/*

 * 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

}