void console_init()
{
command_len = 0;
// Print the first command prompt
// print_prompt();
// Start reading commands
usb_rx_start();
}
S32 usb_read(U32 dis_addr,U32 tag, U32 *len, U8*buf)
{
switch(tag)
{
case USB_START_XMIT_KEY:
usb_rx_start();
break;
case USB_STOP_XMIT_KEY:
usb_rx_stop();
break;
case USB_USER_DATA:
return(usb_read_hw( len, buf ));
case USB_USER_DATA_CSTR:
return(usb_read_hw_cstr( len, buf ));
case USB_ENUM_STATUS:
if (usb_enum_status != NULL)
{
if (usb_enum_status(dis_addr) == TRUE)
{
*buf = TRUE;
}
else
{
*buf = FALSE;
}
}
return CSST_SUCCESS;
default:
break;
}
return CSST_ERROR;
}
int console_run()
{
int ret = 1;
if (usb_rx_len)
{
for (int i = 0; i < usb_rx_len; ++i)
{
char ch = usb_rx_buffer[i];
if (ch == 3)
{
printf("Stop\n");
debug_update = 0;
ret = 0;
// Clear the command buffer
command_len = 0;
} else if (ch == '\r')
{
putchar('\n');
if (command_len >= MAX_COMMAND_SIZE)
{
// Command too long
printf("Command too long\n");
} else {
// We still have room for the terminator
command_buffer[command_len] = 0;
// Execute the command
console_execute_buffer();
}
// Clear the command buffer
command_len = 0;
} else if (ch == 8 || ch == 0x7f)
{
// Backspace
if (command_len)
{
putchar(8);
putchar(32);
putchar(8);
flush_stdout();
--command_len;
}
continue;
} else {
if (ch >= 0x20 && ch <= 0x7e && command_len < MAX_COMMAND_SIZE)
{
// Add to command buffer
command_buffer[command_len++] = ch;
putchar(ch);
flush_stdout();
}
continue;
}
print_prompt();
}
// Clear the buffer and keep reading
usb_rx_start();
}
return ret;
}
