static void ds1302_writebyte(unsigned int addr, unsigned int val)
{
ds1302_reset();
ds1302_start();
ds1302_sendbits(((addr & 0x3f) << 1) | RTC_CMD_WRITE);
ds1302_sendbits(val);
ds1302_stop();
}
static unsigned int ds1302_readbyte(unsigned int addr)
{
unsigned int val;
ds1302_reset();
ds1302_start();
ds1302_sendbits(((addr & 0x3f) << 1) | RTC_CMD_READ);
val = ds1302_recvbits();
ds1302_stop();
return val;
}
static int8 ds18b20_ioctl(uint8 id, uint8 cmd, uint16 args)
{
int16 *p_temp = (int16 *)args;
if (GET_CMD_DIR(cmd) == CMD_GET)
{
switch (cmd)
{
case DS18B20_GET:
ds1302_start();
OSWait(K_TMO, OS_TICKS_PER_SEC); // delay 1S
*p_temp = ds1302_read_temp();
break;
default:
break;
}
}
UNUSED(id);
return 0;
}