amiro-lld / drivers / bq27500 / v1 / alld_bq27500.h @ ed9a1bf5
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/*
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AMiRo-LLD is a compilation of low-level hardware drivers for the Autonomous Mini Robot (AMiRo) platform.
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Copyright (C) 2016..2020 Thomas Schöpping et al.
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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/**
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* @file alld_bq27500.h
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* @brief Fuel Gauge constants and structures.
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*
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* @addtogroup lld_gauge
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* @{
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*/
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#ifndef AMIROLLD_BQ27500_H
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#define AMIROLLD_BQ27500_H
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#include <amiro-lld.h> |
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/******************************************************************************/
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/* CONSTANTS */
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/******************************************************************************/
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/**
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* @brief Hardware version number.
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* @details There are three different revisions of the bq27500 fuel gauge:
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* 100, 120, and 130.
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* If no version is set, it defaults to 100.
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*/
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#if !defined(BQ27500_LLD_HWVERSION)
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#define BQ27500_LLD_HWVERSION 100 |
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#endif
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/* hardware version santity checks */
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#if (BQ27500_LLD_HWVERSION != 100) && (BQ27500_LLD_HWVERSION != 120) && (BQ27500_LLD_HWVERSION != 130) |
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#error "Invalid hardware version selected" |
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#endif
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/**
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* @brief fixed I2C address
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*/
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#define BQ27500_LLD_I2C_ADDR 0x55u |
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/**
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* @brief maximum I2C frequency in Hz
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*/
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#if (BQ27500_LLD_HWVERSION == 100) |
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#define BQ27500_LLD_I2C_MAXFREQUENCY 100000 |
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#elif (BQ27500_LLD_HWVERSION == 120) |
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#define BQ27500_LLD_I2C_MAXFREQUENCY 400000 |
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#elif (BQ27500_LLD_HWVERSION == 130) |
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#define BQ27500_LLD_I2C_MAXFREQUENCY 400000 |
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#endif
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/**
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* @brief default key0 to get into unsealed mode
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*/
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#define BQ27500_LLD_DEFAULT_UNSEAL_KEY0 0x3672u |
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/**
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* @brief default key1 to get into unsealed mode
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*/
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#define BQ27500_LLD_DEFAULT_UNSEAL_KEY1 0x0414u |
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/**
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* @brief Active state of battery low gpio.
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*/
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#define BQ27500_LLD_BATLOW_ACTIVE_STATE APAL_GPIO_ACTIVE_HIGH
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/**
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* @brief Active state of battery good gpio.
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*/
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#define BQ27500_LLD_BATGOOD_ACTIVE_STATE APAL_GPIO_ACTIVE_LOW
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/******************************************************************************/
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/* SETTINGS */
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/******************************************************************************/
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/******************************************************************************/
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/* CHECKS */
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/******************************************************************************/
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/******************************************************************************/
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/* DATA STRUCTURES AND TYPES */
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/******************************************************************************/
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/**
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* @brief Possible standard commands.
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*/
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typedef enum { |
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// unit | access
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// | sealed | unsealed
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// ---------+---------+----------
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BQ27500_LLD_STD_CMD_Control = 0x00u, BQ27500_LLD_STD_CMD_CNTL = 0x00u, // N/A | R/W | R/W |
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BQ27500_LLD_STD_CMD_AtRate = 0x02u, BQ27500_LLD_STD_CMD_AR = 0x02u, // mA | R/W | R/W |
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BQ27500_LLD_STD_CMD_AtRateTimeToEmpty = 0x04u, BQ27500_LLD_STD_CMD_ARTTE = 0x04u, // minutes | R | R/W |
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BQ27500_LLD_STD_CMD_Temperature = 0x06u, BQ27500_LLD_STD_CMD_TEMP = 0x06u, // 0.1 K | R | R/W |
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BQ27500_LLD_STD_CMD_Voltage = 0x08u, BQ27500_LLD_STD_CMD_VOLT = 0x08u, // mV | R | R/W |
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BQ27500_LLD_STD_CMD_Flags = 0x0Au, BQ27500_LLD_STD_CMD_FLAGS = 0x0Au, // N/A | R | R/W |
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BQ27500_LLD_STD_CMD_NominalAvailableCapacity = 0x0Cu, BQ27500_LLD_STD_CMD_NAC = 0x0Cu, // mAh | R | R/W |
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BQ27500_LLD_STD_CMD_FullAvailableCapacity = 0x0Eu, BQ27500_LLD_STD_CMD_FAC = 0x0Eu, // mAh | R | R/W |
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BQ27500_LLD_STD_CMD_RemainingCapacity = 0x10u, BQ27500_LLD_STD_CMD_RM = 0x10u, // mAh | R | R/W |
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BQ27500_LLD_STD_CMD_FullChargeCapacity = 0x12u, BQ27500_LLD_STD_CMD_FCC = 0x12u, // mAh | R | R/W |
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BQ27500_LLD_STD_CMD_AverageCurrent = 0x14u, BQ27500_LLD_STD_CMD_AI = 0x14u, // mA | R | R/W |
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BQ27500_LLD_STD_CMD_TimeToEmpty = 0x16u, BQ27500_LLD_STD_CMD_TTE = 0x16u, // minutes | R | R/W |
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BQ27500_LLD_STD_CMD_TimeToFull = 0x18u, BQ27500_LLD_STD_CMD_TTF = 0x18u, // minutes | R | R/W |
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BQ27500_LLD_STD_CMD_StandbyCurrent = 0x1Au, BQ27500_LLD_STD_CMD_SI = 0x1Au, // mA | R | R/W |
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BQ27500_LLD_STD_CMD_StandbyTimeToEmpty = 0x1Cu, BQ27500_LLD_STD_CMD_STTE = 0x1Cu, // minutes | R | R/W |
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BQ27500_LLD_STD_CMD_MaxLoadCurrent = 0x1Eu, BQ27500_LLD_STD_CMD_MLI = 0x1Eu, // mA | R | R/W |
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BQ27500_LLD_STD_CMD_MaxLoadTimeToEmpty = 0x20u, BQ27500_LLD_STD_CMD_MLTTE = 0x20u, // minutes | R | R/W |
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BQ27500_LLD_STD_CMD_AvailableEnergy = 0x22u, BQ27500_LLD_STD_CMD_AE = 0x22u, // mWh | R | R/W |
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BQ27500_LLD_STD_CMD_AveragePower = 0x24u, BQ27500_LLD_STD_CMD_AP = 0x24u, // mW | R | R/W |
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BQ27500_LLD_STD_CMD_TimeToEmptyAtConstantPower = 0x26u, BQ27500_LLD_STD_CMD_TTECP = 0x26u, // minutes | R | R/W |
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BQ27500_LLD_STD_CMD_CycleCount = 0x2Au, BQ27500_LLD_STD_CMD_CC = 0x2Au, // counts | R | R/W |
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BQ27500_LLD_STD_CMD_StateOfCharge = 0x2Cu, BQ27500_LLD_STD_CMD_SOC = 0x2Cu // % | R | R/W |
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} bq27500_lld_std_command_t; |
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/**
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* @brief Subcommands of the control command.
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*/
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typedef enum { |
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// sealed access
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// -------------
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BQ27500_LLD_SUB_CMD_CONTROL_STATUS = 0x0000u, // yes |
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BQ27500_LLD_SUB_CMD_DEVICE_TYPE = 0x0001u, // yes |
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BQ27500_LLD_SUB_CMD_FW_VERSION = 0x0002u, // yes |
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BQ27500_LLD_SUB_CMD_HW_VERSION = 0x0003u, // yes |
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BQ27500_LLD_SUB_CMD_DF_CHECKSUM = 0x0004u, // no |
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BQ27500_LLD_SUB_CMD_RESET_DATA = 0x0005u, // yes |
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BQ27500_LLD_SUB_CMD_PREV_MACWRITE = 0x0007u, // yes |
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BQ27500_LLD_SUB_CMD_CHEM_ID = 0x0008u, // yes |
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BQ27500_LLD_SUB_CMD_BOARD_OFFSET = 0x0009u, // no |
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BQ27500_LLD_SUB_CMD_CC_INT_OFFSET = 0x000Au, // no |
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BQ27500_LLD_SUB_CMD_WRITE_OFFSET = 0x000Bu, // no |
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BQ27500_LLD_SUB_CMD_SET_HIBERNATE = 0x0011u, // yes |
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BQ27500_LLD_SUB_CMD_CLEAR_HIBERNATE = 0x0012u, // yes |
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BQ27500_LLD_SUB_CMD_SET_SLEEPp = 0x0013u, // yes |
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BQ27500_LLD_SUB_CMD_CLEAR_SLEEPp = 0x0014u, // yes |
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BQ27500_LLD_SUB_CMD_SEALED = 0x0020u, // no |
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BQ27500_LLD_SUB_CMD_IT_ENABLE = 0x0021u, // no |
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BQ27500_LLD_SUB_CMD_IF_CHECKSUM = 0x0022u, // no |
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BQ27500_LLD_SUB_CMD_CAL_MODE = 0x0040u, // no |
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BQ27500_LLD_SUB_CMD_RESET = 0x0041u, // no |
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} bq27500_lld_control_subcmd_t; |
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/**
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* @brief Extended commands.
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*/
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typedef enum { |
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// length | unit | sealed | unsealed
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// -------+------+--------+----------
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BQ27500_LLD_EXT_CMD_DesignCapacity = 0x3Cu, EXT_CMD_DCAP = 0x3Cu, // 2 | mAh | R | R |
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BQ27500_LLD_EXT_CMD_DataFlashClass = 0x3Eu, EXT_CMD_DFCLS = 0x3Eu, // 1 | N/A | N/A | R/W |
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BQ27500_LLD_EXT_CMD_DataFlashBlock = 0x3Fu, EXT_CMD_DFBLK = 0x3Fu, // 1 | N/A | R/W | R/W |
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BQ27500_LLD_EXT_CMD_BlockData = 0x40u, EXT_CMD_DFD = 0x40u, // 32 | N/A | R | R/W |
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BQ27500_LLD_EXT_CMD_BlockDataCheckSum = 0x60u,EXT_CMD_DFDCKS = 0x60u, // 1 | N/A | R/W | R/W |
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BQ27500_LLD_EXT_CMD_BlockDataControl = 0x61u, EXT_CMD_DFDCNTL = 0x61u, // 1 | N/A | N/A | R/W |
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BQ27500_LLD_EXT_CMD_DeviceNameLength = 0x62u, EXT_CMD_DNAMELEN = 0x62u, // 1 | N/A | R | R |
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BQ27500_LLD_EXT_CMD_DeviceName = 0x63u, EXT_CMD_DNAME = 0x63u, // 7 | N/A | R | R |
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BQ27500_LLD_EXT_CMD_ApplicationStatus = 0x6Au, EXT_CMD_APPSTAT = 0x6Au // 1 | N/A | R | R |
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} bq27500_lld_ext_command_t; |
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/**
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* @brief Read or write access to extended commands.
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*/
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typedef enum { |
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BQ27500_LLD_EXT_CMD_READ = 0,
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BQ27500_LLD_EXT_CMD_WRITE = 1,
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} bq27500_lld_ext_cmd_access_t; |
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/**
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* @brief Union to inspect the version value.
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*/
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typedef union { |
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uint16_t value; |
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struct {
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uint16_t minor_low : 4;
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uint16_t minor_high : 4;
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uint16_t major_low : 4;
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uint16_t major_high : 4;
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} content; |
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} bq27500_lld_version_t; |
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/**
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* @brief Union to inspect the flags register.
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*/
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typedef union { |
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uint16_t value; |
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struct {
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uint16_t dsg : 1;
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uint16_t socf : 1;
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uint16_t soc1 : 1;
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uint16_t bat_det : 1;
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uint16_t wait_id : 1;
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uint16_t ocv_gd : 1;
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uint16_t rsvd_6_7 : 2;
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uint16_t chg : 1;
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uint16_t fc : 1;
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uint16_t xchg : 1;
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uint16_t chg_inh : 1;
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uint16_t rsvd_12_13 : 2;
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uint16_t otd : 1;
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uint16_t otc : 1;
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} content; |
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} bq27500_lld_flags_t; |
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/**
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* @brief Union to inspect the control status.
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*/
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typedef union { |
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uint16_t value; |
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struct {
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uint16_t qen : 1;
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uint16_t vok : 1;
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uint16_t rup_dis : 1;
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uint16_t ldmd : 1;
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uint16_t sleep : 1;
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uint16_t snooze : 1;
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uint16_t hibernate : 1;
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uint16_t rsvd_7_8_9 : 3;
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uint16_t bca : 1;
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uint16_t cca : 1;
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uint16_t csv : 1;
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uint16_t ss : 1;
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uint16_t fas : 1;
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uint16_t rsvd_15 : 1;
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} content; |
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} bq27500_lld_control_status_t; |
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/**
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* @brief BQ27500 Driver struct.
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*/
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typedef struct { |
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apalI2CDriver_t* i2cd; /**< @brief I2C driver to access the BQ27500 */
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const apalControlGpio_t* gpio_batlow; /**< @brief Gpio to indicate whether the battery is low */ |
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const apalControlGpio_t* gpio_batgood; /**< @brief Gpio to indicate whether the battery is good */ |
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} BQ27500Driver; |
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/**
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* @brief Battery low enum.
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*/
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typedef enum { |
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BQ27500_LLD_BATTERY_LOW = 0x01,
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BQ27500_LLD_BATTERY_NOT_LOW = 0x00,
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} bq27500_lld_batlow_t; |
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/**
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* @brief Battery good enum.
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*/
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typedef enum { |
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BQ27500_LLD_BATTERY_GOOD = 0x01,
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BQ27500_LLD_BATTERY_NOT_GOOD = 0x00,
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} bq27500_lld_batgood_t; |
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/******************************************************************************/
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/* MACROS */
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/******************************************************************************/
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/******************************************************************************/
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/* EXTERN DECLARATIONS */
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/******************************************************************************/
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#ifdef __cplusplus
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extern "C" { |
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#endif
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apalExitStatus_t bq27500_lld_read_batlow(const BQ27500Driver* const bq27500, bq27500_lld_batlow_t* const batlow); |
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apalExitStatus_t bq27500_lld_read_batgood(const BQ27500Driver* const bq27500, bq27500_lld_batgood_t* const batgood); |
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apalExitStatus_t bq27500_lld_std_command(const BQ27500Driver* const bq27500, const bq27500_lld_std_command_t cmd, uint16_t* const dst, const apalTime_t timeout); |
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apalExitStatus_t bq27500_lld_sub_command_call(const BQ27500Driver* const bq27500, const bq27500_lld_control_subcmd_t cmd, const apalTime_t timeout); |
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apalExitStatus_t bq27500_lld_sub_command_read(const BQ27500Driver* const bq27500, uint16_t* const data, const apalTime_t timeout); |
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apalExitStatus_t bq27500_lld_ext_command(const BQ27500Driver* const bq27500, const bq27500_lld_ext_command_t cmd, const bq27500_lld_ext_cmd_access_t rw, uint8_t* const buffer, const uint8_t length, const uint8_t offset, const apalTime_t timeout); |
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apalExitStatus_t bq27500_lld_send_ctnl_data(const BQ27500Driver* const bq27500, const uint16_t data, const apalTime_t timeout); |
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apalExitStatus_t bq27500_lld_compute_blockdata_checksum(const uint8_t* const blockdata, uint8_t* const sum); |
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#ifdef __cplusplus
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} |
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#endif
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/******************************************************************************/
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/* INLINE FUNCTIONS */
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/******************************************************************************/
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#endif /* AMIROLLD_BQ27500_H */ |
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/** @} */
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