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54 lines
1.7 KiB
C
54 lines
1.7 KiB
C
/**
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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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* <h2><center>© Copyright (c) 2019 STMicroelectronics.
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* All rights reserved.</center></h2>
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*
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* This software component is licensed by ST under BSD 3-Clause license,
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* the "License"; You may not use this file except in compliance with the
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* License. You may obtain a copy of the License at:
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* opensource.org/licenses/BSD-3-Clause
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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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/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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