/*! \file main.hcc
 *
 * \section generic Message build up information and more
 *
 * \section project Project information.
 * Project Graphic Equalizer\n
 * \author O.M. Schinagl
 * \date 20041011
 * \version 0.1
 *
 * \section copyright Copyright
 * Copyright ©2004 Koninklijke Philips Electronics N.V. All rights reserved
 *
 * \section history Change history
 * 20041011: O.M. Schinagl\n	Initial version
 *
 *****************************************************************************/

/*
 * Set the Clock rate for this domain. 25.175 Mhz is required for the Video output.
 */
#define PAL_TARGET_CLOCK_RATE 25175000

/******** System Includes *************/
#include "pal_master.hch"

/******** Application Includes ********/
#include "configuration.hch"
#include "audio.hch"
#include "mouse_shared.hch"
#include "eventhandler_shared.hch"
#include "display_shared.hch"
#include "mouse.hch"
#include "eventhandler.hch"
#include "display.hch"
#include "smartmedia.hch"

#include "fft.hch"

#if HAVE_DEBUG
	#include "debug.hch"
#endif

/*! \fn		void main(void);
 * \brief	Main Application Loop.
 * 
 * \return	void
 * \retval	void
 */
void main(void) {
	/*
	 * Set VideoOut, Audio I/O and Ram Handles and set clockrate.
	 */
	macro expr ClockRate = PAL_ACTUAL_CLOCK_RATE;
	macro expr VideoOut = PalVideoOutOptimalCT(ClockRate);
	macro expr AudioIn  = PalAudioInCT(0);
	macro expr AudioOut = PalAudioOutCT(0);
	macro expr RAM_BANK0 = PalPL2RAMCT(0);

	mousedata_t mousedata;
	events_t events;
	audiodata_t audiodata;
	skindata_t skindata;
	unsigned AUDIOINITWIDTH audioinitdelay;
	unsigned 1 result;

	audioinitdelay = AUDIOINITDELAY;

	while (audioinitdelay) {
		audioinitdelay--;
	}

	/*
	 * Check library versions and Request various hardware functionality.
	 * We need at least Major Version 1. For Audio purposes we need atleast
	 * minor version 2.
	 */
	PalVersionRequire(1, 2);
	PalVideoOutRequire(1);
	PalAudioInRequire(1);
	PalAudioOutRequire(1);
	PalPL2RAMRequire(1);

	/*
	 * We verify some datawidths here at compile time. This to ensure
	 * successfull operation.
	 */
	assert (PalVideoOutGetColorWidthCT(VideoOut) == 24, 0, 
		"We need a 24-bit color Display.");
	assert (PalPL2RAMGetDataWidthCT(RAM_BANK0) >= 32, 0, 
		"We can't work with anything less then 32 bits wide ram.");

	/*
	 * Run The Following main tasks in parallel.
	 */
	par {
		/*
		 * Primary task is to 'Run' several hardware simultaniously.
		 */
		PalVideoOutRun(VideoOut, ClockRate);
		MouseRun(ClockRate);
		PalAudioInRun(AudioIn, ClockRate);
		PalAudioOutRun(AudioOut, ClockRate);
		PalPL2RAMRun(RAM_BANK0, ClockRate);

		/*
		 * The smartmedia device needs the CPLD to run also.
		 */
		CPLDRun(ClockRate);
		SmartMediaRun(ClockRate);
#if HAVE_DEBUG
		RC200RS232Run(RC200RS232_115200Baud, RC200RS232ParityNone,
			RC200RS232FlowControlNone, ClockRate);
#endif
		
		/*
		 * Parallel to our Primary tasks we run the application.
		 */
		seq {
			/*
			 * But first we need to initialize Video and Audio.
			 * We also load the data from the SmartMedia card
			 * into the ram.
			 */
#if HAVE_DEBUG
			print_eol();
			print_string("Graphic Equalizer 2");
			print_eol();
#endif
			PalVideoOutEnable(VideoOut);
			PalAudioInEnable(AudioIn);
			PalAudioOutEnable(AudioOut);
			audio_init(LINE_IN, SR_44100, AudioIn, AudioOut);

			/*
			 * Once we properly setup the SmartMedia we load our
			 * data folowed by our main program loop.
			 */
			result = smartmedia_init();
			if (!result) {
				smartmedia_loaddata(&skindata);

				/*
				 * Main application starts here!
				 */
				par {
					/*
					 * From here we run the mouse driver, audio
					 * and display in parallel. None of these
					 * should ever return.
					 */
					mouse_main(&mousedata);
					display_main(&skindata, &audiodata, &events, &mousedata);
					eventhandler_main(&audiodata, &events, &mousedata, &skindata);
					audio_main(audiodata, AudioIn, AudioOut);
				}
			} else {
#if HAVE_DEBUG
				print_string("Error Initializing SmartMedia");
#endif
			}
		}
	}

} /* --- main() --- */