| Line No. | Rev | Author | Line |
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| 1 | 32 | kaklik | /****************************************************************************** |
| 2 | |||
| 3 | USB PIC18-Specific Header |
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| 4 | |||
| 5 | This file defines PIC18-specific items. |
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| 6 | |||
| 7 | |||
| 8 | Software License Agreement |
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| 9 | |||
| 10 | The software supplied herewith by Microchip Technology Incorporated |
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| 11 | (the Company) for its PICmicro® Microcontroller is intended and |
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| 12 | supplied to you, the Companys customer, for use solely and |
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| 13 | exclusively on Microchip PICmicro Microcontroller products. The |
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| 14 | software is owned by the Company and/or its supplier, and is |
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| 15 | protected under applicable copyright laws. All rights are reserved. |
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| 16 | Any use in violation of the foregoing restrictions may subject the |
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| 17 | user to criminal sanctions under applicable laws, as well as to |
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| 18 | civil liability for the breach of the terms and conditions of this |
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| 19 | license. |
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| 20 | |||
| 21 | THIS SOFTWARE IS PROVIDED IN AN AS IS CONDITION. NO WARRANTIES, |
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| 22 | WHETHER EXPRESS, IMPLIED OR STATUTORY, INCLUDING, BUT NOT LIMITED |
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| 23 | TO, IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A |
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| 24 | PARTICULAR PURPOSE APPLY TO THIS SOFTWARE. THE COMPANY SHALL NOT, |
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| 25 | IN ANY CIRCUMSTANCES, BE LIABLE FOR SPECIAL, INCIDENTAL OR |
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| 26 | CONSEQUENTIAL DAMAGES, FOR ANY REASON WHATSOEVER. |
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| 27 | |||
| 28 | Change History: |
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| 29 | Rev Description |
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| 30 | ---------- ---------------------------------------------------------- |
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| 31 | 2.6 - 2.7a No change |
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| 32 | |||
| 33 | *******************************************************************************/ |
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| 34 | |||
| 35 | |||
| 36 | |||
| 37 | // To Do: Put all PIC18-specific USB HW definitions here, |
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| 38 | |||
| 39 | #define KVA_TO_PA(v) v |
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| 40 | #define PA_TO_KVA0(pa) pa |
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| 41 | #define PA_TO_KVA1(pa) pa |
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| 42 | #define GET_PHYSICAL_ADDRESS(v) (v) |
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| 43 | |||
| 44 | |||
| 45 | /* translate betwwen KSEG0 and KSEG1 virtual addresses */ |
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| 46 | #define KVA0_TO_KVA1(v) ((v) | 0x20000000) |
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| 47 | #define KVA1_TO_KVA0(v) ((v) & ~0x20000000) |
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| 48 | |||
| 49 | |||
| 50 | /******************************************************************** |
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| 51 | * USB - PIC Endpoint Definitions |
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| 52 | * PIC Endpoint Address Format: X:EP3:EP2:EP1:EP0:DIR:PPBI:X |
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| 53 | * This is used when checking the value read from USTAT |
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| 54 | * |
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| 55 | * NOTE: These definitions are not used in the descriptors. |
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| 56 | * EP addresses used in the descriptors have different format. |
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| 57 | *******************************************************************/ |
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| 58 | #define USTAT_EP0_PP_MASK ~0x02 |
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| 59 | #define USTAT_EP_MASK 0x7E |
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| 60 | #define USTAT_EP0_OUT 0x00 |
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| 61 | #define USTAT_EP0_OUT_EVEN 0x00 |
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| 62 | #define USTAT_EP0_OUT_ODD 0x02 |
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| 63 | |||
| 64 | #define USTAT_EP0_IN 0x04 |
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| 65 | #define USTAT_EP0_IN_EVEN 0x04 |
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| 66 | #define USTAT_EP0_IN_ODD 0x06 |
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| 67 | |||
| 68 | |||
| 69 | //****************************************************************************** |
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| 70 | // USB Endpoint Control Registers |
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| 71 | // |
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| 72 | // In USB Host mode, only EP0 control registers are used. The other registers |
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| 73 | // should be disabled. |
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| 74 | //****************************************************************************** |
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| 75 | typedef union |
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| 76 | { |
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| 77 | BYTE UEP[16]; |
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| 78 | } _UEP; |
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| 79 | |||
| 80 | #define UEP_STALL 0x0002 |
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| 81 | |||
| 82 | |||
| 83 | /******************************************************************** |
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| 84 | * Buffer Descriptor Status Register |
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| 85 | *******************************************************************/ |
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| 86 | |||
| 87 | /* Buffer Descriptor Status Register Initialization Parameters */ |
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| 88 | #define _BSTALL 0x04 //Buffer Stall enable |
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| 89 | #define _DTSEN 0x08 //Data Toggle Synch enable |
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| 90 | #define _INCDIS 0x10 //Address increment disable |
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| 91 | #define _KEN 0x20 //SIE keeps buff descriptors enable |
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| 92 | #define _DAT0 0x00 //DATA0 packet expected next |
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| 93 | #define _DAT1 0x40 //DATA1 packet expected next |
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| 94 | #define _DTSMASK 0x40 //DTS Mask |
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| 95 | #define _USIE 0x80 //SIE owns buffer |
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| 96 | #define _UCPU 0x00 //CPU owns buffer |
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| 97 | |||
| 98 | #define _STAT_MASK 0xFF |
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| 99 | |||
| 100 | /* BDT entry structure definition */ |
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| 101 | typedef union _BD_STAT |
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| 102 | { |
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| 103 | BYTE Val; |
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| 104 | struct{ |
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| 105 | //If the CPU owns the buffer then these are the values |
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| 106 | unsigned BC8:1; //bit 8 of the byte count |
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| 107 | unsigned BC9:1; //bit 9 of the byte count |
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| 108 | unsigned BSTALL:1; //Buffer Stall Enable |
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| 109 | unsigned DTSEN:1; //Data Toggle Synch Enable |
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| 110 | unsigned INCDIS:1; //Address Increment Disable |
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| 111 | unsigned KEN:1; //BD Keep Enable |
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| 112 | unsigned DTS:1; //Data Toggle Synch Value |
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| 113 | unsigned UOWN:1; //USB Ownership |
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| 114 | }; |
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| 115 | struct{ |
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| 116 | //if the USB module owns the buffer then these are |
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| 117 | // the values |
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| 118 | unsigned BC8:1; //bit 8 of the byte count |
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| 119 | unsigned BC9:1; //bit 9 of the byte count |
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| 120 | unsigned PID0:1; //Packet Identifier |
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| 121 | unsigned PID1:1; |
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| 122 | unsigned PID2:1; |
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| 123 | unsigned PID3:1; |
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| 124 | unsigned :1; |
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| 125 | unsigned UOWN:1; //USB Ownership |
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| 126 | }; |
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| 127 | struct{ |
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| 128 | unsigned :2; |
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| 129 | unsigned PID:4; //Packet Identifier |
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| 130 | unsigned :2; |
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| 131 | }; |
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| 132 | } BD_STAT; //Buffer Descriptor Status Register |
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| 133 | |||
| 134 | |||
| 135 | /******************************************************************** |
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| 136 | * Buffer Descriptor Table Mapping |
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| 137 | *******************************************************************/ |
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| 138 | |||
| 139 | // BDT Entry Layout |
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| 140 | typedef union __BDT |
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| 141 | { |
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| 142 | struct |
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| 143 | { |
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| 144 | BD_STAT STAT; |
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| 145 | BYTE CNT; |
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| 146 | BYTE ADRL; //Buffer Address Low |
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| 147 | BYTE ADRH; //Buffer Address High |
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| 148 | }; |
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| 149 | struct |
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| 150 | { |
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| 151 | unsigned :8; |
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| 152 | unsigned :8; |
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| 153 | BYTE* ADR; //Buffer Address |
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| 154 | }; |
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| 155 | DWORD Val; |
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| 156 | BYTE v[4]; |
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| 157 | } BDT_ENTRY; |
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| 158 | |||
| 159 | |||
| 160 | /**************************************************************** |
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| 161 | Function: |
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| 162 | void USBPowerModule(void) |
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| 163 | |||
| 164 | Description: |
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| 165 | This macro is used to power up the USB module if required<br> |
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| 166 | PIC18: defines as nothing<br> |
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| 167 | PIC24: defines as U1PWRCbits.USBPWR = 1;<br> |
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| 168 | |||
| 169 | Precondition: |
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| 170 | None |
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| 171 | |||
| 172 | Parameters: |
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| 173 | None |
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| 174 | |||
| 175 | Return Values: |
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| 176 | None |
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| 177 | |||
| 178 | Remarks: |
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| 179 | None |
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| 180 | |||
| 181 | ****************************************************************/ |
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| 182 | #define USBPowerModule() |
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| 183 | |||
| 184 | /**************************************************************** |
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| 185 | Function: |
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| 186 | USBSetBDTAddress(addr) |
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| 187 | |||
| 188 | Description: |
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| 189 | This macro is used to power up the USB module if required |
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| 190 | |||
| 191 | Precondition: |
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| 192 | None |
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| 193 | |||
| 194 | Parameters: |
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| 195 | None |
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| 196 | |||
| 197 | Return Values: |
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| 198 | None |
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| 199 | |||
| 200 | Remarks: |
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| 201 | None |
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| 202 | |||
| 203 | ****************************************************************/ |
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| 204 | #define USBSetBDTAddress(addr) |
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| 205 | #define USBPingPongBufferReset UCONbits.PPBRST |
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| 206 | |||
| 207 | #define USBTransactionCompleteIE UIEbits.TRNIE |
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| 208 | #define USBTransactionCompleteIF UIRbits.TRNIF |
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| 209 | #define USBTransactionCompleteIFReg (BYTE*)&UIR |
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| 210 | #define USBTransactionCompleteIFBitNum 3 |
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| 211 | |||
| 212 | #define USBResetIE UIEbits.URSTIE |
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| 213 | #define USBResetIF UIRbits.URSTIF |
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| 214 | #define USBResetIFReg (BYTE*)&UIR |
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| 215 | #define USBResetIFBitNum 0 |
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| 216 | |||
| 217 | #define USBIdleIE UIEbits.IDLEIE |
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| 218 | #define USBIdleIF UIRbits.IDLEIF |
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| 219 | #define USBIdleIFReg (BYTE*)&UIR |
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| 220 | #define USBIdleIFBitNum 4 |
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| 221 | |||
| 222 | #define USBActivityIE UIEbits.ACTVIE |
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| 223 | #define USBActivityIF UIRbits.ACTVIF |
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| 224 | #define USBActivityIFReg (BYTE*)&UIR |
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| 225 | #define USBActivityIFBitNum 2 |
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| 226 | |||
| 227 | #define USBSOFIE UIEbits.SOFIE |
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| 228 | #define USBSOFIF UIRbits.SOFIF |
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| 229 | #define USBSOFIFReg (BYTE*)&UIR |
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| 230 | #define USBSOFIFBitNum 6 |
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| 231 | |||
| 232 | #define USBStallIE UIEbits.STALLIE |
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| 233 | #define USBStallIF UIRbits.STALLIF |
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| 234 | #define USBStallIFReg (BYTE*)&UIR |
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| 235 | #define USBStallIFBitNum 5 |
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| 236 | |||
| 237 | #define USBErrorIE UIEbits.UERRIE |
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| 238 | #define USBErrorIF UIRbits.UERRIF |
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| 239 | #define USBErrorIFReg (BYTE*)&UIR |
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| 240 | #define USBErrorIFBitNum 1 |
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| 241 | |||
| 242 | #define USBSE0Event UCONbits.SE0 |
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| 243 | #define USBSuspendControl UCONbits.SUSPND |
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| 244 | #define USBPacketDisable UCONbits.PKTDIS |
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| 245 | #define USBResumeControl UCONbits.RESUME |
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| 246 | |||
| 247 | |||
| 248 |
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