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96 lines
3.1 KiB
C
96 lines
3.1 KiB
C
/* ----------------------------------------------------------------------------
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* ATMEL Microcontroller Software Support
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* ----------------------------------------------------------------------------
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* Copyright (c) 2009, Atmel Corporation
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*
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* - Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the disclaimer below.
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*
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* Atmel's name may not be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* DISCLAIMER: THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE
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* DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
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* OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
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* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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* ----------------------------------------------------------------------------
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*/
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#ifndef _TWID_
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#define _TWID_
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/*----------------------------------------------------------------------------
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* Headers
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*----------------------------------------------------------------------------*/
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#include "../chip.h"
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#include <stdint.h>
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/*----------------------------------------------------------------------------
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* Definition
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*----------------------------------------------------------------------------*/
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/** TWI driver is currently busy. */
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#define TWID_ERROR_BUSY 1
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#ifdef __cplusplus
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extern "C" {
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#endif
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/*----------------------------------------------------------------------------
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* Types
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*----------------------------------------------------------------------------*/
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/** \brief TWI driver structure. Holds the internal state of the driver.*/
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typedef struct _Twid
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{
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/** Pointer to the underlying TWI peripheral.*/
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Twi *pTwi ;
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/** Current asynchronous transfer being processed.*/
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Async *pTransfer ;
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} Twid;
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/*----------------------------------------------------------------------------
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* Export functions
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*----------------------------------------------------------------------------*/
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extern void TWID_Initialize( Twid *pTwid, Twi *pTwi ) ;
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extern void TWID_Handler( Twid *pTwid ) ;
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extern uint8_t TWID_Read(
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Twid *pTwid,
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uint8_t address,
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uint32_t iaddress,
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uint8_t isize,
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uint8_t *pData,
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uint32_t num,
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Async *pAsync);
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extern uint8_t TWID_Write(
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Twid *pTwid,
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uint8_t address,
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uint32_t iaddress,
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uint8_t isize,
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uint8_t *pData,
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uint32_t num,
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Async *pAsync);
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#ifdef __cplusplus
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}
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#endif
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#endif //#ifndef TWID_H
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