Android Test and Driver

Android Test Items

Test Item	Description
LCD	Check 7-inch MIPI panel, colors, dead pixels, and backlight
Touchscreen	Check capacitive touch coordinates and response
LED	Check programmable LEDs
Buzzer	Check buzzer output
Backlight	Check backlight brightness control
Keys	Check KEY1~KEY4, Power, Reset, Mode, etc.
Battery	Check battery or power status
ADC	Check ADC sampling
G-sensor	Check gravity sensor
Audio	Check headphone, speaker, and MIC
Camera	Check MIPI CSI or USB Camera
Wireless	Check Wi-Fi / Bluetooth
Network	Check 100M Ethernet
UART	Check UART
External storage	Check TF card
USB disk	Check USB storage

Android Kernel Drivers

The user manual lists:

• G-sensor driver.
• Capacitive touchscreen driver.
• LCD driver.
• Key driver.
• Wi-Fi / BT module driver.
• proc filesystem.

proc Queries

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

Android Development Projects

The manual lists these project examples:

• Modify init.rc.
• Modify boot animation.
• Modify U-Boot boot LOGO.
• Modify kernel LOGO.
• Configure MIPI panel.
• Power-off charging and low-voltage pre-charge.
• Android Surface rotation.