firmware/usbdefs_ep0_buff.h
author cpresser@rika
Thu, 07 Feb 2008 00:18:02 +0000
changeset 10 9798f65f2f35
parent 2 2f55e5dd591d
permissions -rw-r--r--
thx @arghgra. defined variable != declared variable
     1 /*********************************************************************
     2  *
     3  *                Microchip USB C18 Firmware Version 1.0
     4  *
     5  *********************************************************************
     6  * FileName:        usbdefs_ep0_buff.h
     7  * Dependencies:    See INCLUDES section below
     8  * Processor:       PIC18
     9  * Compiler:        C18 2.30.01+
    10  * Company:         Microchip Technology, Inc.
    11  *
    12  * Software License Agreement
    13  *
    14  * The software supplied herewith by Microchip Technology Incorporated
    15  * (the “Company”) for its PICmicro® Microcontroller is intended and
    16  * supplied to you, the Company’s customer, for use solely and
    17  * exclusively on Microchip PICmicro Microcontroller products. The
    18  * software is owned by the Company and/or its supplier, and is
    19  * protected under applicable copyright laws. All rights are reserved.
    20  * Any use in violation of the foregoing restrictions may subject the
    21  * user to criminal sanctions under applicable laws, as well as to
    22  * civil liability for the breach of the terms and conditions of this
    23  * license.
    24  *
    25  * THIS SOFTWARE IS PROVIDED IN AN “AS IS” CONDITION. NO WARRANTIES,
    26  * WHETHER EXPRESS, IMPLIED OR STATUTORY, INCLUDING, BUT NOT LIMITED
    27  * TO, IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
    28  * PARTICULAR PURPOSE APPLY TO THIS SOFTWARE. THE COMPANY SHALL NOT,
    29  * IN ANY CIRCUMSTANCES, BE LIABLE FOR SPECIAL, INCIDENTAL OR
    30  * CONSEQUENTIAL DAMAGES, FOR ANY REASON WHATSOEVER.
    31  *
    32  * Author               Date        Comment
    33  *~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    34  * Rawin Rojvanit       11/19/04    Original.
    35  ********************************************************************/
    36 
    37 /******************************************************************************
    38  * USB Definitions: Endpoint 0 Buffer
    39  *****************************************************************************/
    40 #ifndef USBDEFS_EP0_BUFF_H
    41 #define USBDEFS_EP0_BUFF_H
    42 
    43 /** I N C L U D E S **********************************************************/
    44 #include "typedefs.h"
    45 #include "usbcfg.h"       // usbcfg.h contains required definitions
    46 
    47 /******************************************************************************
    48  * CTRL_TRF_SETUP:
    49  *
    50  * Every setup packet has 8 bytes.
    51  * However, the buffer size has to equal the EP0_BUFF_SIZE value specified
    52  * in autofiles\usbcfg.h
    53  * The value of EP0_BUFF_SIZE can be 8, 16, 32, or 64.
    54  *
    55  * First 8 bytes are defined to be directly addressable to improve speed
    56  * and reduce code size.
    57  * Bytes beyond the 8th byte have to be accessed using indirect addressing.
    58  *****************************************************************************/
    59 typedef union _CTRL_TRF_SETUP
    60 {
    61     /** Array for indirect addressing ****************************************/
    62     struct
    63     {
    64         byte _byte[EP0_BUFF_SIZE];
    65     };
    66     
    67     /** Standard Device Requests *********************************************/
    68     struct
    69     {
    70         byte bmRequestType;
    71         byte bRequest;    
    72         word wValue;
    73         word wIndex;
    74         word wLength;
    75     };
    76     struct
    77     {
    78         unsigned :8;
    79         unsigned :8;
    80         WORD W_Value;
    81         WORD W_Index;
    82         WORD W_Length;
    83     };
    84     struct
    85     {
    86         unsigned Recipient:5;           //Device,Interface,Endpoint,Other
    87         unsigned RequestType:2;         //Standard,Class,Vendor,Reserved
    88         unsigned DataDir:1;             //Host-to-device,Device-to-host
    89         unsigned :8;
    90         byte bFeature;                  //DEVICE_REMOTE_WAKEUP,ENDPOINT_HALT
    91         unsigned :8;
    92         unsigned :8;
    93         unsigned :8;
    94         unsigned :8;
    95         unsigned :8;
    96     };
    97     struct
    98     {
    99         unsigned :8;
   100         unsigned :8;
   101         byte bDscIndex;                 //For Configuration and String DSC Only
   102         byte bDscType;                  //Device,Configuration,String
   103         word wLangID;                   //Language ID
   104         unsigned :8;
   105         unsigned :8;
   106     };
   107     struct
   108     {
   109         unsigned :8;
   110         unsigned :8;
   111         BYTE bDevADR;                   //Device Address 0-127
   112         byte bDevADRH;                  //Must equal zero
   113         unsigned :8;
   114         unsigned :8;
   115         unsigned :8;
   116         unsigned :8;
   117     };
   118     struct
   119     {
   120         unsigned :8;
   121         unsigned :8;
   122         byte bCfgValue;                 //Configuration Value 0-255
   123         byte bCfgRSD;                   //Must equal zero (Reserved)
   124         unsigned :8;
   125         unsigned :8;
   126         unsigned :8;
   127         unsigned :8;
   128     };
   129     struct
   130     {
   131         unsigned :8;
   132         unsigned :8;
   133         byte bAltID;                    //Alternate Setting Value 0-255
   134         byte bAltID_H;                  //Must equal zero
   135         byte bIntfID;                   //Interface Number Value 0-255
   136         byte bIntfID_H;                 //Must equal zero
   137         unsigned :8;
   138         unsigned :8;
   139     };
   140     struct
   141     {
   142         unsigned :8;
   143         unsigned :8;
   144         unsigned :8;
   145         unsigned :8;
   146         byte bEPID;                     //Endpoint ID (Number & Direction)
   147         byte bEPID_H;                   //Must equal zero
   148         unsigned :8;
   149         unsigned :8;
   150     };
   151     struct
   152     {
   153         unsigned :8;
   154         unsigned :8;
   155         unsigned :8;
   156         unsigned :8;
   157         unsigned EPNum:4;               //Endpoint Number 0-15
   158         unsigned :3;
   159         unsigned EPDir:1;               //Endpoint Direction: 0-OUT, 1-IN
   160         unsigned :8;
   161         unsigned :8;
   162         unsigned :8;
   163     };
   164     /** End: Standard Device Requests ****************************************/
   165     
   166 } CTRL_TRF_SETUP;
   167 
   168 /******************************************************************************
   169  * CTRL_TRF_DATA:
   170  *
   171  * Buffer size has to equal the EP0_BUFF_SIZE value specified
   172  * in autofiles\usbcfg.h
   173  * The value of EP0_BUFF_SIZE can be 8, 16, 32, or 64.
   174  *
   175  * First 8 bytes are defined to be directly addressable to improve speed
   176  * and reduce code size.
   177  * Bytes beyond the 8th byte have to be accessed using indirect addressing.
   178  *****************************************************************************/
   179 typedef union _CTRL_TRF_DATA
   180 {
   181     /** Array for indirect addressing ****************************************/
   182     struct
   183     {
   184         byte _byte[EP0_BUFF_SIZE];
   185     };
   186     
   187     /** First 8-byte direct addressing ***************************************/
   188     struct
   189     {
   190         byte _byte0;
   191         byte _byte1;
   192         byte _byte2;
   193         byte _byte3;
   194         byte _byte4;
   195         byte _byte5;
   196         byte _byte6;
   197         byte _byte7;
   198     };
   199     struct
   200     {
   201         word _word0;
   202         word _word1;
   203         word _word2;
   204         word _word3;
   205     };
   206 
   207 } CTRL_TRF_DATA;
   208 
   209 #endif //USBDEFS_EP0_BUFF_H