/**
*   @copyright       © 2026 Microchip Technology Inc.
    Microchip Technology Inc. and its subsidiaries. You may use this
    software and any derivatives exclusively with Microchip products.

    THIS SOFTWARE IS SUPPLIED BY MICROCHIP "AS IS". NO WARRANTIES, WHETHER
    EXPRESS, IMPLIED OR STATUTORY, APPLY TO THIS SOFTWARE, INCLUDING ANY IMPLIED
    WARRANTIES OF NON-INFRINGEMENT, MERCHANTABILITY, AND FITNESS FOR A
    PARTICULAR PURPOSE, OR ITS INTERACTION WITH MICROCHIP PRODUCTS, COMBINATION
    WITH ANY OTHER PRODUCTS, OR USE IN ANY APPLICATION.

    IN NO EVENT WILL MICROCHIP BE LIABLE FOR ANY INDIRECT, SPECIAL, PUNITIVE,
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    WHATSOEVER RELATED TO THE SOFTWARE, HOWEVER CAUSED, EVEN IF MICROCHIP HAS
    BEEN ADVISED OF THE POSSIBILITY OR THE DAMAGES ARE FORESEEABLE. TO THE
    FULLEST EXTENT ALLOWED BY LAW, MICROCHIP'S TOTAL LIABILITY ON ALL CLAIMS IN
    ANY WAY RELATED TO THIS SOFTWARE WILL NOT EXCEED THE AMOUNT OF FEES, IF ANY,
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*
*************************************************************************/

/**
 *  @file       diag_flash_integrity_practice.c
 *  @version    1.0
 *  @brief      This file has the implementation for the FLASH integrity 
 *		        practice diagnostics. @see diag_flash.h
 *
 *************************************************************************/

#include <xc.h>
#include <stddef.h>
#include "diag_flash.h"

extern uint32_t diagFlashModeEnabled;

uint32_t DIAG_FLASH_IntegrityReadPractice(uint32_t *location)
{
    volatile uint32_t readData;
    uint32_t statusSingleError;
    uint32_t statusDoubleError;
    uint32_t status;
    
	if(location != NULL)
	{
		/*LDRA_EXCLUDE 151 D: <justification start> This variable is updated as per the design, violation ignored <justification end> */
		//Enable the global variable to indicate diagnostic mode is enabled
		diagFlashModeEnabled = 1U;
		
		/*LDRA_EXCLUDE 105 D: <justification start> This variable is updated as per the design, violation ignored <justification end> */
		readData = *location;
        /*Dummy Reassignment to handle warnings */     
        readData = readData;
		
		//Get the status of the single and double bit errors
		statusSingleError = (uint32_t)NVMECCSTATbits.SEC;
		statusDoubleError = (uint32_t)NVMECCSTATbits.DED;
		
		if((statusSingleError == 1U) || (statusDoubleError == 1U))
		{
			status = DIAG_FAIL;
		}
		else
		{
			status = DIAG_PASS;
		}
		
		/*LDRA_EXCLUDE 151 D: <justification start> This variable is updated as per the design, violation ignored <justification end> */
		//Disable the global variable to indicate diagnostic mode is completed
		diagFlashModeEnabled = 0U;
	}
	else
	{
		status = DIAG_INVALID_PARAM;
	}
    return status;
}
