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#define FLASH(x) (*((volatile unsigned char *) 0x8000 + (x)))
/*----------------------------------------------------------
另类的"数组"访问，外扩的SST39VF800A从0x8000开始
void FlashObj::ChipErase(void)
{
FLASH(0x5555) = 0xaa;
FLASH(0x2AAA) = 0x55;
FLASH(0x5555) = 0x80;
FLASH(0x5555) = 0xaa;
FLASH(0x2AAA) = 0x55;
FLASH(0x5555) = 0x10;
Wait(0x5555);
}
void FlashObj::Wait(unsigned int address)
{
unsigned int temp, val;
do {
val = FLASH(address);
__nop();
temp = FLASH(address);
__nop();
}
while(((val ^ temp) & (1 << BIT6)) != 0);
}
----------------------------------------------------------*/
在此非常感谢simon21ic对宏bug的纠错!!!
系统分类:
DSP | 用户分类:
DSP5402 | 来源:
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