/*
 * coulomb.h
 *
 *  Created on: Apr 27, 2020
 *      Author: oarap
 */

#ifndef _COULOMB_H_
#define _COULOMB_H_

#include "stdbool.h"
#include "i2c.h"
#include "stm32f1xx_hal.h"

#define COULOMB_REG_NUM 		0x18
#define COULOMB_ADDR (0x64 << 1)		//device address
//#define COULOMB_WRITE_CMD 0x00	//coulomb write command
//#define COULOMB_READ_CMD 0x01	//coulomb read command

#define LTC2943_STATUS_REG                          0x00
#define LTC2943_CONTROL_REG                         0x01
#define LTC2943_ACCUM_CHARGE_MSB_REG                0x02
#define LTC2943_ACCUM_CHARGE_LSB_REG                0x03
#define LTC2943_CHARGE_THRESH_HIGH_MSB_REG          0x04
#define LTC2943_CHARGE_THRESH_HIGH_LSB_REG          0x05
#define LTC2943_CHARGE_THRESH_LOW_MSB_REG           0x06
#define LTC2943_CHARGE_THRESH_LOW_LSB_REG           0x07
#define LTC2943_VOLTAGE_MSB_REG                     0x08
#define LTC2943_VOLTAGE_LSB_REG                     0x09
#define LTC2943_VOLTAGE_THRESH_HIGH_MSB_REG         0x0A
#define LTC2943_VOLTAGE_THRESH_HIGH_LSB_REG         0x0B
#define LTC2943_VOLTAGE_THRESH_LOW_MSB_REG          0x0C
#define LTC2943_VOLTAGE_THRESH_LOW_LSB_REG          0x0D
#define LTC2943_CURRENT_MSB_REG                     0x0E
#define LTC2943_CURRENT_LSB_REG                     0x0F
#define LTC2943_CURRENT_THRESH_HIGH_MSB_REG         0x10
#define LTC2943_CURRENT_THRESH_HIGH_LSB_REG         0x11
#define LTC2943_CURRENT_THRESH_LOW_MSB_REG          0x12
#define LTC2943_CURRENT_THRESH_LOW_LSB_REG          0x13
#define LTC2943_TEMPERATURE_MSB_REG                 0x14
#define LTC2943_TEMPERATURE_LSB_REG                 0x15
#define LTC2943_TEMPERATURE_THRESH_HIGH_REG         0x16
#define LTC2943_TEMPERATURE_THRESH_LOW_REG          0x17


typedef struct 
{//原始数据（寄存器数据）
		uint8_t status;
		uint8_t control;

		uint16_t accumulated_charge;	//剩余电量
		uint16_t charge_threshold_H;	//充电阈值上限
		uint16_t charge_threshold_L;	//充电阈值下限

		uint16_t voltage;				//电压
		uint16_t voltage_threshold_H;	//电压阈值上限
		uint16_t voltage_threshold_L;	//电压阈值下限

		uint16_t current;				//电流
		uint16_t current_threshold_H;	//电流阈值上限
		uint16_t current_threshold_L;	//电流阈值下限

		uint16_t temperature;				//温度
		uint16_t temperature_threshold_H;	//温度阈值上限(只有高字节有效)
		uint16_t temperature_threshold_L;	//温度阈值下限(只有高字节有效)
}ltc2943_raw_t;
typedef struct
{//实际数据(转换后，物理量纲)
		struct
		{
			bool current_alret;
			bool accumulated_charge_alert;
			bool temperature_alret;
			bool charge_alert_H;
			bool charge_alert_L;
			bool voltage_alert;
			bool uvlo_alert;
		}status;
		struct
		{
			uint8_t adc_mode;
			uint8_t prescaler;
			uint8_t alcc_configure;
			bool shutdown;
		}control;
		float accumulated_charge;	//Ah 剩余容量
		float charge_threshold_H;	//Ah 充电阈值上限
		float charge_threshold_L;	//Ah 充电阈值下限

		float voltage;				//V 电压
		float voltage_threshold_H;	//V 电压阈值上限
		float voltage_threshold_L;	//V 电压阈值下限

		float current;				//A 电流
		float current_threshold_H;	//A 电流阈值上限
		float current_threshold_L;	//A 电流阈值下限

		float temperature;				//℃ 温度
		float temperature_threshold_H;	//℃ 温度阈值上限
		float temperature_threshold_L;	//℃ 温度阈值下限
}ltc2943_actual_t;


typedef struct 
{
	ltc2943_raw_t raw;
	ltc2943_actual_t actual;
}ltc2943_t;

typedef struct
{
	bool ready;	//设备是否就绪
	ltc2943_t write;
	ltc2943_t read;
}coulomb_t;
extern coulomb_t coulomb;

//静态方法
static HAL_StatusTypeDef is_coulomb_ready();
static HAL_StatusTypeDef coulomb_write_reg(uint8_t addr,uint8_t* pData);
static HAL_StatusTypeDef coulomb_read_reg(uint8_t addr,uint8_t* pData);
static uint16_t uint8_to_uint16(uint8_t *pData,uint8_t msbIndex,uint8_t lsbIndex);
static uint8_t uint16_to_uint8_msb(uint16_t data);

//写配置方法
void coulomb_write_config_load();
void coulomb_write_config_actual_to_raw();
bool coulomb_write_config();
//读寄存器方法
bool coulomb_read_status_and_config();
void coulomb_read_status_raw_to_actual();
void coulomb_read_config_raw_to_actual();
bool coulomb_read_alcc();

#endif /* _COULOMB_H_ */