Eurotech ReliaGATE 10-10-00, Руководство пользователя

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ReliaGATE 10-10 User Manual LED indicators
25
REGATE-10-10_UsrMan_EN_1.5
LED indicators
There are 3 user LED indicators on the ReliaGATE 10-10, accessible via an I2C GPIO expander IC at address
0x41.
Example BASH script
I2C_LEDS()
{
printf "I2C LEDS TEST "
echo "Setting up the I2C GPIO expander for output"
i2c-regs -d /dev/i2c-2 0x41 3 0
echo "Observe the LEDS connected to D0 - D2"
echo "All OFF"
i2c-regs -d /dev/i2c-2 0x41 1 0
sleep 1
echo "All ON"
i2c-regs -d /dev/i2c-2 0x41 1 7
sleep 1
echo "Walking one"
for loop in {1..3}
do
echo "loop $loop"
for pattern in 0 1 2 4
do
i2c-regs -d /dev/i2c-2 0x41 1 $pattern
sleep 1
done
done
sleep 1
echo "All OFF"
i2c-regs -d /dev/i2c-2 0x41 1 0
sleep 1
}