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Add support for KCH boot progress leds #21

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merged 2 commits into from
Jul 9, 2024
Merged

Add support for KCH boot progress leds #21

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b3ce00f
Setup service files for controlling boot progress LEDs from systemd
WillB97 Jul 7, 2024
3059350
Install systemd controlled boot leds
WillB97 Jul 7, 2024
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8 changes: 8 additions & 0 deletions parts/files/leds/boot_40.service
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Original file line number Diff line number Diff line change
@@ -0,0 +1,8 @@
[Unit]
Description=Boot Progress 40%
[Service]
Type=simple
ExecStart=/usr/bin/set-led 5 1

[Install]
WantedBy=basic.target
10 changes: 10 additions & 0 deletions parts/files/leds/boot_60.service
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Original file line number Diff line number Diff line change
@@ -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
13 changes: 13 additions & 0 deletions parts/files/leds/boot_80.service
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Original file line number Diff line number Diff line change
@@ -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
9 changes: 9 additions & 0 deletions parts/files/leds/set-led
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Original file line number Diff line number Diff line change
@@ -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
10 changes: 9 additions & 1 deletion parts/robot.sh
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Expand Up @@ -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

Expand All @@ -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
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