contactor_cfg.h

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 *
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/**
 * @file    contactor_cfg.h
 * @author  foxBMS Team
 * @date    2020-02-11 (date of creation)
 * @updated 2022-10-27 (date of last update)
 * @version v1.4.1
 * @ingroup DRIVERS_CONFIGURATION
 * @prefix  CONT
 *
 * @brief   Header for the configuration for the driver for the contactors
 *
 */
 
#ifndef FOXBMS__CONTACTOR_CFG_H_
#define FOXBMS__CONTACTOR_CFG_H_
 
/*========== Includes =======================================================*/
#include "general.h"
 
#include "battery_system_cfg.h"
 
#include "sps_types.h"
 
/*========== Macros and Definitions =========================================*/
 
/*========== Extern Constant and Variable Declarations ======================*/
/** Symbolic names for the possible states of the contactors */
typedef enum {
    CONT_SWITCH_OFF,       /*!< Contactor off       --> Contactor is open */
    CONT_SWITCH_ON,        /*!< Contactor on        --> Contactor is closed */
    CONT_SWITCH_UNDEFINED, /*!< Contactor undefined --> Contactor state not known */
} CONT_ELECTRICAL_STATE_TYPE_e;
 
/** Symbolic names defining the electric behavior of the contactor */
typedef enum {
    CONT_FEEDBACK_NORMALLY_OPEN,   /*!< Feedback line of a contactor is normally open */
    CONT_FEEDBACK_NORMALLY_CLOSED, /*!< Feedback line of a contactor is normally closed */
    CONT_FEEDBACK_THROUGH_CURRENT, /*!< Get feedback information through the current flowing into the contactor */
    CONT_HAS_NO_FEEDBACK,          /*!< Feedback line of the contactor is not used */
} CONT_FEEDBACK_TYPE_e;
 
/** Contactor type */
typedef enum {
    CONT_PLUS,      /*!< Contactor is placed in HV plus path */
    CONT_MINUS,     /*!< Contactor is placed in HV minus path */
    CONT_PRECHARGE, /*!< Contactor is used as precharge contactor, installed as a plus contactor */
    CONT_UNDEFINED, /*!< Undefined contactor */
} CONT_TYPE_e;
 
/**
 * Some contactors are designed and optimized to open current that is flowing
 * in one direction to provide maximum current breaking capability. This
 * direction is then dependent on how the contactors are installed withing the
 * battery system. If bidirectional contactors are used, the main power
 * terminals can be connected in either direction and the current breaking
 * capability is the same for both directions.
 */
typedef enum {
    CONT_CHARGING_DIRECTION,    /*!< Contactor is preferred opened in charge current direction */
    CONT_DISCHARGING_DIRECTION, /*!< Contactor is preferred opened in discharge current direction */
    CONT_BIDIRECTIONAL,         /*!< Contactor has no preferred way of being opened depending on the current flow */
} CONT_CURRENT_BREAKING_DIRECTION_e;
 
/** Status struct for a registry of all contactors */
typedef struct {
    CONT_ELECTRICAL_STATE_TYPE_e currentSet;    /*!< current setpoint for the contactor */
    CONT_ELECTRICAL_STATE_TYPE_e feedback;      /*!< feedback from the contactor */
    const CONT_FEEDBACK_TYPE_e feedbackPinType; /*!< type of feedback that the contactor uses */
    const BS_STRING_ID_e stringIndex;           /*!< index in which string the contactor is placed */
    const CONT_TYPE_e type;                     /*!< type of contactor */
    const SPS_CHANNEL_INDEX spsChannel;         /*!< channel index of the SPS to which this contactor is connected */
    const CONT_CURRENT_BREAKING_DIRECTION_e breakingDirection; /*!< preferred contactor opening direction */
} CONT_CONTACTOR_STATE_s;
 
/** index number of the contactor array; not to be confused with #SPS_CHANNEL_INDEX */
typedef uint8_t CONT_CONTACTOR_INDEX;
 
/** central state registry of all contactors of the system */
extern CONT_CONTACTOR_STATE_s cont_contactorStates[BS_NR_OF_CONTACTORS];
 
/*========== Extern Function Prototypes =====================================*/
 
/*========== Externalized Static Functions Prototypes (Unit Test) ===========*/
 
#endif /* FOXBMS__CONTACTOR_CFG_H_ */