void ProcessTerminal()
{
BYTE i,j;
BYTE Out;
//Make sure to prime the UART Pump if there is data in the queue
//but TX IRQ is disabled
if(BytesInQueue(&TERMINAL_OUT_QUEUE)>0 && (UART2_S1 & UART_S1_TDRE_MASK))
{
UART2_C2 |= UART_C2_TIE_MASK; //Enable Reciever Interrupts
}
if(BytesInQueue(&TERMINAL_IN_QUEUE)>0)
{
ByteDequeue(&TERMINAL_IN_QUEUE,&NextCharIn);
switch(NextCharIn)
{
case '\r':
TerminalLineBuf[TerminalPos++] = 0x0;
ByteEnqueue(&TERMINAL_OUT_QUEUE,NextCharIn);
if(TerminalPos > 1)
{
//find the command
i=0;
while(TerminalLineBuf[i]>0x20 && TerminalLineBuf[i]<0x7f)
{
TerminalCmdBuf[i] = TerminalLineBuf[i];
i++;
if(i==MAX_TERMINAL_CMD_CHARS)
{
break;
}
}
TerminalCmdBuf[i] = 0;
TerminalCmdBuf[i+1] = 0;
strcpy(TerminalArgs,&TerminalLineBuf[i]);
CmdFound = FALSE;
for(j=0;j<NUM_TERMINAL_CMDS;j++)
{
if(strcmp(TerminalCmdBuf,TerminalCommands[j]) == 0)
{
printf_Q(&TERMINAL_OUT_QUEUE,"\r\n");
if(TerminalCallbacks[j] != NULL)
TerminalCallbacks[j](TerminalArgs);
CmdFound = TRUE;
break;
}
}
if(CmdFound == FALSE)
{
printf_Q(&TERMINAL_OUT_QUEUE,"\r\n%s command not recognized.\r\n", TerminalCmdBuf);
}
}
ByteEnqueue(&TERMINAL_OUT_QUEUE,'\r\n');
ByteEnqueue(&TERMINAL_OUT_QUEUE,'>');
TerminalPos = 0;
break;
case '\b':
if(TerminalPos > 0)
{
TerminalPos--;
ByteEnqueue(&TERMINAL_OUT_QUEUE,NextCharIn);
}
break;
default:
if(TerminalPos == 0 && NextCharIn == 0x020)
{
//Do nothing if space bar is pressed at beginning of line
}
else if(NextCharIn >= 0x20 && NextCharIn<0x7F)
{
if(TerminalPos < MAX_TERMINAL_LINE_CHARS-1)
{
TerminalLineBuf[TerminalPos++] = NextCharIn;
ByteEnqueue(&TERMINAL_OUT_QUEUE,NextCharIn);
}
}
break;
}
}
}
bool UART1_TxDequeue(byte *data)
{
return (ByteDequeue(&UART1TxQueue, data));
}