/********************************************************************* * * Microchip USB C18 Firmware Version 1.0 * ********************************************************************* * FileName: usbdefs_ep0_buff.h * Dependencies: See INCLUDES section below * Processor: PIC18 * Compiler: C18 2.30.01+ * Company: Microchip Technology, Inc. * * 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. * * Author Date Comment *~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ * Rawin Rojvanit 11/19/04 Original. ********************************************************************/ /****************************************************************************** * USB Definitions: Endpoint 0 Buffer *****************************************************************************/ #ifndef USBDEFS_EP0_BUFF_H #define USBDEFS_EP0_BUFF_H /** I N C L U D E S **********************************************************/ #include "typedefs.h" #include "usbcfg.h" // usbcfg.h contains required definitions /****************************************************************************** * CTRL_TRF_SETUP: * * Every setup packet has 8 bytes. * However, the buffer size has to equal the EP0_BUFF_SIZE value specified * in autofiles\usbcfg.h * The value of EP0_BUFF_SIZE can be 8, 16, 32, or 64. * * First 8 bytes are defined to be directly addressable to improve speed * and reduce code size. * Bytes beyond the 8th byte have to be accessed using indirect addressing. *****************************************************************************/ typedef union _CTRL_TRF_SETUP { /** Array for indirect addressing ****************************************/ struct { byte _byte[EP0_BUFF_SIZE]; }; /** Standard Device Requests *********************************************/ struct { byte bmRequestType; byte bRequest; word wValue; word wIndex; word wLength; }; struct { unsigned :8; unsigned :8; WORD W_Value; WORD W_Index; WORD W_Length; }; struct { unsigned Recipient:5; //Device,Interface,Endpoint,Other unsigned RequestType:2; //Standard,Class,Vendor,Reserved unsigned DataDir:1; //Host-to-device,Device-to-host unsigned :8; byte bFeature; //DEVICE_REMOTE_WAKEUP,ENDPOINT_HALT unsigned :8; unsigned :8; unsigned :8; unsigned :8; unsigned :8; }; struct { unsigned :8; unsigned :8; byte bDscIndex; //For Configuration and String DSC Only byte bDscType; //Device,Configuration,String word wLangID; //Language ID unsigned :8; unsigned :8; }; struct { unsigned :8; unsigned :8; BYTE bDevADR; //Device Address 0-127 byte bDevADRH; //Must equal zero unsigned :8; unsigned :8; unsigned :8; unsigned :8; }; struct { unsigned :8; unsigned :8; byte bCfgValue; //Configuration Value 0-255 byte bCfgRSD; //Must equal zero (Reserved) unsigned :8; unsigned :8; unsigned :8; unsigned :8; }; struct { unsigned :8; unsigned :8; byte bAltID; //Alternate Setting Value 0-255 byte bAltID_H; //Must equal zero byte bIntfID; //Interface Number Value 0-255 byte bIntfID_H; //Must equal zero unsigned :8; unsigned :8; }; struct { unsigned :8; unsigned :8; unsigned :8; unsigned :8; byte bEPID; //Endpoint ID (Number & Direction) byte bEPID_H; //Must equal zero unsigned :8; unsigned :8; }; struct { unsigned :8; unsigned :8; unsigned :8; unsigned :8; unsigned EPNum:4; //Endpoint Number 0-15 unsigned :3; unsigned EPDir:1; //Endpoint Direction: 0-OUT, 1-IN unsigned :8; unsigned :8; unsigned :8; }; /** End: Standard Device Requests ****************************************/ } CTRL_TRF_SETUP; /****************************************************************************** * CTRL_TRF_DATA: * * Buffer size has to equal the EP0_BUFF_SIZE value specified * in autofiles\usbcfg.h * The value of EP0_BUFF_SIZE can be 8, 16, 32, or 64. * * First 8 bytes are defined to be directly addressable to improve speed * and reduce code size. * Bytes beyond the 8th byte have to be accessed using indirect addressing. *****************************************************************************/ typedef union _CTRL_TRF_DATA { /** Array for indirect addressing ****************************************/ struct { byte _byte[EP0_BUFF_SIZE]; }; /** First 8-byte direct addressing ***************************************/ struct { byte _byte0; byte _byte1; byte _byte2; byte _byte3; byte _byte4; byte _byte5; byte _byte6; byte _byte7; }; struct { word _word0; word _word1; word _word2; word _word3; }; } CTRL_TRF_DATA; #endif //USBDEFS_EP0_BUFF_H