#ifndef DD_TEENSY_DEFS_H
#define DD_TEENSY_DEFS_H

#include <stdint.h>

// Configuration: Number of double precision values (rest will be single precision)
#define DOUBLE_COUNT        8                                 // First 8 values as doubles, remaining as floats
#define FLOAT_COUNT         ((128 - (DOUBLE_COUNT * 8)) / 4)  // Number of Float values in EEPROM

//  Structure to transmit Sensor Measurements data
struct __attribute__((packed)) sensorDataPacketStruct
{
  uint32_t sensorNum;           // Conductivity Sensor number i.e unit 1 to 6.
  float impFreq;                // Impedance Frequency
  uint32_t impDataPoints;       // Impedance Data Points. Hard coded to 1
  float impRzMag;               // Value of medianMag
  float impRzPhase;             // Value of medianPhase
  float rtdFreq;                // RTD Frequency. Hard coded to 0.0
  uint32_t rtdDataPoints;       // Impedance Data Points. Hard coded to 1
  float rtdRzMag;               // Value of rtd_resistance
  float rtdRzPhase;             // RTD Rz Phase. Hard coded to 0.0
};

// Structure to transmit EEPROM data
struct __attribute__((packed)) eepromDataPacketStruct
{
  double doubleValue[DOUBLE_COUNT];             // Double Values stored in the EEPROM
  float floatValue[FLOAT_COUNT];                // Float Values stored in the EEPROM
};

//  Structure to transmit conductivity measurement settings
struct __attribute__((packed)) measurementSettingsStruct
{
  float SinFreq;
  float DacVoltPP;
  float BiasVolt;
  uint32_t HstiaRtiaSel;
  uint32_t AdcPgaGain;
  uint32_t DftNum;
  uint32_t ADCAvgNum;
}; 

typedef enum Init_Status
{
    INIT_STATUS_UNITIALIZED = 0,
    INIT_STATUS_IN_PROGRESS,
    INIT_STATUS_INITIALIZED,
    INIT_STATUS_FAILED
};

typedef enum Update_cfg_Status
{
    UPDATE_CFG_STATUS_ERR_UNRECOGNIZED_PARAM = 0,
    UPDATE_CFG_STATUS_NO_CHANGE_TO_TIA,
    UPDATE_CFG_STATUS_NO_CHANGE_TO_PGA,
    UPDATE_CFG_STATUS_NO_CHANGE_TO_DFT_NUM,
    UPDATE_CFG_STATUS_NO_CHANGE_TO_AVG_NUM,
    UPDATE_CFG_STATUS_SUCCESS
};

// Update Measurement Settings Status
typedef enum Mst_param_idx
{
    CONDUCTIVITY_MST_PARAM_IDX_SINFREQ = 0,       ///< SinFreq : Frequency of excitation signal
    CONDUCTIVITY_MST_PARAM_IDX_DACPP,             ///< DacVoltPP : DAC output voltage in mV peak to peak. Maximum value is 800mVpp. Peak to peak voltage
    CONDUCTIVITY_MST_PARAM_IDX_BIAS,              ///< BiasVolt : The excitation signal is DC+AC. This parameter decides the DC value in mV unit. 0.0mV means no DC bias.
    CONDUCTIVITY_MST_PARAM_IDX_RTIA,              ///< HstiaRtiaSel : Valid param values ( 0, 1, 2, 3, 4, 5, 6, 7 )
    CONDUCTIVITY_MST_PARAM_IDX_PGA,               ///< AdcPgaGain : Valid param values ( 1, 1.5, 2, 4, 9 ) i.e interpreted as ( 0, 1, 2, 3, 4 ) respectively in Teensy.
    CONDUCTIVITY_MST_PARAM_IDX_DFTNUM,            ///< DftNum : DFT number  Valid param values ( 4096, 2048, 1024, 512, 256 ) i.e interpreted as ( 10, 9, 8, 7, 6 ) respectively in Teensy.
    CONDUCTIVITY_MST_PARAM_IDX_AVGNUM,            ///< ADCAvgNum : Valid param values ( 2, 4, 8, 16 )i.e interpreted as ( 0, 1, 2, 3 ) respectively in Teensy.
    MAX_CONDUCTIVITY_MST_PARAM_IDX                ///< Total number of Measurement settings parameters
};

typedef enum Update_EEPROM_Status
{
    UPDATE_EEPROM_STATUS_INVALID_CMD = 0,
    UPDATE_EEPROM_STATUS_NO_VALID_VALUES,
    UPDATE_EEPROM_STATUS_TOO_MANY_VALUES,
    UPDATE_EEPROM_STATUS_WAITING_FOR_CONFIRMATION,
    UPDATE_EEPROM_STATUS_CONFIRMATION_TIMEOUT,
    UPDATE_EEPROM_STATUS_ERR_DOUBLE_VALUES,
    UPDATE_EEPROM_STATUS_ERR_FLOAT_VALUES,
    UPDATE_EEPROM_STATUS_VALUES_VERIFIED,
    UPDATE_EEPROM_STATUS_OPERATION_ABORTED,
    UPDATE_EEPROM_STATUS_INVALID_RESPONSE,
    UPDATE_EEPROM_STATUS_SUCCESS
};

#endif