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3a9b3b5e3a
Combined all CF-based hardware drivers into one set of routines with different sets of registers. Speed should remain the same, but size should be reduced.
79 lines
2.4 KiB
C
79 lines
2.4 KiB
C
/*
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io_cf_common.h
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By chishm (Michael Chisholm)
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Common Compact Flash card values
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Copyright (c) 2006 Michael "Chishm" Chisholm
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Redistribution and use in source and binary forms, with or without modification,
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are permitted provided that the following conditions are met:
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1. Redistributions of source code must retain the above copyright notice,
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this list of conditions and the following disclaimer.
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2. Redistributions in binary form must reproduce the above copyright notice,
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this list of conditions and the following disclaimer in the documentation and/or
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other materials provided with the distribution.
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3. The name of the author may not be used to endorse or promote products derived
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from this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
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WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
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AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE
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LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
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EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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2006-07-11 - Chishm
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* Original release
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2006-07-16 - Chishm
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* Combined all CF interfaces into one common set of routines
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*/
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#ifndef IO_CF_COMMON_H
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#define IO_CF_COMMON_H
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#include "disc_io.h"
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typedef struct {
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vu16* data;
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vu16* status;
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vu16* command;
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vu16* error;
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vu16* sectorCount;
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vu16* lba1;
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vu16* lba2;
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vu16* lba3;
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vu16* lba4;
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} CF_REGISTERS;
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// CF Card status
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#define CF_STS_INSERTED 0x50
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#define CF_STS_REMOVED 0x00
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#define CF_STS_READY 0x58
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#define CF_STS_DRQ 0x08
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#define CF_STS_BUSY 0x80
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// CF Card commands
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#define CF_CMD_LBA 0xE0
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#define CF_CMD_READ 0x20
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#define CF_CMD_WRITE 0x30
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#define CF_CARD_TIMEOUT 10000000
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bool _CF_isInserted (void);
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bool _CF_clearStatus (void);
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bool _CF_readSectors (u32 sector, u32 numSectors, void* buffer);
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bool _CF_writeSectors (u32 sector, u32 numSectors, void* buffer);
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bool _CF_shutdown(void);
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bool _CF_startup(const CF_REGISTERS *usableCfRegs);
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#endif // define IO_CF_COMMON_H
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