Added example MS/TP port to ATxmega XPLAINED A3BU evaluation board.
This commit is contained in:
skarg
@@ -0,0 +1,318 @@
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/**
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* \file
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*
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* \brief Non volatile memories management
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*
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* Copyright (c) 2012 Atmel Corporation. All rights reserved.
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*
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* \asf_license_start
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*
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||||
* \page License
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions are met:
|
||||
*
|
||||
* 1. Redistributions of source code must retain the above copyright notice,
|
||||
* this list of conditions and the following disclaimer.
|
||||
*
|
||||
* 2. 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.
|
||||
*
|
||||
* 3. The name of Atmel may not be used to endorse or promote products derived
|
||||
* from this software without specific prior written permission.
|
||||
*
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||||
* 4. This software may only be redistributed and used in connection with an
|
||||
* Atmel microcontroller product.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR IMPLIED
|
||||
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
|
||||
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE
|
||||
* EXPRESSLY AND SPECIFICALLY DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR
|
||||
* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
||||
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, 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.
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||||
*
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||||
* \asf_license_stop
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||||
*
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*/
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#ifndef COMMON_NVM_H_INCLUDED
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#define COMMON_NVM_H_INCLUDED
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#include "compiler.h"
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#include "conf_board.h"
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#include "parts.h"
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#include "status_codes.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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#if defined(USE_EXTMEM) && defined(CONF_BOARD_AT45DBX)
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#include "at45dbx.h"
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#endif
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/* ! \name Non volatile memory types */
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/* ! @{ */
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typedef enum {
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INT_FLASH /* !< Internal Flash */
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#if (XMEGA || UC3 || SAM4S)
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, INT_USERPAGE /* !< Userpage/User signature */
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#endif
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#if XMEGA
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, INT_EEPROM /* !< Internal EEPROM */
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#endif
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#if defined(USE_EXTMEM) && defined(CONF_BOARD_AT45DBX)
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, AT45DBX /* !< External AT45DBX dataflash */
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#endif
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} mem_type_t;
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/* ! @} */
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#if SAM
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# ifndef IFLASH_PAGE_SIZE
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# define IFLASH_PAGE_SIZE IFLASH0_PAGE_SIZE
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# endif
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# ifndef IFLASH_ADDR
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# define IFLASH_ADDR IFLASH0_ADDR
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# endif
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#endif
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/**
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* \defgroup nvm_group NVM service
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*
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* See \ref common_nvm_quickstart.
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*
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* This is the common API for non volatile memories. Additional features are
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* available
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* in the documentation of the specific modules.
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*
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*/
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/**
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* \brief Initialize the non volatile memory specified.
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*
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* \param mem Type of non volatile memory to initialize
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*/
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status_code_t nvm_init(mem_type_t mem);
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/**
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* \brief Read single byte of data.
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*
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* \param mem Type of non volatile memory to read
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* \param address Address to read
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* \param data Pointer to where to store the read data
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*/
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status_code_t nvm_read_char(mem_type_t mem, uint32_t address, uint8_t *data);
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/**
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* \brief Write single byte of data.
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*
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* \param mem Type of non volatile memory to write
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* \param address Address to write
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* \param data Data to be written
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*/
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status_code_t nvm_write_char(mem_type_t mem, uint32_t address, uint8_t data);
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/**
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* \brief Read \a len number of bytes from address \a address in non volatile
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* memory \a mem and store it in the buffer \a buffer
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*
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* \param mem Type of non volatile memory to read
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* \param address Address to read
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* \param buffer Pointer to destination buffer
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* \param len Number of bytes to read
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*/
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status_code_t nvm_read(mem_type_t mem, uint32_t address, void *buffer,
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uint32_t len);
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/**
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* \brief Write \a len number of bytes at address \a address in non volatile
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* memory \a mem from the buffer \a buffer
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*
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* \param mem Type of non volatile memory to write
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* \param address Address to write
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* \param buffer Pointer to source buffer
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* \param len Number of bytes to write
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*/
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status_code_t nvm_write(mem_type_t mem, uint32_t address, void *buffer,
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uint32_t len);
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/**
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* \brief Erase a page in the non volatile memory.
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*
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* \param mem Type of non volatile memory to erase
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* \param page_number Page number to erase
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*/
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status_code_t nvm_page_erase(mem_type_t mem, uint32_t page_number);
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/**
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* \brief Get the size of whole non volatile memory specified.
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*
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* \param mem Type of non volatile memory
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* \param size Pointer to where to store the size
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*/
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status_code_t nvm_get_size(mem_type_t mem, uint32_t *size);
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/**
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* \brief Get the size of a page in the non volatile memory specified.
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*
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* \param mem Type of non volatile memory
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* \param size Pointer to where to store the size
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*/
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status_code_t nvm_get_page_size(mem_type_t mem, uint32_t *size);
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/**
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* \brief Get the page number from the byte address \a address.
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*
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* \param mem Type of non volatile memory
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* \param address Byte address of the non volatile memory
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* \param num Pointer to where to store the page number
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*/
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status_code_t nvm_get_pagenumber(mem_type_t mem, uint32_t address,
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uint32_t *num);
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/**
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* \brief Enable security bit which blocks external read and write access
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* to the device.
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*
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*/
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status_code_t nvm_set_security_bit(void);
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/**
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* \page common_nvm_quickstart Quick Start quide for common NVM driver
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*
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* This is the quick start quide for the \ref nvm_group "Common NVM driver",
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* with step-by-step instructions on how to configure and use the driver in a
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* selection of use cases.
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*
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* The use cases contain several code fragments. The code fragments in the
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* steps for setup can be copied into a custom initialization function, while
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* the steps for usage can be copied into, e.g., the main application function.
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*
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* \section nvm_basic_use_case Basic use case
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* In this basic use case, NVM driver is configured for Internal Flash
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*
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* \section nvm_basic_use_case_setup Setup steps
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*
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* \subsection nvm_basic_use_case_setup_code Example code
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* Add to you application C-file:
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* \code
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* if(nvm_init(INT_FLASH) == STATUS_OK)
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* do_something();
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* \endcode
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*
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* \subsection nvm_basic_use_case_setup_flow Workflow
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* -# Ensure that board_init() has configured selected I/Os for TWI function
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* when using external AT45DBX dataflash
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* -# Ensure that \ref conf_nvm.h is present for the driver.
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* - \note This file is only for the driver and should not be included by the
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* user.
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* -# Call nvm_init \code nvm_init(INT_FLASH); \endcode
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* and optionally check its return code
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*
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* \section nvm_basic_use_case_usage Usage steps
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* \subsection nvm_basic_use_case_usage_code_writing Example code: Writing to
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* non volatile memory
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* Use in the application C-file:
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* \code
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* uint8_t buffer[] = {0xAA, 0xBB, 0xCC, 0xDD, 0xEE};
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*
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* if(nvm_write(INT_FLASH, test_address, (void *)buffer, sizeof(buffer)) ==
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* STATUS_OK)
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* do_something();
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* \endcode
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*
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* \subsection nvm_basic_use_case_usage_flow Workflow
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* -# Prepare the data you want to send to the non volatile memory
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* \code uint8_t buffer[] = {0xAA, 0xBB, 0xCC, 0xDD, 0xEE}; \endcode
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* -# Call nvm_write \code nvm_write(INT_FLASH, test_address, (void *)buffer,
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* sizeof(buffer)) \endcode
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* and optionally check its return value for STATUS_OK.
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*
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* \subsection nvm_basic_use_case_usage_code_reading Example code: Reading from
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* non volatile memory
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* Use in application C-file:
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* \code
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* uint8_t data_read[8];
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*
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* if(nvm_read(INT_FLASH, test_address, (void *)data_read, sizeof(data_read))
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* == STATUS_OK) {
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* //Check read content
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* if(data_read[0] == 0xAA)
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* do_something();
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* }
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* \endcode
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*
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* \subsection nvm_basic_use_case_usage_flow Workflow
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* -# Prepare a data buffer that will read data from non volatile memory
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* \code uint8_t data_read[8]; \endcode
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* -# Call nvm_read \code nvm_read(INT_FLASH, test_address, (void *)data_read,
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* sizeof(data_read)); \endcode
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* and optionally check its return value for STATUS_OK.
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* The data read from the non volatile memory are in data_read.
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*
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* \subsection nvm_basic_use_case_usage_code_erasing Example code: Erasing a
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* page of non volatile memory
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* Use in the application C-file:
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* \code
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* if(nvm_page_erase(INT_FLASH, test_page) == STATUS_OK)
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* do_something();
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* \endcode
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*
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* \subsection nvm_basic_use_case_usage_flow Workflow
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* -# Call nvm_page_erase \code nvm_page_erase(INT_FLASH, test_page) \endcode
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* and optionally check its return value for STATUS_OK.
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*
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* \subsection nvm_basic_use_case_usage_code_config Example code: Reading
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*configuration of non volatile memory
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* Use in application C-file:
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* \code
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* uint8_t mem_size, page_size, page_num;
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*
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* nvm_get_size(INT_FLASH, &mem_size);
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* nvm_get_page_size(INT_FLASH, &page_size);
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* nvm_get_pagenumber(INT_FLASH, test_address, &page_num);
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* \endcode
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*
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* \subsection nvm_basic_use_case_usage_flow Workflow
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* -# Prepare a buffer to store configuration of non volatile memory
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* \code uint8_t mem_size, page_size, page_num; \endcode
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* -# Call nvm_get_size \code nvm_get_size(INT_FLASH, &mem_size); \endcode
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* and optionally check its return value for STATUS_OK.
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* The memory size of the non volatile memory is in mem_size.
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* -# Call nvm_get_page_size \code nvm_get_page_size(INT_FLASH, &page_size);
|
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* \endcode
|
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* and optionally check its return value for STATUS_OK.
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* The page size of the non volatile memory is in page_size.
|
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* -# Call nvm_get_pagenumber \code nvm_get_page_number(INT_FLASH, test_address,
|
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* &page_num); \endcode
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* and optionally check its return value for STATUS_OK.
|
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* The page number of given address in the non volatile memory is in page_num.
|
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*
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* \subsection nvm_basic_use_case_usage_code_locking Example code: Enabling
|
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* security bit
|
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* Use in the application C-file:
|
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* \code
|
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* if(nvm_set_security_bit() == STATUS_OK)
|
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* do_something();
|
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* \endcode
|
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*
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* \subsection nvm_basic_use_case_usage_flow Workflow
|
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* -# Call nvm_set_security_bit \code nvm_set_security_bit() \endcode
|
||||
* and optionally check its return value for STATUS_OK.
|
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*/
|
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|
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#ifdef __cplusplus
|
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}
|
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#endif
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#endif /* COMMON_NVM_H_INCLUDED */
|
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@@ -0,0 +1,331 @@
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/**
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* \file
|
||||
*
|
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* \brief Non volatile memories management for XMEGA devices
|
||||
*
|
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* Copyright (c) 2012 Atmel Corporation. All rights reserved.
|
||||
*
|
||||
* \asf_license_start
|
||||
*
|
||||
* \page License
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions are met:
|
||||
*
|
||||
* 1. Redistributions of source code must retain the above copyright notice,
|
||||
* this list of conditions and the following disclaimer.
|
||||
*
|
||||
* 2. 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.
|
||||
*
|
||||
* 3. The name of Atmel may not be used to endorse or promote products derived
|
||||
* from this software without specific prior written permission.
|
||||
*
|
||||
* 4. This software may only be redistributed and used in connection with an
|
||||
* Atmel microcontroller product.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR IMPLIED
|
||||
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
|
||||
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE
|
||||
* EXPRESSLY AND SPECIFICALLY DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR
|
||||
* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
||||
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, 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.
|
||||
*
|
||||
* \asf_license_stop
|
||||
*
|
||||
*/
|
||||
#include "common_nvm.h"
|
||||
#include "conf_nvm.h"
|
||||
#include "nvm.h"
|
||||
|
||||
status_code_t nvm_init(mem_type_t mem)
|
||||
{
|
||||
switch (mem) {
|
||||
case INT_FLASH:
|
||||
case INT_USERPAGE:
|
||||
case INT_EEPROM:
|
||||
/* No initialization required for internal memory */
|
||||
break;
|
||||
|
||||
#if defined(USE_EXTMEM) && defined(CONF_BOARD_AT45DBX)
|
||||
case AT45DBX:
|
||||
/* Initialize dataflash */
|
||||
at45dbx_init();
|
||||
/* Perform memory check */
|
||||
if (!at45dbx_mem_check()) {
|
||||
return ERR_NO_MEMORY;
|
||||
}
|
||||
break;
|
||||
#endif
|
||||
|
||||
default:
|
||||
return ERR_INVALID_ARG;
|
||||
}
|
||||
|
||||
return STATUS_OK;
|
||||
}
|
||||
|
||||
status_code_t nvm_read_char(mem_type_t mem, uint32_t address, uint8_t *data)
|
||||
{
|
||||
switch (mem) {
|
||||
case INT_FLASH:
|
||||
*data = nvm_flash_read_byte((flash_addr_t)address);
|
||||
break;
|
||||
|
||||
case INT_USERPAGE:
|
||||
nvm_user_sig_read_buffer((flash_addr_t)address, (void *)data,
|
||||
1);
|
||||
break;
|
||||
|
||||
case INT_EEPROM:
|
||||
*data = nvm_eeprom_read_byte((eeprom_addr_t)address);
|
||||
break;
|
||||
|
||||
#if defined(USE_EXTMEM) && defined(CONF_BOARD_AT45DBX)
|
||||
case AT45DBX:
|
||||
if (!at45dbx_read_byte_open(address)) {
|
||||
return ERR_BAD_ADDRESS;
|
||||
}
|
||||
|
||||
*data = at45dbx_read_byte();
|
||||
at45dbx_read_close();
|
||||
break;
|
||||
#endif
|
||||
|
||||
default:
|
||||
return ERR_INVALID_ARG;
|
||||
}
|
||||
|
||||
return STATUS_OK;
|
||||
}
|
||||
|
||||
status_code_t nvm_write_char(mem_type_t mem, uint32_t address, uint8_t data)
|
||||
{
|
||||
switch (mem) {
|
||||
case INT_FLASH:
|
||||
nvm_flash_erase_and_write_buffer((flash_addr_t)address,
|
||||
(const void *)&data, 1, true);
|
||||
break;
|
||||
|
||||
case INT_USERPAGE:
|
||||
nvm_user_sig_write_buffer((flash_addr_t)address,
|
||||
(const void *)&data, 1, true);
|
||||
break;
|
||||
|
||||
case INT_EEPROM:
|
||||
nvm_eeprom_write_byte((eeprom_addr_t)address, data);
|
||||
break;
|
||||
|
||||
#if defined(USE_EXTMEM) && defined(CONF_BOARD_AT45DBX)
|
||||
case AT45DBX:
|
||||
if (!at45dbx_write_byte_open(address)) {
|
||||
return ERR_BAD_ADDRESS;
|
||||
}
|
||||
|
||||
at45dbx_write_byte(data);
|
||||
at45dbx_write_close();
|
||||
#endif
|
||||
|
||||
default:
|
||||
return ERR_INVALID_ARG;
|
||||
}
|
||||
|
||||
return STATUS_OK;
|
||||
}
|
||||
|
||||
status_code_t nvm_read(mem_type_t mem, uint32_t address, void *buffer,
|
||||
uint32_t len)
|
||||
{
|
||||
switch (mem) {
|
||||
case INT_FLASH:
|
||||
nvm_flash_read_buffer((flash_addr_t)address, buffer,
|
||||
(uint16_t)len);
|
||||
break;
|
||||
|
||||
case INT_USERPAGE:
|
||||
nvm_user_sig_read_buffer((flash_addr_t)address, buffer,
|
||||
(uint16_t)len);
|
||||
break;
|
||||
|
||||
case INT_EEPROM:
|
||||
nvm_eeprom_read_buffer((eeprom_addr_t)address, buffer,
|
||||
(uint16_t)len);
|
||||
break;
|
||||
|
||||
#if defined(USE_EXTMEM) && defined(CONF_BOARD_AT45DBX)
|
||||
case AT45DBX:
|
||||
{
|
||||
uint32_t sector = address / AT45DBX_SECTOR_SIZE;
|
||||
if (!at45dbx_read_sector_open(sector)) {
|
||||
return ERR_BAD_ADDRESS;
|
||||
}
|
||||
|
||||
at45dbx_read_sector_to_ram(buffer);
|
||||
at45dbx_read_close();
|
||||
}
|
||||
break;
|
||||
#endif
|
||||
|
||||
default:
|
||||
return ERR_INVALID_ARG;
|
||||
}
|
||||
|
||||
return STATUS_OK;
|
||||
}
|
||||
|
||||
status_code_t nvm_write(mem_type_t mem, uint32_t address, void *buffer,
|
||||
uint32_t len)
|
||||
{
|
||||
switch (mem) {
|
||||
case INT_FLASH:
|
||||
nvm_flash_erase_and_write_buffer((flash_addr_t)address,
|
||||
(const void *)buffer, len, true);
|
||||
break;
|
||||
|
||||
case INT_USERPAGE:
|
||||
nvm_user_sig_write_buffer((flash_addr_t)address,
|
||||
(const void *)buffer, len, true);
|
||||
break;
|
||||
|
||||
case INT_EEPROM:
|
||||
nvm_eeprom_erase_and_write_buffer((eeprom_addr_t)address,
|
||||
(const void *)buffer, len);
|
||||
break;
|
||||
|
||||
#if defined(USE_EXTMEM) && defined(CONF_BOARD_AT45DBX)
|
||||
case AT45DBX:
|
||||
{
|
||||
uint32_t sector = address / AT45DBX_SECTOR_SIZE;
|
||||
if (!at45dbx_write_sector_open(sector)) {
|
||||
return ERR_BAD_ADDRESS;
|
||||
}
|
||||
|
||||
at45dbx_write_sector_from_ram((const void *)buffer);
|
||||
at45dbx_write_close();
|
||||
}
|
||||
break;
|
||||
#endif
|
||||
|
||||
default:
|
||||
return ERR_INVALID_ARG;
|
||||
}
|
||||
|
||||
return STATUS_OK;
|
||||
}
|
||||
|
||||
status_code_t nvm_page_erase(mem_type_t mem, uint32_t page_number)
|
||||
{
|
||||
switch (mem) {
|
||||
case INT_FLASH:
|
||||
if ((page_number >= 0) &&
|
||||
(page_number <
|
||||
(BOOT_SECTION_START / FLASH_PAGE_SIZE))) {
|
||||
nvm_flash_erase_app_page((flash_addr_t)(page_number *
|
||||
FLASH_PAGE_SIZE));
|
||||
} else if ((page_number >= 0) &&
|
||||
(page_number <
|
||||
(BOOT_SECTION_END / FLASH_PAGE_SIZE))) {
|
||||
nvm_flash_erase_boot_page((flash_addr_t)(page_number *
|
||||
FLASH_PAGE_SIZE));
|
||||
} else {
|
||||
return ERR_INVALID_ARG;
|
||||
}
|
||||
|
||||
break;
|
||||
|
||||
case INT_USERPAGE:
|
||||
nvm_flash_erase_user_section();
|
||||
break;
|
||||
|
||||
case INT_EEPROM:
|
||||
nvm_eeprom_erase_page((uint8_t)page_number);
|
||||
break;
|
||||
|
||||
default:
|
||||
return ERR_INVALID_ARG;
|
||||
}
|
||||
|
||||
return STATUS_OK;
|
||||
}
|
||||
|
||||
status_code_t nvm_get_size(mem_type_t mem, uint32_t *size)
|
||||
{
|
||||
switch (mem) {
|
||||
case INT_FLASH:
|
||||
*size = (uint32_t)FLASH_SIZE;
|
||||
break;
|
||||
|
||||
case INT_USERPAGE:
|
||||
*size = (uint32_t)FLASH_PAGE_SIZE;
|
||||
break;
|
||||
|
||||
case INT_EEPROM:
|
||||
*size = (uint32_t)EEPROM_SIZE;
|
||||
break;
|
||||
|
||||
#if defined(USE_EXTMEM) && defined(CONF_BOARD_AT45DBX)
|
||||
case AT45DBX:
|
||||
*size = (uint32_t)AT45DBX_MEM_SIZE;
|
||||
break;
|
||||
#endif
|
||||
|
||||
default:
|
||||
/* Other memories not supported */
|
||||
return ERR_INVALID_ARG;
|
||||
}
|
||||
|
||||
return STATUS_OK;
|
||||
}
|
||||
|
||||
status_code_t nvm_get_page_size(mem_type_t mem, uint32_t *size)
|
||||
{
|
||||
switch (mem) {
|
||||
case INT_FLASH:
|
||||
case INT_USERPAGE:
|
||||
*size = (uint32_t)FLASH_PAGE_SIZE;
|
||||
break;
|
||||
|
||||
case INT_EEPROM:
|
||||
*size = (uint32_t)EEPROM_PAGE_SIZE;
|
||||
break;
|
||||
|
||||
default:
|
||||
/* Other memories not supported */
|
||||
return ERR_INVALID_ARG;
|
||||
}
|
||||
|
||||
return STATUS_OK;
|
||||
}
|
||||
|
||||
status_code_t nvm_get_pagenumber(mem_type_t mem, uint32_t address,
|
||||
uint32_t *num)
|
||||
{
|
||||
switch (mem) {
|
||||
case INT_FLASH:
|
||||
*num = (uint32_t)(address / FLASH_PAGE_SIZE);
|
||||
break;
|
||||
|
||||
case INT_EEPROM:
|
||||
*num = (uint32_t)(address / EEPROM_PAGE_SIZE);
|
||||
break;
|
||||
|
||||
default:
|
||||
/* Other memories not supported */
|
||||
return ERR_INVALID_ARG;
|
||||
}
|
||||
|
||||
return STATUS_OK;
|
||||
}
|
||||
|
||||
status_code_t nvm_set_security_bit(void)
|
||||
{
|
||||
/* Block external programming access to the device */
|
||||
nvm_lb_lock_bits_write(NVM_LB_RWLOCK_gc);
|
||||
return STATUS_OK;
|
||||
}
|
||||
Reference in New Issue
Block a user