bq27220.h

#pragma once
 
#include <stdint.h>
#include <stdbool.h>
#include <furi_hal_i2c.h>
 
#define BQ27220_ERROR   0x0
#define BQ27220_SUCCESS 0x1
 
typedef struct {
    // Low byte, Low bit first
    bool DSG      : 1; // The device is in DISCHARGE
    bool SYSDWN   : 1; // System down bit indicating the system should shut down
    bool TDA      : 1; // Terminate Discharge Alarm
    bool BATTPRES : 1; // Battery Present detected
    bool AUTH_GD  : 1; // Detect inserted battery
    bool OCVGD    : 1; // Good OCV measurement taken
    bool TCA      : 1; // Terminate Charge Alarm
    bool RSVD     : 1; // Reserved
    // High byte, Low bit first
    bool CHGINH   : 1; // Charge inhibit
    bool FC       : 1; // Full-charged is detected
    bool OTD      : 1; // Overtemperature in discharge condition is detected
    bool OTC      : 1; // Overtemperature in charge condition is detected
    bool SLEEP    : 1; // Device is operating in SLEEP mode when set
    bool OCVFAIL  : 1; // Status bit indicating that the OCV reading failed due to current
    bool OCVCOMP  : 1; // An OCV measurement update is complete
    bool FD       : 1; // Full-discharge is detected
} BatteryStatus;
 
_Static_assert(sizeof(BatteryStatus) == 2, "Incorrect structure size");
 
typedef struct {
    // Low byte, Low bit first
    bool CALMD  : 1; 
    uint8_t SEC : 2; 
    bool EDV2   : 1; 
    bool VDQ : 1; 
    bool INITCOMP  : 1; 
    bool SMTH      : 1; 
    bool BTPINT    : 1; 
    // High byte, Low bit first
    uint8_t RSVD1  : 2;
    bool CFGUPDATE : 1; 
    uint8_t RSVD0  : 5;
} OperationStatus;
 
_Static_assert(sizeof(OperationStatus) == 2, "Incorrect structure size");
 
typedef struct BQ27220DMData BQ27220DMData;
 
bool bq27220_init(FuriHalI2cBusHandle* handle);
 
bool bq27220_apply_data_memory(FuriHalI2cBusHandle* handle, const BQ27220DMData* data_memory);
 
uint16_t bq27220_get_voltage(FuriHalI2cBusHandle* handle);
 
int16_t bq27220_get_current(FuriHalI2cBusHandle* handle);
 
bool bq27220_get_battery_status(FuriHalI2cBusHandle* handle, BatteryStatus* battery_status);
 
bool bq27220_get_operation_status(FuriHalI2cBusHandle* handle, OperationStatus* operation_status);
 
uint16_t bq27220_get_temperature(FuriHalI2cBusHandle* handle);
 
uint16_t bq27220_get_full_charge_capacity(FuriHalI2cBusHandle* handle);
 
uint16_t bq27220_get_design_capacity(FuriHalI2cBusHandle* handle);
 
uint16_t bq27220_get_remaining_capacity(FuriHalI2cBusHandle* handle);
 
uint16_t bq27220_get_state_of_charge(FuriHalI2cBusHandle* handle);
 
uint16_t bq27220_get_state_of_health(FuriHalI2cBusHandle* handle);
 
void bq27220_change_design_capacity(FuriHalI2cBusHandle* handle, uint16_t capacity);