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/* -----------------------------------------------------------------------------
* Copyright (c) 2013-2014 ARM Ltd.
*
* This software is provided 'as-is', without any express or implied warranty.
* In no event will the authors be held liable for any damages arising from
* the use of this software. Permission is granted to anyone to use this
* software for any purpose, including commercial applications, and to alter
* it and redistribute it freely, subject to the following restrictions:
*
* 1. The origin of this software must not be misrepresented; you must not
* claim that you wrote the original software. If you use this software in
* a product, an acknowledgment in the product documentation would be
* appreciated but is not required.
*
* 2. Altered source versions must be plainly marked as such, and must not be
* misrepresented as being the original software.
*
* 3. This notice may not be removed or altered from any source distribution.
*
*
* $Date: 31. Mar 2014
* $Revision: V2.00
*
* Project: Flash Driver definitions
* -------------------------------------------------------------------------- */
/* History:
* Version 2.00
* Renamed driver NOR -> Flash (more generic)
* Non-blocking operation
* Added Events, Status and Capabilities
* Linked Flash information (GetInfo)
* Version 1.11
* Changed prefix ARM_DRV -> ARM_DRIVER
* Version 1.10
* Namespace prefix ARM_ added
* Version 1.00
* Initial release
*/
#ifndef __DRIVER_FLASH_H
#define __DRIVER_FLASH_H
#include "Driver_Common.h"
#define ARM_FLASH_API_VERSION ARM_DRIVER_VERSION_MAJOR_MINOR(2,00) /* API version */
#define _ARM_Driver_Flash_(n) Driver_Flash##n
#define ARM_Driver_Flash_(n) _ARM_Driver_Flash_(n)
#define ARM_FLASH_SECTOR_INFO(addr,size) { (addr), (addr)+(size)-1 }
/**
\brief Flash Sector information
*/
typedef struct _ARM_FLASH_SECTOR {
uint32_t start; ///< Sector Start address
uint32_t end; ///< Sector End address (start+size-1)
} const ARM_FLASH_SECTOR;
/**
\brief Flash information
*/
typedef struct _ARM_FLASH_INFO {
ARM_FLASH_SECTOR *sector_info; ///< Sector layout information (NULL=Uniform sectors)
uint32_t sector_count; ///< Number of sectors
uint32_t sector_size; ///< Uniform sector size in bytes (0=sector_info used)
uint32_t page_size; ///< Optimal programming page size in bytes
uint32_t program_unit; ///< Smallest programmable unit in bytes
uint8_t erased_value; ///< Contents of erased memory (usually 0xFF)
} const ARM_FLASH_INFO;
/**
\brief Flash Status
*/
typedef struct _ARM_FLASH_STATUS {
uint32_t busy : 1; ///< Flash busy flag
uint32_t error : 1; ///< Read/Program/Erase error flag (cleared on start of next operation)
} ARM_FLASH_STATUS;
/****** Flash Event *****/
#define ARM_FLASH_EVENT_READY (1UL << 0) ///< Flash Ready
#define ARM_FLASH_EVENT_ERROR (1UL << 1) ///< Read/Program/Erase Error
// Function documentation
/**
\fn ARM_DRIVER_VERSION ARM_Flash_GetVersion (void)
\brief Get driver version.
\return \ref ARM_DRIVER_VERSION
*/
/**
\fn ARM_FLASH_CAPABILITIES ARM_Flash_GetCapabilities (void)
\brief Get driver capabilities.
\return \ref ARM_FLASH_CAPABILITIES
*/
/**
\fn int32_t ARM_Flash_Initialize (ARM_Flash_SignalEvent_t cb_event)
\brief Initialize the Flash Interface.
\param[in] cb_event Pointer to \ref ARM_Flash_SignalEvent
\return \ref execution_status
*/
/**
\fn int32_t ARM_Flash_Uninitialize (void)
\brief De-initialize the Flash Interface.
\return \ref execution_status
*/
/**
\fn int32_t ARM_Flash_PowerControl (ARM_POWER_STATE state)
\brief Control the Flash interface power.
\param[in] state Power state
\return \ref execution_status
*/
/**
\fn int32_t ARM_Flash_ReadData (uint32_t addr, void *data, uint32_t cnt)
\brief Read data from Flash.
\param[in] addr Data address.
\param[out] data Pointer to a buffer storing the data read from Flash.
\param[in] cnt Number of data items to read.
\return number of data items read or \ref execution_status
*/
/**
\fn int32_t ARM_Flash_ProgramData (uint32_t addr, const void *data, uint32_t cnt)
\brief Program data to Flash.
\param[in] addr Data address.
\param[in] data Pointer to a buffer containing the data to be programmed to Flash.
\param[in] cnt Number of data items to program.
\return number of data items programmed or \ref execution_status
*/
/**
\fn int32_t ARM_Flash_EraseSector (uint32_t addr)
\brief Erase Flash Sector.
\param[in] addr Sector address
\return \ref execution_status
*/
/**
\fn int32_t ARM_Flash_EraseChip (void)
\brief Erase complete Flash.
Optional function for faster full chip erase.
\return \ref execution_status
*/
/**
\fn ARM_FLASH_STATUS ARM_Flash_GetStatus (void)
\brief Get Flash status.
\return Flash status \ref ARM_FLASH_STATUS
*/
/**
\fn ARM_FLASH_INFO * ARM_Flash_GetInfo (void)
\brief Get Flash information.
\return Pointer to Flash information \ref ARM_FLASH_INFO
*/
/**
\fn void ARM_Flash_SignalEvent (uint32_t event)
\brief Signal Flash event.
\param[in] event Event notification mask
\return none
*/
typedef void (*ARM_Flash_SignalEvent_t) (uint32_t event); ///< Pointer to \ref ARM_Flash_SignalEvent : Signal Flash Event.
/**
\brief Flash Driver Capabilities.
*/
typedef struct _ARM_FLASH_CAPABILITIES {
uint32_t event_ready : 1; ///< Signal Flash Ready event
uint32_t data_width : 2; ///< Data width: 0=8-bit, 1=16-bit, 2=32-bit
uint32_t erase_chip : 1; ///< Supports EraseChip operation
} ARM_FLASH_CAPABILITIES;
/**
\brief Access structure of the Flash Driver
*/
typedef struct _ARM_DRIVER_FLASH {
ARM_DRIVER_VERSION (*GetVersion) (void); ///< Pointer to \ref ARM_Flash_GetVersion : Get driver version.
ARM_FLASH_CAPABILITIES (*GetCapabilities)(void); ///< Pointer to \ref ARM_Flash_GetCapabilities : Get driver capabilities.
int32_t (*Initialize) (ARM_Flash_SignalEvent_t cb_event); ///< Pointer to \ref ARM_Flash_Initialize : Initialize Flash Interface.
int32_t (*Uninitialize) (void); ///< Pointer to \ref ARM_Flash_Uninitialize : De-initialize Flash Interface.
int32_t (*PowerControl) (ARM_POWER_STATE state); ///< Pointer to \ref ARM_Flash_PowerControl : Control Flash Interface Power.
int32_t (*ReadData) (uint32_t addr, void *data, uint32_t cnt); ///< Pointer to \ref ARM_Flash_ReadData : Read data from Flash.
int32_t (*ProgramData) (uint32_t addr, const void *data, uint32_t cnt); ///< Pointer to \ref ARM_Flash_ProgramData : Program data to Flash.
int32_t (*EraseSector) (uint32_t addr); ///< Pointer to \ref ARM_Flash_EraseSector : Erase Flash Sector.
int32_t (*EraseChip) (void); ///< Pointer to \ref ARM_Flash_EraseChip : Erase complete Flash.
ARM_FLASH_STATUS (*GetStatus) (void); ///< Pointer to \ref ARM_Flash_GetStatus : Get Flash status.
ARM_FLASH_INFO * (*GetInfo) (void); ///< Pointer to \ref ARM_Flash_GetInfo : Get Flash information.
} const ARM_DRIVER_FLASH;
#endif /* __DRIVER_FLASH_H */
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