Pr/2

UPS_Lite.py → UPS_Lite_org.py

@@ -1,16 +1,17 @@
-
 #!/usr/bin/env python
 import struct
 import smbus
 import sys
 import time
+import RPi.GPIO as GPIO
+
 
 
 def readVoltage(bus):
 
         "This function returns as float the voltage from the Raspi UPS Hat via the provided SMBus object"
         address = 0x36
-        read = bus.read_word_data(address, 2)
+        read = bus.read_word_data(address, 0X02)
         swapped = struct.unpack("<H", struct.pack(">H", read))[0]
         voltage = swapped * 1.25 /1000/16
         return voltage
@@ -19,27 +20,66 @@ def readVoltage(bus):
 def readCapacity(bus):
         "This function returns as a float the remaining capacity of the battery connected to the Raspi UPS Hat via the provided SMBus object"
         address = 0x36
-        read = bus.read_word_data(address, 4)
+        read = bus.read_word_data(address, 0X04)
         swapped = struct.unpack("<H", struct.pack(">H", read))[0]
         capacity = swapped/256
         return capacity
 
 
+def QuickStart(bus):
+        address = 0x36
+        bus.write_word_data(address, 0x06,0x4000)
+
+
+def PowerOnReset(bus):
+        address = 0x36
+        bus.write_word_data(address, 0xfe,0x0054)
+
+
+
+
+GPIO.setmode(GPIO.BCM)
+GPIO.setwarnings(False)
+GPIO.setup(4,GPIO.IN)
+
 bus = smbus.SMBus(1)  # 0 = /dev/i2c-0 (port I2C0), 1 = /dev/i2c-1 (port I2C1)
 
+PowerOnReset(bus)
+QuickStart(bus)
+
+
+print "  "
+print "Initialize the MAX17040 ......"
+
+
 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:
+ if readCapacity(bus) < 5:
 
         print "Battery LOW"
+
+
+
+
+
+ if (GPIO.input(4) == GPIO.HIGH):
+
+		print "Power Adapter Plug In " 
+
+ if (GPIO.input(4) == GPIO.LOW):
+
+		print "Power Adapter Unplug"
+
+
  print "++++++++++++++++++++"
  time.sleep(2)