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RIOT/boards/msb-430-common/drivers/include/sht11-board.h 1.29 KB
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  /*
   * Copyright 2013, Freie Universitaet Berlin (FUB). All rights reserved.
   *
   * This file is subject to the terms and conditions of the GNU Lesser
   * General Public License v2.1. See the file LICENSE in the top level
   * directory for more details.
   */
  
  #ifndef SHT11_BOARD_H
  #define SHT11_BOARD_H
  
  /**
   * @ingroup     msb_430h
   * @{
   */
  
  /**
   * @file
   * @brief       SHT11 Device Driver Configuration For MSB-430 Platform
   *
   * @author      Freie Universitรคt Berlin, Computer Systems & Telematics, RIOT
   *
   */
  #include <msp430x16x.h>
  #include "bitarithm.h"
  
  #ifdef __cplusplus
  extern "C" {
  #endif
  
  /* SCK  = P3B5
   * DATA = P3B4
   */
  
  #define SHT11_SCK_LOW   P3OUT &= ~(BIT5);     /**< serial clock line low */
  #define SHT11_SCK_HIGH  P3OUT |= BIT5;      /**< serial clock line high */
  #define SHT11_DATA      (P3IN & BIT5)      /**< read serial I/O */
  #define SHT11_DATA_LOW  P3OUT &= ~(BIT5);   /**< serial I/O line low */
  #define SHT11_DATA_HIGH P3OUT |= BIT5;      /**< serial I/O line high */
  #define SHT11_DATA_IN   P3DIR &= ~(BIT5);      /**< serial I/O as input */
  #define SHT11_DATA_OUT  P3DIR |= BIT5;      /**< serial I/O as output */
  #define SHT11_INIT      P3DIR |= BIT5;      /* FIO1DIR |= BIT25; PINSEL3 &= ~(BIT14|BIT15 | BIT16|BIT17); */
  
  #ifdef __cplusplus
  }
  #endif
  
  /** @} */
  #endif /* SHT11_BOARD_H */