124 lines
3.1 KiB
C
124 lines
3.1 KiB
C
//
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// usbrequest.c
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//
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// USPi - An USB driver for Raspberry Pi written in C
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// Copyright (C) 2014 R. Stange <rsta2@o2online.de>
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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//
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#include <uspi/usbrequest.h>
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#include <uspi/assert.h>
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void USBRequest (TUSBRequest *pThis, TUSBEndpoint *pEndpoint, void *pBuffer, u32 nBufLen, TSetupData *pSetupData)
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{
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assert (pThis != 0);
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pThis->m_pEndpoint = pEndpoint;
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pThis->m_pSetupData = pSetupData;
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pThis->m_pBuffer = pBuffer;
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pThis->m_nBufLen = nBufLen;
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pThis->m_bStatus = 0;
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pThis->m_nResultLen = 0;
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pThis->m_pCompletionRoutine = 0;
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pThis->m_pCompletionParam = 0;
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pThis->m_pCompletionContext = 0;
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assert (pThis->m_pEndpoint != 0);
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assert (pThis->m_pBuffer != 0 || pThis->m_nBufLen == 0);
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}
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void _USBRequest (TUSBRequest *pThis)
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{
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assert (pThis != 0);
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pThis->m_pEndpoint = 0;
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pThis->m_pSetupData = 0;
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pThis->m_pBuffer = 0;
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pThis->m_pCompletionRoutine = 0;
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}
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TUSBEndpoint *USBRequestGetEndpoint (TUSBRequest *pThis)
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{
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assert (pThis != 0);
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assert (pThis->m_pEndpoint != 0);
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return pThis->m_pEndpoint;
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}
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void USBRequestSetStatus (TUSBRequest *pThis, int bStatus)
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{
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assert (pThis != 0);
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pThis->m_bStatus = bStatus;
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}
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void USBRequestSetResultLen (TUSBRequest *pThis, u32 nLength)
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{
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assert (pThis != 0);
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pThis->m_nResultLen = nLength;
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}
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int USBRequestGetStatus (TUSBRequest *pThis)
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{
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assert (pThis != 0);
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return pThis->m_bStatus;
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}
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u32 USBRequestGetResultLength (TUSBRequest *pThis)
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{
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assert (pThis != 0);
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assert (pThis->m_bStatus);
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return pThis->m_nResultLen;
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}
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TSetupData *USBRequestGetSetupData (TUSBRequest *pThis)
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{
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assert (pThis != 0);
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assert (USBEndpointGetType (pThis->m_pEndpoint) == EndpointTypeControl);
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assert (pThis->m_pSetupData != 0);
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return pThis->m_pSetupData;
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}
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void *USBRequestGetBuffer (TUSBRequest *pThis)
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{
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assert (pThis != 0);
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assert ( pThis->m_pBuffer != 0
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|| pThis->m_nBufLen == 0);
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return pThis->m_pBuffer;
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}
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u32 USBRequestGetBufLen (TUSBRequest *pThis)
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{
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assert (pThis != 0);
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return pThis->m_nBufLen;
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}
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void USBRequestSetCompletionRoutine (TUSBRequest *pThis, TURBCompletionRoutine *pRoutine, void *pParam, void *pContext)
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{
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assert (pThis != 0);
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pThis->m_pCompletionRoutine = pRoutine;
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pThis->m_pCompletionParam = pParam;
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pThis->m_pCompletionContext = pContext;
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assert (pThis->m_pCompletionRoutine != 0);
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}
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void USBRequestCallCompletionRoutine (TUSBRequest *pThis)
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{
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assert (pThis != 0);
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assert (pThis->m_pCompletionRoutine != 0);
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(*pThis->m_pCompletionRoutine) (pThis, pThis->m_pCompletionParam, pThis->m_pCompletionContext);
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}
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