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49 lines
1.3 KiB
C
49 lines
1.3 KiB
C
/*
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* Copyright 2009, Freie Universitaet Berlin (FUB). All rights reserved.
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*
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* This file is subject to the terms and conditions of the GNU Lesser
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* General Public License v2.1. See the file LICENSE in the top level
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* directory for more details.
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*/
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#ifndef SHT11BOARD_H_
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#define SHT11BOARD_H_
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/**
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* @ingroup lpc2387
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* @{
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*/
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/**
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* @file
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* @brief LPC2387 SHT11 Device Driver
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*
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* @author Freie Universität Berlin, Computer Systems & Telematics, FeuerWhere project
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* @version $Revision$
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*
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* @note $Id$
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*/
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#include "lpc23xx.h"
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#include "board.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define SHT11_SCK_LOW FIO1CLR = BIT25; /* serial clock line low */
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#define SHT11_SCK_HIGH FIO1SET = BIT25; /* serial clock line high */
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#define SHT11_DATA ((FIO1PIN & BIT26) != 0) /* read serial I/O */
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#define SHT11_DATA_LOW (FIO1CLR = BIT26); /* serial I/O line low */
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#define SHT11_DATA_HIGH (FIO1SET = BIT26); /* serial I/O line high */
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#define SHT11_DATA_IN (FIO1DIR &= ~BIT26) /* serial I/O as input */
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#define SHT11_DATA_OUT (FIO1DIR |= BIT26) /* serial I/O as output */
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#define SHT11_INIT FIO1DIR |= BIT25; PINSEL3 &= ~(BIT14|BIT15 | BIT16|BIT17);
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#ifdef __cplusplus
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}
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#endif
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/** @} */
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#endif /* SHT11BOARD_H_ */
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