Cypress Semiconductor CY8C24894 Instrukcja Użytkownika Pobierz pdf (Strona 20)

20 CY3240 USB-I2C Bridge Guide, Doc. # 001-66660 Rev.*B

Kit Operation

Figure 3-7. Variable Setting Box

2. The demo.ini file initializes light and temperature variables. Load the demo.ini file by following

these steps:

a. Click the Load button, as shown in Figure 3-7

b. Navigate to <Install_Directory>:\Cypress\CY3240 USB-I2C Bridge Kit\<ver-

sion> \Firmware\Configuration files

c. Select demo.ini

d. Click Open

e. Click OK

3. The demo.iic file contains the iic commands that can be sent to the demo board. Load the

demo.iic file by following these steps:

a. Click on the Open Commands File button

b. Navigate to <Install_Directory>:\Cypress\CY3240 USB-I2C Bridge Kit\<ver-

sion> \Firmware\Configuration files

c. Select demo.iic

d. Click Open

4. The first two lines in the demo.iic file show how to control the LEDs on the board. If the two red

LEDs do not light up, click on the Toggle Power button. Position the cursor in the first line and

press [Enter] to send the command. Repeat for the second command line. Observe that, on

sending the first command, LED1 turns off. The second command reduces the intensity of LED2

by 50 percent. Experiment with the intensity settings.

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Cypress Semiconductor CY8C24894 Instrukcja Użytkownika Strona 20