Customization; Test Tools; Gpio - Advantech UBC-221 User Manual

3.1.3

Customization

3.1.3.1 Setting up SDK
1. Please follow the steps below to build a toolchain installer.
2. Perform the following command in the terminal console:
$ cd ${BSP_HOME}/${BDIR}/tmp/deploy/sdk
$ sudo ./clanton-tiny-uclibc-x86_64-i586-toolchain-${POKY}.sh
3. Enter directory or press Enter when the following question appears:
4. Just press Enter when the following question shows up:
5. When the following message shows up it means the SDK is ready.
3.1.3.2 Setting up a cross compiling environment
1. SDK has been set up. (ref. 2.2)
2. Perform the following command in the terminal console
$ source /opt/clanton-tiny/${POKY}/environment-setup-i586-poky-linux-uclibc
3.2

Test tools

All test tools must be verified on UBC-221, please prepare the required test fixtures
before verifying each specified I/O. If you have any problems getting the test fixture,
please contact your Advantech contact window for help.
3.2.1

GPIO

# echo 0 > /sys/class/gpio/export
# echo 1 > /sys/class/gpio/export
# echo 2 > /sys/class/gpio/export
# echo 3 > /sys/class/gpio/export
# echo "out" > /sys/class/gpio/gpio0/direction
# echo "out" > /sys/class/gpio/gpio1/direction
# echo "in" > /sys/class/gpio/gpio2/direction
# echo "in" > /sys/class/gpio/gpio3/direction
# grep "" /sys/class/gpio/gpio{0..3}/direction
19 UBC-221 User Manual