53 lines
1.6 KiB
C
53 lines
1.6 KiB
C
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/**
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******************************************************************************
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* @file otp.c
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* @author MCD Application Team
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* @brief OTP manager
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******************************************************************************
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* @attention
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*
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* Copyright (c) 2018-2021 STMicroelectronics.
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* All rights reserved.
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*
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* This software is licensed under terms that can be found in the LICENSE file
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* in the root directory of this software component.
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* If no LICENSE file comes with this software, it is provided AS-IS.
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*
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******************************************************************************
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*/
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/* Includes ------------------------------------------------------------------*/
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#include "utilities_common.h"
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#include "otp.h"
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/* Private typedef -----------------------------------------------------------*/
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/* Private defines -----------------------------------------------------------*/
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/* Private macros ------------------------------------------------------------*/
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/* Private variables ---------------------------------------------------------*/
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/* Global variables ----------------------------------------------------------*/
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/* Private function prototypes -----------------------------------------------*/
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/* Functions Definition ------------------------------------------------------*/
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uint8_t * OTP_Read( uint8_t id )
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{
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uint8_t *p_id;
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p_id = (uint8_t*)(CFG_OTP_END_ADRESS - 7) ;
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while( ((*( p_id + 7 )) != id) && ( p_id != (uint8_t*)CFG_OTP_BASE_ADDRESS) )
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{
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p_id -= 8 ;
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}
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if((*( p_id + 7 )) != id)
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{
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p_id = 0 ;
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}
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return p_id ;
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}
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