mxm_basic_defines.h

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/**
 * @file    mxm_basic_defines.h
 * @author  foxBMS Team
 * @date    2020-02-11 (date of creation)
 * @updated 2021-12-06 (date of last update)
 * @ingroup DRIVERS
 * @prefix  MXM
 *
 * @brief   Basic defines for the complete Maxim driver
 *
 * @details def
 *
 */
 
#ifndef FOXBMS__MXM_BASIC_DEFINES_H_
#define FOXBMS__MXM_BASIC_DEFINES_H_
 
/*========== Includes =======================================================*/
#include "general.h"
 
#include "battery_system_cfg.h"
 
/*========== Macros and Definitions =========================================*/
 
/**
 * @brief Maximum number of modules
 *
 * Maximum number of modules that can be connected to one UART daisy-chain.
 * This value is defined in the Maxim Battery Management Protocol and cannot be
 * changed.
 */
#define MXM_MAXIMUM_NR_OF_MODULES (32u)
 
/**
 * @brief Maximum number of cells per module
 *
 * Maximum number of cells that can be connected to one module. This value
 * is given by the hardware and cannot be changed.
 */
#define MXM_MAXIMUM_NR_OF_CELLS_PER_MODULE (14u)
 
/**
 * @brief Maximum number of AUX ports per module
 *
 * Maximum number of AUX ports that can be on one module. This value is given
 * by the hardware and cannot be changed.
 */
#define MXM_MAXIMUM_NR_OF_AUX_PER_MODULE (6u)
 
/**
 * @brief Type of monitoring device.
 *
 * This enum describes the available types of monitoring devices.
 * These values also align with the register values on the corresponding
 * devices and should therefore not be altered.
 */
typedef enum {
    MXM_MODEL_ID_NONE     = 0u,      /*!< init value for registry */
    MXM_MODEL_ID_MAX17852 = 0x852u,  /*!< monitoring IC MAX17852 */
    MXM_MODEL_ID_MAX17853 = 0x853u,  /*!< monitoring IC MAX17853 */
    MXM_MODEL_ID_MAX17854 = 0x854u,  /*!< monitoring IC MAX17854 */
    MXM_MODEL_ID_invalid  = 0x1000u, /*!< invalid version ID (cannot be encoded in register or unknown value) */
} MXM_MODEL_ID_e;
 
/** values that the datacheck byte can assume */
typedef enum {
    MXM_DC_PEC_ERROR  = (1u << 7u), /*!< PEC Error */
    MXM_DC_ALRTFMEA   = (1u << 6u), /*!< FMEA alert */
    MXM_DC_ALRTSTATUS = (1u << 5u), /*!< alert from status register */
    MXM_DC_AUXOV      = (1u << 4u), /*!< OV or UT on AUX */
    MXM_DC_AUXUV      = (1u << 3u), /*!< UV or OT on AUX */
    MXM_DC_CELLOV     = (1u << 2u), /*!< OV on CELLs */
    MXM_DC_CELLUV     = (1u << 1u), /*!< UV on CELLs */
    MXM_DC_RESERVED   = 1u,         /*!< reserved */
    MXM_DC_EMPTY      = 0u,         /*!< empty data-check-byte */
} MXM_DC_BYTE_e;
 
/** valid values for the silicon version of connected monitoring ICs */
typedef enum {
    MXM_siliconVersion_0       = 0x0u,  /*!< initialization value */
    MXM_siliconVersion_1       = 0x1u,  /*!< silicon version 1 (known from data-sheet) */
    MXM_siliconVersion_2       = 0x2u,  /*!< silicon version 2 */
    MXM_siliconVersion_3       = 0x3u,  /*!< silicon version 3 */
    MXM_siliconVersion_4       = 0x4u,  /*!< silicon version 4 (located on old EV kit 2018) */
    MXM_siliconVersion_5       = 0x5u,  /*!< silicon version 5 (located on new EV kit 04.2019) */
    MXM_siliconVersion_6       = 0x6u,  /*!< silicon version 6 */
    MXM_siliconVersion_7       = 0x7u,  /*!< silicon version 7 (most recent as of 2021-11-21) */
    MXM_siliconVersion_8       = 0x8u,  /*!< unknown silicon version */
    MXM_siliconVersion_9       = 0x9u,  /*!< unknown silicon version */
    MXM_siliconVersion_10      = 0xAu,  /*!< unknown silicon version */
    MXM_siliconVersion_11      = 0xBu,  /*!< unknown silicon version */
    MXM_siliconVersion_12      = 0xCu,  /*!< unknown silicon version */
    MXM_siliconVersion_13      = 0xDu,  /*!< unknown silicon version */
    MXM_siliconVersion_14      = 0xEu,  /*!< unknown silicon version */
    MXM_siliconVersion_15      = 0xFu,  /*!< unknown silicon version */
    MXM_siliconVersion_invalid = 0x10u, /*!< due to the register size, no version number can take this value */
} MXM_siliconVersion_e;
 
/** Conversion Type */
typedef enum {
    MXM_CONVERSION_UNIPOLAR,      /*!< unipolar measurement */
    MXM_CONVERSION_BIPOLAR,       /*!< bipolar measurement */
    MXM_CONVERSION_BLOCK_VOLTAGE, /*!< measurement of block voltage */
} MXM_CONVERSION_TYPE_e;
 
/** Type of measurement */
typedef enum {
    MXM_MEASURE_CELL_VOLTAGE,  /*!< cell voltage measurement */
    MXM_MEASURE_TEMP,          /*!< temperature measurement */
    MXM_MEASURE_BLOCK_VOLTAGE, /*!< block voltage measurement */
} MXM_MEASURE_TYPE_e;
 
/**
 * struct that summarizes all types of measurement values of the monitoring IC
 */
typedef struct {
    /** array of all cell voltages measured by the driver */
    uint16_t cellVoltages_mV[MXM_MAXIMUM_NR_OF_MODULES * MXM_MAXIMUM_NR_OF_CELLS_PER_MODULE];
    /** array of all voltages measured by the driver on the AUX inputs */
    uint16_t auxVoltages_mV[MXM_MAXIMUM_NR_OF_MODULES * MXM_MAXIMUM_NR_OF_AUX_PER_MODULE];
    /** array of all measured block voltages */
    uint16_t blockVoltages[MXM_MAXIMUM_NR_OF_MODULES];
} MXM_DATA_STORAGE_s;
 
/*========== Extern Constant and Variable Declarations ======================*/
 
/*========== Extern Function Prototypes =====================================*/
 
/*========== Externalized Static Functions Prototypes (Unit Test) ===========*/
 
#endif /* FOXBMS__MXM_BASIC_DEFINES_H_ */