LTSketchbook of LTC2986-1

 According to the c code of LTSketchbook, we can communicate with the linduino and LTC2986-1 via com port of Arduino IDE. And I can get all of the temperature data.   

But when I load the specified program into linduino, I can not get the temperature information on the com port. I think the function " measure_channel " in the loop of arduino IDE has some problems. So I  replace the parameter "CHIP_SELECT" with "1" in function " measure_channel ", then the loop works, but I can not get the temperature. Some pictures are attached below. I wonder how to solve this problem. I just want to print the temperature on the com port.