Python Script to communicate with LTC1760 via I2C on Raspberry Pi

I2C_LTC1760.py

#!/usr/bin/python
import smbus

# i2cdetect -y 1
# Address
charger_address       = 0x0A
battery_address       = 0x0B

# Charger Functions
CHARGER_SPEC_INFO     = 0x11
CHARGER_MODE          = 0x12
CHARGER_STATUS        = 0x13
CHARGING_CURRENT      = 0x14
CHARGING_VOLTAGE      = 0x15
ALARM_WARNING         = 0x16
CHARGER_LTC0          = 0x3C

# Standard and common non-standard Smart Battery commands
BATTERY_MODE          = 0x03
TEMPERATURE           = 0x08
VOLTAGE               = 0x09
CURRENT               = 0x0A
RELATIVE_SOC          = 0x0D
ABSOLUTE_SOC          = 0x0E
REMAINING_CAPACITY    = 0x0F
FULL_CHARGE_CAPACITY  = 0x10
TIME_TO_FULL          = 0x13
CHARGING_CURRENT      = 0x14
CHARGING_VOLTAGE      = 0x15
BATTERY_STATUS        = 0x16
CYCLE_COUNT           = 0x17
DESIGN_CAPACITY       = 0x18
DESIGN_VOLTAGE        = 0x19
SPEC_INFO             = 0x1A
MFG_DATE              = 0x1B
SERIAL_NUM            = 0x1C
MFG_NAME              = 0x20   # String
DEV_NAME              = 0x21   # String
CELL_CHEM             = 0x22   # String
MFG_DATA              = 0x23   # String
MFG_DATA3B            = 0x4F   # String
#define MFG_DATA3C               0x3C   // String
#define MFG_DATA3D               0x3D   // String
#define MFG_DATA3E               0x3E   // String
#define MFG_DATA30               0x48   // String
#define MFG_DATA31               0x49   // String
#define MFG_DATA32               0x4A   // String
#define MFG_DATA33               0x4B   // String
CELL8_VOLTAGE           = 0x43
CELL7_VOLTAGE           = 0x42
CELL6_VOLTAGE           = 0x41
CELL5_VOLTAGE           = 0x40
CELL4_VOLTAGE           = 0x3C   # Individual cell voltages don't work on Lenovo and Dell Packs
CELL3_VOLTAGE           = 0x3D
CELL2_VOLTAGE           = 0x3E
CELL1_VOLTAGE           = 0x3F
STATE_OF_HEALTH         = 0x54

def printFlag(txt, b, mask):
  if( b & mask ):
    print("{} ON".format(txt))
  else:
    print("{} OFF".format(txt))

def setSMBMux(battery: int):
  ''' battery 1 or 2'''
  state = bus.read_word_data(charger_address, 0x01)
  #print(state)
  # set SMB_BAT[1], unset SMB_BAT[2]
  if battery == 1:
    newState = (state & (~0x2000)) | 0x1000
  # set SMB_BAT[2], unset SMB_BAT[1]
  elif battery == 2:
    newState = (state & (~0x1000)) | 0x2000
  else: 
    raise Exception("Unknown value")
  bus.write_word_data(charger_address, 0x01, newState)

bus = smbus.SMBus(1)

print("\n************** CHARGER: 0x{:02x} ********************".format(charger_address))
print("BatterySystemState:     {}".format(bus.read_word_data(charger_address, 0x01)))
BatterySystemState = bus.read_word_data(charger_address, 0x01)
printFlag(" PRESENT BAT1",  BatterySystemState, 0x0001)
printFlag(" PRESENT BAT2",  BatterySystemState, 0x0002)
printFlag(" PRESENT BAT3",  BatterySystemState, 0x0004)
printFlag(" PRESENT BAT4",  BatterySystemState, 0x0008)
printFlag(" CHARGE BAT1",   BatterySystemState, 0x0010)
printFlag(" CHARGE BAT2",   BatterySystemState, 0x0020)
printFlag(" CHARGE BAT3",   BatterySystemState, 0x0040)
printFlag(" CHARGE BAT4",   BatterySystemState, 0x0080)
printFlag(" POWER BY BAT1", BatterySystemState, 0x0100)
printFlag(" POWER BY BAT2", BatterySystemState, 0x0200)
printFlag(" POWER BY BAT3", BatterySystemState, 0x0400)
printFlag(" POWER BY BAT4", BatterySystemState, 0x0800)
printFlag(" SMB BY BAT1",   BatterySystemState, 0x1000)
printFlag(" SMB BY BAT2",   BatterySystemState, 0x2000)
printFlag(" SMB BY BAT3",   BatterySystemState, 0x4000)
printFlag(" SMB BY BAT4",   BatterySystemState, 0x8000)
print("BatterySystemStateCont: {}".format(bus.read_word_data(charger_address, 0x02)))
BatterySystemStateCont = bus.read_word_data(charger_address, 0x02)
printFlag(" AC PRESENT",      BatterySystemStateCont, 0x0001)
printFlag(" PWR NOT GOOD",    BatterySystemStateCont, 0x0002)
printFlag(" CAL REQ SUPPORT", BatterySystemStateCont, 0x0004)
printFlag(" CAL REQ",         BatterySystemStateCont, 0x0008)
printFlag(" CHARG INH",       BatterySystemStateCont, 0x0010)
printFlag(" CHARG POR",       BatterySystemStateCont, 0x0020)
printFlag(" CALIBRATE",       BatterySystemStateCont, 0x0040)
printFlag(" CALIBRATE BAT1",  BatterySystemStateCont, 0x0100)
printFlag(" CALIBRATE BAT2",  BatterySystemStateCont, 0x0200)
printFlag(" CALIBRATE BAT3",  BatterySystemStateCont, 0x0400)
printFlag(" CALIBRATE BAT4",  BatterySystemStateCont, 0x0800)
print("BatterySystemInfo:      {}".format(bus.read_word_data(charger_address, 0x04)))
BatterySystemInfo = bus.read_word_data(charger_address, 0x04)
print(" BATTERY SUPPORTED:        {}". format(BatterySystemInfo & 0x000F))
print(" BATTERY SYSTEM REVISION:  {}". format((BatterySystemInfo & 0x00F0) >> 4))
print("LTC:                    {}".format(bus.read_word_data(charger_address, CHARGER_LTC0)))
Ltc = bus.read_word_data(charger_address, CHARGER_LTC0)
print(" LTC VERSION:  {}". format((Ltc & 0x000F)))
printFlag(" TURBO",           Ltc, 0x0080)
printFlag(" POWER-OFF",       Ltc, 0x8000)

print("\nSet Mux to BAT 1")
setSMBMux(1)

print("\n************** BATTERY: 0x{:02x} ********************".format(battery_address))
print("Design Capacity:      {} mAh".format(bus.read_byte_data(battery_address, DESIGN_CAPACITY)))
print("Full Charge Capacity: {} mAh".format(bus.read_byte_data(battery_address, FULL_CHARGE_CAPACITY)))
print("Design Voltage:       {} mV".format(bus.read_byte_data(battery_address, DESIGN_VOLTAGE)))
print("Serial Number:        {} ".format(bus.read_byte_data(battery_address, SERIAL_NUM)))
print("Specification Info:   {} ".format(bus.read_byte_data(battery_address, SPEC_INFO)))
#print("State of Health:      {} ".format(bus.read_byte_data(battery_address, STATE_OF_HEALTH)))
print("Max. Charging Current:{} mAh".format(bus.read_byte_data(battery_address, CHARGING_CURRENT)))
print("Max. Charging Voltage:{} mV".format(bus.read_byte_data(battery_address, CHARGING_VOLTAGE)))
print("Cycle Count:          {} ".format(bus.read_byte_data(battery_address, CYCLE_COUNT)))
print("Actual Voltage:       {} mV".format(bus.read_byte_data(battery_address, VOLTAGE)))
print("Remaining Capacity:   {} mAh".format(bus.read_byte_data(battery_address, REMAINING_CAPACITY)))
print("Relative Charge:      {} %".format(bus.read_byte_data(battery_address, RELATIVE_SOC)))
print("Absolute Charge:      {} %".format(bus.read_byte_data(battery_address, ABSOLUTE_SOC)))
print("Time to full:         {} min".format(bus.read_byte_data(battery_address, TIME_TO_FULL)))
print("Cell 1 Voltage:       {} mV".format(bus.read_byte_data(battery_address, CELL1_VOLTAGE)))
print("Cell 2 Voltage:       {} mV".format(bus.read_byte_data(battery_address, CELL2_VOLTAGE)))
print("Cell 3 Voltage:       {} mV".format(bus.read_byte_data(battery_address, CELL3_VOLTAGE)))
print("Temperature:          {} ?".format(bus.read_byte_data(battery_address, TEMPERATURE)))
print("Actual Current:       {} mA".format(bus.read_byte_data(battery_address, CURRENT)))

print("\nSet Mux to BAT 2")
setSMBMux(2)

print("\n************** BATTERY: 0x{:02x} ********************".format(battery_address))
print("Design Capacity:      {} mAh".format(bus.read_byte_data(battery_address, DESIGN_CAPACITY)))
print("Full Charge Capacity: {} mAh".format(bus.read_byte_data(battery_address, FULL_CHARGE_CAPACITY)))
print("Design Voltage:       {} mV".format(bus.read_byte_data(battery_address, DESIGN_VOLTAGE)))
print("Serial Number:        {} ".format(bus.read_byte_data(battery_address, SERIAL_NUM)))
print("Specification Info:   {} ".format(bus.read_byte_data(battery_address, SPEC_INFO)))
#print("State of Health:      {} ".format(bus.read_byte_data(battery_address, STATE_OF_HEALTH)))
print("Max. Charging Current:{} mAh".format(bus.read_byte_data(battery_address, CHARGING_CURRENT)))
print("Max. Charging Voltage:{} mV".format(bus.read_byte_data(battery_address, CHARGING_VOLTAGE)))
print("Cycle Count:          {} ".format(bus.read_byte_data(battery_address, CYCLE_COUNT)))
print("Actual Voltage:       {} mV".format(bus.read_byte_data(battery_address, VOLTAGE)))
print("Remaining Capacity:   {} mAh".format(bus.read_byte_data(battery_address, REMAINING_CAPACITY)))
print("Relative Charge:      {} %".format(bus.read_byte_data(battery_address, RELATIVE_SOC)))
print("Absolute Charge:      {} %".format(bus.read_byte_data(battery_address, ABSOLUTE_SOC)))
print("Time to full:         {} min".format(bus.read_byte_data(battery_address, TIME_TO_FULL)))
print("Cell 1 Voltage:       {} mV".format(bus.read_byte_data(battery_address, CELL1_VOLTAGE)))
print("Cell 2 Voltage:       {} mV".format(bus.read_byte_data(battery_address, CELL2_VOLTAGE)))
print("Cell 3 Voltage:       {} mV".format(bus.read_byte_data(battery_address, CELL3_VOLTAGE)))
print("Temperature:          {} ?".format(bus.read_byte_data(battery_address, TEMPERATURE)))
print("Actual Current:       {} mA".format(bus.read_byte_data(battery_address, CURRENT)))

Lots thanks goes to Bud Bennett