diff options
| author | Harald Welte <laforge@gnumonks.org> | 2011-07-04 20:52:54 +0200 |
|---|---|---|
| committer | Harald Welte <laforge@gnumonks.org> | 2011-07-04 20:52:54 +0200 |
| commit | 044ad7c3987460ede48ff27afd6bdb0ca05a0432 (patch) | |
| tree | 924818cdb0d39ca08aec540d18da7bd406eaae8c /usb/common/audio/AUDGenericRequest.c | |
import at91lib from at91lib_20100901_softpack_1_9_v_1_0_svn_v1501120100901_softpack_1_9_v_1_0_svn_v15011
it's sad to see that atmel doesn't publish their svn repo or has
a centralized location or even puts proper version/release info
into the library itself
Diffstat (limited to 'usb/common/audio/AUDGenericRequest.c')
| -rw-r--r-- | usb/common/audio/AUDGenericRequest.c | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/usb/common/audio/AUDGenericRequest.c b/usb/common/audio/AUDGenericRequest.c new file mode 100644 index 0000000..c9c6e87 --- /dev/null +++ b/usb/common/audio/AUDGenericRequest.c @@ -0,0 +1,57 @@ +/* ----------------------------------------------------------------------------
+ * ATMEL Microcontroller Software Support
+ * ----------------------------------------------------------------------------
+ * Copyright (c) 2008, Atmel Corporation
+ *
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * - Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the disclaimer below.
+ *
+ * Atmel's name may not be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * DISCLAIMER: THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE
+ * DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
+ * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
+ * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ * ----------------------------------------------------------------------------
+ */
+
+//------------------------------------------------------------------------------
+// Headers
+//------------------------------------------------------------------------------
+
+#include "AUDGenericRequest.h"
+
+//------------------------------------------------------------------------------
+// Exported functions
+//------------------------------------------------------------------------------
+
+//------------------------------------------------------------------------------
+/// Returns the ID of the unit or terminal targetted by an USB audio request.
+/// \param request Pointer to a USBGenericRequest instance.
+//------------------------------------------------------------------------------
+unsigned char AUDGenericRequest_GetEntity(const USBGenericRequest *request)
+{
+ return ((USBGenericRequest_GetIndex(request) >> 8) & 0xFF);
+}
+
+//------------------------------------------------------------------------------
+/// Returns the ID of the interface targetted by an USB audio request.
+/// \param request Pointer to a USBGenericRequest instance.
+//------------------------------------------------------------------------------
+unsigned char AUDGenericRequest_GetInterface(const USBGenericRequest *request)
+{
+ return (USBGenericRequest_GetIndex(request) & 0xFF);
+}
+
|