charge_controller_MSPM0G3507/src/pi/i2c_pi_target.h

#ifndef I2C_PI_TARGET_H
#define I2C_PI_TARGET_H

#include <stdbool.h>
#include <stdint.h>
#include "src/battery_data/battery.h"

// I2C command codes
#define CMD_GET_BATTERY_STATUS        0x01       // Request battery state
#define CMD_GET_BATTERY_DATA          0x02       // Request battery data
#define CMD_SET_BATTERY_LIMIT         0x03       // SET min/max voltage, cutoff current limits

typedef struct __attribute__((packed)){
    uint16_t voltage;
    int16_t current;
    uint16_t temperature;
    uint8_t cycle_number;
    BatteryChargingState cycle_state;
} BatteryData;

typedef struct __attribute__((packed)){
    uint16_t min_voltage;
    uint16_t max_voltage;
    uint8_t charge_fraction;
    uint16_t capacitance;
    uint8_t cut_off_current;
    uint8_t previous_cycle_number;
} BatteryLimitMsg;

typedef enum{
    SUCCESS = 0x00,
    INVALID_CYCLE= 0x01,
    ERROR= 0x02
}statusResponse;

typedef struct{
    statusResponse status_response;   
}statusResponsePi;

void dynamic_gpio_addressing();
void pi_i2c_mcu();

#endif