136 lines
4.2 KiB
C
136 lines
4.2 KiB
C
/*
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* coulomb.h
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*
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* Created on: Apr 27, 2020
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* Author: oarap
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*/
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#ifndef _COULOMB_H_
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#define _COULOMB_H_
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#include "stdbool.h"
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#include "i2c.h"
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#include "stm32f1xx_hal.h"
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#define COULOMB_REG_NUM 0x18
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#define COULOMB_ADDR (0x64 << 1) //device address
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//#define COULOMB_WRITE_CMD 0x00 //coulomb write command
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//#define COULOMB_READ_CMD 0x01 //coulomb read command
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#define LTC2943_STATUS_REG 0x00
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#define LTC2943_CONTROL_REG 0x01
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#define LTC2943_ACCUM_CHARGE_MSB_REG 0x02
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#define LTC2943_ACCUM_CHARGE_LSB_REG 0x03
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#define LTC2943_CHARGE_THRESH_HIGH_MSB_REG 0x04
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#define LTC2943_CHARGE_THRESH_HIGH_LSB_REG 0x05
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#define LTC2943_CHARGE_THRESH_LOW_MSB_REG 0x06
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#define LTC2943_CHARGE_THRESH_LOW_LSB_REG 0x07
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#define LTC2943_VOLTAGE_MSB_REG 0x08
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#define LTC2943_VOLTAGE_LSB_REG 0x09
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#define LTC2943_VOLTAGE_THRESH_HIGH_MSB_REG 0x0A
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#define LTC2943_VOLTAGE_THRESH_HIGH_LSB_REG 0x0B
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#define LTC2943_VOLTAGE_THRESH_LOW_MSB_REG 0x0C
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#define LTC2943_VOLTAGE_THRESH_LOW_LSB_REG 0x0D
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#define LTC2943_CURRENT_MSB_REG 0x0E
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#define LTC2943_CURRENT_LSB_REG 0x0F
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#define LTC2943_CURRENT_THRESH_HIGH_MSB_REG 0x10
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#define LTC2943_CURRENT_THRESH_HIGH_LSB_REG 0x11
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#define LTC2943_CURRENT_THRESH_LOW_MSB_REG 0x12
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#define LTC2943_CURRENT_THRESH_LOW_LSB_REG 0x13
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#define LTC2943_TEMPERATURE_MSB_REG 0x14
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#define LTC2943_TEMPERATURE_LSB_REG 0x15
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#define LTC2943_TEMPERATURE_THRESH_HIGH_REG 0x16
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#define LTC2943_TEMPERATURE_THRESH_LOW_REG 0x17
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typedef struct
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{//原始数据（寄存器数据）
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uint8_t status;
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uint8_t control;
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uint16_t accumulated_charge; //剩余电量
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uint16_t charge_threshold_H; //充电阈值上限
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uint16_t charge_threshold_L; //充电阈值下限
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uint16_t voltage; //电压
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uint16_t voltage_threshold_H; //电压阈值上限
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uint16_t voltage_threshold_L; //电压阈值下限
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uint16_t current; //电流
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uint16_t current_threshold_H; //电流阈值上限
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uint16_t current_threshold_L; //电流阈值下限
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uint16_t temperature; //温度
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uint16_t temperature_threshold_H; //温度阈值上限(只有高字节有效)
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uint16_t temperature_threshold_L; //温度阈值下限(只有高字节有效)
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}ltc2943_raw_t;
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typedef struct
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{//实际数据(转换后，物理量纲)
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struct
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{
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bool current_alret;
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bool accumulated_charge_alert;
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bool temperature_alret;
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bool charge_alert_H;
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bool charge_alert_L;
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bool voltage_alert;
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bool uvlo_alert;
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}status;
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struct
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{
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uint8_t adc_mode;
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uint8_t prescaler;
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uint8_t alcc_configure;
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bool shutdown;
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}control;
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float accumulated_charge; //Ah 剩余容量
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float charge_threshold_H; //Ah 充电阈值上限
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float charge_threshold_L; //Ah 充电阈值下限
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float voltage; //V 电压
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float voltage_threshold_H; //V 电压阈值上限
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float voltage_threshold_L; //V 电压阈值下限
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float current; //A 电流
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float current_threshold_H; //A 电流阈值上限
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float current_threshold_L; //A 电流阈值下限
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float temperature; //℃ 温度
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float temperature_threshold_H; //℃ 温度阈值上限
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float temperature_threshold_L; //℃ 温度阈值下限
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}ltc2943_actual_t;
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typedef struct
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{
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ltc2943_raw_t raw;
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ltc2943_actual_t actual;
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}ltc2943_t;
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typedef struct
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{
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bool ready; //设备是否就绪
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ltc2943_t write;
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ltc2943_t read;
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}coulomb_t;
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extern coulomb_t coulomb;
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//静态方法
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static HAL_StatusTypeDef is_coulomb_ready();
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static HAL_StatusTypeDef coulomb_write_reg(uint8_t addr,uint8_t* pData);
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static HAL_StatusTypeDef coulomb_read_reg(uint8_t addr,uint8_t* pData);
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static uint16_t uint8_to_uint16(uint8_t *pData,uint8_t msbIndex,uint8_t lsbIndex);
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static uint8_t uint16_to_uint8_msb(uint16_t data);
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//写配置方法
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void coulomb_write_config_load();
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void coulomb_write_config_actual_to_raw();
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bool coulomb_write_config();
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//读寄存器方法
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bool coulomb_read_status_and_config();
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void coulomb_read_status_raw_to_actual();
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void coulomb_read_config_raw_to_actual();
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bool coulomb_read_alcc();
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#endif /* _COULOMB_H_ */
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