EEPROM连续写多个字节函数接口
void ee_24c256_writebytes(u16 write_addr, char* pwrite_buff, u16 writebytes)
{
u8 write_len,page_offset;
while(writebytes > 0)
{
page_offset = EE_PAGESIZE - (write_addr % EE_PAGESIZE); /*EE_PAGESIZE为页大小,如24c256为64*/
write_len = writebytes > page_offset ? page_offset : writebytes;
i2c_24c256_write(write_addr,pwrite_buff, write_len); /*写一页函数*/
writebytes = writebytes - write_len;
if(writebytes > 0)
{
pwrite_buff = pwrite_buff + write_len;
write_addr = write_addr + write_len;
i2c_24C256_waitstandby(0); /*页写判忙,*/
}
}
}
注:EEPROM的一次写操作不能跨页。