
Cypress CY3640 USB Starter Kit
User’s Guide
Cypress Semiconductor Ver 0.993
Page 9
Figure C3
Testing to see if a Cypress USB Thermometer device is present
If your Cypress USB Thermometer device is plugged in to the USB and you cannot get
temperature measurements, you may try to connect to it by clicking the “Check For Device”
button on the USB Options screen (See
Figure C3
). This screen is available by clicking the “USB
Options” button on the Options screen.
The text above the button will indicate whether the Thermometer application is connected to the
Cypress USB Thermometer device through the device driver. If it is, the “Check For Device”
button will be disabled.
Changing the brightness of the Enumerated LED on the Cypress USB Thermometer device
The brightness of the Enumeration LED on the Cypress USB Thermometer PC board may be set
to one of sixteen levels.
The user can set the brightness level desired on the “USB Options” screen by changing the value
of the “LED Brightness” box (See
Figure C3
). This screen is available by clicking the “USB
Options” button on the Options screen.
The values may be set from zero to fifteen, with zero being the lowest setting.
Saving the current configuration of the Thermometer application
The user can choose to automatically save the current configuration of the Thermometer
application when they exit the program by checking the “Remember Settings” box. The
parameters saved include:
•
Location on the desktop where the application screen will reside
•
User Name text
•
Centigrade or Fahrenheit mode
•
Temperature history or conventional thermometer display selection
•
Maximum and Minimum displayed temperature
•
Temperature sample rate
•
Simulate temperature selection status