static int16 ds1302_read_temp(void)
{
uint8 temp_data[2]; // ¶Á³öζÈÔÝ·Å
int16 temp;
ds1302_reset();
ds1302_write_byte(0xCC); // Skip ROM cmd
ds1302_write_byte(0xBE); // read
temp_data[0] = ds1302_read_byte(); // low 8 bits
temp_data[1] = ds1302_read_byte(); // high 8 bits
temp = temp_data[1];
temp <<= 8;
temp |= temp_data[0];
temp >>= 4;
return temp;
}
void ds1302_write_time(void)
{
ds1302_write_byte(ds1302_control_add,0x00); //关闭写保护
ds1302_write_byte(ds1302_sec_add,0x80); //暂停
//ds1302_write_byte(ds1302_charger_add,0xa9); //涓流充电
ds1302_write_byte(ds1302_year_add,time_buf[1]); //年
ds1302_write_byte(ds1302_month_add,time_buf[2]); //月
ds1302_write_byte(ds1302_date_add,time_buf[3]); //日
ds1302_write_byte(ds1302_day_add,time_buf[7]); //周
ds1302_write_byte(ds1302_hr_add,time_buf[4]); //时
ds1302_write_byte(ds1302_min_add,time_buf[5]); //分
ds1302_write_byte(ds1302_sec_add,time_buf[6]); //秒
ds1302_write_byte(ds1302_day_add,time_buf[7]); //周
ds1302_write_byte(ds1302_control_add,0x80); //打开写保护
}
static void ds1302_start(void)
{
ds1302_reset();
ds1302_write_byte(0xCC); // Skip ROM cmd
ds1302_write_byte(0x44); // convert cmd
}
