bms/Application/app/protocol.h

#pragma once

#include <stdint.h>
/* ================ 老协议 ================== */
#pragma  pack (push,1)  
typedef struct
{
	//整个包大小,包含protocol_head_t
	uint8_t size;
	//命令设备
	uint8_t type;
	//协议类型
	uint8_t protocol;
	//命令类型
	uint8_t cmd;
	//命令校验
	uint16_t checksum;
	//命令处理调用
	uint8_t dir;
	//命令返回状态
	uint8_t bStatus;
}protocol_old_head_t;
#pragma pack(pop)


/* ================ 新协议 ================== */
#define MY_CAN_ADDR 0x30
#pragma  pack (push,1)  
typedef struct
{
	uint8_t can_addr:7;
	uint8_t can_dir:1; //0->out, 1 ->in，如果发现收到的是0,可能是红外那边自环过来的，需要丢弃
}can_head_t;

#define CAN_OUT(head, addr) {(head)->can_addr = addr; (head)->can_dir = 0;}
#define CAN_IN(head) ((head)->can_dir == 1)

typedef struct {
	can_head_t head;
	uint8_t key;
	uint8_t data[0];
}can_frame_t;
#pragma pack(pop)

/* can key define */
#define CAN_KEY_BMS_SET_POWER 0x0B //开关各种mos和小电流
#pragma  pack (push,1)
typedef struct {
	uint8_t discharger_fet	:1;//dis/charger mos是否打开
	uint8_t charger_fet		:1;
	uint8_t small_power		:1;//小电是否打开
	uint8_t res				:5;
}pwr_cmd_t;
#pragma pack(pop)

#define CAN_KEY_BMS_GET_STAT 0xa0 //bms_stat_t
#pragma  pack (push,1)
typedef struct {
	uint8_t insert 			:1;//是否新插入,检测到霍尔马上置为1，等CAN_KEY_BMS_CLEAR
	uint8_t health 			:1;//电池是否有异常
	uint8_t discharger_fet	:1;//dis/charger mos是否打开
	uint8_t charger_fet		:1;
	uint8_t small_power		:1;//小电是否打开
	uint8_t is_charging 	:1;//是否在充电
	uint8_t is_charger_in   :1;
	uint8_t is_balancing    :1; //是否在均衡
}stat_cmd_resp_t;
#pragma pack(pop)

#define CAN_KEY_BMS_BASE_INFO 0x00 //电压，电流，能量, SOC,max temp
#pragma  pack (push,1)
typedef struct {
	uint32_t pack_voltage;
	int32_t  pack_current;
	uint8_t  capacity;
	uint32_t energy;   //能量，给PS100/200/310/360计算续航里程用
	int8_t  max_temp;//最高的那个温度
	uint32_t cycle; //充放电循环次数
}binfo_cmd_resp_t;
#pragma pack(pop)

#define CAN_KEY_BMS_CHARG_INFO 0xa1
typedef struct {
	uint32_t charge_current;
	uint32_t charge_remain_time; //s
}cinfo_cmd_resp_t;

#define CAN_KEY_BMS_TEMPS 0x11 //return int[4]
#define CAN_KEY_BMS_GET_CELLS   0x07 //return uint16_t[15]
#define CAN_KEY_SET_LOGGER  0xa2 //byte 0:modle, byte1 level
#define CAN_KEY_BMS_CLEAR   0xa3 //clear some flags used by PSxxx, exp: stat_cmd_resp_t.insert
#define CAN_KEY_BMS_GET_HEALTH_STAT 0xa4 //return bms_health_t
#define CAN_KEY_BMS_GET_TIME      0xa5 //return bms running times(second) uint32_t
#define CAN_KEY_BMS_SET_WORK_MODE     0xa6 //byte0=mode, byte1=start/stop
#define CAN_KEY_GET_VERSION 0x0c //return string
#define CAN_KEY_SET_SN      0x06 //string
#define CAN_KEY_GET_SN      0x05 //return string


void protocol_send_bms_info(uint8_t dest, uint8_t key, uint8_t *data, int len);
void protocol_send_debug_info(uint8_t dest, uint8_t *data, int size);
void protocol_send_ack(uint8_t dest, uint8_t key, int result);