IBASE IB113 - Manual (Page 56)

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IB113
5.2. How to use GPIO in Linux
5.2.1. GPIO Mapping Table
GPIO
Logical Number Physical Number
0 40
1 41
2 42
3 43
4 44
5 45
6 46
7 47
8 201
9 202
5.2.2. GPIO Sample Code
# GPIO example 1: Output (take GPIO 40 as example)
echo 32 > /sys/class/gpio/export
echo out > /sys/class/gpio/gpio40/direction
echo 0 > /sys/class/gpio/gpio40/value
echo 1 > /sys/class/gpio/gpio40/value
# GPIO example 2: Input (take GPIO 40 as example)
echo 32 > /sys/class/gpio/export
echo in > /sys/class/gpio/gpio40/direction
cat /sys/class/gpio/gpio40/value