#ifndef _BMS_STATE_H__
#define _BMS_STATE_H__
#include "bsp/shark_bsp.h"
#include "libs/shark_libs.h"
#ifndef BIT
#define BIT(x)                       ((uint32_t)((uint32_t)0x01U<<(x)))
#endif
#ifndef BITS
#define BITS(start, end)             ((0xFFFFFFFFUL << (start)) & (0xFFFFFFFFUL >> (31U - (uint32_t)(end))))
#endif

#define BATT_USED_BY_NONE       0
#define BATT_USED_BY_MOTOR_BIKE 1
#define BATT_USED_BY_CHARGER_DOCKER 2
#define HATT_USED_BY_CHARGER_BOX 3

#define MIN_START_CHARGER_CURRENT 5 //ma, 如果有正向超过 MIN_START_CHARGER_CURRENT的电流，认为在充电
//#define MIN_START_LOADING_CURRENT 2  //ma, 如果有反向小于 MIN_START_LOADING_CURRENT的电流，认为在放电
#define MAX_DIFF_BETWEEN_MIN_MAX_CELL 150 //0.15v ,压差超过这个值，开始balance
#define MIN_DIFF_BETWEEN_MIN_MAX_CELL 050 //0.05v, 牙差低于这个数据，停止balance
#define CELL_FUSION_VOLTAGE      3500 //LFP电池在3.5v的时候，开始发散，需要判断是否要balance
#define SMALL_CURRENT_MIN_VOLTAGE (16.0f * 1000.0f) //判断小电流是否真实短路的，端口最小电压


typedef struct{
	uint16_t charging: 1;
	uint16_t pack_balancing:1;
	uint16_t pack_voltage; //电池包的总电压
	uint16_t cell_max_vol;
	uint16_t cell_min_vol;
	uint8_t  cell_index_of_max_vol;
	int      used_by;//where this battery is used for: on motor, on charger docker, on charger box, NONE
	uint32_t user_request;
}bms_state_t;

#define USER_REQUEST_PENDING BIT(31) //是否有用户请求
#define USER_REQUEST_CHARGER BIT(0)
#define USER_REQUEST_DISCHARGER BIT(1)
#define USER_REQUEST_SMALLCURRENT BIT(2)

typedef struct {
	shark_timer_t _timer;
	int count;
	int max_count;
	int interval;
}debounce_timer_t;

typedef struct {
	int count;
	int max_count;
	int init_count;
}debounce_t;

/* 充电充满判断OK前,需要经过balance 的判断再决定是否告知充电完成,判断balance前soc会一直在99% 
 * balance 的时候，不会停止充电，soc一直99%，推出balance后，soc直接到100%
*/
typedef enum {
	charger_full_fsm_start = 0,
	charger_full_fsm_check_balance,
	charger_full_fsm_end_balance,
	charger_full_fsm_full
}charger_full_fsm_t;

#define debounce_reach_max(dt) (dt.count >= dt.max_count)
#define debounce_reach_zero(dt) (dt.count == 0)
#define debounce_reset(dt) {dt.count = dt.init_count;}
#define debounce_set_count(dt, c) {dt.count = c;}
#define debounce_inc(dt) {if (dt.count < dt.max_count) dt.count++;}
#define debounce_dec(dt) {if (dt.count > 0) dt.count--;}
void bms_state_init(void);
bms_state_t * bms_state_get(void);

#endif /* _BMS_STATE_H__ */