SAMV71 Xplained Ultra Software Package 1.4

CDCSetControlLineStateRequest.c

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00001 /* ----------------------------------------------------------------------------
00002  *         SAM Software Package License
00003  * ----------------------------------------------------------------------------
00004  * Copyright (c) 2014, Atmel Corporation
00005  *
00006  * All rights reserved.
00007  *
00008  * Redistribution and use in source and binary forms, with or without
00009  * modification, are permitted provided that the following conditions are met:
00010  *
00011  * - Redistributions of source code must retain the above copyright notice,
00012  * this list of conditions and the disclaimer below.
00013  *
00014  * Atmel's name may not be used to endorse or promote products derived from
00015  * this software without specific prior written permission.
00016  *
00017  * DISCLAIMER: THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR
00018  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
00019  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE
00020  * DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT, INDIRECT,
00021  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
00022  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
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00026  * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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00029 
00030 /** \file
00031  *
00032  * Implementation of the CDCSetControlLineStateRequest class.
00033  */
00034 
00035 /** \addtogroup usb_cdc
00036  *@{
00037  */
00038 
00039 /*----------------------------------------------------------------------------
00040  *         Headers
00041  *----------------------------------------------------------------------------*/
00042 
00043 #include <CDCRequests.h>
00044 
00045 /*----------------------------------------------------------------------------
00046  *         Exported functions
00047  *----------------------------------------------------------------------------*/
00048 
00049 /**
00050  *  Notifies if the given request indicates that the DTE signal is present.
00051  *  \param request Pointer to a USBGenericRequest instance.
00052  *  \return 1 if the DTE signal is present, otherwise 0.
00053  */
00054 uint8_t CDCSetControlLineStateRequest_IsDtePresent(
00055     const USBGenericRequest *request)
00056 {
00057     if ((USBGenericRequest_GetValue(request) & 0x0001) != 0) {
00058 
00059         return 1;
00060     }
00061     else {
00062 
00063         return 0;
00064     }
00065 }
00066 
00067 /**
00068  *  Notifies if the given request indicates that the device carrier should
00069  *  be activated.
00070  *  \param request Pointer to a USBGenericRequest instance.
00071  *  \return 1 is the device should activate its carrier, 0 otherwise.
00072  */
00073 uint8_t CDCSetControlLineStateRequest_ActivateCarrier(
00074     const USBGenericRequest *request)
00075 {
00076     if ((USBGenericRequest_GetValue(request) & 0x0002) != 0) {
00077 
00078         return 1;
00079     }
00080     else {
00081 
00082         return 0;
00083     }
00084 }
00085 
00086 /**@}*/
00087 
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