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Android Test and Driver

This page keeps hardware verification and driver-debugging information. Unrelated product lists are removed.

Android Test Application​

The Android test application can verify common hardware functions from a graphical interface. Swipe left or right, or use a mouse, to switch between test items.

LCD Test​

Tap the color area to change screen colors and check for missing colors or dead pixels.

Touchscreen Test​

Start the touch test and draw diagonal lines to verify the touch panel and touch controller.

LED Test​

Tap an LED icon. Red indicates the LED should be on; gray indicates off.

Buzzer Test​

Press and hold the start button to make the buzzer sound. Release it to stop.

Backlight Test​

Drag the slider to verify backlight brightness adjustment.

Key Test​

Press and release the board keys. The UI should show the corresponding press and release events.

ADC Test​

Monitor ADC voltage values and adjust the on-board potentiometer to verify voltage changes.

Audio and Camera Tests​

Use the audio test to verify speaker output. Connect a camera and use the camera test to verify preview.

Network, UART, TF Card, and USB Disk Tests​

Use the network test for wired/wireless access, short UART TXD/RXD for loopback test, and insert TF card or USB disk to verify external storage detection.

Kernel Driver Entry Points​

Common driver areas include LCD, touch panel, keys, Wi-Fi/Bluetooth, audio, camera, Ethernet, USB, and storage. The exact path depends on the SDK version.

Common proc Queries​

cat /proc/cpuinfo
cat /proc/meminfo
cat /proc/partitions
cat /proc/version
cat /proc/net/dev
dmesg