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2 * at91sam7s USB CDC device implementation

7 * Redistribution and use in source and binary forms, with or without

8 * modification, are permitted provided that the following conditions are met:

9 * 1. Redistributions of source code must retain the above copyright

10 * notice, this list of conditions and the following disclaimer.

11 * 2. Redistributions in binary form must reproduce the above copyright

12 * notice, this list of conditions and the following disclaimer in the

13 * documentation and/or other materials provided with the distribution.

14 * 3. Neither the name of the copyright holders nor the

15 * names of its contributors may be used to endorse or promote products

16 * derived from this software without specific prior written permission.

18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ''AS IS'' AND ANY

19 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED

20 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE

21 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY

22 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES

23 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;

24 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND

25 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT

26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS

27 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

29 * based on the "Basic USB Example" from ATMEL (doc6123.pdf)

31 * @file usb_cdc.c

32 * @brief

35 #ifndef _USB_CDC_H_

36 #define _USB_CDC_H_

38 #include "common.h"

40 void usb_disable();

41 void usb_enable();

42 bool usb_check();

43 bool usb_poll();

44 bool usb_poll_validate_length();

 uint32_t usb_read(byte_t* data, size_t len);

 uint32_t usb_write(const byte_t* data, const size_t len);

48 #endif // _USB_CDC_H_