/**********************************************************************//**
 *
 *  Copyright (c) 2019-2020 Diality Inc. - All Rights Reserved.
 *
 *  THIS CODE MAY NOT BE COPIED OR REPRODUCED IN ANY FORM, IN PART OR IN
 *  WHOLE, WITHOUT THE EXPLICIT PERMISSION OF THE COPYRIGHT OWNER.
 *
 *  @file TemperatureSensors.c
 *
 *  @date 7-Apr-2020
 *  @author Dara Navaei
 *
 *  @brief DG temperature sensors controller
 *
 **************************************************************************/

#include "TemperatureSensors.h"
#include "FPGA.h"

// Private variables

//TODO sensor ADC ranges as #define
//TODO sensor ADC to conversion as #define

typedef enum tempSensors_Self_Test_States
{
    TEMPSENSORS_SELF_TEST_START = 0,
    TEMPSENSORS_SELF_TEST_ADC_CHECK,
    TEMPSENSORS_SELF_TEST_CONSISTENCY_CHECK,
    TEMPSENSORS_SELF_TEST_COMPLETE,
    NUM_OF_TEMPSENSORS_SELF_TEST_STATES
} TEMPSENSORS_SELF_TEST_STATES_T;

typedef enum tempSensors_Exec_States
{
    TEMPSENSORS_EXEC_STATE_WAIT_FOR_POST = 0,
    TEMPSENSROS_EXEC_STATE_READ_SENSORS,
    NUM_OF_TEMPSENSORS_EXEC_STATES,
} TEMPSENSORS_EXEC_STATES_T;


static SELF_TEST_STATUS_T tempSensorsSelfTestResult = SELF_TEST_STATUS_IN_PROGRESS;   ///< Self test result of the TemperatureSensors module
static TEMPSENSORS_SELF_TEST_STATES_T tempSensorsSelfTestState = TEMPSENSORS_SELF_TEST_START; ///< TemperatureSensor self test state
static TEMPSENSORS_EXEC_STATES_T tempSensorsExecState = TEMPSENSORS_EXEC_STATE_WAIT_FOR_POST; ///< TemperatureSensor exec state

// Private functions prototypes

static TEMPSENSORS_SELF_TEST_STATES_T handleSelfTestStart ( void );
static TEMPSENSORS_SELF_TEST_STATES_T handleSelfTestADCCheck ( void );
static TEMPSENSORS_SELF_TEST_STATES_T handleSelfTestConsistencyCheck ( void );

static TEMPSENSORS_EXEC_STATES_T handleExecWaitForPost ( void );
static TEMPSENSORS_EXEC_STATES_T handleExecReadSensors ( void );

// Public functions

/*************************************************************************
 * @brief initTemperatureSensors
 * The initTemperatureSensors initializes the module
 * @details
 * Inputs : none
 * Outputs : none
 * @param none
 * @return none
 *************************************************************************/
void initTemperatureSensors ( void )
{
    tempSensorsSelfTestResult = SELF_TEST_STATUS_IN_PROGRESS;
    tempSensorsSelfTestState  = TEMPSENSORS_SELF_TEST_START;
    tempSensorsExecState      = TEMPSENSORS_EXEC_STATE_WAIT_FOR_POST;

}

/*************************************************************************
 * @brief execTemperatureSensorsSelfTest
 * The execTemperatureSensorsSelfTest runs the TemperatureSensors POST
 * during the self test
 * @details
 * Inputs : none
 * Outputs : SELF_TEST_STATUS_T
 * @param none
 * @return SELF_TEST_STATUS_T
 *************************************************************************/
SELF_TEST_STATUS_T execTemperatureSensorsSelfTest ( void )
{
    switch ( tempSensorsSelfTestState )
    {
        case TEMPSENSORS_SELF_TEST_START:

            tempSensorsSelfTestState = handleSelfTestStart();
            break;

        case TEMPSENSORS_SELF_TEST_ADC_CHECK:

            tempSensorsSelfTestState = handleSelfTestADCCheck();
            break;

        case TEMPSENSORS_SELF_TEST_CONSISTENCY_CHECK:

            tempSensorsSelfTestState = handleSelfTestConsistencyCheck();
            break;

        case TEMPSENSORS_SELF_TEST_COMPLETE:

            // Done with self test, do nothing
            break;

        default:
            //TODO add software fault
            tempSensorsSelfTestState = TEMPSENSORS_SELF_TEST_COMPLETE;
    }

    return tempSensorsSelfTestResult;
}

/*************************************************************************
 * @brief execTemperatureSensors
 * The execTemperatureSensors runs the TemperatureSensors main tasks
 * @details
 * Inputs : none
 * Outputs : none
 * @param none
 * @return none
 *************************************************************************/
void execTemperatureSensors ( void )
{
    switch ( tempSensorsExecState )
    {
        case TEMPSENSORS_EXEC_STATE_WAIT_FOR_POST:

            break;

        case TEMPSENSROS_EXEC_STATE_READ_SENSORS:
            // task priority
            // overwrite structure for the sensors
            break;

        default:
            // TODO add software fault
            tempSensorsExecState = TEMPSENSROS_EXEC_STATE_READ_SENSORS;
    }

}