Energy Analyzer

lager energy NET_NAME read [OPTIONS]
lager energy NET_NAME stats [OPTIONS]

Energy 'POWER_METER' (10.0s):
  Energy:  12.500 mWh  (45.000 mJ)
  Charge:  3.472 mAh   (12.500 mC)

# Integrate over the default 10 seconds
lager energy POWER_METER read --box my-lager-box

# Integrate over 60 seconds
lager energy POWER_METER read --box my-lager-box --duration 60

# Use the default net
lager energy read

Stats 'POWER_METER' (1.0s):
  Current (A):  mean=0.015200  min=0.014900  max=0.015600  std=0.000120
  Voltage (V):  mean=3.301000  min=3.300500  max=3.301500  std=0.000200
  Power   (W):  mean=0.050175  min=0.049185  max=0.051516  std=0.000400

# Stats over the default 1 second
lager energy POWER_METER stats --box my-lager-box

# Stats over 5 seconds for better averaging
lager energy POWER_METER stats --box my-lager-box --duration 5

# Use the default net
lager energy stats

lager defaults add --energy-net POWER_METER

lager energy read
lager energy stats

#!/bin/bash
# Verify a device's energy consumption during a 10-second test
RESULT=$(lager energy POWER_METER read --box my-lager-box --duration 10)
echo "$RESULT"

# Extract mWh value for pass/fail
MWH=$(echo "$RESULT" | grep -oP '[\d.]+(?= mWh)')
if (( $(echo "$MWH > 50" | bc -l) )); then
    echo "FAIL: Energy consumption too high: ${MWH} mWh"
    exit 1
fi
echo "PASS: Energy within budget"

#!/bin/bash
# Check sleep current is below 100 uA
RESULT=$(lager energy POWER_METER stats --box my-lager-box --duration 5)
echo "$RESULT"

# Extract mean current in amps, convert to uA
CURRENT_A=$(echo "$RESULT" | grep "Current" | grep -oP 'mean=\K[\d.]+')
CURRENT_UA=$(echo "$CURRENT_A * 1000000" | bc -l)

if (( $(echo "$CURRENT_UA > 100" | bc -l) )); then
    echo "FAIL: Sleep current ${CURRENT_UA} uA exceeds 100 uA limit"
    exit 1
fi
echo "PASS: Sleep current ${CURRENT_UA} uA"