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refractor msc host app examples

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This commit is contained in:
hathach
2013-10-01 16:11:34 +07:00
parent 640b0ec546
commit 18b3179bc6
5 changed files with 105 additions and 40 deletions
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37
demos/host/src/cli.c
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@@ -142,6 +142,25 @@ static char cli_buffer[CLI_MAX_BUFFER];
uint8_t fileread_buffer[CLI_FILE_READ_BUFFER] TUSB_CFG_ATTR_USBRAM;
static char volume_label[20];
static inline void drive_number2letter(char * p_path) ATTR_ALWAYS_INLINE;
static inline void drive_number2letter(char * p_path)
{
if (p_path[1] == ':')
{
p_path[0] = 'E' + p_path[0] - '0' ;
}
}
static inline void drive_letter2number(char * p_path) ATTR_ALWAYS_INLINE;
static inline void drive_letter2number(char * p_path)
{
if (p_path[1] == ':')
{
p_path[0] = p_path[0] - 'E' + '0';
}
}
//--------------------------------------------------------------------+
// IMPLEMENTATION
//--------------------------------------------------------------------+
@@ -149,10 +168,10 @@ static char volume_label[20];
void cli_command_prompt(void)
{
f_getcwd(cli_buffer, CLI_MAX_BUFFER);
printf("\n%s %c%s\n$ ",
drive_number2letter(cli_buffer);
printf("\n%s %s\n$ ",
(volume_label[0] !=0) ? volume_label : "No Label",
'E'+cli_buffer[0]-'0',
cli_buffer+1);
cli_buffer);
memclr_(cli_buffer, CLI_MAX_BUFFER);
}
@@ -294,9 +313,17 @@ cli_error_t cli_cmd_changedir(char * p_para)
{
if ( strlen(p_para) == 0 ) return CLI_ERROR_INVALID_PARA;
if ( FR_OK != f_chdir(p_para) )
if ( (p_para[1] == ':') && (strlen(p_para) == 2) )
{ // change drive
p_para[0] -= 'E';
if ( ! ( disk_is_ready(p_para[0]) && FR_OK == f_chdrive(p_para[0]) )) return CLI_ERROR_INVALID_PARA;
f_getlabel(NULL, volume_label, NULL);
}else
{
return CLI_ERROR_INVALID_PATH;
if ( FR_OK != f_chdir(p_para) )
{
return CLI_ERROR_INVALID_PATH;
}
}
return CLI_ERROR_NONE;