Flashed Program Slow

Hi Butters,

You have discovered a small bug in the FFT filter Demo. I apologize and thank you for your patience.

None of the PLL #defines are actually defined when the PLL_98MHz() and  InitSystem() functions are called.

To fix this bug, define either PLL_98M or PLL_100M to 1 at the top of main.c

At the top of main.c:

#define PLL_98M 1

OR

#define PLL_100M 1

I have tested both fixes booting from the SPI EEPROM on the C5505 EZDSP. Both fixes produces good results.

I will upload a fixed version to the Open Source EZDSP website.

Thanks,
Mark

Thanks for the reply Mark

Three questions:

1. So what exactly is PLL_98M function in the main is for?

2. For general EEPROM programming, how does the GEL-to-C work?

I wrote the following codes based on GEL description:

flash_routines.c

#include "flash_routines.h"

void DoFlashInitialization() {

OnTargetConnect();

}

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

/* OnTargetConnect() -- this function is called after a target  */

/* connect.                                                     */

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

void OnTargetConnect()

{

    //GEL_Reset();

   // Peripheral_Reset();

    ProgramPLL_100MHz();

    //GEL_TextOut("Target Connection Complete.\n"); 

}

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

/* OnRestart()                                                  */

/* This function is executed before a file is restarted. Disable*/

/* interrupts and DMA from the current program so pending       */

/* events and transfers don't interfere with the new program.   */

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

//void OnRestart()

//{

//    /* Disable interrupts */

//    *(int*)0x0003 = *(int*)0x0003 | 0x0800; // Set INTM

//    *(int*)0x0000 = 0;      // Clear IER0

//    *(int*)0x0000 = 0;      // Clear IER1

//}

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

/* OnReset()                                                    */

/* This function is called by CCS when you do Debug->Resest.    */

/* The goal is to put the C55xx into a known good state with    */

/* respect to cache, dma and interrupts.                        */

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

void OnReset( int nErrorCode )

{

}

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

/* OnFileLoaded()                                               */

/* This function is called by CCS when you do File->Load Program*/

/* The goal is to do in post file loaded configuration that may */

/* be needed.                                                   */

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

void OnFileLoaded()

{

}

// Reset Peripheral?

void Peripheral_Reset()

{

    int i;

    *(short *)PSRCR = 0x0020;

    *(short *)PRCR  = 0x00BB;

    for(i=0;i<0xff;i++);

    *(short *)IVPD = 0x027F; // Load interrupt vector pointer

}

// Set the Clock to 100MHz

void ProgramPLL_100MHz() {

    int i;

    /* Enable clocks to all peripherals */

    *(short *)PCGCR1 = 0x0;

    *(short *)PCGCR2 = 0x0;

    /* Bypass PLL */

    *(short *)CCR2 = 0x0;

    /* Set CLR_CNTL = 0 */

    *(short *)CGCR1 = *(short *)CGCR1 & 0x7FFF;

    *(short *)CGCR2 = 0x8000;

    *(short *)CGCR4 = 0x0000;

    *(short *)CGCR3 = 0x0806;

    *(short *)CGCR1 = 0x82fa; 

    /* Wait for PLL lock */

    for(i=0;i<0x7fff;i++);

    /* Switch to PLL clk */ 

    *(short *)CCR2 = 0x1;

}

flash_routines.h

#ifndef FLASH_ROUTINES_H_

#define FLASH_ROUTINES_H_

#define ESCR     0x1c33

#define SDTIMR1  0x1020 

#define SDTIMR2  0x1021 

#define SDCR1    0x1008 

#define SDCR2    0x1009

#define SDSRETR  0x103C

#define SDRCR    0x100C

#define PRCR     0x1C05 

#define PCGCR1   0x1c02

#define PCGCR2   0x1c03

#define PSRCR    0x1c04 

#define CCR2     0x1c1f

#define CGCR1    0x1c20

#define CGCR2    0x1c21

#define CGCR3    0x1c22

#define CGCR4    0x1c23

#define CCSSR    0x1c24

#define IVPD     0x0049

void DoFlashInitialization(void);

void OnTargetConnect(void);

void OnRestart(void);

void OnReset(int);

void onFileReload(void);

void Peripheral_Reset(void);

void ProgramPLL_100MHz(void);

#endif /*FLASH_ROUTINES_H_*/