Contiki 2.6
|
00001 /* 00002 * Copyright (c) 2011 Zolertia(TM) is a trademark by Advancare,SL 00003 * All rights reserved. 00004 * 00005 * Redistribution and use in source and binary forms, with or without 00006 * modification, are permitted provided that the following conditions 00007 * are met: 00008 * 1. Redistributions of source code must retain the above copyright 00009 * notice, this list of conditions and the following disclaimer. 00010 * 2. Redistributions in binary form must reproduce the above copyright 00011 * notice, this list of conditions and the following disclaimer in the 00012 * documentation and/or other materials provided with the distribution. 00013 * 3. Neither the name of the Institute nor the names of its contributors 00014 * may be used to endorse or promote products derived from this software 00015 * without specific prior written permission. 00016 * 00017 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND 00018 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 00019 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 00020 * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE 00021 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 00022 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 00023 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 00024 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 00025 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 00026 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 00027 * SUCH DAMAGE. 00028 * 00029 * 00030 * ----------------------------------------------------------------- 00031 * 00032 * Author : Enric M. Calvo (based on work by A. Dunkels, J. Eriksson, N. Finne) 00033 * Created : 2011-02-22 00034 * $Revision: 1.0 $ 00035 */ 00036 00037 #include "contiki.h" 00038 #include "dev/potentiometer-sensor.h" 00039 #include "dev/sky-sensors.h" 00040 00041 /* Configure ADC12_2 to sample channel 11 (voltage) and use */ 00042 /* the Vref+ as reference (SREF_1) since it is a stable reference */ 00043 #define INPUT_CHANNEL (1 << INCH_4) 00044 #define INPUT_REFERENCE SREF_0 00045 #define POTENTIOMETER_MEM ADC12MEM4 00046 00047 const struct sensors_sensor battery_sensor; 00048 /*---------------------------------------------------------------------------*/ 00049 static int 00050 value(int type) 00051 { 00052 return POTENTIOMETER_MEM; 00053 } 00054 /*---------------------------------------------------------------------------*/ 00055 static int 00056 configure(int type, int c) 00057 { 00058 return sky_sensors_configure(INPUT_CHANNEL, INPUT_REFERENCE, type, c); 00059 } 00060 /*---------------------------------------------------------------------------*/ 00061 static int 00062 status(int type) 00063 { 00064 return sky_sensors_status(INPUT_CHANNEL, type); 00065 } 00066 /*---------------------------------------------------------------------------*/ 00067 SENSORS_SENSOR(potentiometer_sensor, POTENTIOMETER_SENSOR, value, configure, status);