#include "ISP_DataFlash.h"
#include "N79E81x.h"
//-----------------------------------------------------------------------------------------------------------
void Enable_ISP(void)
{
/* Enable ISP */
ISPCN=0x30;
EA=0;
TA = 0xAA;
TA = 0x55;
CHPCON |= 0x01;
EA=1;
Trigger_ISP();
}
//-----------------------------------------------------------------------------------------------------------
void Disable_ISP(void)
{
/* Disable ISP */
ISPCN=0x30;
Trigger_ISP();
EA=0;
TA = 0xAA;
TA = 0x55;
CHPCON &= 0xFE;
EA=1;
}
//-----------------------------------------------------------------------------------------------------------
void Trigger_ISP(void)
{
EA=0;
TA = 0xAA;
TA = 0x55;
ISPTRG |= 0x01;
EA=1;
}
void Flash_Page_Erase(unsigned int address)
{
Enable_ISP();
ISPCN=0x22;
ISPAH=address/256;
ISPAL=address%256;
Trigger_ISP();
Disable_ISP();
}
void Flash_Write_Data(unsigned int address,unsigned char dat)
{
Enable_ISP();
ISPCN=0x21;
ISPAH=address/256;
ISPAL=address%256;
ISPFD=dat;
Trigger_ISP();
Disable_ISP();
}
unsigned char Flash_Read_Data(unsigned int address)
{
unsigned char dat;
Enable_ISP();
ISPCN=0x00;
ISPAH=address/256;
ISPAL=address%256;
Trigger_ISP();
dat=ISPFD;
Disable_ISP();
return dat;
}
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