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XFLASH DRIVER

1.3.3 Firmware template

#include "io72264.h"/* ST72264 memory and register mapping */

#include "Xflash.h"

/* XFlash driver software

*/

void Loop(void);

/*************************Main loop ****************************************/

void main(void)

{

/************************ Initialization **********************************/

ST7_Init();

//General initialization

while(1) Loop();

}

/*****************UserWhileWriteBlock*************************************/

void UserWhileWriteBlock(void)

{

WDGCR=0x08;

//Refresh WATCHDOG Timer

}

/***************Programming routine within External ISR*********************/

@interrupt void On_DEMO(void)

{

unsigned char tmp;

unsigned char RamBuffer [64]@0xA6; /* New code and RASS keys buffer */

SPI_Init();

//initialize SPI communication

SPI_Rx(RamBuffer,2,100,(char)0);

//Receive RASS keys from EEPROM

RASS_Disable(RamBuffer[0],RamBuffer[1]); //Unlock Flash

for (tmp=0;tmp<2;tmp++)

{

SPI_Rx(RamBuffer,64,64*tmp,(char)0);

XFlashWriteBlock(RamBuffer,(unsigned int)&Loop+64*tmp,64);

}

SPI_Disable();

WDGCR=0xC0; //Resets the MCU which also relocks the XFLASH;

}

/************************Sector 1 software*********************************/

#pragma section (Loop)

void Loop(void)

{

}