/*

  * Project Frontplatte

  *

  * main.c  -  main programm

  *

  * This file is released under the GNU General Public License. Refer

  * to the COPYING file distributed with this package.

  *

  * (c) 2007 Carsten Presser cpresser AT fsing.uni-sb.de

  */

 /** I N C L U D E S **********************************************************/

 #include <p18cxxx.h>

 #include "usb.h"

 #include "io_cfg.h"

 #include "usb_compile_time_validation.h"

 #include "delay.h"

 #include <pwm.h>

 #include "user.h"

 #include "rc5.h"

 #include "comm.h"

 #include "myi2c.h"

 #include "t6963.h"

 /** P R I V A T E  P R O T O T Y P E S ***************************************/

 void USBTasks(void);

 /** V E C T O R  R E M A P P I N G *******************************************/

 extern void _startup (void);        // See c018i.c in your C18 compiler dir

 #pragma code _RESET_INTERRUPT_VECTOR = 0x000800

 void _reset (void)

 {

     _asm goto _startup _endasm

 }

 /** C O D E ********************************************************/

 #pragma code

 void main(void)

 {

 	unsigned char i = 0;

 	// init system

     mInitializeUSBDriver();

     UserInit();

 	// main loop

     while(1)

     {

 // USB-Tasks first...

         USBTasks();

 		if (gg_ioflags & FLAG_I2C)

 		{

 			ReadKeys();

 			if (! (gg_ioflags & FLAG_KEY)) ReadClock();

 			gg_ioflags &= (FLAG_I2C ^ 255);					// delete i2c-flag

 		}

 // perhaps we need to power up?

 		if (((gg_ioflags & FLAG_IR) && (gg_ir == RC5_KEY_POWER)) || (gg_ioflags & FLAG_ALARM))

 		{

 			PIN_POWER	= 1;

 			Delay15ms();

 			PIN_POWER	= 0;

 			gg_ioflags |= FLAG_POWER;

 			// TODO: echo starting command??

 			gg_ioflags &= (FLAG_IR ^ 255);

 		}

 		// check for input, process it and send our answers...

 		if((usb_device_state >= CONFIGURED_STATE)&&(UCONbits.SUSPND!=1))

 		{

         	ProcessInput();

 		}

 // if in managed mode...

 		if (gg_mode == MODE_MANAGED)

 		{

 			if((usb_device_state >= CONFIGURED_STATE)&&(UCONbits.SUSPND!=1))

 			{

 				// wooo wooo woooo. now zoidberg is the popular one!

 				if (gg_ioflags & FLAG_KEY)

 				{

 					comm_send_ir(RC5_FRONT_ADDRESS, gg_keys);

 					gg_ioflags &= (FLAG_KEY ^ 255);

 				}

 				if (gg_ioflags & FLAG_IR)

 				{

 					comm_send_ir(gg_ir_address, gg_ir);

 					gg_ioflags &= (FLAG_IR ^ 255);

 				}

 			}

 			else

 			{

 				gg_mode = MODE_UNMANAGED;

 			}

 		} 

 		else

 		{

 			// we are NOT in usb-mode...

 			if (gg_ioflags & FLAG_KEY)

 			{

 				switch (gg_keys)

 				{

 					case RC5_KEY_UP:	

 						if (gg_pwm1dc <= 250) gg_pwm1dc += 5;

 						SetDCPWM1((int)gg_pwm1dc << 2);

 						break;

 					case RC5_KEY_DOWN:	

 						if (gg_pwm1dc >= 5) gg_pwm1dc -= 5;

 						SetDCPWM1((int)gg_pwm1dc << 2);

 						break;

 					default:

 						break;

 				}

 				gg_ioflags &= (FLAG_KEY ^ 255);

 			}

 			// always display some stuff...

 			if (gg_ioflags & FLAG_COUNTER)

 			{

 				DrawTime();

 /*				lcd_WriteData(0x00);		// byte1

 				lcd_WriteData(0x08);		// byte2

 				lcd_WriteCommand(0x24);		//set!

 				Wdebug(gg_pwm1dc);*/

 				gg_ioflags &= (FLAG_COUNTER ^ 255);

 			}

 		}

     } // end of main loop

 } 

 void USBTasks(void)

 {

     /*

      * Servicing Hardware

      */

     USBCheckBusStatus();                    // Must use polling method

     if(UCFGbits.UTEYE!=1)

         USBDriverService();                 // Interrupt or polling method

     #if defined(USB_USE_CDC)

     CDCTxService();

     #endif

 }