Added defines makeing it possible to split the application in various parts namely:

Loader (loads data from the smart media into ram)
Equalizer (The 'normal' known application)
Visualization (The graphical visualization)

1 files changed, 0 insertions, 182 deletions

diff --git a/Graphic_Equalizer/src/runfft.hcc b/Graphic_Equalizer/src/runfft.hcc
deleted file mode 100644
index 55d4b05..0000000
--- a/Graphic_Equalizer/src/runfft.hcc
+++ /dev/null
@@ -1,182 +0,0 @@
-/*! \file runfft.hcc

- *

- * \section generic	This module will handle the audio I/O. It will ensure the 

- *			audiosamples are correctly buffered and fed correctly to the FFT.\n

- *			This module will also handle the output of the modified audio samples.

- *

- * \section project Project information.

- * Project Graphic Equalizer\n

- * \author M. Lauwerijssen 

- * \date 20041110

- * \version 0.1

- *

- * \section copyright Copyright

- * Copyright ©2004 Koninklijke Philips Electronics N.V. All rights reserved

- *

- * \section history Change history

- * 20041110: M. Lauwerijssen\n	Initial version

- *

- ********************************************************************/

-#include <stdlib.hch>

-#include "pal_master.hch"

-

-#include "configuration.hch"

-#if USE_RUNFFT

-#include "audio.hch"

-#include "fft.hch"

-

-#if HAVE_DEBUG

-	#include "debug.hch"

-#endif

-

-/*

- * Forward declarations

- */

-static macro expr ClockRate = PAL_ACTUAL_CLOCK_RATE;

-#if HARDWARE_MULTIPLY

-//input buffer

-ram signed 18 audio_buffer_in[256] with { block = "BlockRAM"};

-//output buffer

-ram signed 18 audio_buffer_out[128] with { block = "BlockRAM"};	

-#else

-//input buffer

-ram signed 16 audio_buffer_in[256] with { block = "BlockRAM"};

-//output buffer

-ram signed 16 audio_buffer_out[128] with { block = "BlockRAM"};	

-#endif

-//EQ settings for the FFT

-ram unsigned 4 EQ_info[128] with { block = "BlockRAM"};	

-//EQ settings received from the display

-

-

-#if HARDWARE_MULTIPLY

-signed 18 *audioptr_in1,*audioptr_in2,*audioptr_in3,*audioptr_in4;

-

-signed 18 *audioptr_out1,*audioptr_out2;

-

-unsigned 6 *displayptr1,*displayptr2,*displayptr3,*displayptr4;

-#else

-signed 16 *audioptr_in1,*audioptr_in2,*audioptr_in3,*audioptr_in4;

-

-signed 16 *audioptr_out1,*audioptr_out2;

-

-unsigned 6 *displayptr1,*displayptr2,*displayptr3,*displayptr4;

-#endif

-

-/*! \fn		macro proc  audio_main(AUDIOIN, AUDIOOUT);

- * \brief	Audio I/O component main.

- * 

- * \param	audiodata	Pointer to audiodata struct

- * \param	AUDIOIN		Handle to audio-input

- * \param	AUDIOOUT	Handle to audio-output

- *

- * \return	Never Returns.

- * \retval	void

- */

-macro proc audio_main(audiodata, AUDIOIN, AUDIOOUT)

-{

-	signed 18 sample;

-	unsigned 6 sample_count;

-	unsigned 8 i,cycle;

-	unsigned 4 eqinfo;

-

-	unsigned 1 FFT_Sync, first;

-	macro expr OW = PalAudioOutGetMaxDataWidthCT ();

-	macro expr IW = PalAudioInGetMaxDataWidthCT  ();

-	signed LeftNew, RightNew;

-	signed Output_sample;

-

-	ram unsigned 6 input[64];

-

-  	//pointers for double and quadruple buffering:

-  	audioptr_in1 = &audio_buffer_in[0];

-  	audioptr_in2 = &audio_buffer_in[64];

-  	audioptr_in3 = &audio_buffer_in[128];

-  	audioptr_in4 = &audio_buffer_in[192];

-

-  	audioptr_out1 = &audio_buffer_out[0];

-  	audioptr_out2 = &audio_buffer_out[64];

-

-	displayptr1 = &audiodata.ifft_info.write[0];

-	displayptr2 = &audiodata.ifft_info.write[64];

-	displayptr3 = &audiodata.ifft_info.write[128];

-	displayptr4 = &audiodata.ifft_info.write[192];

-

-  	FFT_Sync=0;

-par

-{

-	for(;;)

-	{

-		if (FFT_Sync)	//if 64 samples are read from ADC...

-		{

-			par

-			{

-				// switch pointers 

-	    			audioptr_in1 = audioptr_in2;

-				audioptr_in2 = audioptr_in3;

-				audioptr_in3 = audioptr_in4;

-				audioptr_in4 = audioptr_in1;

-				

-				audioptr_out1 = audioptr_out2;

-				audioptr_out2 = audioptr_out1;

-

-				displayptr1=displayptr2;

-				displayptr2=displayptr3;

-				displayptr3=displayptr4;

-				displayptr4=displayptr1;

-				

-				FFT_Sync = 0;

-			}

-		

-			// FFT calculation

-			perform_fft(audioptr_in1);

-			

-#if PERFORM_FFT_CALCULATION

-			equalize_audio(&audiodata);

-#endif

-   			// inverse FFT calculation

-			perform_ifft(audioptr_out1,displayptr1);		

-    		}

-		else

-			delay;

-	}	

-

-	for(sample_count=0;;)//store the samples in the inputbuffer

-	{

-		if (!FFT_Sync)

-		{

-			par

-			{

-				seq

-				{

-					PalAudioInRead(AUDIOIN, &LeftNew, &RightNew);

-#if HARDWARE_MULTIPLY 					

-					audioptr_in1[sample_count] = LeftNew;//drop 2 LSB's

-#else

-					audioptr_in1[sample_count] = (LeftNew\\2);//drop 2 LSB's

-#endif

-					sample_count++; 

-    					if (!sample_count) 

-					{

-						FFT_Sync = 1; 

-					}

-				}

-				seq

-				{

-					Output_sample = audioptr_out2[sample_count];

-				}

-			}

-		}

-		else

-		{

-			delay;

-		}

-	}

-	for(;;)

-	{

-		PalAudioOutWrite(AUDIOOUT,(signed OW)(Output_sample @ 0),(signed OW)(Output_sample @ 0));

-	}

-}//end par

-}// end function

-#endif

-