no_os_flash.h File Reference

Header file for flash controller driver. More...

#include <stdint.h>

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Classes
struct	no_os_flash_dev
	Flash controller device structure. More...
struct	no_os_flash_init_param
	Flash controller initialization structure. More...

Functions
int32_t	no_os_flash_init (struct no_os_flash_dev **device, struct no_os_flash_init_param *init_param)
int32_t	no_os_flash_remove (struct no_os_flash_dev *dev)
int32_t	no_os_flash_clear_page (struct no_os_flash_dev *dev, int32_t page_no)
int32_t	no_os_flash_write_page (struct no_os_flash_dev *dev, int32_t page_no, uint32_t *data)
int32_t	flash_read_page (struct no_os_flash_dev *dev, int32_t page_no, uint32_t *data)
int32_t	no_os_flash_write (struct no_os_flash_dev *dev, uint32_t flash_addr, uint32_t *array, uint32_t array_size)
int32_t	no_os_flash_read (struct no_os_flash_dev *dev, uint32_t flash_addr, uint32_t *array, uint32_t size)

Detailed Description

Header file for flash controller driver.

Author

Andrei Drimbarean (andre.nosp@m.i.dr.nosp@m.imbar.nosp@m.ean@.nosp@m.analo.nosp@m.g.co.nosp@m.m)

Copyright 2021(c) Analog Devices, Inc.

All rights reserved.

Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:

• Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
• Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.
• Neither the name of Analog Devices, Inc. nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission.
• The use of this software may or may not infringe the patent rights of one or more patent holders. This license does not release you from the requirement that you obtain separate licenses from these patent holders to use this software.
• Use of the software either in source or binary form, must be run on or directly connected to an Analog Devices Inc. component.

THIS SOFTWARE IS PROVIDED BY ANALOG DEVICES "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, NON-INFRINGEMENT, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL ANALOG DEVICES BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, INTELLECTUAL PROPERTY RIGHTS, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

Function Documentation

flash_read_page()

int32_t flash_read_page	(	struct no_os_flash_dev *	dev,
		int32_t	page_no,
		uint32_t *	data
	)

Read a flash page.

no_os_flash_clear_page()

int32_t no_os_flash_clear_page	(	struct no_os_flash_dev *	dev,
		int32_t	page_no
	)

Erase a flash page.

Erase a flash page.

Parameters

[in]	dev	- Pointer to the flash device handler.
[in]	page_no	- Page number.

Returns

0 in case of success, negative error code otherwise.

no_os_flash_init()

int32_t no_os_flash_init	(	struct no_os_flash_dev **	device,
		struct no_os_flash_init_param *	init_param
	)

Initialize flash controller.

Initialize flash controller.

Parameters

[out]	device	- Pointer to the driver handler.
[in]	init_param	- Pointer to the initialization structure.

Returns

0 in case of success, error code otherwise.

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no_os_flash_read()

int32_t no_os_flash_read	(	struct no_os_flash_dev *	dev,
		uint32_t	flash_addr,
		uint32_t *	array,
		uint32_t	size
	)

Read data from the flash memory.

Read data from the flash memory.

Parameters

[in]	dev	- Pointer to the flash device handler.
[in]	flash_addr	- Start address of the read.
[out]	array	- Pointer to the container for the read data.
[in]	size	- Size of the read data in 32-bit words.

Returns

0 in case of success, negative error code otherwise.

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no_os_flash_remove()

int32_t no_os_flash_remove

(

struct no_os_flash_dev *

dev

)

Free memory allocated by no_os_flash_init().

Free memory allocated by no_os_flash_init().

Parameters

[in]

dev

- Pointer to the driver handler.

Returns

0 in case of success, error code otherwise.

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no_os_flash_write()

int32_t no_os_flash_write	(	struct no_os_flash_dev *	dev,
		uint32_t	flash_addr,
		uint32_t *	array,
		uint32_t	array_size
	)

Write data in flash memory.

Write data in flash memory.

Parameters

[in]	dev	- Pointer to the flash device handler.
[in]	flash_addr	- Start address of the write.
[in]	array	- Pointer to the data to be written.
[in]	array_size	- Size of the written data in 32-bit words.

Returns

0 in case of success, negative error code otherwise.

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no_os_flash_write_page()

int32_t no_os_flash_write_page	(	struct no_os_flash_dev *	dev,
		int32_t	page_no,
		uint32_t *	data
	)

Write a flash page.

Write a page in flash memory.

Parameters

[in]	dev	- Pointer to the flash device handler.
[in]	page_no	- Page number.
[in]	data	- Pointer to the data to be written. data length must be FLASH_PAGE_SIZE_WORDS in size.

Returns

0 in case of success, negative error code otherwise.