GPI

lager gpi [NETNAME] [OPTIONS]

# Read input state
lager gpi BUTTON1 --box my-lager-box

# Using default net
lager gpi

# List available GPIO nets (omit net name)
lager gpi --box my-lager-box

# Wait for pin to go high
lager gpi BUTTON1 --wait-for high --box my-lager-box

# Wait for pin to go low with 10-second timeout
lager gpi INT_PIN --wait-for low --timeout 10

# Wait for rising edge (pin goes to 1)
lager gpi READY --wait-for 1 --timeout 30

# Custom scan rate (default varies by driver)
lager gpi TRIGGER --wait-for high --scan-rate 10000 --timeout 5

# Custom scans per read batch
lager gpi TRIGGER --wait-for high --scan-rate 5000 --scans-per-read 500

# For non-streaming drivers, adjust poll interval
lager gpi BUTTON --wait-for low --poll-interval 0.05 --timeout 10

$ lager gpi BUTTON1
GPIO 'BUTTON1': HIGH (1)

$ lager gpi INT_PIN --wait-for low --timeout 10
GPIO 'INT_PIN' reached level low in 2.3400s

# Check if button is pressed
STATE=$(lager gpi BUTTON1 --box my-lager-box --json | jq .value)
if [ "$STATE" -eq "1" ]; then
    echo "Button pressed"
fi

# Read multiple inputs
lager gpi BUTTON1 --box my-lager-box
lager gpi SENSOR_INT --box my-lager-box
lager gpi FAULT_PIN --box my-lager-box

# Wait for device ready signal
lager gpi READY_PIN --wait-for high --timeout 30 --box my-lager-box

# Wait for interrupt (active-low)
lager gpi INT_N --wait-for low --timeout 5 --box my-lager-box

# Scripted: wait for button press, then proceed
echo "Press the button..."
lager gpi BUTTON --wait-for high --timeout 60 --box my-lager-box && echo "Button pressed!"