ide_boardsetup.h

嵌入式系统中的完整FAT16和FAT32源码

//-----------------------------------------------------------------------------
//-----------------------------------------------------------------------------
//					    FAT32 File IO Library for AVR 
//								  V0.1c
// 	  							Rob Riglar
//							Copyright 2003,2004 
//
//   					  Email: [e-mail]
//
//			    Compiled with Imagecraft C Compiler for the AVR series
//-----------------------------------------------------------------------------
//
// This file is part of FAT32 File IO Library.
//
// FAT32 File IO Library is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
//
// FAT32 File IO Library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with FAT32 File IO Library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
//-----------------------------------------------------------------------------
//-----------------------------------------------------------------------------

#define SectorDump 0
#define filelistdebug 0

//-----------------------------------------------------------------------------
// IDE Definitions based on IDE Board EDTP PCB V1.0
//-----------------------------------------------------------------------------
// SRAM pins
	#define SET_RAM_ALE       PORTD|=0b10000000
   	#define SET_RAM_CS        PORTG|=0b00000010
// Port A
	#define DATALOW_INPORT      		 PINA
	#define DATALOW_OUTPORT     		 PORTA
	#define DATALOW_DIR         		 DDRA
// Port C
	#define DATAHIGH_DIR        		 DDRC
	#define DATAHIGH_INPORT     		 PINC
	#define DATAHIGH_OUTPORT    		 PORTC

// Control Signals	
	#define CLR_IDE_RD        PORTF&=0b11011111
	#define SET_IDE_RD        PORTF|=0b00100000
	#define CLR_IDE_RST       PORTF&=0b01111111
	#define SET_IDE_RST       PORTF|=0b10000000
   	#define SET_IDE_WR        PORTF|=0b01000000
	#define CLR_IDE_WR        PORTF&=0b10111111	
	
	#define SetAddressOutput  DDRF|= 0b11111111
  
// Address Signals
	#define ADDRESS_PORT      			 PORTF

// Port Directions
	#define ALLINPUT    0x00;
	#define ALLOUTPUT   0xFF;
	#define PULLUPSON   0xFF;	

//-----------------------------------------------------------------------------
//  Board Specific Address Signals (must be on same port)
//-----------------------------------------------------------------------------
	#define IDESIG_RST						 0x80
	#define IDESIG_WR						 0x40
	#define IDESIG_RD						 0x20
	#define IDESIG_A0						 0x10
	#define IDESIG_A1						 0x08
	#define IDESIG_A2						 0x04
	#define IDESIG_CS0						 0x02
	#define IDESIG_CS1						 0x01