1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
|
/******************************************************************************
*
* Microchip Memory Disk Drive File System
*
******************************************************************************
* FileName: CF-PMP.h
* Dependencies: GenericTypeDefs.h
* FSDefs.h
* FSconfig.h
* Processor: PIC24/dsPIC30/dsPIC33
* Compiler: C30
* Company: Microchip Technology, Inc.
* Version: 1.2.0
*
* Software License Agreement
*
* The software supplied herewith by Microchip Technology Incorporated
* (the “Company”) for its PICmicro® Microcontroller is intended and
* supplied to you, the Company’s customer, for use solely and
* exclusively on Microchip PICmicro Microcontroller products. The
* software is owned by the Company and/or its supplier, and is
* protected under applicable copyright laws. All rights are reserved.
* Any use in violation of the foregoing restrictions may subject the
* user to criminal sanctions under applicable laws, as well as to
* civil liability for the breach of the terms and conditions of this
* license.
*
* THIS SOFTWARE IS PROVIDED IN AN “AS IS” CONDITION. NO WARRANTIES,
* WHETHER EXPRESS, IMPLIED OR STATUTORY, INCLUDING, BUT NOT LIMITED
* TO, IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
* PARTICULAR PURPOSE APPLY TO THIS SOFTWARE. THE COMPANY SHALL NOT,
* IN ANY CIRCUMSTANCES, BE LIABLE FOR SPECIAL, INCIDENTAL OR
* CONSEQUENTIAL DAMAGES, FOR ANY REASON WHATSOEVER.
*
*****************************************************************************/
#include "GenericTypeDefs.h"
#include "FSconfig.h"
#include "FSDefs.h"
/*******************************************************************************/
/* Macros */
/*******************************************************************************/
// Description: A macro to set the CF data bus TRIS register to outputs
#define MDD_CFPMP_DATABoutput MDD_CFPMP_DATADIR = 0;
// Description: A macro to set the CF data bus TRIS register to inputs
#define MDD_CFPMP_DATABinput MDD_CFPMP_DATADIR = 0xff;
/*******************************************************************************/
/* Structure and defines */
/*******************************************************************************/
// Description: A macro for the data register offset for CF cards
#define R_DATA 0
// Description: A macro for the error register offset for CF cards
#define R_ERROR 1
// Description: A macro for the count register offset for CF cards
#define R_COUNT 2
// Description: A macro for the sector register offset for CF cards
#define R_SECT 3
// Description: A macro for the cylinder-low register offset for CF cards
#define R_CYLO 4
// Description: A macro for the cylinder-high register offset for CF cards
#define R_CYHI 5
// Description: A macro for the drive register offset for CF cards
#define R_DRIVE 6
// Description: A macro for the command register offset for CF cards
#define R_CMD 7
// Description: A macro for the status offset for CF cards
#define R_STATUS 7
// Description: A macro for the CF read comment
#define C_SECTOR_READ 0x20
// Description: A macro for the CF drive diagnostic command
#define C_DRIVE_DIAG 0x90
// Description: A macro for the CF drive identify command
#define C_DRIVE_IDENT 0xEC
// Description: A macro for the CF write command
#define C_SECTOR_WRITE 0x30
// Description: A macro indicating that the CF status register reports a ready condition
#define S_READY 0x58
// Description: A macro indicating that the CF status register reports an error condition
#define S_ERROR 0x51
// Description: A macro used to set TRIS register bits to output
#define OUTPUT 0
// Description: A macro used to set TRIS register bits to input
#define INPUT 1
#ifndef FALSE
#define FALSE 0
#endif
#ifndef TRUE
#define TRUE !FALSE
#endif
// The initialization function for CF cards (no initialization required)
#define MDD_CFPMP_MediaInitialize() TRUE
/************************************************************************/
/* Prototypes */
/************************************************************************/
void MDD_CFPMP_InitIO( void);
BYTE MDD_CFPMP_MediaDetect( void);
BYTE MDD_CFPMP_WriteProtectState (void);
BYTE MDD_CFPMP_CFread( BYTE add);
void MDD_CFPMP_CFwrite( BYTE add, BYTE d);
void MDD_CFPMP_CFwait(void);
BYTE MDD_CFPMP_SectorRead( DWORD lda, BYTE * buf);
BYTE MDD_CFPMP_SectorWrite( DWORD lda, BYTE * buf, BYTE allowWriteToZero);
#ifdef __C30__
extern BYTE ReadByte( BYTE* pBuffer, WORD index );
extern WORD ReadWord( BYTE* pBuffer, WORD index );
extern DWORD ReadDWord( BYTE* pBuffer, WORD index );
#endif
|