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Feature/smart nitro key #163

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9dee299
Fix: Target AT Translated keyboard for Nitro button and prevent GUI spam
VinciyS Feb 28, 2026
23181b4
feat: Add auto-discovery for Nitro button hardware code while setup
VinciyS Mar 9, 2026
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64 changes: 17 additions & 47 deletions scripts/MapNitroButton.sh
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Original file line number Diff line number Diff line change
@@ -1,58 +1,28 @@
#!/bin/bash

# Function to set up device permissions
setup_permissions() {
echo "Setting up permissions..."

# Add user to input group if not already
if ! groups | grep -q '\binput\b'; then
echo "Adding user $USER to 'input' group..."
usermod -a -G input $USER
echo "Note: You'll need to log out and back in for group changes to take effect."
fi

# Create udev rule if needed
UDEV_RULE="/etc/udev/rules.d/99-input.rules"
if [ ! -f "$UDEV_RULE" ] || ! grep -q 'MODE="0660"' "$UDEV_RULE"; then
echo "Creating udev rules file..."
echo 'KERNEL=="event*", SUBSYSTEM=="input", MODE="0660", GROUP="input"' > /tmp/input.rules
mv /tmp/input.rules "$UDEV_RULE"
chmod 644 "$UDEV_RULE"
udevadm control --reload-rules
udevadm trigger
echo "Permissions rules updated."
fi

echo "Permission setup complete."
}
# 1. Read conf file
if [ -f "/etc/damx/nitro.conf" ]; then
source /etc/damx/nitro.conf
else
# If can't read file, use default
NITRO_KEY=425
fi

# Find keyboard device
DEVICE=$(grep -A 5 -B 5 "keyboard\|Keyboard" /proc/bus/input/devices | grep -m 1 "event" | sed 's/.*event\([0-9]\+\).*/\/dev\/input\/event\1/')
# 2. Find device
DEVICE=$(grep -A 5 -B 5 "AT Translated Set 2 keyboard" /proc/bus/input/devices | grep -m 1 "event" | sed 's/.*event\([0-9]\+\).*/\/dev\/input\/event\1/')

if [ -z "$DEVICE" ]; then
echo "Error: Could not find keyboard device."
exit 1
fi

# Check if we're root (sudo)
if [ "$(id -u)" -eq 0 ]; then
# Running as root - perform setup then re-exec as normal user
setup_permissions
echo "Re-launching as normal user..."
exec sudo -u $SUDO_USER "$0"
exit 0
fi

# Check permissions
if [ ! -r "$DEVICE" ]; then
echo "Error: Cannot read $DEVICE (permission denied)."
echo "Please run this script with sudo to set up permissions:"
echo " sudo $0"
exit 1
fi
echo "Monitoring Nitro button (code $NITRO_KEY) on $DEVICE..." # require sudo

# Main functionality
echo "Monitoring keyboard events on $DEVICE"
evtest "$DEVICE" | grep --line-buffered "code 425.*value 1" | while read -r line; do
DAMX &
# 3. Start keylog
sudo evtest "$DEVICE" | grep --line-buffered "code $NITRO_KEY.*value 1" | while read -r line; do
if ! pgrep -x "DivAcerManagerMax" > /dev/null && ! pgrep -x "DAMX" > /dev/null; then
DAMX &
else
echo "Interface is already running!"
fi
done
36 changes: 36 additions & 0 deletions scripts/local-setup.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -300,6 +300,39 @@ EOL
return 0
}

configure_nitro_button() {
echo -e "${YELLOW}Configuring Nitro Button Hardware Code...${NC}"

if ! command -v evtest &> /dev/null; then
echo -e "${BLUE}Installing evtest for hardware detection...${NC}"
apt-get update && apt-get install -y evtest
fi

DEVICE=$(grep -A 5 -B 5 "AT Translated Set 2 keyboard" /proc/bus/input/devices | grep -m 1 "event" | sed 's/.*event\([0-9]\+\).*/\/dev\/input\/event\1/')

mkdir -p /etc/damx

if [ -z "$DEVICE" ]; then
echo -e "${RED}Error: Keyboard hardware not found! Using default Nitro code (425).${NC}"
echo "NITRO_KEY=425" > /etc/damx/nitro.conf
return 1
fi

echo -e "${GREEN}Keyboard detected at: $DEVICE${NC}"
echo -e "${YELLOW}>>> PLEASE PRESS YOUR NITRO (N) BUTTON NOW (Waiting 30 seconds)... <<<${NC}"

# NitroButton code
CAPTURED_CODE=$(timeout 30 evtest "$DEVICE" | grep -m 1 "type 1 (EV_KEY).*value 1" | sed -n 's/.*code \([0-9]*\).*/\1/p')

if [ -n "$CAPTURED_CODE" ]; then
echo -e "${GREEN}Success! Nitro button code captured: ${CAPTURED_CODE}${NC}"
echo "NITRO_KEY=$CAPTURED_CODE" > /etc/damx/nitro.conf
else
echo -e "${RED}Timeout or no key detected. Falling back to default code (425).${NC}"
echo "NITRO_KEY=425" > /etc/damx/nitro.conf
fi
}

perform_install() {
local skip_drivers=$1
local is_update=$2
Expand Down Expand Up @@ -333,6 +366,9 @@ perform_install() {
install_gui
GUI_RESULT=$?

#Setup NitroButton shortcut
configure_nitro_button

# Check if all installations were successful
if [ $DRIVER_RESULT -eq 0 ] && [ $DAEMON_RESULT -eq 0 ] && [ $GUI_RESULT -eq 0 ]; then
echo -e "${GREEN}DAMX Suite installation completed successfully!${NC}"
Expand Down