266 lines
8.8 KiB
C
266 lines
8.8 KiB
C
/**
|
|
* \file
|
|
*
|
|
* \brief FLASH related functionality declaration.
|
|
*
|
|
* Copyright (c) 2015-2018 Microchip Technology Inc. and its subsidiaries.
|
|
*
|
|
* \asf_license_start
|
|
*
|
|
* \page License
|
|
*
|
|
* Subject to your compliance with these terms, you may use Microchip
|
|
* software and any derivatives exclusively with Microchip products.
|
|
* It is your responsibility to comply with third party license terms applicable
|
|
* to your use of third party software (including open source software) that
|
|
* may accompany Microchip software.
|
|
*
|
|
* THIS SOFTWARE IS SUPPLIED BY MICROCHIP "AS IS". NO WARRANTIES,
|
|
* WHETHER EXPRESS, IMPLIED OR STATUTORY, APPLY TO THIS SOFTWARE,
|
|
* INCLUDING ANY IMPLIED WARRANTIES OF NON-INFRINGEMENT, MERCHANTABILITY,
|
|
* AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT WILL MICROCHIP BE
|
|
* LIABLE FOR ANY INDIRECT, SPECIAL, PUNITIVE, INCIDENTAL OR CONSEQUENTIAL
|
|
* LOSS, DAMAGE, COST OR EXPENSE OF ANY KIND WHATSOEVER RELATED TO THE
|
|
* SOFTWARE, HOWEVER CAUSED, EVEN IF MICROCHIP HAS BEEN ADVISED OF THE
|
|
* POSSIBILITY OR THE DAMAGES ARE FORESEEABLE. TO THE FULLEST EXTENT
|
|
* ALLOWED BY LAW, MICROCHIP'S TOTAL LIABILITY ON ALL CLAIMS IN ANY WAY
|
|
* RELATED TO THIS SOFTWARE WILL NOT EXCEED THE AMOUNT OF FEES, IF ANY,
|
|
* THAT YOU HAVE PAID DIRECTLY TO MICROCHIP FOR THIS SOFTWARE.
|
|
*
|
|
* \asf_license_stop
|
|
*
|
|
*/
|
|
#ifndef _HPL_FLASH_H_INCLUDED
|
|
#define _HPL_FLASH_H_INCLUDED
|
|
|
|
/**
|
|
* \addtogroup hpl__flash__group FLASH HPL APIs
|
|
*
|
|
*/
|
|
|
|
/**@{*/
|
|
|
|
#include <compiler.h>
|
|
#include "hpl_irq.h"
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
/**
|
|
* \brief FLASH device structure
|
|
*
|
|
* The FLASH device structure forward declaration.
|
|
*/
|
|
struct _flash_device;
|
|
|
|
/** The callback types */
|
|
enum _flash_cb_type { FLASH_DEVICE_CB_READY, FLASH_DEVICE_CB_ERROR, FLASH_DEVICE_CB_N };
|
|
|
|
/**
|
|
* \brief FLASH interrupt handlers structure
|
|
*/
|
|
struct _flash_callback {
|
|
/** Ready to accept new command handler */
|
|
void (*ready_cb)(struct _flash_device *device);
|
|
/** Error handler */
|
|
void (*error_cb)(struct _flash_device *device);
|
|
};
|
|
|
|
/**
|
|
* \brief FLASH descriptor device structure.
|
|
*/
|
|
struct _flash_device {
|
|
struct _flash_callback flash_cb; /*!< Interrupt handers */
|
|
struct _irq_descriptor irq; /*!< Interrupt descriptor */
|
|
void * hw; /*!< Hardware module instance handler */
|
|
};
|
|
|
|
/**
|
|
* \brief Initialize FLASH.
|
|
*
|
|
* This function does low level FLASH configuration.
|
|
*
|
|
* \param[in] device The pointer to FLASH device instance
|
|
* \param[in] hw The pointer to hardware instance
|
|
*
|
|
* \return Initialize status.
|
|
*/
|
|
int32_t _flash_init(struct _flash_device *const device, void *const hw);
|
|
|
|
/**
|
|
* \brief Deinitialize FLASH.
|
|
*
|
|
* \param[in] device The pointer to FLASH device instance
|
|
*/
|
|
void _flash_deinit(struct _flash_device *const device);
|
|
|
|
/**
|
|
* \brief Reads a number of bytes in the internal Flash.
|
|
*
|
|
* \param[in] device The pointer to FLASH device instance
|
|
* \param[in] src_addr Source bytes address to read from flash
|
|
* \param[out] buffer Pointer to a buffer where the content
|
|
* of the read page will be stored
|
|
* \param[in] length Number of bytes to read
|
|
*/
|
|
void _flash_read(struct _flash_device *const device, const uint32_t src_addr, uint8_t *buffer, uint32_t length);
|
|
|
|
/**
|
|
* \brief Writes a number of bytes in the internal Flash.
|
|
*
|
|
* \param[in] device The pointer to FLASH device instance
|
|
* \param[in] dst_addr Destination bytes address to write into flash
|
|
* \param[in] buffer Pointer to buffer where the data to
|
|
* write is stored
|
|
* \param[in] length Number of bytes to write
|
|
*/
|
|
void _flash_write(struct _flash_device *const device, const uint32_t dst_addr, uint8_t *buffer, uint32_t length);
|
|
|
|
/**
|
|
* \brief Appends a number of bytes in the internal Flash.
|
|
*
|
|
* \param[in] device The pointer to FLASH device instance
|
|
* \param[in] dst_addr Destination bytes address to write into flash
|
|
* \param[in] buffer Pointer to buffer with data to write to flash
|
|
* \param[in] length Number of bytes to write
|
|
*/
|
|
void _flash_append(struct _flash_device *const device, const uint32_t dst_addr, uint8_t *buffer, uint32_t length);
|
|
|
|
/** \brief Execute lock in the internal flash
|
|
* \param[in] device The pointer to FLASH device instance
|
|
* \param[in] dst_addr Destination bytes address aligned with page
|
|
* start to be locked
|
|
* \param[in] page_nums Number of pages to be locked
|
|
*
|
|
* \return Real locked numbers of pages.
|
|
*/
|
|
int32_t _flash_lock(struct _flash_device *const device, const uint32_t dst_addr, uint32_t page_nums);
|
|
|
|
/** \brief Execute unlock in the internal flash
|
|
* \param[in] device The pointer to FLASH device instance
|
|
* \param[in] dst_addr Destination bytes address aligned with page
|
|
* start to be unlocked
|
|
* \param[in] page_nums Number of pages to be unlocked
|
|
*
|
|
* \return Real unlocked numbers of pages.
|
|
*/
|
|
int32_t _flash_unlock(struct _flash_device *const device, const uint32_t dst_addr, uint32_t page_nums);
|
|
|
|
/** \brief check whether the region which is pointed by address
|
|
* is locked
|
|
* \param[in] device The pointer to FLASH device instance
|
|
* \param[in] dst_addr Destination bytes address to check
|
|
*
|
|
* \return The lock status of assigned address.
|
|
*/
|
|
bool _flash_is_locked(struct _flash_device *const device, const uint32_t dst_addr);
|
|
|
|
/** \brief Execute erase in the internal flash
|
|
* \param[in] device The pointer to FLASH device instance
|
|
* \param[in] dst_addr Destination bytes address aligned with page
|
|
* start to be erased
|
|
* \param[in] page_nums Number of pages to be erased
|
|
*/
|
|
void _flash_erase(struct _flash_device *const device, const uint32_t dst_addr, uint32_t page_nums);
|
|
|
|
/**
|
|
* \brief Get the flash page size.
|
|
*
|
|
* \param[in] device The pointer to FLASH device instance
|
|
*
|
|
* \return The flash page size
|
|
*/
|
|
uint32_t _flash_get_page_size(struct _flash_device *const device);
|
|
|
|
/**
|
|
* \brief Get the numbers of flash page.
|
|
*
|
|
* \param[in] device The pointer to FLASH device instance
|
|
*
|
|
* \return The flash total page numbers
|
|
*/
|
|
uint32_t _flash_get_total_pages(struct _flash_device *const device);
|
|
|
|
/**
|
|
* \brief Get the number of wait states for read and write operations.
|
|
*
|
|
* \param[in] device The pointer to FLASH device instance
|
|
*
|
|
* \return The number of wait states for read and write operations
|
|
*/
|
|
uint8_t _flash_get_wait_state(struct _flash_device *const device);
|
|
|
|
/**
|
|
* \brief Set the number of wait states for read and write operations.
|
|
*
|
|
* \param[in] device The pointer to FLASH device instance
|
|
* \param[in] state The number of wait states
|
|
*
|
|
*/
|
|
void _flash_set_wait_state(struct _flash_device *const device, uint8_t state);
|
|
|
|
/**
|
|
* \brief Enable/disable Flash interrupt
|
|
*
|
|
* param[in] device The pointer to Flash device instance
|
|
* param[in] type The type of interrupt to disable/enable if applicable
|
|
* param[in] state Enable or disable
|
|
*/
|
|
void _flash_set_irq_state(struct _flash_device *const device, const enum _flash_cb_type type, const bool state);
|
|
|
|
/*
|
|
* Below RWW flash APIs are only available for device which has RWWEE
|
|
* flash array, such as SAM C20/C21/D21/L21/L22/R30/DA1/HA1 etc.
|
|
*/
|
|
/**
|
|
* \brief Get the RWWEE flash page size.
|
|
*
|
|
* \param[in] device The pointer to FLASH device instance
|
|
*
|
|
* \return The flash page size
|
|
*/
|
|
uint32_t _rww_flash_get_page_size(struct _flash_device *const device);
|
|
|
|
/**
|
|
* \brief Get the total page numbers of RWWEE flash.
|
|
*
|
|
* \param[in] device The pointer to FLASH device instance
|
|
*
|
|
* \return The flash total page numbers
|
|
*/
|
|
uint32_t _rww_flash_get_total_pages(struct _flash_device *const device);
|
|
|
|
/**
|
|
* \brief Reads a number of bytes in the internal RWWEE Flash.
|
|
*
|
|
* \param[in] device The pointer to FLASH device instance
|
|
* \param[in] src_addr Source bytes address to read from flash
|
|
* \param[out] buffer Pointer to a buffer where the content
|
|
* of the read page will be stored
|
|
* \param[in] length Number of bytes to read
|
|
*
|
|
* \return Read status, ERR_NONE for successful read.
|
|
*/
|
|
int32_t _rww_flash_read(struct _flash_device *const device, const uint32_t src_addr, uint8_t *buffer, uint32_t length);
|
|
|
|
/**
|
|
* \brief Writes a number of bytes in the internal RWWEE Flash.
|
|
*
|
|
* \param[in] device The pointer to FLASH device instance
|
|
* \param[in] dst_addr Destination bytes address to write into flash
|
|
* \param[in] buffer Pointer to buffer where the data to
|
|
* write is stored
|
|
* \param[in] length Number of bytes to write
|
|
*
|
|
* \return Write status, ERR_NONE for successful write.
|
|
*/
|
|
int32_t _rww_flash_write(struct _flash_device *const device, const uint32_t dst_addr, uint8_t *buffer, uint32_t length);
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
/**@}*/
|
|
|
|
#endif /* _HPL_FLASH_H_INCLUDED */
|