)
{
(void) cli;
printf("Unknown commands: %s\r\n", command->name);
printf("%s: command not found\r\n", command->name);
}
bool msc_app_init(void)
@ -90,14 +91,23 @@ bool msc_app_init(void)
_cli->writeChar = cli_write_char;
embeddedCliAddBinding(_cli, (CliCommandBinding) {
"cd",
"Usage: cd [DIR]...\r\n\tChange the current directory to DIR.",
true,
NULL,
cli_cmd_cd
});
embeddedCliAddBinding(_cli, (CliCommandBinding) {
"ls",
"Usage: ls [FILE]...\r\n\tList information about the FILEs (the current directory by default).",
"Usage: ls [DIR]...\r\n\tList information about the FILEs (the current directory by default).",
true,
NULL,
cli_cmd_ls
});
return true;
}
@ -304,7 +314,11 @@ void cli_cmd_ls(EmbeddedCli *cli, char *args, void *context)
uint16_t argc = embeddedCliGetTokenCount(args);
// only support 1 argument
if ( argc > 1 ) return;
if ( argc > 1 )
{
printf("invalid arguments\r\n");
return;
}
// default is current directory
const char* dpath = ".";
@ -313,7 +327,7 @@ void cli_cmd_ls(EmbeddedCli *cli, char *args, void *context)
DIR dir;
if ( FR_OK != f_opendir(&dir, dpath) )
{
printf("cannot access '%s': No such file or directory", dpath);
printf("cannot access '%s': No such file or directory\r\n", dpath);
return;
}
@ -325,13 +339,37 @@ void cli_cmd_ls(EmbeddedCli *cli, char *args, void *context)
if ( fno.fattrib & AM_DIR )
{
// directory
printf("/%s\n", fno.fname);
printf("/%s\r\n", fno.fname);
}else
{
printf("%-40s%lu KB\n", fno.fname, fno.fsize / 1000);
printf("%-40s%lu KB\r\n", fno.fname, fno.fsize / 1000);
}
}
}
f_closedir(&dir);
}
void cli_cmd_cd(EmbeddedCli *cli, char *args, void *context)
{
(void) cli;
(void) context;
uint16_t argc = embeddedCliGetTokenCount(args);
// only support 1 argument
if ( argc != 1 )
{
printf("invalid arguments\r\n");
return;
}
// default is current directory
const char* dpath = args;
if ( FR_OK != f_chdir(dpath) )
{
printf("%s: No such file or directory\r\n", dpath);
return;
}
}