Embest SBC8140 User Manual download pdf (Page 80)

Page | 74

3. Configuring for VGA;

Execute the following instructions in u-boot mode to configure for VGA

display mode;

OMAP3 SBC8140 # setenv defaultdisplay lcd

OMAP3 SBC8140 # setenv dispmode VGA

OMAP3 SBC8140 # saveenv

4. Configuring for LVDS;

Execute the following instructions in u-boot mode to configure for LVDS

display mode;

OMAP3 SBC8140 # setenv defaultdisplay lcd

OMAP3 SBC8140 # setenv dispmode LVDS

OMAP3 SBC8140 # saveenv

3.8 Tests and Demonstrations

This section will carry out many tests on the SBC8140s devices and also

demonstrations of the Android and DVSDK systems.

Note:

 The following tests are all implemented by entering instructions in a

HyperTerminal window.

3.8.1 Testing LEDs

1. Execute the following instructions to test LED0;

root@SBC8140:# echo 1 > /sys/class/leds/led0/brightness

root@SBC8140:# echo 0 > /sys/class/leds/led0/brightness

2. Execute the following instructions to test LED1;

root@SBC8140:# echo 1 > /sys/class/leds/led1/brightness

root@SBC8140:# echo 0 > /sys/class/leds/led1/brightness

3. Execute the following instructions to test LED2;

root@SBC8140:# echo 1 > /sys/class/leds/led2/brightness

1 2 ... 75 76 77 78 79 80 81 82 83 84 85 ... 143 144

No comments

Embest SBC8140 User Manual Page 80