fix(secubox-core): BusyBox-compatible LED pulse (no fractional sleep)
BusyBox sleep doesn't support fractional seconds (0.33s fails). Changed to rapid triple-pulse burst then 3s rest: - Beat1 (LED1) → Beat2 (LED2) → Beat3 (LED3) in quick succession - Shell overhead (~50ms) provides inter-beat timing - 3 second sleep between cycles Pattern visible on MochaBin RGB LEDs. Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
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@ -1097,7 +1097,7 @@ led_event_pulse() {
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# Triple-pulse heartbeat with staggered cascade across LEDs
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# Creates organic "bump-bump-bump (pause)" pattern
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# Each LED pulses sequentially with offset timing (décalé)
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LED_PULSE_PHASE=0 # Tracks which LED is in primary pulse
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# BusyBox compatible: uses 1s sleep with rapid triple-pulse burst
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led_triple_pulse() {
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local led_num="$1"
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@ -1117,7 +1117,7 @@ led_triple_pulse() {
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# led1: Global health status (primary pulse)
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# led2: Security threat level (offset pulse)
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# led3: Global capacity meter (trailing pulse)
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# Pattern: bump1-bump2-bump3 (pause) with staggered timing
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# Pattern: rapid triple-pulse then 3s rest (BusyBox compatible)
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led_heartbeat_loop() {
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local status_file="/tmp/secubox/led-status"
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echo "healthy" > "$status_file"
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@ -1127,106 +1127,77 @@ led_heartbeat_loop() {
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local r2=0 g2=255 b2=0 # Threat: green
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local r3=0 g3=255 b3=0 # Capacity: green
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# Pulse timing (ticks at 0.33s each = tiers de second)
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local beat_gap=1 # Gap between beats in triple
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local cycle_pause=6 # Pause after triple (longer rest)
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local tick=0 # Current tick in cycle
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while true; do
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local status=$(cat "$status_file" 2>/dev/null || echo "healthy")
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# Update base colors from cache (every cycle start)
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if [ "$tick" -eq 0 ]; then
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# LED1: Health color
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local health=$(get_health_score)
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if [ "$health" -ge 80 ]; then
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r1=0; g1=255; b1=50
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elif [ "$health" -ge 50 ]; then
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r1=255; g1=200; b1=0
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else
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r1=255; g1=30; b1=0
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fi
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# Update base colors from cache
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# LED1: Health color
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local health=$(get_health_score)
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if [ "$health" -ge 80 ]; then
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r1=0; g1=255; b1=50
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elif [ "$health" -ge 50 ]; then
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r1=255; g1=200; b1=0
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else
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r1=255; g1=30; b1=0
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fi
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# LED2: Threat color
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local threat=$(get_threat_level)
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if [ "$threat" -le 10 ]; then
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r2=0; g2=255; b2=0
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elif [ "$threat" -le 40 ]; then
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r2=200; g2=255; b2=0
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elif [ "$threat" -le 70 ]; then
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r2=255; g2=150; b2=0
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else
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r2=255; g2=0; b2=0
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fi
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# LED2: Threat color
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local threat=$(get_threat_level)
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if [ "$threat" -le 10 ]; then
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r2=0; g2=255; b2=0
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elif [ "$threat" -le 40 ]; then
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r2=200; g2=255; b2=0
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elif [ "$threat" -le 70 ]; then
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r2=255; g2=150; b2=0
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else
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r2=255; g2=0; b2=0
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fi
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# LED3: Capacity color (from cache)
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local cap=$(get_capacity)
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if [ "$cap" -le 30 ]; then
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r3=0; g3=255; b3=100
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elif [ "$cap" -le 60 ]; then
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r3=100; g3=255; b3=0
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elif [ "$cap" -le 80 ]; then
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r3=255; g3=200; b3=0
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else
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r3=255; g3=80; b3=0
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fi
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# LED3: Capacity color (from cache)
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local cap=$(get_capacity)
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if [ "$cap" -le 30 ]; then
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r3=0; g3=255; b3=100
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elif [ "$cap" -le 60 ]; then
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r3=100; g3=255; b3=0
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elif [ "$cap" -le 80 ]; then
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r3=255; g3=200; b3=0
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else
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r3=255; g3=80; b3=0
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fi
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# Check for event pulse (overrides normal pattern)
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if led_event_pulse; then
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sleep 0.3
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tick=0
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sleep 1
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continue
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fi
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# Triple-pulse cascade pattern with décalé (staggered) timing
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# Cycle: 0=beat1, 1=gap, 2=beat2, 3=gap, 4=beat3, 5-12=rest
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local total_cycle=$((3 + 2 * beat_gap + cycle_pause))
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local phase=$((tick % total_cycle))
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# === Triple-pulse burst (rapid sequential) ===
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# Beat 1: LED1 bright
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led_triple_pulse 1 "$r1" "$g1" "$b1" 100
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led_triple_pulse 2 "$r2" "$g2" "$b2" 30
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led_triple_pulse 3 "$r3" "$g3" "$b3" 30
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# Brief pause via shell overhead (~50ms)
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:; :; :
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# Calculate intensities for each LED based on phase
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# LED1 leads, LED2 offset by 1 beat, LED3 offset by 2 beats
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local int1=30 int2=30 int3=30 # Base dim level
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# Beat 2: LED2 bright (décalé)
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led_triple_pulse 1 "$r1" "$g1" "$b1" 40
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led_triple_pulse 2 "$r2" "$g2" "$b2" 100
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led_triple_pulse 3 "$r3" "$g3" "$b3" 50
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:; :; :
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case "$phase" in
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0) # First beat - LED1 bright, others dim
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int1=100
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;;
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1) # Gap - LED1 fading, LED2 rising
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int1=60
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int2=80
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;;
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2) # Second beat - LED2 bright, LED1 dim, LED3 rising
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int1=40
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int2=100
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int3=60
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;;
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3) # Gap - LED2 fading, LED3 rising
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int2=60
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int3=80
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;;
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4) # Third beat - LED3 bright, others dim
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int3=100
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;;
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5) # Post-triple fade
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int1=20; int2=20; int3=50
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;;
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*) # Rest period - all dim with subtle breathing
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local breath=$((30 + (phase % 3) * 5))
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int1=$breath; int2=$breath; int3=$breath
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;;
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esac
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# Beat 3: LED3 bright (décalé)
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led_triple_pulse 1 "$r1" "$g1" "$b1" 30
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led_triple_pulse 2 "$r2" "$g2" "$b2" 50
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led_triple_pulse 3 "$r3" "$g3" "$b3" 100
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:; :; :
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# Apply intensities
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led_triple_pulse 1 "$r1" "$g1" "$b1" "$int1"
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led_triple_pulse 2 "$r2" "$g2" "$b2" "$int2"
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led_triple_pulse 3 "$r3" "$g3" "$b3" "$int3"
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# Fade to dim
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led_triple_pulse 1 "$r1" "$g1" "$b1" 25
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led_triple_pulse 2 "$r2" "$g2" "$b2" 25
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led_triple_pulse 3 "$r3" "$g3" "$b3" 35
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tick=$((tick + 1))
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[ "$tick" -ge "$total_cycle" ] && tick=0
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# Timing: 0.33s per tick (tiers de second)
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sleep 0.33
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# Rest period: 3 seconds
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sleep 3
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done
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}
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