N76E003实现**功能

只看该作者 · 2018-5-23 20:35

本帖最后由飘雪殇于 2018-6-4 19:55 编辑

#define    DATA_SIZE          128
#define    PAGE_ERASE_AP    0x22
#define    BYTE_READ_AP       0x00
#define    BYTE_PROGRAM_AP    0x21
#define    PAGE_SIZE          128

void Trigger_IAP(void)
{
set_IAPGO; //trigger IAP
if((CHPCON&SET_BIT6)==SET_BIT6)          // if fail flag is set, toggle error LED and IAP stop
{
clr_IAPFF;

}
}

void Erase_APROM(u16 u16_addr)
{
UINT16 u16Count;

set_IAPEN; // Enable IAP function
IAPFD = 0xFF; // IMPORTANT !! To erase function must setting IAPFD = 0xFF
IAPCN = PAGE_ERASE_AP;
set_APUEN; //  APROM modify Enable

for(u16Count=0x0000;u16Count<DATA_SIZE/PAGE_SIZE;u16Count++) //
{
      IAPAL = LOBYTE(u16Count*PAGE_SIZE + u16_addr);
      IAPAH = HIBYTE(u16Count*PAGE_SIZE + u16_addr);
      Trigger_IAP();
}
clr_APUEN;
clr_IAPEN;
}

void write_DATAFLASH_BYTE(u16 START_ADDR,u8 u8_Data)
{
set_IAPEN;
set_APUEN;
IAPAL = LOBYTE(START_ADDR);
IAPAH = HIBYTE(START_ADDR);
IAPCN = BYTE_PROGRAM_AP;
IAPFD = u8_Data;
Trigger_IAP();
clr_APUEN;
clr_IAPEN;
}

//-------------------------------------------------------------------------

UINT8 read_APROM_BYTE(UINT16 Data_Addr)
{
UINT8 rdata;

  set_IAPEN;
  IAPAL = Data_Addr;
  IAPAH = Data_Addr>>8;
  IAPCN = 0x00;
  rdata = 0x00;

set_IAPGO;
  rdata = IAPFD;

  clr_IAPEN;

return rdata;
}