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1 | 32 | kaklik | /****************************************************************************** |
2 | * |
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3 | * Microchip Memory Disk Drive File System |
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4 | * |
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5 | ****************************************************************************** |
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6 | * FileName: CF- Bit transaction.h |
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7 | * Dependencies: GenericTypeDefs.h |
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8 | * FSDefs.h |
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9 | * FSconfig.h |
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10 | * Processor: PIC18/PIC24/dsPIC30/dsPIC33 |
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11 | * Compiler: C18/C30 |
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12 | * Company: Microchip Technology, Inc. |
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13 | * |
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14 | * Software License Agreement |
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15 | * |
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16 | * The software supplied herewith by Microchip Technology Incorporated |
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17 | * (the Company) for its PICmicro® Microcontroller is intended and |
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18 | * supplied to you, the Companys customer, for use solely and |
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19 | * exclusively on Microchip PICmicro Microcontroller products. The |
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20 | * software is owned by the Company and/or its supplier, and is |
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21 | * protected under applicable copyright laws. All rights are reserved. |
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22 | * Any use in violation of the foregoing restrictions may subject the |
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23 | * user to criminal sanctions under applicable laws, as well as to |
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24 | * civil liability for the breach of the terms and conditions of this |
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25 | * license. |
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26 | * |
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27 | * THIS SOFTWARE IS PROVIDED IN AN AS IS CONDITION. NO WARRANTIES, |
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28 | * WHETHER EXPRESS, IMPLIED OR STATUTORY, INCLUDING, BUT NOT LIMITED |
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29 | * TO, IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A |
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30 | * PARTICULAR PURPOSE APPLY TO THIS SOFTWARE. THE COMPANY SHALL NOT, |
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31 | * IN ANY CIRCUMSTANCES, BE LIABLE FOR SPECIAL, INCIDENTAL OR |
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32 | * CONSEQUENTIAL DAMAGES, FOR ANY REASON WHATSOEVER. |
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33 | * |
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34 | *****************************************************************************/ |
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35 | //DOM-IGNORE-BEGIN |
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36 | /******************************************************************** |
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37 | Change History: |
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38 | Rev Description |
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39 | ---- ----------------------- |
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40 | 1.2.4 - 1.2.6 No Change |
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41 | ********************************************************************/ |
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42 | //DOM-IGNORE-END |
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43 | |||
44 | #include "GenericTypeDefs.h" |
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45 | #include "FSconfig.h" |
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46 | #include "FSDefs.h" |
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47 | |||
48 | |||
49 | /********************************************************************************/ |
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50 | /* Macros */ |
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51 | /********************************************************************************/ |
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52 | |||
53 | // Description: A macro to set the CF data bus TRIS register to outputs |
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54 | #define MDD_CFBT_DATABoutput MDD_CFBT_DATADIR = 0; |
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55 | // Description: A macro to set the CF data bus TRIS register to inputs |
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56 | #define MDD_CFBT_DATABinput MDD_CFBT_DATADIR = 0xff; |
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57 | |||
58 | |||
59 | |||
60 | |||
61 | |||
62 | |||
63 | /**********************************************************************************/ |
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64 | /* Defines and structures */ |
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65 | /**********************************************************************************/ |
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66 | |||
67 | // Description: A macro for the data register offset for CF cards |
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68 | #define R_DATA 0 |
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69 | // Description: A macro for the error register offset for CF cards |
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70 | #define R_ERROR 1 |
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71 | // Description: A macro for the count register offset for CF cards |
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72 | #define R_COUNT 2 |
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73 | // Description: A macro for the sector register offset for CF cards |
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74 | #define R_SECT 3 |
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75 | // Description: A macro for the cylinder-low register offset for CF cards |
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76 | #define R_CYLO 4 |
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77 | // Description: A macro for the cylinder-high register offset for CF cards |
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78 | #define R_CYHI 5 |
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79 | // Description: A macro for the drive register offset for CF cards |
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80 | #define R_DRIVE 6 |
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81 | // Description: A macro for the command register offset for CF cards |
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82 | #define R_CMD 7 |
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83 | // Description: A macro for the status offset for CF cards |
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84 | #define R_STATUS 7 |
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85 | |||
86 | // Description: A macro for the CF read comment |
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87 | #define C_SECTOR_READ 0x20 |
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88 | // Description: A macro for the CF drive diagnostic command |
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89 | #define C_DRIVE_DIAG 0x90 |
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90 | // Description: A macro for the CF drive identify command |
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91 | #define C_DRIVE_IDENT 0xEC |
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92 | // Description: A macro for the CF write command |
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93 | #define C_SECTOR_WRITE 0x30 |
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94 | |||
95 | // Description: A macro indicating that the CF status register reports a ready condition |
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96 | #define S_READY 0x58 |
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97 | // Description: A macro indicating that the CF status register reports an error condition |
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98 | #define S_ERROR 0x51 |
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99 | |||
100 | // Description: A macro used to set TRIS register bits to "output" |
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101 | #define OUTPUT 0 |
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102 | // Description: A macro used to set TRIS register bits to "input" |
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103 | #define INPUT 1 |
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104 | |||
105 | #ifndef FALSE |
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106 | #define FALSE 0 |
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107 | #endif |
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108 | #ifndef TRUE |
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109 | #define TRUE !FALSE |
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110 | #endif |
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111 | |||
112 | /***************************************************************************/ |
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113 | /* Prototypes */ |
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114 | /***************************************************************************/ |
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115 | |||
116 | void MDD_CFBT_InitIO( void); |
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117 | BYTE MDD_CFBT_MediaDetect( void); |
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118 | BYTE MDD_CFBT_WriteProtectState (void); |
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119 | BYTE MDD_CFBT_CFread( BYTE add); |
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120 | void MDD_CFBT_CFwrite( BYTE add, BYTE d); |
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121 | void MDD_CFBT_CFwait(void); |
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122 | |||
123 | BYTE MDD_CFBT_SectorRead( DWORD lda, BYTE * buf); |
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124 | BYTE MDD_CFBT_SectorWrite( DWORD lda, BYTE * buf, BYTE allowWriteToZero); |
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125 | MEDIA_INFORMATION * MDD_CFBT_MediaInitialize (void); |
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126 | |||
127 | #ifdef __C30__ |
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128 | extern BYTE ReadByte( BYTE* pBuffer, WORD index ); |
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129 | extern WORD ReadWord( BYTE* pBuffer, WORD index ); |
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130 | extern DWORD ReadDWord( BYTE* pBuffer, WORD index ); |
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131 | #endif |
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