SMT8 EEPROM读写程序 写没问题好象读有问题
连续读EE时,例如data_1=Read_ee(1);
data_2=Read_ee(2);
data_3=Read_ee(3);
data_4=Read_ee(4);
data_5=Read_ee(5);
data_6=Read_ee(6);
data_1=Read_ee(1); 的值读不出来,后面的都读的对的,写函数没有问题
unsigned char Read_ee(unsigned char add)
{
static unsigned char *p;
p=(unsigned char *)(add+0x4000);
return *p;
}
void Write_ee(unsigned char add,unsigned char data)
{
static unsigned char *p;
p=(unsigned char *)(add+0x4000);
do{FLASH_DUKR=0xae;FLASH_DUKR=0x56;}while(FLASH_IAPSR_DUL==0);
*p=data;while(FLASH_IAPSR_HVOFF==0);
}
static干掉,试试。这货害人不浅。
并且解锁动作做在读前面,试试。。
解锁动作只要做一次,解完就别锁了。试试。
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