下面那个((address&0x7ff)/256)是什么意思?
void write(unsigned int address,unsigned char dd){
unsigned char ddd;
ddd=((address&0x7ff)/256)<<1;
s24();wd24(0xa0|ddd);scl=0;wd24(address);scl=0;wd24(dd);scl=0;p24();
time=0; //time为定时器时间参考，time增加1代表1ms,如果没有用定时器，取消该行
while (1) {
s24();
wd24(0xa0|ddd);
sda=1;
if (sda==0) break;
if (time>10) break; //此行防止由于eeprom器件损坏后的死循环
scl=0;
}
} |
楼主
标题置顶
标题高亮
