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#include "bq27220.h"
#include "bq27220_reg.h"
#include <furi_hal_delay.h>
#include <furi/log.h>
#include <stdbool.h>
#define TAG "Gauge"
uint16_t bq27220_read_word(FuriHalI2cBusHandle* handle, uint8_t address) {
uint8_t buffer[2] = {address};
uint16_t ret = 0;
if(furi_hal_i2c_trx(handle, BQ27220_ADDRESS, buffer, 1, buffer, 2, BQ27220_I2C_TIMEOUT)) {
ret = *(uint16_t*)buffer;
}
return ret;
}
bool bq27220_control(FuriHalI2cBusHandle* handle, uint16_t control) {
bool ret = false;
uint8_t buffer[3];
buffer[0] = CommandControl;
buffer[1] = control & 0xFF;
buffer[2] = (control >> 8) & 0xFF;
ret = furi_hal_i2c_tx(handle, BQ27220_ADDRESS, buffer, 3, BQ27220_I2C_TIMEOUT);
return ret;
}
uint8_t bq27220_get_checksum(uint8_t* data, uint16_t len) {
uint8_t ret = 0;
for(uint16_t i = 0; i < len; i++) {
ret += data[i];
}
return 0xFF - ret;
}
bool bq27220_set_parameter_u16(FuriHalI2cBusHandle* handle, uint16_t address, uint16_t value) {
bool ret;
uint8_t buffer[5];
buffer[0] = CommandSelectSubclass;
buffer[1] = address & 0xFF;
buffer[2] = (address >> 8) & 0xFF;
buffer[3] = (value >> 8) & 0xFF;
buffer[4] = value & 0xFF;
ret = furi_hal_i2c_tx(handle, BQ27220_ADDRESS, buffer, 5, BQ27220_I2C_TIMEOUT);
delay_us(10000);
uint8_t checksum = bq27220_get_checksum(&buffer[1], 4);
buffer[0] = CommandMACDataSum;
buffer[1] = checksum;
buffer[2] = 6;
ret = furi_hal_i2c_tx(handle, BQ27220_ADDRESS, buffer, 3, BQ27220_I2C_TIMEOUT);
delay_us(10000);
return ret;
}
bool bq27220_init(FuriHalI2cBusHandle* handle, const ParamCEDV* cedv) {
uint32_t timeout = 100;
uint16_t design_cap = bq27220_get_design_capacity(handle);
if(cedv->design_cap == design_cap) {
FURI_LOG_I(TAG, "Skip battery profile update");
return true;
}
FURI_LOG_I(TAG, "Start updating battery profile");
OperationStatus status = {};
if(!bq27220_control(handle, Control_ENTER_CFG_UPDATE)) {
FURI_LOG_E(TAG, "Can't configure update");
return false;
};
while((status.CFGUPDATE != 1) && (timeout-- > 0)) {
bq27220_get_operation_status(handle, &status);
}
bq27220_set_parameter_u16(handle, AddressGaugingConfig, cedv->cedv_conf.gauge_conf_raw);
bq27220_set_parameter_u16(handle, AddressFullChargeCapacity, cedv->full_charge_cap);
bq27220_set_parameter_u16(handle, AddressDesignCapacity, cedv->design_cap);
bq27220_set_parameter_u16(handle, AddressEMF, cedv->EMF);
bq27220_set_parameter_u16(handle, AddressC0, cedv->C0);
bq27220_set_parameter_u16(handle, AddressR0, cedv->R0);
bq27220_set_parameter_u16(handle, AddressT0, cedv->T0);
bq27220_set_parameter_u16(handle, AddressR1, cedv->R1);
bq27220_set_parameter_u16(handle, AddressTC, (cedv->TC) << 8 | cedv->C1);
bq27220_set_parameter_u16(handle, AddressStartDOD0, cedv->DOD0);
bq27220_set_parameter_u16(handle, AddressStartDOD10, cedv->DOD10);
bq27220_set_parameter_u16(handle, AddressStartDOD20, cedv->DOD20);
bq27220_set_parameter_u16(handle, AddressStartDOD30, cedv->DOD30);
bq27220_set_parameter_u16(handle, AddressStartDOD40, cedv->DOD40);
bq27220_set_parameter_u16(handle, AddressStartDOD50, cedv->DOD40);
bq27220_set_parameter_u16(handle, AddressStartDOD60, cedv->DOD60);
bq27220_set_parameter_u16(handle, AddressStartDOD70, cedv->DOD70);
bq27220_set_parameter_u16(handle, AddressStartDOD80, cedv->DOD80);
bq27220_set_parameter_u16(handle, AddressStartDOD90, cedv->DOD90);
bq27220_set_parameter_u16(handle, AddressStartDOD100, cedv->DOD100);
bq27220_set_parameter_u16(handle, AddressEDV0, cedv->EDV0);
bq27220_set_parameter_u16(handle, AddressEDV1, cedv->EDV1);
bq27220_set_parameter_u16(handle, AddressEDV2, cedv->EDV2);
bq27220_control(handle, Control_EXIT_CFG_UPDATE_REINIT);
delay_us(10000);
design_cap = bq27220_get_design_capacity(handle);
if(cedv->design_cap == design_cap) {
FURI_LOG_I(TAG, "Battery profile update success");
return true;
} else {
FURI_LOG_E(TAG, "Battery profile update failed");
return false;
}
}
uint16_t bq27220_get_voltage(FuriHalI2cBusHandle* handle) {
return bq27220_read_word(handle, CommandVoltage);
}
int16_t bq27220_get_current(FuriHalI2cBusHandle* handle) {
return bq27220_read_word(handle, CommandCurrent);
}
uint8_t bq27220_get_battery_status(FuriHalI2cBusHandle* handle, BatteryStatus* battery_status) {
uint16_t data = bq27220_read_word(handle, CommandBatteryStatus);
if(data == BQ27220_ERROR) {
return BQ27220_ERROR;
} else {
*(uint16_t*)battery_status = data;
return BQ27220_SUCCESS;
}
}
uint8_t
bq27220_get_operation_status(FuriHalI2cBusHandle* handle, OperationStatus* operation_status) {
uint16_t data = bq27220_read_word(handle, CommandOperationStatus);
if(data == BQ27220_ERROR) {
return BQ27220_ERROR;
} else {
*(uint16_t*)operation_status = data;
return BQ27220_SUCCESS;
}
}
uint16_t bq27220_get_temperature(FuriHalI2cBusHandle* handle) {
return bq27220_read_word(handle, CommandTemperature);
}
uint16_t bq27220_get_full_charge_capacity(FuriHalI2cBusHandle* handle) {
return bq27220_read_word(handle, CommandFullChargeCapacity);
}
uint16_t bq27220_get_design_capacity(FuriHalI2cBusHandle* handle) {
return bq27220_read_word(handle, CommandDesignCapacity);
}
uint16_t bq27220_get_remaining_capacity(FuriHalI2cBusHandle* handle) {
return bq27220_read_word(handle, CommandRemainingCapacity);
}
uint16_t bq27220_get_state_of_charge(FuriHalI2cBusHandle* handle) {
return bq27220_read_word(handle, CommandStateOfCharge);
}
uint16_t bq27220_get_state_of_health(FuriHalI2cBusHandle* handle) {
return bq27220_read_word(handle, CommandStateOfHealth);
}
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