From b3ce00fb6b30f13adfd375c008a3e2ee2e160d03 Mon Sep 17 00:00:00 2001
From: WillB97 <will@rudi.org.uk>
Date: Sun, 7 Jul 2024 09:52:20 +0100
Subject: [PATCH 1/2] Setup service files for controlling boot progress LEDs
 from systemd

---
 parts/files/leds/boot_40.service |  8 ++++++++
 parts/files/leds/boot_60.service | 10 ++++++++++
 parts/files/leds/boot_80.service | 13 +++++++++++++
 parts/files/leds/set-led         |  9 +++++++++
 4 files changed, 40 insertions(+)
 create mode 100644 parts/files/leds/boot_40.service
 create mode 100644 parts/files/leds/boot_60.service
 create mode 100644 parts/files/leds/boot_80.service
 create mode 100644 parts/files/leds/set-led

diff --git a/parts/files/leds/boot_40.service b/parts/files/leds/boot_40.service
new file mode 100644
index 0000000..315dd71
--- /dev/null
+++ b/parts/files/leds/boot_40.service
@@ -0,0 +1,8 @@
+[Unit]
+Description=Boot Progress 40%
+[Service]
+Type=simple
+ExecStart=/usr/bin/set-led 5 1
+
+[Install]
+WantedBy=basic.target
diff --git a/parts/files/leds/boot_60.service b/parts/files/leds/boot_60.service
new file mode 100644
index 0000000..194870e
--- /dev/null
+++ b/parts/files/leds/boot_60.service
@@ -0,0 +1,10 @@
+[Unit]
+Description=Boot Progress 60%
+After=network.target
+
+[Service]
+Type=simple
+ExecStart=/usr/bin/set-led 12 1
+
+[Install]
+WantedBy=multi-user.target
diff --git a/parts/files/leds/boot_80.service b/parts/files/leds/boot_80.service
new file mode 100644
index 0000000..2ff604f
--- /dev/null
+++ b/parts/files/leds/boot_80.service
@@ -0,0 +1,13 @@
+[Unit]
+Description=Boot Progress 80%
+BindsTo=runusb.service
+After=runusb.service
+
+[Service]
+Type=forking
+ExecStart=/usr/bin/set-led 6 1
+ExecStop=/usr/bin/set-led 6 0
+RemainAfterExit=yes
+
+[Install]
+WantedBy=multi-user.target
diff --git a/parts/files/leds/set-led b/parts/files/leds/set-led
new file mode 100644
index 0000000..1666750
--- /dev/null
+++ b/parts/files/leds/set-led
@@ -0,0 +1,9 @@
+#!/bin/bash -ex
+
+led_num="$1"
+led_level="$2"
+
+echo "$led_num" > /sys/class/gpio/export
+echo out > /sys/class/gpio/gpio${led_num}/direction
+echo "$led_level" > /sys/class/gpio/gpio5/value
+echo "$led_num" > /sys/class/gpio/unexport

From 305935010d6e842666e9fe75419341a6abab35d8 Mon Sep 17 00:00:00 2001
From: WillB97 <will@rudi.org.uk>
Date: Sun, 7 Jul 2024 12:13:14 +0100
Subject: [PATCH 2/2] Install systemd controlled boot leds

---
 parts/robot.sh | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/parts/robot.sh b/parts/robot.sh
index 31f44f1..8545363 100755
--- a/parts/robot.sh
+++ b/parts/robot.sh
@@ -34,7 +34,7 @@ systemctl enable runusb.service
 group=plugdev
 
 # Remove a buggy udev package that breaks the USB tree if FTDI chips are plugged into too many USB hubs
-# See https://github.com/raspberrypi/linux/issues/3779#issuecomment-709481662 
+# See https://github.com/raspberrypi/linux/issues/3779#issuecomment-709481662
 # and https://groups.google.com/g/linux.debian.bugs.dist/c/5jI9dDZgfUU
 apt-get remove -y rpi.gpio-common
 
@@ -53,3 +53,11 @@ SUBSYSTEM=="tty", DRIVERS=="ftdi_sio", ATTRS{interface}=="MCV4B", GROUP="$group"
 # SR servo board v4
 SUBSYSTEM=="usb", ATTRS{idVendor}=="1bda", ATTRS{idProduct}=="0011", GROUP="$group", MODE="0666"
 EOF
+
+# Setup KCH leds triggered by systemd
+cp /tmp/packer-files/leds/set-led /usr/bin/
+chmod +x /usr/bin/set-led
+cp /tmp/packer-files/leds/*.service /lib/systemd/system/
+systemctl enable boot_40.service
+systemctl enable boot_60.service
+systemctl enable boot_80.service