IAR STM8 1.2 直接使用__eeprom关键字访问EEPROM

只看该作者 · 2011-3-21 22:41

IAR STM8 1.2 直接使用__eeprom关键字访问EEPROM
STM8L15X:
#include "stm8l15x_conf.h"
void __eeprom_write_8(unsigned short addr_eep,unsigned char data)
{
  FLASH_WaitForLastOperation(FLASH_MemType_Data);
  FLASH_Unlock(FLASH_MemType_Data);

  FLASH_ProgramByte(addr_eep, data);

  FLASH_WaitForLastOperation(FLASH_MemType_Data);
  FLASH_Lock(FLASH_MemType_Data);
}
void __eeprom_write_16(unsigned short addr_eep,unsigned short data)
{
  FLASH_WaitForLastOperation(FLASH_MemType_Data);
  FLASH_Unlock(FLASH_MemType_Data);

  FLASH_ProgramByte(addr_eep, data/256);
  FLASH_WaitForLastOperation(FLASH_MemType_Data);

  FLASH_ProgramByte(addr_eep+1, data%256);
  FLASH_WaitForLastOperation(FLASH_MemType_Data);

  FLASH_Lock(FLASH_MemType_Data);
}
void __eeprom_write_32(unsigned short addr_eep,unsigned long data)
{
  FLASH_WaitForLastOperation(FLASH_MemType_Data);
  FLASH_Unlock(FLASH_MemType_Data);

  FLASH_ProgramByte(addr_eep, (unsigned char)(data>>24));
  FLASH_WaitForLastOperation(FLASH_MemType_Data);

  FLASH_ProgramByte(addr_eep+1, (unsigned char)(data>>16));
  FLASH_WaitForLastOperation(FLASH_MemType_Data);

  FLASH_ProgramByte(addr_eep+2, (unsigned char)(data>>8));
  FLASH_WaitForLastOperation(FLASH_MemType_Data);

  FLASH_ProgramByte(addr_eep+3, (unsigned char)(data>>0));
  FLASH_WaitForLastOperation(FLASH_MemType_Data);

  FLASH_Lock(FLASH_MemType_Data);
}

void __eeprom_write_many(unsigned short addr_eep,unsigned short size,unsigned short dummy,unsigned short addr_ram)
{

  FLASH_WaitForLastOperation(FLASH_MemType_Data);
  FLASH_Unlock(FLASH_MemType_Data);

  for(unsigned short i=0;i<size;i++)
  {
   FLASH_ProgramByte(addr_eep+i, *((unsigned char *)(addr_ram)+i));
   FLASH_WaitForLastOperation(FLASH_MemType_Data);
  }


  FLASH_Lock(FLASH_MemType_Data);

}

STM8S:
#include "stm8s_conf.h"
void __eeprom_write_8(unsigned short addr_eep,unsigned char data)
{
  FLASH_WaitForLastOperation(FLASH_MEMTYPE_DATA);
  FLASH_Unlock(FLASH_MEMTYPE_DATA);

  FLASH_ProgramByte(addr_eep, data);

  FLASH_WaitForLastOperation(FLASH_MEMTYPE_DATA);
  FLASH_Lock(FLASH_MEMTYPE_DATA);
}
void __eeprom_write_16(unsigned short addr_eep,unsigned short data)
{
  FLASH_WaitForLastOperation(FLASH_MEMTYPE_DATA);
  FLASH_Unlock(FLASH_MEMTYPE_DATA);

  FLASH_ProgramByte(addr_eep, data/256);
  FLASH_WaitForLastOperation(FLASH_MEMTYPE_DATA);

  FLASH_ProgramByte(addr_eep+1, data%256);
  FLASH_WaitForLastOperation(FLASH_MEMTYPE_DATA);

  FLASH_Lock(FLASH_MEMTYPE_DATA);
}
void __eeprom_write_32(unsigned short addr_eep,unsigned long data)
{
  FLASH_WaitForLastOperation(FLASH_MEMTYPE_DATA);
  FLASH_Unlock(FLASH_MEMTYPE_DATA);

  FLASH_ProgramByte(addr_eep, (unsigned char)(data>>24));
  FLASH_WaitForLastOperation(FLASH_MEMTYPE_DATA);

  FLASH_ProgramByte(addr_eep+1, (unsigned char)(data>>16));
  FLASH_WaitForLastOperation(FLASH_MEMTYPE_DATA);

  FLASH_ProgramByte(addr_eep+2, (unsigned char)(data>>8));
  FLASH_WaitForLastOperation(FLASH_MEMTYPE_DATA);

  FLASH_ProgramByte(addr_eep+3, (unsigned char)(data>>0));
  FLASH_WaitForLastOperation(FLASH_MEMTYPE_DATA);

  FLASH_Lock(FLASH_MEMTYPE_DATA);
}

void __eeprom_write_many(unsigned short addr_eep,unsigned short size,unsigned short dummy,unsigned short addr_ram)
{

  FLASH_WaitForLastOperation(FLASH_MEMTYPE_DATA);
  FLASH_Unlock(FLASH_MEMTYPE_DATA);

  for(unsigned short i=0;i<size;i++)
  {
   FLASH_ProgramByte(addr_eep+i, *((unsigned char *)(addr_ram)+i));
   FLASH_WaitForLastOperation(FLASH_MEMTYPE_DATA);
  }

  FLASH_Lock(FLASH_MEMTYPE_DATA);
}

主程序测试：
volatile __eeprom __no_init char  eep_u8;
volatile __eeprom __no_init short eep_u16;
volatile __eeprom __no_init long  eep_u32;
void main( void )
{
  eep_u8=123;
  eep_u16=12345;
  eep_u32=123456789;

  while(1);
}