[vc_row][vc_column][vc_column_text]There  are 3 buttons below the WiFi module: BACK, HOME, MENU. The baseplate of 3C also has the 3 bottoms, the 3 bottoms firstly was used for the Android interface operation in the Android system and has no effect to Ubuntu. The new firmware burn into pcDuino3C plus the drivers for the 3 buttons( the pcDuino3 is in common use).[/vc_column_text][/vc_column][/vc_row][vc_row][vc_column width=”1/1″][vc_tour][vc_tab title=”Bottom Function” tab_id=”1403231916-1-55″][vc_column_text]

BACK —ESC

HOME—SPACE

MENU—ENTER

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Input the Ismod at the terminal, and check whether there loaded the keypad module.

$ lsmod

If the module haven’t been loaded, go to the path of the module to load the module. The module path as follows:

Input an the terminal

$ cd /lib/modules/3.4.79+/kernel/drivers/hardwarelib
$ sudo insmod keypad.ko

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Test BACK button:

Click the FILE option at the terminal with the mouse, the menu will show as follows:

Press the BACK key of the 3C, the drop down menu will disappear.

Test HOME button:

Input hellolinksprite at the terminal, put the cursor behind the hello.

Press hte HOME button for several time, the charators around the cursor will be separated

Test  MENU button：

Input the command “pwd” to check the current path, od not press ENTER

Then press the MENU button, print out the current path.

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