Your Name
70 lines
1.7 KiB
Bash
70 lines
1.7 KiB
Bash
#!/bin/bash
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# Configure GPIO as output and set its value
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AST2600_GPIO_BASE=(
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816
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780
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)
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function gpio_configure_output() {
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echo "$1" > /sys/class/gpio/export
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echo out > /sys/class/gpio/gpio"$1"/direction
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echo "$2" > /sys/class/gpio/gpio"$1"/value
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echo "$1" > /sys/class/gpio/unexport
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}
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function gpio_get_val() {
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echo "$1" > /sys/class/gpio/export
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cat /sys/class/gpio/gpio"$1"/value
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echo "$1" > /sys/class/gpio/unexport
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}
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# Configure GPIO as input
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function gpio_configure_input() {
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echo "$1" > /sys/class/gpio/export
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echo "in" > /sys/class/gpio/gpio"$1"/direction
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echo "$1" > /sys/class/gpio/unexport
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}
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function gpio_name_set()
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{
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str=$(gpiofind "$1")
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#Verify error code when run gpiofind
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if [ "$?" == '1' ]; then
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echo "Invalid gpio name $1"
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else
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gpioid=$(echo "$str"|cut -c 9)
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offset=$(echo "$str"|cut -d " " -f 2)
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gpioPin=$(("$offset" + ${AST2600_GPIO_BASE[$gpioid]}))
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gpio_configure_output "$gpioPin" "$2"
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fi
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}
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function gpio_name_get()
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{
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str=$(gpiofind "$1")
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#Verify error code when run gpiofind
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if [ "$?" == '1' ]; then
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echo "Invalid gpio name $1"
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else
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offset=$(echo "$str"|cut -d " " -f 2)
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gpioid=$(echo "$str"|cut -c 9)
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gpioPin=$(("$offset" + ${AST2600_GPIO_BASE[$gpioid]}))
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gpio_get_val "$gpioPin"
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fi
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}
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function gpio_name_input()
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{
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str=$(gpiofind "$1")
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#Verify error code when run gpiofind
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if [ "$?" == '1' ]; then
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echo "Invalid gpio name $1"
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else
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gpioid=$(echo "$str"|cut -c 9)
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offset=$(echo "$str"|cut -d " " -f 2)
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gpioPin=$(("$offset" + ${AST2600_GPIO_BASE[$gpioid]}))
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gpio_configure_input "$gpioPin"
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fi
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}
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