/*
Program ID  : NXT_SendArduino.nxc
Create date : 5-21-2011
Author      : CH, Chen (Taiwan)
Description :
Transmit message to Arduino via Hi-Speed communication(RS485)
*/

/* *******************************************************
 * Waiting for message
 * ******************************************************* */
void Go_Rtn()
{
   string toArduinoMsg_Hi = "Hi Arduino !@" ;
   string toArduinoMsg_GD = "Good Day :) @" ;
   TextOut(0, LCD_LINE4, "Transmitting ..." );
   while(TRUE)
   {
        TextOut(0, LCD_LINE5, "                " );
        TextOut(0, LCD_LINE6, "                " );
        TextOut(0, LCD_LINE5, toArduinoMsg_Hi);
        SendRS485String(toArduinoMsg_Hi);
        while (RS485SendingData());
        
        Wait(1000);

        TextOut(0, LCD_LINE6, toArduinoMsg_GD);
        SendRS485String(toArduinoMsg_GD);
        while (RS485SendingData());
        
        Wait(1000);
   }
}

/* *******************************************************
 * Initialization
 * ******************************************************* */
void Init_Rtn()
{
   // Configure Hi-Speed port(port 4)
   UseRS485();
   //RS485Control(HS_CTRL_INIT, HS_BAUD_9600, HS_MODE_8N1);
   RS485Uart(HS_BAUD_9600, HS_MODE_8N1);
}

/* *******************************************************
 * Main routine
 * ******************************************************* */
task main()
{
   ClearScreen();
   TextOut(0, LCD_LINE1, "NXT ---> Arduino" );
   TextOut(0, LCD_LINE2, "    via RS485   " );
   
   Init_Rtn();
   Go_Rtn();
}