1 /* ----------------------------------------------------------------------------
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2 * SAM Software Package License
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3 * ----------------------------------------------------------------------------
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4 * Copyright (c) 2011, Atmel Corporation
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6 * All rights reserved.
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8 * Redistribution and use in source and binary forms, with or without
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9 * modification, are permitted provided that the following conditions are met:
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11 * - Redistributions of source code must retain the above copyright notice,
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12 * this list of conditions and the disclaimer below.
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14 * Atmel's name may not be used to endorse or promote products derived from
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15 * this software without specific prior written permission.
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17 * DISCLAIMER: THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR
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18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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19 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE
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20 * DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT, INDIRECT,
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21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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22 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
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23 * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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24 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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25 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
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26 * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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27 * ----------------------------------------------------------------------------
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33 * Provide a routine for asynchronous transfer.
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41 /*----------------------------------------------------------------------------
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43 *----------------------------------------------------------------------------*/
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46 /*----------------------------------------------------------------------------
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48 *----------------------------------------------------------------------------*/
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49 /** Transfer is still pending.*/
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50 #define ASYNC_STATUS_PENDING 0xFF
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56 /*----------------------------------------------------------------------------
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58 *----------------------------------------------------------------------------*/
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59 /** \brief Asynchronous transfer descriptor. */
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60 typedef struct _Async
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62 /** Asynchronous transfer status.*/
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63 volatile uint32_t status ;
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64 /** Callback function to invoke when transfer completes or fails.*/
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66 /** Driver storage area; do not use.*/
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67 uint8_t pStorage[9] ;
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70 /*----------------------------------------------------------------------------
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72 *----------------------------------------------------------------------------*/
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73 extern uint32_t ASYNC_IsFinished( Async* pAsync ) ;
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79 #endif /* #ifndef _ASYNC_ */
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