volatile uchar PrgOfRam[18]; #pragma CODE_SEG NON_BANKED
void Flash_Init(void)
{
//不启用分页机制
while(FSTAT_ACCERR == 1 || FSTAT_PVIOL == 1) ; //错误标志位访问
if((FCLKDIV & 0x80) == 0) //FDIVLD是否被写过
FCLKDIV |= 0x28; // 40分频
// while(FCLKDIV_FDIVLD == 0); // 等待时钟设置成功
FCNFG = 0x00; //禁止中断 选择block0
FSTAT |= 0x20; //对保护区域进行擦写
// PPAGE = 0x3E; //页号为3E
}
//=================================================
//#pragma CODE_SEG NON_BANKED
void Flash_Erase(uint addr)
{
uint *p;
p = (uint *)addr;
*p = 0xFFFF;
while(FSTAT_ACCERR == 1 || FSTAT_PVIOL == 1) ; //错误标志位访问
FCMD = 0x40 ;//页擦除
FSTAT |= 0x80;//启动命令执行
while(FSTAT_CCIF == 0) ;//等待完成
//asm("JSR PrgOfRam");
}
//===================================================
//#pragma CODE_SEG NON_BANKED
void Flash_Write(uint addr,uint *dat,uchar lenth)
{
uint i = 0;
uint *p;
p = (uint *)addr;
for(i=0;i<lenth;i++)
{
*p = *dat;
while(FSTAT_ACCERR == 1 || FSTAT_PVIOL == 1) ; //错误标志位访问
FCMD = 0x20;//写一个字命令
FSTAT |= 0x80;//启动命令执行
while(FSTAT_CCIF == 0) ;//等待完成
// asm("JSR PrgOfRam");
p++;dat++;
}
}
#pragma CODE_SEG DEFAULT
//=====================================================
void main(void)
{
// put your own code here
// EnableInterrupts;
const uchar P[18] = {0x18,0x0B,0x80,0x01,0x05,0xF6,0x01,0x05,
0x87,0x87,0xC4,0x40,0x8C,0x00,0x00,
0x27,0xF4,0x3D};
volatile uchar LED[5] ={0,1,2,3,4};
uchar i;
for(i=0;i<18;i++)
{
PrgOfRam = P;
}
Flash_Init();
Flash_Erase(0x4000);
Flash_Write(0x4000,(uint *)LED,5);
for(;;)
{}
// wait forever
//please make sure that you never leave this function
}
//====================================================== 这里是源程序，NON_BANKED和block0是在同一页中吗？4000地址后都是FF，数没写进去。是怎么回事？本人菜鸟，多多指教！多谢！！！ | 
