// Function used to print a string in the terminal by other tasks
void echo (char *string, char Terminalbackup)
{
INT8U backup_cnt = 0;
INT8U i = 0;
char backup[(CONSOLE_BUFFER_SIZE/2)];
char *command_start = "echo ";
char *command_end = "\n\r";
if (Terminalbackup == TRUE)
{
backup_cnt = TerminalBackup(&backup[0]);
}
SetSilentMode(TRUE);
while (*command_start)
{
if (OSQueuePost(USB, *command_start++) == BUFFER_UNDERRUN)
{
// Problema: Estouro de buffer
OSCleanQueue(USB);
}
}
while (*string)
{
if (OSQueuePost(USB, *string++) == BUFFER_UNDERRUN)
{
// Problema: Estouro de buffer
OSCleanQueue(USB);
}
}
while (*command_end)
{
if (OSQueuePost(USB, *command_end++) == BUFFER_UNDERRUN)
{
// Problema: Estouro de buffer
OSCleanQueue(USB);
}
}
if (Terminalbackup == TRUE)
{
for(i=0;i<backup_cnt;i++)
{
if (OSQueuePost(USB, backup[i]) == BUFFER_UNDERRUN)
{
// Problema: Estouro de buffer
OSCleanQueue(USB);
}
}
}
}
/*****************************************************************************
* Name:
* terminal_proces
* In:
* N/A
*
* Out:
* N/A
*
* Description:
* Main loop of terminal application. gathers input, and executes commands.
*
* Assumptions:
* --
*****************************************************************************/
void usb_terminal_process(void)
{
INT8U data;
char c;
while(1)
{
(void)OSQueuePend(USB, &data, 0);
c=(char)data;
if ((c != '\n') && (c != '\r'))
{
if (c != 0x7F)
{
if (SilentMode == FALSE)
{
while(c!=(char)(*putch)(c)) {};
}
} else
{
if (usb_cmd_line_ndx)
{
while(c!=(char)(*putch)(c)) {};
}
}
}
/* Execute command if enter is received, or usb_cmd_line is full. */
if ((c=='\r') || (usb_cmd_line_ndx == sizeof(usb_cmd_line)-2))
{
int usb_start = usb_skipp_space(usb_cmd_line, 0);
int usb_end = usb_find_word(usb_cmd_line, usb_start);
int usb_x;
/* Separate command string from parameters, and close
parameters string. */
usb_cmd_line[usb_end]=usb_cmd_line[usb_cmd_line_ndx]='\0';
/* Identify command. */
usb_x=usb_find_command(usb_cmd_line+usb_start);
/* Command not found. */
if (usb_x == -1)
{
print_usb("\r\nUnknown command!\r\n");
}
else
{
(*usb_cmds[usb_x]->func)(usb_cmd_line+usb_end+1);
}
usb_cmd_line_ndx=0;
usb_print_prompt();
SetSilentMode(FALSE);
}
else
{ /* Put character to usb_cmd_line. */
if (c=='\b')
{
if (usb_cmd_line_ndx > 0)
{
usb_cmd_line[usb_cmd_line_ndx]='\0';
usb_cmd_line_ndx--;
}
}
else if(c=='\n') {
continue;
}
else
{
if (c == 0x7F)
{
if (usb_cmd_line_ndx)
{
usb_cmd_line[usb_cmd_line_ndx]=0;
usb_cmd_line_ndx--;
usb_cmd_line[usb_cmd_line_ndx]=0;
}
} else
{
usb_cmd_line[usb_cmd_line_ndx++]=c;
}
}
}
if (SilentMode == FALSE)
{
cdc_process();
}
}
}
