double SMCGetTemperature(const char *key)
{
SMCVal_t val;
kern_return_t result;
SMCOpen();
result = SMCReadKey(key, &val);
SMCClose();
if (result == kIOReturnSuccess) {
// read succeeded - check returned value
if (val.dataSize > 0) {
if (strcmp(val.dataType, DATATYPE_SP78) == 0) {
// convert fp78 value to temperature
int intValue = (val.bytes[0] * 256 + val.bytes[1]) >> 2;
return intValue / 64.0;
}
}
}
void IoAppleSensors_free(IoAppleSensors *self)
{
SMCClose();
LMUClose();
//free(IoObject_dataPointer(self));
}
