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set gpio direction

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Simon Wörner
2017-03-30 17:09:04 +02:00
parent 69fc6e0797
commit d7c15c5c77
1 changed files with 7 additions and 0 deletions
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7
V1/led.sh
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@@ -14,6 +14,12 @@ function unexport_port() {
echo "${port}" > /sys/class/gpio/unexport echo "${port}" > /sys/class/gpio/unexport
} }
function set_direction() {
port="${1}"
value="${2}"
echo "${value}" > "/sys/class/gpio/gpio${port}/direction"
}
function set_value() { function set_value() {
port="${1}" port="${1}"
value="${2}" value="${2}"
@@ -34,6 +40,7 @@ trap 'unexport_port "${GPIO_PORT}"' EXIT
# init GPIO port # init GPIO port
export_port "${GPIO_PORT}" export_port "${GPIO_PORT}"
set_direction "${GPIO_PORT}" "out"
# loop led on/off # loop led on/off
while true; do while true; do