Get Data of LIne Tracking Sensor
Function:

Description: Get data of lIne tracking sensor
Parameter: port of lIne tracking sensor
- IR1
- IR2
- IR3
- IR4
- IR5
- IR6
- Return:
- true:The white line has been detected.
- false: The black line has been detected.
Function:
Description: Get data of lIne tracking sensor
Parameter: port of lIne tracking sensor