atmel_softpack_libraries usb dir

sam3s_example/atmel_softpack_libraries/usb/common/cdc/CDCSetControlLineStateRequest.c

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+/* ----------------------------------------------------------------------------
+ *         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.
+ * ----------------------------------------------------------------------------
+ */
+
+/** \file
+ *
+ * Implementation of the CDCSetControlLineStateRequest class.
+ */
+
+/** \addtogroup usb_cdc
+ *@{
+ */
+
+/*----------------------------------------------------------------------------
+ *         Headers
+ *----------------------------------------------------------------------------*/
+
+#include <CDCRequests.h>
+
+/*----------------------------------------------------------------------------
+ *         Exported functions
+ *----------------------------------------------------------------------------*/
+
+/**
+ *  Notifies if the given request indicates that the DTE signal is present.
+ *  \param request Pointer to a USBGenericRequest instance.
+ *  \return 1 if the DTE signal is present, otherwise 0.
+ */
+uint8_t CDCSetControlLineStateRequest_IsDtePresent(
+    const USBGenericRequest *request)
+{
+    if ((USBGenericRequest_GetValue(request) & 0x0001) != 0) {
+
+        return 1;
+    }
+    else {
+
+        return 0;
+    }
+}
+
+/**
+ *  Notifies if the given request indicates that the device carrier should
+ *  be activated.
+ *  \param request Pointer to a USBGenericRequest instance.
+ *  \return 1 is the device should activate its carrier, 0 otherwise.
+ */
+uint8_t CDCSetControlLineStateRequest_ActivateCarrier(
+    const USBGenericRequest *request)
+{
+    if ((USBGenericRequest_GetValue(request) & 0x0002) != 0) {
+
+        return 1;
+    }
+    else {
+
+        return 0;
+    }
+}
+
+/**@}*/
+