charge_controller_v7/battery.c

#include "battery.h"

Battery batteries[NUM_SLOTS];

// Permissible charge temperature for LiIon battery is 0.0 degree Celsius to 45.0 degree Celsius
// Correct temp_threshold yet to be analyzed
#define TEMP_THRESHOLD  (460)
//#define VOLTAGE_THRESHOLD ()

uint16_t charge_change_threshold;

// for testing:
Battery batteries[NUM_SLOTS] = {
    {0, STATE_BATTERY_DETECTED, 3700, 500, 25, 3000, 4200, 2000, 10000, 80}
};

/*Initialize battery array and default parameters*/
void Battery_Init(){
    for(uint8_t i=0; i< NUM_SLOTS; i++){
    batteries[i].slot_id= i;
    batteries[i].state= STATE_EMPTY;
    batteries[i].voltage= 0;
    batteries[i].current= 0;
    batteries[i].temperature= 0;
    batteries[i].min_voltage= 0;
    batteries[i].max_voltage= 0;
    batteries[i].cut_off_current= 0;
    batteries[i].capacitance= 0;

    }
}

void Battery_SafetyCheck(uint8_t slot){
    if(slot>= NUM_SLOTS){
        return;
    }

    if (batteries[slot].temperature > TEMP_THRESHOLD){
        batteries[slot].state= STATE_OVERCHARGING;
        //How to exit? Disable the DAC channel?
    }
}