Get the currently set temperature unit.
Ret = SsiGetTemperatureUnit ( Id , ChannelNo , &TemperatureUnit)
Id 
 [ C, C++: short ] [ Python: ctypes.c_short ]
Specify the device ID retrieved from SsiInit.
ChannelNo 
 [ C, C++: short ] [ Python: ctypes.c_short ]
Specify the channel number.
TemperatureUnit 
 [ C, C++: short * ] [ Python: ctypes.POINTER(ctypes.c_short ) ]
Specify the address of the variable that stores the temperature unit.
Ret [ C, C++: long ] [ Python: ctypes.c_long ]
Definition  | 
		Value [Dec]  | 
		Description  | 
	
SSI_ERR_SUCCESS  | 
		0  | 
		Succeeded  | 
	
SSI_ERR_DLL_INVALID_ID  | 
		10001  | 
		Invalid device id.  | 
	
SSI_ERR_DLL_CALL_DRIVER  | 
		10002  | 
		Can not call driver (ioctl failed).  | 
	
SSI_ERR_DLL_BUFF_ADDRESS  | 
		10100  | 
		Invalid data buffer address.  | 
	
SSI_ERR_SYS_CH_NO  | 
		20100  | 
		Channel No. is outside the setting range.  | 
	
The others (See also: Details of Error Code)
Get the currently set temperature unit (Celsius, Fahrenheit).
Get the temperature unit set for Ch0.
C, C++  | 
		long 
		 Ret;  | 
	
Python  | 
		Ret = ctypes.c_long() Ret.value = cssi.SsiGetTemperatureUnit(Id, 
		 0 , ctypes.byref(TemperatureUnit))  |