168 lines
3.9 KiB
Bash
168 lines
3.9 KiB
Bash
#!/bin/sh
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# Hiker Print - Reset Button Handler with LED feedback
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# 按住2秒：开始红蓝交替闪，松开红蓝长亮2秒，重启
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# 按住超过5秒：开始红蓝同时闪，松开红蓝长亮2秒，恢复出厂设置
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. /lib/functions.sh
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LED_R="/sys/class/leds/hiker:red:led_r/brightness"
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LED_R_TRIGGER="/sys/class/leds/hiker:red:led_r/trigger"
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LED_B="/sys/class/leds/hiker:blue:led_b/brightness"
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LED_B_TRIGGER="/sys/class/leds/hiker:blue:led_b/trigger"
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PIDFILE="/var/run/reset_button_led.pid"
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# Function to check if LED script is running
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stop_led_script() {
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if [ -f "$PIDFILE" ]; then
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local pid=$(cat "$PIDFILE")
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if [ -d "/proc/$pid" ]; then
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kill "$pid" 2>/dev/null
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fi
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rm -f "$PIDFILE"
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fi
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rm -f /tmp/stop_led_blink
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}
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# Function to turn off both LEDs
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turn_off_leds() {
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echo "none" > "$LED_R_TRIGGER" 2>/dev/null
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echo "none" > "$LED_B_TRIGGER" 2>/dev/null
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echo 0 > "$LED_R" 2>/dev/null
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echo 0 > "$LED_B" 2>/dev/null
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}
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# Function to turn on both LEDs
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turn_on_leds() {
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echo "none" > "$LED_R_TRIGGER" 2>/dev/null
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echo "none" > "$LED_B_TRIGGER" 2>/dev/null
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echo 1 > "$LED_R" 2>/dev/null
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echo 1 > "$LED_B" 2>/dev/null
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}
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# Function to alternate red and blue LEDs (for reboot: 2-5s)
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led_alternate_blink_loop() {
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local period=$1 # Blink period in seconds
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echo "none" > "$LED_R_TRIGGER" 2>/dev/null
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echo "none" > "$LED_B_TRIGGER" 2>/dev/null
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local start_time=$(date +%s)
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while [ ! -f /tmp/stop_led_blink ]; do
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local now=$(date +%s)
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local elapsed=$((now - start_time))
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# Only start blinking after 2 seconds
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if [ $elapsed -lt 2 ]; then
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sleep 1
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continue
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fi
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# Blue: on, Red: off
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echo 1 > "$LED_B" 2>/dev/null
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echo 0 > "$LED_R" 2>/dev/null
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sleep "$period"
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# Blue: off
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echo 0 > "$LED_B" 2>/dev/null
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# Red: on (instant switch)
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echo 1 > "$LED_R" 2>/dev/null
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sleep "$period"
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# Red: off
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echo 0 > "$LED_R" 2>/dev/null
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# Blue: on (instant switch, next iteration)
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done
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turn_off_leds
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rm -f /tmp/stop_led_blink
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}
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# Function to blink both LEDs together (for factory reset: 5s+)
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led_both_blink_loop() {
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local period=$1 # Blink period in seconds
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echo "none" > "$LED_R_TRIGGER" 2>/dev/null
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echo "none" > "$LED_B_TRIGGER" 2>/dev/null
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local start_time=$(date +%s)
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while [ ! -f /tmp/stop_led_blink ]; do
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local now=$(date +%s)
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local elapsed=$((now - start_time))
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# Only start blinking after 2 seconds
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if [ $elapsed -lt 2 ]; then
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sleep 1
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continue
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fi
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# Check if we've passed 5 seconds - switch from alternate to both blink
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if [ $elapsed -lt 5 ]; then
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# Still in reboot zone (2-5s): alternate
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echo 1 > "$LED_B" 2>/dev/null
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echo 0 > "$LED_R" 2>/dev/null
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sleep "$period"
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echo 0 > "$LED_B" 2>/dev/null
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echo 1 > "$LED_R" 2>/dev/null
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sleep "$period"
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echo 0 > "$LED_R" 2>/dev/null
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else
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# Factory reset zone (5s+): both blink together
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turn_on_leds
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sleep "$period"
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turn_off_leds
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sleep "$period"
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fi
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done
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turn_off_leds
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rm -f /tmp/stop_led_blink
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}
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case "${ACTION}" in
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pressed)
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# Button pressed - wait 2 seconds then start LED feedback loop
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stop_led_script
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# Start background LED blink process (alternates 2-5s, both blink 5s+)
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rm -f /tmp/stop_led_blink
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led_both_blink_loop 1 &
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echo $! > "$PIDFILE"
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;;
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released)
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# Button released - stop LED and execute action
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stop_led_script
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# Wait for LED to turn off (no sleep - busybox doesn't support decimals)
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logger "$BUTTON pressed for $SEEN seconds"
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if [ "$SEEN" -lt 2 ]
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then
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# <2秒: 无操作
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echo "No action (<2s)" > /dev/console
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turn_off_leds
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exit 0
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elif [ "$SEEN" -ge 2 ] && [ "$SEEN" -lt 5 ]
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then
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# 2-5秒: 红蓝长亮2秒，然后重启
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echo "REBOOT (${SEEN}s pressed)" > /dev/console
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turn_on_leds
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sleep 2
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sync
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reboot
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elif [ "$SEEN" -ge 5 ]
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then
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# >=5秒: 红蓝长亮2秒，然后恢复出厂设置
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echo "FACTORY RESET (${SEEN}s pressed)" > /dev/console
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turn_on_leds
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sleep 2
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jffs2reset -y && reboot &
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fi
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;;
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esac
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return 0
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