/** ****************************************************************************** * @file stm32469i_discovery_eeprom.h * @author MCD Application Team * @brief This file contains all the functions prototypes for * the stm32469i_discovery_eeprom.c firmware driver. ****************************************************************************** * @attention * * Copyright (c) 2017 STMicroelectronics. * All rights reserved. * * This software is licensed under terms that can be found in the LICENSE file * in the root directory of this software component. * If no LICENSE file comes with this software, it is provided AS-IS. * ****************************************************************************** */ /* Define to prevent recursive inclusion -------------------------------------*/ #ifndef __STM32F469I_DISCOVERY_EEPROM_H #define __STM32F469I_DISCOVERY_EEPROM_H #ifdef __cplusplus extern "C" { #endif /* Includes ------------------------------------------------------------------*/ #include "stm32469i_discovery.h" /** @addtogroup BSP * @{ */ /** @addtogroup STM32469I_Discovery * @{ */ /** @addtogroup STM32469I-Discovery_EEPROM * @brief This file includes the I2C EEPROM driver of STM32469I-Discovery board. * @{ */ /** @defgroup STM32469I-Discovery_EEPROM_Exported_Types STM32469I Discovery EEPROM Exported Types * @{ */ /** * @} */ /** @defgroup STM32469I-Discovery_EEPROM_Exported_Constants STM32469I Discovery EEPROM Exported Constants * @{ */ /* EEPROM hardware address and page size */ #define EEPROM_PAGESIZE ((uint8_t)4) #define EEPROM_MAX_SIZE ((uint16_t)0x2000) /* 64Kbit */ /* Maximum Timeout values for flags and events waiting loops. This timeout is based on systick set to 1ms*/ /* Timeout for read based if read all the EEPROM : EEPROM_MAX_SIZE * I2C_SPEED (640ms) */ #define EEPROM_READ_TIMEOUT ((uint32_t)(1000)) /* Timeout for write based on max write which is EEPROM_PAGESIZE bytes: EEPROM_PAGESIZE * I2C_SPEED (320us) */ #define EEPROM_WRITE_TIMEOUT ((uint32_t)(10)) /* Maximum number of trials for EEPROM_WaitEepromStandbyState() function */ #define EEPROM_MAX_TRIALS 3000 #define EEPROM_OK 0 #define EEPROM_FAIL 1 #define EEPROM_TIMEOUT 2 /** * @} */ /** @defgroup STM32469I-Discovery_EEPROM_Exported_Macros STM32469I Discovery EEPROM Exported Macros * @{ */ /** * @} */ /** @defgroup STM32469I-Discovery_EEPROM_Exported_Functions STM32469I Discovery EEPROM Exported Functions * @{ */ uint32_t BSP_EEPROM_Init(void); uint8_t BSP_EEPROM_DeInit(void); uint32_t BSP_EEPROM_ReadBuffer(uint8_t* pBuffer, uint16_t ReadAddr, uint16_t* NumByteToRead); uint32_t BSP_EEPROM_WritePage(uint8_t* pBuffer, uint16_t WriteAddr, uint8_t* NumByteToWrite); uint32_t BSP_EEPROM_WriteBuffer(uint8_t* pBuffer, uint16_t WriteAddr, uint16_t NumByteToWrite); uint32_t BSP_EEPROM_WaitEepromStandbyState(void); /* USER Callbacks: This function is declared as __weak in EEPROM driver and should be implemented into user application. BSP_EEPROM_TIMEOUT_UserCallback() function is called whenever a timeout condition occure during communication (waiting on an event that doesn't occur, bus errors, busy devices ...). */ void BSP_EEPROM_TIMEOUT_UserCallback(void); /* Link function for I2C EEPROM peripheral */ void EEPROM_IO_Init(void); HAL_StatusTypeDef EEPROM_IO_WriteData(uint16_t DevAddress, uint16_t MemAddress, uint8_t *pBuffer, uint32_t BufferSize); HAL_StatusTypeDef EEPROM_IO_ReadData(uint16_t DevAddress, uint16_t MemAddress, uint8_t *pBuffer, uint32_t BufferSize); HAL_StatusTypeDef EEPROM_IO_IsDeviceReady(uint16_t DevAddress, uint32_t Trials); /** * @} */ /** * @} */ /** * @} */ /** * @} */ #ifdef __cplusplus } #endif #endif /* __STM32F469I_DISCOVERY_EEPROM_H */