diff options
Diffstat (limited to 'package/base-files/files')
| -rwxr-xr-x | package/base-files/files/etc/init.d/gpio_switch | 42 | ||||
| -rwxr-xr-x | package/base-files/files/lib/functions/uci-defaults.sh | 2 |
2 files changed, 31 insertions, 13 deletions
diff --git a/package/base-files/files/etc/init.d/gpio_switch b/package/base-files/files/etc/init.d/gpio_switch index 6b2dcdce41..24d790b065 100755 --- a/package/base-files/files/etc/init.d/gpio_switch +++ b/package/base-files/files/etc/init.d/gpio_switch @@ -16,21 +16,39 @@ load_gpio_switch() config_get name "$1" name config_get value "$1" value 0 - local gpio_path="/sys/class/gpio/gpio${gpio_pin}" - # export GPIO pin for access - [ -d "$gpio_path" ] || { - echo "$gpio_pin" >/sys/class/gpio/export - # we need to wait a bit until the GPIO appears - [ -d "$gpio_path" ] || sleep 1 + [ -z "$gpio_pin" ] && { + echo >&2 "Skipping gpio_switch '$name' due to missing gpio_pin" + return 1 } - # direction attribute only exists if the kernel supports changing the - # direction of a GPIO - if [ -e "${gpio_path}/direction" ]; then - # set the pin to output with high or low pin value - { [ "$value" = "0" ] && echo "low" || echo "high"; } >"$gpio_path/direction" + local gpio_path + if [ -n "$(echo "$gpio_pin" | grep -E "^[0-9]+$")" ]; then + gpio_path="/sys/class/gpio/gpio${gpio_pin}" + + # export GPIO pin for access + [ -d "$gpio_path" ] || { + echo "$gpio_pin" >/sys/class/gpio/export + # we need to wait a bit until the GPIO appears + [ -d "$gpio_path" ] || sleep 1 + } + + # direction attribute only exists if the kernel supports changing the + # direction of a GPIO + if [ -e "${gpio_path}/direction" ]; then + # set the pin to output with high or low pin value + { [ "$value" = "0" ] && echo "low" || echo "high"; } \ + >"$gpio_path/direction" + else + { [ "$value" = "0" ] && echo "0" || echo "1"; } \ + >"$gpio_path/value" + fi else - { [ "$value" = "0" ] && echo "0" || echo "1"; } >"$gpio_path/value" + gpio_path="/sys/class/gpio/${gpio_pin}" + + [ -d "$gpio_path" ] && { + { [ "$value" = "0" ] && echo "0" || echo "1"; } \ + >"$gpio_path/value" + } fi } diff --git a/package/base-files/files/lib/functions/uci-defaults.sh b/package/base-files/files/lib/functions/uci-defaults.sh index e551e8fd57..12b900031d 100755 --- a/package/base-files/files/lib/functions/uci-defaults.sh +++ b/package/base-files/files/lib/functions/uci-defaults.sh @@ -573,7 +573,7 @@ ucidef_add_gpio_switch() { json_select_object gpioswitch json_select_object "$cfg" json_add_string name "$name" - json_add_int pin "$pin" + json_add_string pin "$pin" json_add_int default "$default" json_select .. json_select .. |