1 /* ----------------------------------------------------------------------------
2 * SAM Software Package License
3 * ----------------------------------------------------------------------------
4 * Copyright (c) 2015, Atmel Corporation
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions are met:
11 * - Redistributions of source code must retain the above copyright notice,
12 * this list of conditions and the disclaimer below.
14 * Atmel's name may not be used to endorse or promote products derived from
15 * this software without specific prior written permission.
17 * DISCLAIMER: THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
19 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE
20 * DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
22 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
23 * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
24 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
25 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
26 * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 * ----------------------------------------------------------------------------
33 * Provide a routine for asynchronous transfer.
40 /*----------------------------------------------------------------------------
42 *----------------------------------------------------------------------------*/
45 /*----------------------------------------------------------------------------
47 *----------------------------------------------------------------------------*/
48 /** Transfer is still pending.*/
49 #define ASYNC_STATUS_PENDING 0xFF
55 /*----------------------------------------------------------------------------
57 *----------------------------------------------------------------------------*/
58 /** \brief Asynchronous transfer descriptor. */
60 /** Asynchronous transfer status.*/
61 volatile uint32_t status;
62 /** Callback function to invoke when transfer completes or fails.*/
64 /** Driver storage area; do not use.*/
68 /*----------------------------------------------------------------------------
70 *----------------------------------------------------------------------------*/
71 extern uint32_t async_is_finished(struct _async * pAsync);
76 #endif /* #ifndef _ASYNC_ */