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BQ27441_Definitions.h
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/******************************************************************************
BQ27441_Definitions.h
BQ27441 LiPo Fuel Gauge Definitions
Jim Lindblom @ SparkFun Electronics
May 9, 2016
https://github.com/sparkfun/SparkFun_BQ27441_Arduino_Library
BQ27441 hardware constants, register addresses, and bit positions.
Hardware Resources:
- Arduino Development Board
- SparkFun Battery Babysitter
Development environment specifics:
Arduino 1.6.7
SparkFun Battery Babysitter v1.0
Arduino Uno (any 'duino should do)
******************************************************************************/
#define BQ72441_I2C_ADDRESS 0x55 // Default I2C address of the BQ27441-G1A
///////////////////////
// General Constants //
///////////////////////
#define BQ27441_UNSEAL_KEY 0x8000 // Secret code to unseal the BQ27441-G1A
#define BQ27441_DEVICE_ID 0x0421 // Default device ID
///////////////////////
// Standard Commands //
///////////////////////
// The fuel gauge uses a series of 2-byte standard commands to enable system
// reading and writing of battery information. Each command has an associated
// sequential command-code pair.
#define BQ27441_COMMAND_CONTROL 0x00 // Control()
#define BQ27441_COMMAND_TEMP 0x02 // Temperature()
#define BQ27441_COMMAND_VOLTAGE 0x04 // Voltage()
#define BQ27441_COMMAND_FLAGS 0x06 // Flags()
#define BQ27441_COMMAND_NOM_CAPACITY 0x08 // NominalAvailableCapacity()
#define BQ27441_COMMAND_AVAIL_CAPACITY 0x0A // FullAvailableCapacity()
#define BQ27441_COMMAND_REM_CAPACITY 0x0C // RemainingCapacity()
#define BQ27441_COMMAND_FULL_CAPACITY 0x0E // FullChargeCapacity()
#define BQ27441_COMMAND_AVG_CURRENT 0x10 // AverageCurrent()
#define BQ27441_COMMAND_STDBY_CURRENT 0x12 // StandbyCurrent()
#define BQ27441_COMMAND_MAX_CURRENT 0x14 // MaxLoadCurrent()
#define BQ27441_COMMAND_AVG_POWER 0x18 // AveragePower()
#define BQ27441_COMMAND_SOC 0x1C // StateOfCharge()
#define BQ27441_COMMAND_INT_TEMP 0x1E // InternalTemperature()
#define BQ27441_COMMAND_SOH 0x20 // StateOfHealth()
#define BQ27441_COMMAND_REM_CAP_UNFL 0x28 // RemainingCapacityUnfiltered()
#define BQ27441_COMMAND_REM_CAP_FIL 0x2A // RemainingCapacityFiltered()
#define BQ27441_COMMAND_FULL_CAP_UNFL 0x2C // FullChargeCapacityUnfiltered()
#define BQ27441_COMMAND_FULL_CAP_FIL 0x2E // FullChargeCapacityFiltered()
#define BQ27441_COMMAND_SOC_UNFL 0x30 // StateOfChargeUnfiltered()
//////////////////////////
// Control Sub-commands //
//////////////////////////
// Issuing a Control() command requires a subsequent 2-byte subcommand. These
// additional bytes specify the particular control function desired. The
// Control() command allows the system to control specific features of the fuel
// gauge during normal operation and additional features when the device is in
// different access modes.
#define BQ27441_CONTROL_STATUS 0x00
#define BQ27441_CONTROL_DEVICE_TYPE 0x01
#define BQ27441_CONTROL_FW_VERSION 0x02
#define BQ27441_CONTROL_DM_CODE 0x04
#define BQ27441_CONTROL_PREV_MACWRITE 0x07
#define BQ27441_CONTROL_CHEM_ID 0x08
#define BQ27441_CONTROL_BAT_INSERT 0x0C
#define BQ27441_CONTROL_BAT_REMOVE 0x0D
#define BQ27441_CONTROL_SET_HIBERNATE 0x11
#define BQ27441_CONTROL_CLEAR_HIBERNATE 0x12
#define BQ27441_CONTROL_SET_CFGUPDATE 0x13
#define BQ27441_CONTROL_SHUTDOWN_ENABLE 0x1B
#define BQ27441_CONTROL_SHUTDOWN 0x1C
#define BQ27441_CONTROL_SEALED 0x20
#define BQ27441_CONTROL_PULSE_SOC_INT 0x23
#define BQ27441_CONTROL_RESET 0x41
#define BQ27441_CONTROL_SOFT_RESET 0x42
#define BQ27441_CONTROL_EXIT_CFGUPDATE 0x43
#define BQ27441_CONTROL_EXIT_RESIM 0x44
///////////////////////////////////////////
// Control Status Word - Bit Definitions //
///////////////////////////////////////////
// Bit positions for the 16-bit data of CONTROL_STATUS.
// CONTROL_STATUS instructs the fuel gauge to return status information to
// Control() addresses 0x00 and 0x01. The read-only status word contains status
// bits that are set or cleared either automatically as conditions warrant or
// through using specified subcommands.
#define BQ27441_STATUS_SHUTDOWNEN (1<<15)
#define BQ27441_STATUS_WDRESET (1<<14)
#define BQ27441_STATUS_SS (1<<13)
#define BQ27441_STATUS_CALMODE (1<<12)
#define BQ27441_STATUS_CCA (1<<11)
#define BQ27441_STATUS_BCA (1<<10)
#define BQ27441_STATUS_QMAX_UP (1<<9)
#define BQ27441_STATUS_RES_UP (1<<8)
#define BQ27441_STATUS_INITCOMP (1<<7)
#define BQ27441_STATUS_HIBERNATE (1<<6)
#define BQ27441_STATUS_SLEEP (1<<4)
#define BQ27441_STATUS_LDMD (1<<3)
#define BQ27441_STATUS_RUP_DIS (1<<2)
#define BQ27441_STATUS_VOK (1<<1)
////////////////////////////////////
// Flag Command - Bit Definitions //
////////////////////////////////////
// Bit positions for the 16-bit data of Flags()
// This read-word function returns the contents of the fuel gauging status
// register, depicting the current operating status.
#define BQ27441_FLAG_OT (1<<15)
#define BQ27441_FLAG_UT (1<<14)
#define BQ27441_FLAG_FC (1<<9)
#define BQ27441_FLAG_CHG (1<<8)
#define BQ27441_FLAG_OCVTAKEN (1<<7)
#define BQ27441_FLAG_ITPOR (1<<5)
#define BQ27441_FLAG_CFGUPMODE (1<<4)
#define BQ27441_FLAG_BAT_DET (1<<3)
#define BQ27441_FLAG_SOC1 (1<<2)
#define BQ27441_FLAG_SOCF (1<<1)
#define BQ27441_FLAG_DSG (1<<0)
////////////////////////////
// Extended Data Commands //
////////////////////////////
// Extended data commands offer additional functionality beyond the standard
// set of commands. They are used in the same manner; however, unlike standard
// commands, extended commands are not limited to 2-byte words.
#define BQ27441_EXTENDED_OPCONFIG 0x3A // OpConfig()
#define BQ27441_EXTENDED_CAPACITY 0x3C // DesignCapacity()
#define BQ27441_EXTENDED_DATACLASS 0x3E // DataClass()
#define BQ27441_EXTENDED_DATABLOCK 0x3F // DataBlock()
#define BQ27441_EXTENDED_BLOCKDATA 0x40 // BlockData()
#define BQ27441_EXTENDED_CHECKSUM 0x60 // BlockDataCheckSum()
#define BQ27441_EXTENDED_CONTROL 0x61 // BlockDataControl()
////////////////////////////////////////
// Configuration Class, Subclass ID's //
////////////////////////////////////////
// To access a subclass of the extended data, set the DataClass() function
// with one of these values.
// Configuration Classes
#define BQ27441_ID_SAFETY 2 // Safety
#define BQ27441_ID_CHG_TERMINATION 36 // Charge Termination
#define BQ27441_ID_CONFIG_DATA 48 // Data
#define BQ27441_ID_DISCHARGE 49 // Discharge
#define BQ27441_ID_REGISTERS 64 // Registers
#define BQ27441_ID_POWER 68 // Power
// Gas Gauging Classes
#define BQ27441_ID_IT_CFG 80 // IT Cfg
#define BQ27441_ID_CURRENT_THRESH 81 // Current Thresholds
#define BQ27441_ID_STATE 82 // State
// Ra Tables Classes
#define BQ27441_ID_R_A_RAM 89 // R_a RAM
// Calibration Classes
#define BQ27441_ID_CALIB_DATA 104 // Data
#define BQ27441_ID_CC_CAL 105 // CC Cal
#define BQ27441_ID_CURRENT 107 // Current
// Security Classes
#define BQ27441_ID_CODES 112 // Codes
/////////////////////////////////////////
// OpConfig Register - Bit Definitions //
/////////////////////////////////////////
// Bit positions of the OpConfig Register
#define BQ27441_OPCONFIG_BIE (1<<13)
#define BQ27441_OPCONFIG_BI_PU_EN (1<<12)
#define BQ27441_OPCONFIG_GPIOPOL (1<<11)
#define BQ27441_OPCONFIG_SLEEP (1<<5)
#define BQ27441_OPCONFIG_RMFCC (1<<4)
#define BQ27441_OPCONFIG_BATLOWEN (1<<2)
#define BQ27441_OPCONFIG_TEMPS (1<<0)