charge_controller_v7/adc.h

#ifndef ADC_H_
#include "ti/driverlib/dl_i2c.h"
#include "ti_msp_dl_config.h"
#include "battery.h"
#define ADC_TARGET_BASE_ADDRESS (0x68)
#define ADC_VREF_MV (2048)
#define DELAY (100000) //define timeout limit

//defining the configurations

//Maximum packet sizes
#define I2C_TX_MAX_PACKET_SIZE (16)
#define I2C_RX_MAX_PACKET_SIZE (16)

//Flag for READ and WRITE
extern volatile bool gRxComplete;
extern volatile bool gTxComplete;
extern uint8_t gTxPacket[I2C_TX_MAX_PACKET_SIZE];
extern uint8_t gRxPacket[I2C_RX_MAX_PACKET_SIZE];

/*Counters for Tx and Rx length and bytes sent*/
extern uint32_t gTxADClen, gTxADCcount;
extern uint32_t gRxADClen, gRxADCcount;

//ADC states
typedef enum{
    ADC_STATE_CONFIGURE,
    ADC_STATE_WAIT,
    ADC_STATE_READ,
    ADC_STATE_DONE
}ADC_MeasurementState;

typedef struct{
    uint8_t channel;
    uint8_t resolution;
    bool continuous;
    uint8_t gain;
} ADC_PARAMS;

uint8_t ADC_ConstructConfigBytes(ADC_PARAMS params);
void ADC_SetConfigurationBytes(ADC_PARAMS params);
bool ADC_CheckReadyBit(uint8_t slot_id, ADC_PARAMS params);
int16_t ADC_ReadData(uint8_t slot_id, ADC_PARAMS params);
void Battery_UpdateVoltage(ADC_PARAMS params);
void Battery_UpdateCurrent(ADC_PARAMS params);
void Battery_UpdateADCReading(uint8_t slot, uint8_t channel);

#endif