#X728 RTC setting up
sudo sed -i '$ i rtc-ds1307' /etc/modules
sudo sed -i '$ i echo ds1307 0x68 > /sys/class/i2c-adapter/i2c-1/new_device' /etc/rc.local
sudo sed -i '$ i hwclock -s' /etc/rc.local
sudo sed -i '$ i #x728 Start power management on boot' /etc/rc.local
#x728 Powering on /reboot /full shutdown through hardware
#!/bin/bash
#sudo sed -e '/shutdown/ s/^#*/#/' -i /etc/rc.local
echo '#!/bin/bash
SHUTDOWN=5
REBOOTPULSEMINIMUM=200
REBOOTPULSEMAXIMUM=600
echo "$SHUTDOWN" > /sys/class/gpio/export
echo "in" > /sys/class/gpio/gpio$SHUTDOWN/direction
BOOT=12
echo "$BOOT" > /sys/class/gpio/export
echo "out" > /sys/class/gpio/gpio$BOOT/direction
echo "1" > /sys/class/gpio/gpio$BOOT/value
echo "X728 Shutting down..."
while [ 1 ]; do
shutdownSignal=$(cat /sys/class/gpio/gpio$SHUTDOWN/value)
if [ $shutdownSignal = 0 ]; then
/bin/sleep 0.2
else
pulseStart=$(date +%s%N | cut -b1-13)
while [ $shutdownSignal = 1 ]; do
/bin/sleep 0.02
if [ $(($(date +%s%N | cut -b1-13)-$pulseStart)) -gt $REBOOTPULSEMAXIMUM ]; then
echo "X728 Shutting down", SHUTDOWN, ", halting Rpi ..."
sudo poweroff
exit
fi
shutdownSignal=$(cat /sys/class/gpio/gpio$SHUTDOWN/value)
done
if [ $(($(date +%s%N | cut -b1-13)-$pulseStart)) -gt $REBOOTPULSEMINIMUM ]; then
echo "X728 Rebooting", SHUTDOWN, ", recycling Rpi ..."
sudo reboot
exit
fi
fi
done' > /etc/x728pwr.sh
sudo chmod +x /etc/x728pwr.sh
sudo sed -i '$ i /etc/x728pwr.sh &' /etc/rc.local
#X728 full shutdown through Software
#!/bin/bash
sudo sed -e '/button/ s/^#*/#/' -i /etc/rc.local
echo '#!/bin/bash
BUTTON=26
echo "$BUTTON" > /sys/class/gpio/export;
echo "out" > /sys/class/gpio/gpio$BUTTON/direction
echo "1" > /sys/class/gpio/gpio$BUTTON/value
SLEEP=${1:-4}
re='^[0-9\.]+$'
if ! [[ $SLEEP =~ $re ]] ; then
echo "error: sleep time not a number" >&2; exit 1
fi
echo "X728 Shutting down..."
/bin/sleep $SLEEP
#restore GPIO 26
echo "0" > /sys/class/gpio/gpio$BUTTON/value
' > /usr/local/bin/x728softsd.sh
sudo chmod +x /usr/local/bin/x728softsd.sh
sudo echo "alias x728off='sudo x728softsd.sh'" >> /home/pi/.bashrc
#X728 Battery voltage & precentage reading
#!/bin/bash
#Get current PYTHON verson, 2 or 3
#PY_VERSION=`python -V 2>&1|awk '{print $2}'|awk -F '.' '{print $1}'`
echo '#!/usr/bin/env python
import struct
import smbus
import sys
import time
import RPi.GPIO as GPIO
# Global settings
# GPIO26 is for x728 V2.1/V2.2/V2.3, GPIO13 is for X728 v2.0/v1.2/v1.3
GPIO_PORT = 26
I2C_ADDR = 0x36
GPIO.setmode(GPIO.BCM)
GPIO.setup(GPIO_PORT, GPIO.OUT)
GPIO.setwarnings(False)
def readVoltage(bus):
address = I2C_ADDR
read = bus.read_word_data(address, 2)
swapped = struct.unpack("<H", struct.pack(">H", read))[0]
voltage = swapped * 1.25 /1000/16
return voltage
def readCapacity(bus):
address = I2C_ADDR
read = bus.read_word_data(address, 4)
swapped = struct.unpack("<H", struct.pack(">H", read))[0]
capacity = swapped/256
return capacity
bus = smbus.SMBus(1) # 0 = /dev/i2c-0 (port I2C0), 1 = /dev/i2c-1 (port I2C1)
while True:
print ("******************")
print ("Voltage:%5.2fV" % readVoltage(bus))
print ("Battery:%5i%%" % readCapacity(bus))
if readCapacity(bus) == 100:
print ("Battery FULL")
if readCapacity(bus) < 20:
print ("Battery Low")
#Set battery low voltage to shut down, you can modify the 3.00 to other value
if readVoltage(bus) < 3.00:
print ("Battery LOW!!!")
print ("Shutdown in 10 seconds")
time.sleep(10)
GPIO.output(GPIO_PORT, GPIO.HIGH)
time.sleep(3)
GPIO.output(GPIO_PORT, GPIO.LOW)
time.sleep(2)
' >> /home/pi/x728bat.py
#sudo chmod +x /home/pi/x728bat.py
#X728 AC Power loss / power adapter failture detection
#!/bin/bash
echo '#!/usr/bin/env python
import RPi.GPIO as GPIO
import time
PLD_PIN = 6
BUZZER_PIN = 20
GPIO.setwarnings(False)
GPIO.setmode(GPIO.BCM)
GPIO.setup(PLD_PIN, GPIO.IN)
GPIO.setup(BUZZER_PIN, GPIO.OUT)
while True:
i = GPIO.input(PLD_PIN)
if i == 0:
print("AC Power OK")
GPIO.output(BUZZER_PIN, 0)
# You can remove the following comment lines (remove the # character) if you want buzzer sounds alarm.
#elif i == 1:
#print("Power Supply A/C Lost")
#GPIO.output(BUZZER_PIN, 1)
#time.sleep(0.1)
#GPIO.output(BUZZER_PIN, 0)
#time.sleep(0.1)
time.sleep(1)
' > /home/pi/x728pld.py
#sudo chmod +x /home/pi/x728pld.py
# x728 Test Auto shutdown when AC power loss or power adapter failure
echo '#!/usr/bin/env python
import RPi.GPIO as GPIO
import time
GPIO.setmode(GPIO.BCM)
GPIO.setup(6, GPIO.IN)
GPIO.setup(26, GPIO.OUT)
GPIO.setwarnings(False)
def my_callback(channel):
if GPIO.input(6): # if port 6 == 1
print ("---AC Power Loss OR Power Adapter Failure---")
print ("Shutdown in 5 seconds")
time.sleep(5)
GPIO.output(26, GPIO.HIGH)
time.sleep(3)
GPIO.output(26, GPIO.LOW)
#time.sleep(2)
else: # if port 6 != 1
print ("---AC Power OK,Power Adapter OK---")
GPIO.add_event_detect(6, GPIO.BOTH, callback=my_callback)
input("Testing Started")
' > /home/pi/x728plsd.py
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