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fa741b265b
Why does this work? We are writing flash memories without erasing them, and writing pages without regard to alignment. Yet it works?
101 lines
2.8 KiB
C
101 lines
2.8 KiB
C
/*
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* This file is part of TWLSaveTool.
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* Copyright (C) 2015-2016 TuxSH
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*
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* TWLSaveTool 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 2 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,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>
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*/
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#pragma once
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#include "common.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define SPI_CMD_RDSR 5
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#define SPI_CMD_WREN 6
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#define SPI_512B_EEPROM_CMD_WRLO 2
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#define SPI_512B_EEPROM_CMD_WRHI 10
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#define SPI_512B_EEPROM_CMD_RDLO 3
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#define SPI_512B_EEPROM_CMD_RDHI 11
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#define SPI_EEPROM_CMD_WRITE 2
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#define SPI_CMD_READ 3
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#define SPI_CMD_PP 2
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#define SPI_FLASH_CMD_PW 10
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#define SPI_FLASH_CMD_RDID 0x9f
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#define SPI_FLASH_CMD_SE 0xd8
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#define SPI_FLG_WIP 1
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#define SPI_FLG_WEL 2
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// extern u8* fill_buf;
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typedef enum {
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NO_CHIP = -1,
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EEPROM_512B = 0,
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EEPROM_8KB = 1,
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EEPROM_64KB = 2,
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EEPROM_128KB = 3,
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EEPROM_STD_DUMMY = 1,
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FLASH_256KB_1 = 4,
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FLASH_256KB_2 = 5,
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FLASH_512KB_1 = 6,
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FLASH_512KB_2 = 7,
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FLASH_1MB = 8,
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FLASH_8MB = 9, // <- can't restore savegames, and maybe not read them atm
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FLASH_STD_DUMMY = 4,
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FLASH_64KB_CTR = 10, // I am extrapolating from the dataheets, only a few of these have been observed in the wild
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FLASH_128KB_CTR = 11, // Most common, including Ocarina of time 3D
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FLASH_256KB_CTR = 12,
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FLASH_512KB_CTR = 13, // Also common, including Detective Pikachu
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FLASH_1MB_CTR = 14, // For example Pokemon Ultra Sun
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FLASH_2MB_CTR = 15,
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FLASH_4MB_CTR = 16,
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FLASH_8MB_CTR = 17,
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// Animal crossing: New leaf???
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// (What is that? 3dbrew states 10M, but Macronix only makes powers of 2)
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FLASH_512KB_INFRARED = 18,
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FLASH_256KB_INFRARED = 19, // AFAIK, only "Active Health with Carol Vorderman" has such a flash save memory
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FLASH_INFRARED_DUMMY = 17,
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CHIP_LAST = 19,
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} CardType;
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int SPIWriteRead(CardType type, void* cmd, u32 cmdSize, void* answer, u32 answerSize, void* data, u32 dataSize);
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int SPIWaitWriteEnd(CardType type);
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int SPIEnableWriting(CardType type);
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int SPIReadJEDECIDAndStatusReg(CardType type, u32* id, u8* statusReg);
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int SPIGetCardType(CardType* type, int infrared);
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u32 SPIGetPageSize(CardType type);
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u32 SPIGetCapacity(CardType type);
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int SPIWriteSaveData(CardType type, u32 offset, const void* data, u32 size);
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int SPIReadSaveData(CardType type, u32 offset, void* data, u32 size);
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// int SPIEraseSector(CardType type, u32 offset);
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// int SPIErase(CardType type);
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#ifdef __cplusplus
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}
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#endif
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