mirror of https://github.com/ArduPilot/ardupilot
97 lines
3.0 KiB
C++
97 lines
3.0 KiB
C++
#pragma once
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#define EEPROM_USES_16BIT_WORDS
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#include "wirish.h"
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#include "flash_stm32.h"
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#ifndef EEPROM_PAGE_SIZE
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#if defined (MCU_STM32F103RB) || defined (MCU_STM32F103CB)
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#define EEPROM_PAGE_SIZE (uint16)0x400 /* Page size = 1KByte */
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#elif defined (MCU_STM32F103ZE) || defined (MCU_STM32F103VE) || defined (MCU_STM32F103RE)
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#define EEPROM_PAGE_SIZE (uint16)0x800 /* Page size = 2KByte */
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#elif defined (MCU_STM32F205VE) || defined (MCU_STM32F406VG)
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#define EEPROM_PAGE_SIZE (uint16)0x4000 /* Page size = 16KByte */
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#else
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#error "No MCU type specified. Add something like -DMCU_STM32F103RB " \
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"to your compiler arguments (probably in a Makefile)."
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#endif
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#endif
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#ifndef EEPROM_PAGE_SIZE
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#endif
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#ifndef EEPROM_START_ADDRESS
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#if defined BOARD_freeflight
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#define EEPROM_START_ADDRESS ((uint32)(0x8020000 - 2 * EEPROM_PAGE_SIZE))
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#elif defined (MCU_STM32F103RB) || defined (MCU_STM32F103CB)
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#define EEPROM_START_ADDRESS ((uint32)(0x8005000 - 2 * EEPROM_PAGE_SIZE))
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#elif defined (MCU_STM32F103ZE) || defined (MCU_STM32F103VE) || defined (MCU_STM32F103RE)
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//#define EEPROM_START_ADDRESS ((uint32)(0x8080000 - 2 * EEPROM_PAGE_SIZE))
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#define EEPROM_START_ADDRESS ((uint32)(0x8005000 - 2 * EEPROM_PAGE_SIZE))
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#elif defined (MCU_STM32F205VE) || defined (MCU_STM32F406VG)
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#define EEPROM_START_ADDRESS ((uint32)(0x8010000 - 2 * EEPROM_PAGE_SIZE))
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#else
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#error "No MCU type specified. Add something like -DMCU_STM32F103RB " \
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"to your compiler arguments (probably in a Makefile)."
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#endif
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#endif
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/* Pages 0 and 1 base and end addresses */
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#define EEPROM_PAGE0_BASE ((uint32)(EEPROM_START_ADDRESS))
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#define EEPROM_PAGE1_BASE ((uint32)(EEPROM_START_ADDRESS + EEPROM_PAGE_SIZE))
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/* Page status definitions */
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#define EEPROM_ERASED ((uint16)0xFFFF) /* PAGE is empty */
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#define EEPROM_RECEIVE_DATA ((uint16)0xEEEE) /* PAGE is marked to receive data */
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#define EEPROM_VALID_PAGE ((uint16)0x0000) /* PAGE containing valid data */
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/* Page full define */
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enum //: uint16
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{
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EEPROM_OK = ((uint16)0x0000),
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EEPROM_OUT_SIZE = ((uint16)0x0081),
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EEPROM_BAD_ADDRESS = ((uint16)0x0082),
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EEPROM_BAD_FLASH = ((uint16)0x0083),
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EEPROM_NOT_INIT = ((uint16)0x0084),
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EEPROM_NO_VALID_PAGE = ((uint16)0x00AB)
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};
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#define EEPROM_DEFAULT_DATA 0xFFFF
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class EEPROMClass
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{
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public:
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EEPROMClass(void);
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uint16 init(void);
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uint16 init(uint32, uint32, uint32);
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uint16 format(void);
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uint16 erases(uint16 *);
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uint16 read (uint16 address);
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uint16 read (uint16 address, uint16 *data);
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uint16 write(uint16 address, uint16 data);
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uint16 count(uint16 *);
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uint16 maxcount(void);
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uint32 PageBase0;
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uint32 PageBase1;
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uint32 PageSize;
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uint16 Status;
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private:
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FLASH_Status EE_ErasePage(uint32);
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uint16 EE_CheckPage(uint32, uint16);
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uint16 EE_CheckErasePage(uint32, uint16);
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uint16 EE_Format(void);
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uint32 EE_FindValidPage(void);
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uint16 EE_GetVariablesCount(uint32, uint16);
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uint16 EE_PageTransfer(uint32, uint32, uint16);
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uint16 EE_VerifyPageFullWriteVariable(uint16, uint16);
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};
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extern EEPROMClass EEPROM;
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