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//###########################################################################
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//
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// FILE: tiusbdll.h
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//
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// TITLE: A thin layer over WinUSB allowing device open/close/
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// read and write functionality.
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//
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//###########################################################################
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//
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// $Release Date: $
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// $Copyright:
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// Copyright (C) 2013-2024 Texas Instruments Incorporated - http://www.ti.com/
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions
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// are met:
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//
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// Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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//
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// Redistributions in binary form must reproduce the above copyright
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// notice, this list of conditions and the following disclaimer in the
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// documentation and/or other materials provided with the
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// distribution.
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//
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// Neither the name of Texas Instruments Incorporated nor the names of
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// its contributors may be used to endorse or promote products derived
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// from this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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// $
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//###########################################################################
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#ifdef __cplusplus
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#pragma once
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#ifndef __AFXWIN_H__
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#error "include 'stdafx.h' before including this file for PCH"
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#endif
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//
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// Functions exported by this DLL.
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//
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extern "C" {
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#endif
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//
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// A handle returned by InitializeDevice().
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//
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typedef void *TIUSB_HANDLE;
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//
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// Flags used in constructing the ucRequestType parameter to
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// Endpoint0Transfer().
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//
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#define REQUEST_TRANSFER_IN 0x80
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#define REQUEST_TRANSFER_OUT 0x00
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#define REQUEST_TYPE_STANDARD 0x00
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#define REQUEST_TYPE_CLASS 0x20
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#define REQUEST_TYPE_VENDOR 0x40
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#define REQUEST_RECIPIENT_DEVICE 0x00
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#define REQUEST_RECIPIENT_INTERFACE 0x01
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#define REQUEST_RECIPIENT_ENDPOINT 0x02
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#define REQUEST_RECIPIENT_OTHER 0x03
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//
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// Function Prototypes exported by the DLL.
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//
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TIUSB_HANDLE __stdcall InitializeDevice(unsigned short usVID,
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unsigned short usPID,
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LPGUID lpGUID,
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BOOL *pbDriverInstalled);
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TIUSB_HANDLE __stdcall InitializeDeviceByIndex(unsigned short usVID,
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unsigned short usPID,
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LPGUID lpGUID,
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DWORD dwIndex,
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BOOL bOpenDataEndpoints,
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BOOL *pbDriverInstalled);
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BOOL __stdcall TerminateDevice(TIUSB_HANDLE hHandle);
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BOOL __stdcall WriteUSBPacket(TIUSB_HANDLE hHandle,
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unsigned char *pcBuffer,
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unsigned long ulSize,
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unsigned long *pulWritten);
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DWORD __stdcall ReadUSBPacket(TIUSB_HANDLE hHandle,
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unsigned char *pcBuffer,
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unsigned long ulSize,
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unsigned long *pulRead,
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unsigned long ulTimeoutMs,
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HANDLE hBreak);
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BOOL __stdcall Endpoint0Transfer(TIUSB_HANDLE hHandle, UCHAR ucRequestType,
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UCHAR ucRequest, USHORT usValue,
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USHORT usIndex, USHORT usLength,
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PUCHAR pucBuffer, PUSHORT pusCount);
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//
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// Typedefs for each of the exported functions. This helps if applications
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// want to link the DLL dynamically using LoadLibrary rather than linking
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// directly to the lib file.
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//
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typedef TIUSB_HANDLE (__stdcall *tInitializeDevice)(unsigned short usVID,
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unsigned short usPID,
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LPGUID lpGUID,
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BOOL *pbDriverInstalled);
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typedef BOOL (__stdcall *tTerminateDevice)(TIUSB_HANDLE hHandle);
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typedef BOOL (__stdcall *tWriteUSBPacket)(TIUSB_HANDLE hHandle,
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unsigned char *pcBuffer,
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unsigned long ulSize,
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unsigned long *pulWritten);
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typedef DWORD (__stdcall *tReadUSBPacket)(TIUSB_HANDLE hHandle,
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unsigned char *pcBuffer,
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unsigned long ulSize,
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unsigned long *pulRead,
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unsigned long ulTimeoutMs,
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HANDLE hBreak);
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typedef DWORD (__stdcall *tEndpoint0Transfer)(TIUSB_HANDLE hHandle,
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UCHAR ucRequestType,
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UCHAR ucRequest, USHORT usValue,
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USHORT usIndex, USHORT usLength,
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PUCHAR pucBuffer,
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PUSHORT pusCount);
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#ifdef __cplusplus
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}
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#endif
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//
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// End of file
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//
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