/**
******************************************************************************
* @file m24lr64.c
* @author MCD Application Team
* @brief This file provides a set of functions to interface with the M24LR64
* device.
******************************************************************************
* @attention
*
*
© Copyright (c) 2019 STMicroelectronics.
* All rights reserved.
*
* This software component is licensed by ST under BSD 3-Clause license,
* the "License"; You may not use this file except in compliance with the
* License. You may obtain a copy of the License at:
* opensource.org/licenses/BSD-3-Clause
*
******************************************************************************
*/
/* Includes ------------------------------------------------------------------*/
#include "m24lr64.h"
/** @addtogroup BSP
* @{
*/
/** @addtogroup Components
* @{
*/
/** @defgroup M24LR64 M24LR64
* @{
*/
/** @defgroup M24LR64_Private_Types M24LR64 Private Types
* @{
*/
M24LR64_EEPROM_Drv_t M24LR64_EEPROM_Driver =
{
M24LR64_Init,
M24LR64_DeInit,
M24LR64_Write,
M24LR64_Read,
M24LR64_IsReady
};
/**
* @}
*/
/** @defgroup M24LR64_Private_FunctionPrototypes M24LR64 Private Function Prototypes
* @{
*/
static int32_t M24LR64_ReadWrap(void *handle, uint16_t Addr, uint8_t* Data, uint16_t Length);
static int32_t M24LR64_WriteWrap(void *handle, uint16_t Addr, uint8_t* Data, uint16_t Length);
static int32_t M24LR64_IsReadyWrap(void *handle, uint32_t Trials);
/**
* @}
*/
/** @defgroup M24LR64_Private_Functions M24LR64 Private Functions
* @{
*/
/**
* @brief Function
* @param Component object pointer
* @retval Component status
*/
int32_t M24LR64_RegisterBusIO (M24LR64_Object_t *pObj, M24LR64_IO_t *pIO)
{
int32_t ret;
if(pObj == NULL)
{
ret = M24LR64_ERROR;
}
else
{
pObj->IO.Init = pIO->Init;
pObj->IO.DeInit = pIO->DeInit;
pObj->IO.Address = pIO->Address;
pObj->IO.Write = pIO->Write;
pObj->IO.Read = pIO->Read;
pObj->IO.IsReady = pIO->IsReady;
pObj->Ctx.Read = M24LR64_ReadWrap;
pObj->Ctx.Write = M24LR64_WriteWrap;
pObj->Ctx.IsReady = M24LR64_IsReadyWrap;
pObj->Ctx.handle = pObj;
if(pObj->IO.Init != NULL)
{
ret = pObj->IO.Init();
}
else
{
ret = M24LR64_ERROR;
}
}
return ret;
}
/**
* @brief Initializes the M24LR64 EEPROM component.
* @param pObj M24LR64 object
* @retval Component status
*/
int32_t M24LR64_Init(M24LR64_Object_t *pObj)
{
if(pObj->IsInitialized != 1U)
{
pObj->IO.Init();
pObj->IsInitialized = 0;
}
return M24LR64_OK;
}
/**
* @brief DeInitializes the M24LR64 EEPROM component.
* @param pObj M24LR64 object
* @retval Component status
*/
int32_t M24LR64_DeInit(M24LR64_Object_t *pObj)
{
if(pObj->IsInitialized != 0U)
{
pObj->IsInitialized = 1;
}
return M24LR64_OK;
}
/**
* @brief DeInitializes the M24LR64 EEPROM component.
* @param pObj M24LR64 object
* @retval Component status
*/
int32_t M24LR64_Write(M24LR64_Object_t *pObj, uint16_t Addr, uint8_t *Data, uint16_t Length)
{
return pObj->Ctx.Write(pObj->Ctx.handle, Addr, Data, Length);
}
/**
* @brief DeInitializes the M24LR64 EEPROM component.
* @param pObj M24LR64 object
* @retval Component status
*/
int32_t M24LR64_Read(M24LR64_Object_t *pObj, uint16_t Addr, uint8_t *Data, uint16_t Length)
{
return pObj->Ctx.Read(pObj->Ctx.handle, Addr, Data, Length);
}
/**
* @brief Check if the M24LR64 EEPROM component is ready.
* @param pObj M24LR64 object
* @param Trials The number of trials before returning a timeout error
* @retval Component status
*/
int32_t M24LR64_IsReady(M24LR64_Object_t *pObj, uint32_t Trials)
{
return pObj->Ctx.IsReady(pObj->Ctx.handle, Trials);
}
/**
* @}
*/
/** @addtogroup M24LR64_Private_FunctionPrototypes
* @{
*/
/**
* @brief Wrap component ReadReg to Bus Read function
* @param handle Component object handle
* @param Addr The target address to read
* @param pData The target register value to be written
* @param Length Buffer size to be written
* @retval Component status
*/
static int32_t M24LR64_ReadWrap(void *handle, uint16_t Addr, uint8_t* pData, uint16_t Length)
{
M24LR64_Object_t *pObj = (M24LR64_Object_t *)handle;
return pObj->IO.Read(pObj->IO.Address, Addr, pData, Length);
}
/**
* @brief Wrap component WriteReg to Bus Write function
* @param handle Component object handle
* @param Addr The target address to write
* @param pData The target register value to be written
* @param Length Buffer size to be written
* @retval Component status
*/
static int32_t M24LR64_WriteWrap(void *handle, uint16_t Addr, uint8_t* pData, uint16_t Length)
{
M24LR64_Object_t *pObj = (M24LR64_Object_t *)handle;
return pObj->IO.Write(pObj->IO.Address, Addr, pData, Length);
}
/**
* @brief Wrap component IsReady to Bus IsReady function
* @param handle Component object handle
* @param Trials The number of trials before returning a timeout error
* @retval Component status
*/
static int32_t M24LR64_IsReadyWrap(void *handle, uint32_t Trials)
{
M24LR64_Object_t *pObj = (M24LR64_Object_t *)handle;
return pObj->IO.IsReady(pObj->IO.Address, Trials);
}
/**
* @}
*/
/**
* @}
*/
/**
* @}
*/
/**
* @}
*/
/******************* (C) COPYRIGHT STMicroelectronics *****END OF FILE****/