bms_cfg.h

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 *
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/**
 * @file    bms_cfg.h
 * @author  foxBMS Team
 * @date    2020-02-24 (date of creation)
 * @updated 2023-02-03 (date of last update)
 * @version v1.5.0
 * @ingroup ENGINE_CONFIGURATION
 * @prefix  BMS
 *
 * @brief   bms driver configuration header
 */
 
#ifndef FOXBMS__BMS_CFG_H_
#define FOXBMS__BMS_CFG_H_
 
/*========== Includes =======================================================*/
 
#include "ftask_cfg.h"
 
#include <stdint.h>
 
/*========== Macros and Definitions =========================================*/
 
/** ID to send a message without request */
#define BMS_REQ_ID_NOREQ (0u)
 
/** ID to request the STANDBY state via CAN */
#define BMS_REQ_ID_STANDBY (3u)
 
/** ID to request the NORMAL state via CAN */
#define BMS_REQ_ID_NORMAL (1u)
 
/** ID to request the CHARGE state via CAN */
#define BMS_REQ_ID_CHARGE (2u)
 
/**
 * @brief   Functions searching for next string return this value if no further
 *          string is available */
#define BMS_NO_STRING_AVAILABLE (255u)
 
/**
 * @brief   TODO
 * @details This define MUST represent the cycle time of the task in which
 *          context the functions run, e.g., if the #BMS_Trigger() is running
 *          in the 10 ms task then the define must be set to 10.
 *          This sets the minimum time between two subsequent executed
 *          states/substates.
 *          Define is only used for compile-time assertion, it has no
 *          programatic influence on the actual code.
 */
#define BMS_STATEMACHINE_TASK_CYCLE_CONTEXT_MS (10u)
 
#if BMS_STATEMACHINE_TASK_CYCLE_CONTEXT_MS != FTSK_TASK_CYCLIC_10MS_CYCLE_TIME
#error "Invalid BMS configuration. Make sure that BMS timing is configured correctly!"
#endif
 
/**
 * @brief   BMS state machine short time definition in #BMS_Trigger() calls
 *          until next state/substate is processed
 */
#define BMS_STATEMACH_SHORTTIME (1u)
 
/**
 * @brief   BMS state machine medium time definition in #BMS_Trigger() calls
 *          until next state/substate is processed
 */
#define BMS_STATEMACH_MEDIUMTIME (5u)
 
/**
 * @brief   BMS state machine long time definition in #BMS_Trigger() calls until
 *          next state/substate is processed
 */
#define BMS_STATEMACH_LONGTIME (10u)
 
/** Time in #BMS_Trigger() calls to wait after closing any string minus or string plus contactor */
#define BMS_WAIT_TIME_AFTER_CLOSING_STRING_CONTACTOR (20u)
 
/** Time in #BMS_Trigger() calls to wait after opening any string minus or string plus contactor */
#define BMS_WAIT_TIME_AFTER_OPENING_STRING_CONTACTOR (10u)
 
/** Time in #BMS_Trigger() calls to wait between closing complete strings */
#define BMS_WAIT_TIME_BETWEEN_CLOSING_STRINGS (10u)
 
/**
 * @brief   Timeout in #BMS_Trigger() calls when closing a string after which
 *          the state machines goes to error if the string still has not closed
 */
#define BMS_STRING_CLOSE_TIMEOUT (500u)
 
/**
 * @brief   Timeout in #BMS_Trigger() calls when opening a string after which
 *          the state machines goes to error if the string still has not opened
 */
#define BMS_STRING_OPEN_TIMEOUT (1000u)
 
/**
 * @brief   Max voltage difference in mV between two strings to allow
 * closing the next string
 */
#define BMS_NEXT_STRING_VOLTAGE_LIMIT_MV (3000)
 
/** Max average string current to allow closing next string */
#define BMS_AVERAGE_STRING_CURRENT_LIMIT_MA (20000)
 
/** Delay after closing precharge in #BMS_Trigger() calls */
#define BMS_TIME_WAIT_AFTER_CLOSING_PRECHARGE (100u)
 
/** Delay after opening precharge in #BMS_Trigger() calls */
#define BMS_TIME_WAIT_AFTER_OPENING_PRECHARGE (50u)
 
/**
 * @brief   Time to wait in #BMS_Trigger() calls after precharge opened because
 *          precharge failed
 */
#define BMS_TIME_WAIT_AFTERPRECHARGEFAIL (300u)
 
/**
 * @brief   Timeout in 1*10ms to wait before re-entering to precharge
 * @details Prevents mechanical close/open timer cycle in case the control
 *          units sends incorrect state requests.
 */
#define BMS_OSCILLATION_TIMEOUT (1000u)
 
/** Number of allowed tries to close contactors */
#define BMS_PRECHARGE_TRIES (3u)
 
/** Precharge threshold limit on voltage (in mV) */
#define BMS_PRECHARGE_VOLTAGE_THRESHOLD_mV (1000LL) /* mV */
 
/** Precharge threshold limit on current (in mA) */
#define BMS_PRECHARGE_CURRENT_THRESHOLD_mA (50) /* mA */
 
/**
 * @details Time to wait after contactors opened because precharge failed in
 *          #BMS_Trigger() calls
 */
#define BMS_STATEMACH_TIMEAFTERPRECHARGEFAIL (100u)
 
/**
 * @details Timeout in #BMS_Trigger() calls when closing precharge after which
 *          the state machines goes to error if precharge still has not closed
 */
#define BMS_PRECHARGE_CLOSE_TIMEOUT (500u)
 
/**
 * @details Timeout in #BMS_Trigger() calls when opening precharge after which
 *          the state machines goes to error if precharge still has not opened
 */
#define BMS_PRECHARGE_OPEN_TIMEOUT (500u)
 
/*========== Extern Constant and Variable Declarations ======================*/
 
/*========== Extern Function Prototypes =====================================*/
 
/*========== Externalized Static Functions Prototypes (Unit Test) ===========*/
#ifdef UNITY_UNIT_TEST
#endif
 
#endif /* FOXBMS__BMS_CFG_H_ */