voltagestreamc.nc

tinyos2.0版本驱动

/* Copyright (c) 2007 Johns Hopkins University.
 * All rights reserved.
 *
 * Permission to use, copy, modify, and distribute this software and its
 * documentation for any purpose, without fee, and without written
 * agreement is hereby granted, provided that the above copyright
 * notice, the (updated) modification history and the author appear in
 * all copies of this source code.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS  `AS IS'
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, LOSS OF USE, DATA,
 * OR PROFITS) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
 * THE POSSIBILITY OF SUCH DAMAGE.
 */
/**
 * Battery Voltage. The returned value represents the difference
 * between the battery voltage and V_BG (1.23V). The formula to convert
 * it to mV is: 1223 * 1024 / value.
 *
 * @author Razvan Musaloiu-E.
 */

#include "hardware.h"

generic configuration VoltageStreamC() {
  provides interface ReadStream<uint16_t>;
}
implementation {
  components VoltageP, new AdcReadStreamClientC();

  ReadStream = AdcReadStreamClientC;
  AdcReadStreamClientC.Atm128AdcConfig -> VoltageP;
}