baseport/syborg/webcamera/webcamera_driver.inl
changeset 52 0dfaca43d90e
child 124 606eafc6d6a8
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/baseport/syborg/webcamera/webcamera_driver.inl	Wed Mar 24 13:46:59 2010 +0900
@@ -0,0 +1,139 @@
+/*
+* Copyright (c) 2010 ISB.
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of the License "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* ISB - initial contribution.
+*
+* Contributors:
+*
+* Description:
+*
+*/
+
+#ifndef __deviceIFI_H
+#define __deviceIFI_H
+
+/**
+  Returns the driver's name
+*/
+inline const TDesC& RWebcameraDevice::Name()
+    {
+    _LIT(KDriverName,"WebcameraDevice");
+    return KDriverName;
+    }
+
+/**
+  Returns the version number of the driver
+*/
+inline TVersion RWebcameraDevice::VersionRequired()
+    {
+    const TInt KMajorVersionNumber=1;
+    const TInt KMinorVersionNumber=1;
+    const TInt KBuildVersionNumber=0;
+    return TVersion(KMajorVersionNumber,KMinorVersionNumber,KBuildVersionNumber);
+    }
+
+/*
+  NOTE: The following member functions would normally be exported from a seperate client DLL
+  but are included inline in this header file for convenience.
+*/
+
+#ifndef __KERNEL_MODE__
+
+/**
+  Opens a logical channel to the driver
+
+  @return One of the system wide error codes.
+*/
+inline TInt RWebcameraDevice::Open()
+    {
+    return DoCreate(Name(),VersionRequired(),KNullUnit,NULL,NULL,EOwnerThread);
+    }
+
+
+/**
+  Gets the current configuration settings.
+
+  @param aConfig A structure which will be filled with the configuration settings.
+
+  @return KErrNone
+*/
+inline TInt RWebcameraDevice::GetConfig(TConfigBuf& aConfig)
+    {
+    return DoControl(EGetConfig,(TAny*)&aConfig);
+    }
+
+
+/**
+  Sets the current configuration settings.
+
+  @param aConfig The new configuration settings to be used.
+
+  @return KErrInUse if there are outstanding data transfer requests.
+          KErrArgument if any configuration values are invalid.
+          KErrNone otherwise
+*/
+inline TInt RWebcameraDevice::SetConfig(const TConfigBuf& aConfig)
+    {
+    return DoControl(ESetConfig,(TAny*)&aConfig);
+    }
+
+/**
+  Receives image from the device.
+  Only one receive request may be pending at any time.
+
+  @param aStatus The request to be signalled when the data has been received.
+                 The result value will be set to KErrNone on success;
+                 or set to one of the system wide error codes when an error occurs.
+  @param aData   A descriptor to which the received data will be written.
+*/
+inline void RWebcameraDevice::StartViewFinder(TRequestStatus& aStatus,TDes8& aBuffer)
+    {
+	TInt length=BUFSIZE;
+    DoRequest(EStart,aStatus,(TAny*)&aBuffer,(TAny*)&length);
+    }
+
+
+/**
+  Cancels a previous StartViewFinder request.
+*/
+inline void RWebcameraDevice::StartViewFinderCancel()
+    {
+    DoCancel(1<<EStart);
+    }
+
+inline void RWebcameraDevice::StopViewFinder()
+	{
+    DoCancel(1<<EStart);
+	}
+
+/**
+  Capture data from the device.
+  Only one Capture request may be pending at any time.
+
+  @param aStatus The request to be signalled when the data has been captureed.
+                 The result value will be set to KErrNone on success;
+                 or set to one of the system wide error codes when an error occurs.
+  @param aData   A descriptor to which the captured data will be written.
+*/
+inline void RWebcameraDevice::Capture(TRequestStatus& aStatus,TDes8& aBuffer)
+    {
+	TInt length=BUFSIZE;
+    DoRequest(ECapture,aStatus,(TAny*)&aBuffer,(TAny*)&length);
+    }
+
+/**
+  Cancels a previous capture request.
+*/
+inline void RWebcameraDevice::CaptureCancel()
+    {
+	DoCancel(1<<ECapture);
+    }
+#endif   // !__KERNEL_MODE__
+
+#endif