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86 lines
3.4 KiB
C
86 lines
3.4 KiB
C
/**
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******************************************************************************
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* @addtogroup PIOS PIOS Core hardware abstraction layer
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* @{
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* @addtogroup PIOS_IAP In-Application-Programming Module
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* @brief In-Application-Programming Module
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* @{
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*
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* @file pios_iap.c
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* @author The OpenPilot Team, http://www.openpilot.org Copyright (C) 2013.
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* @brief IAP functions
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* @see The GNU Public License (GPL) Version 3
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*
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*****************************************************************************/
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/*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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/* Project Includes */
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#ifndef PIOS_IAP_H
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#define PIOS_IAP_H
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/****************************************************************************************
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* Header files
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****************************************************************************************/
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#include <pios_bkp.h>
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/*****************************************************************************************
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* Public Definitions/Macros
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****************************************************************************************/
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#define MAGIC_REG_1 PIOS_BKP_RESERVED_1
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#define MAGIC_REG_2 PIOS_BKP_RESERVED_2
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#define IAP_BOOTCOUNT PIOS_BKP_RESERVED_3
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#define IAP_CMD1 PIOS_BKP_RESERVED_5
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#define IAP_CMD2 PIOS_BKP_RESERVED_6
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#define IAP_CMD3 PIOS_BKP_RESERVED_7
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#define PIOS_IAP_CLEAR_FLASH_CMD_0 0xFA5F
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#define PIOS_IAP_CLEAR_FLASH_CMD_1 0x0001
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#define PIOS_IAP_CLEAR_FLASH_CMD_2 0x0000
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#define PIOS_IAP_CMD_COUNT 3
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/****************************************************************************************
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* Public Functions
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****************************************************************************************/
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void PIOS_IAP_Init(void);
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uint32_t PIOS_IAP_CheckRequest(void);
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void PIOS_IAP_SetRequest1(void);
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void PIOS_IAP_SetRequest2(void);
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void PIOS_IAP_ClearRequest(void);
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uint16_t PIOS_IAP_ReadBootCount(void);
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void PIOS_IAP_WriteBootCount(uint16_t);
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/**
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* @brief Return one of the IAP command values passed from bootloader.
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* @param number: the index of the command value (0..2).
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* @retval the selected command value.
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*/
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uint32_t PIOS_IAP_ReadBootCmd(uint8_t number);
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/**
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* @brief Write one of the IAP command values to be passed to firmware from bootloader.
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* @param number: the index of the command value (0..2).
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* @param value: value to be written.
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*/
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void PIOS_IAP_WriteBootCmd(uint8_t number, uint32_t value);
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/****************************************************************************************
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* Public Data
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****************************************************************************************/
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#endif /* PIOS_IAP_H */
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