APF28Dev

Description

This is the Armadeus System's standard development board/baseboard for the APF28 module.

Resources

• Datasheet and schema
• Product page on Armadeus Systems website

Feature list

Audio audio: audio interface Video Out LCD BackLight FrameBuffer

User Input touchscreen Wired communication UART SPI I2C USB Host CAN bus Storage MultiMediaCard

Realtime RTC Other PWM: GPIO Driver JTAG Battery / Supply handling

Temporary fixes

Backlight

• Force backlight to ON state:

echo 124 > /sys/class/gpio/export
echo out > /sys/class/gpio/gpio124/direction
echo 1 > /sys/class/gpio/gpio124/value

Selecting LCD

Two LCD are available for the apf28Dev kit. By default, TM035KBH02 is selected in Linux. To use the LW700, under U-Boot do :

BIOS> setenv baudrate ${baudrate} lcd_panel=LW700
## Switch baudrate to 115200 bps andpress ENTER ...
BIOS> saveenv