Contiki 2.6
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00001 /* 00002 * Copyright (c) 2006, Swedish Institute of Computer Science. 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 * $Id: battery-sensor.c,v 1.6 2010/02/08 00:00:45 nifi Exp $ 00030 * 00031 * ----------------------------------------------------------------- 00032 * 00033 * Author : Adam Dunkels, Joakim Eriksson, Niclas Finne 00034 * Created : 2005-11-01 00035 * Updated : $Date: 2010/02/08 00:00:45 $ 00036 * $Revision: 1.6 $ 00037 */ 00038 00039 #include "contiki.h" 00040 #include "dev/battery-sensor.h" 00041 #include "dev/irq.h" 00042 00043 const struct sensors_sensor battery_sensor; 00044 static unsigned int battery_value; 00045 00046 /*---------------------------------------------------------------------------*/ 00047 static int 00048 irq(void) 00049 { 00050 battery_value = ADC12MEM6; 00051 return 0; 00052 } 00053 /*---------------------------------------------------------------------------*/ 00054 static int 00055 value(int type) 00056 { 00057 return ADC12MEM6/*battery_value*/; 00058 } 00059 /*---------------------------------------------------------------------------*/ 00060 static int 00061 configure(int type, int value) 00062 { 00063 switch(type) { 00064 case SENSORS_HW_INIT: 00065 battery_value = 0; 00066 return 1; 00067 case SENSORS_ACTIVE: 00068 if(value) { 00069 if(!irq_adc12_active(6)) { 00070 irq_adc12_activate(6, (INCH_4 + SREF_0), irq); 00071 } 00072 } else { 00073 irq_adc12_deactivate(6); 00074 } 00075 return 1; 00076 } 00077 return 0; 00078 } 00079 /*---------------------------------------------------------------------------*/ 00080 static int 00081 status(int type) 00082 { 00083 switch(type) { 00084 case SENSORS_ACTIVE: 00085 case SENSORS_READY: 00086 return irq_adc12_active(6); 00087 } 00088 return 0; 00089 } 00090 /*---------------------------------------------------------------------------*/ 00091 SENSORS_SENSOR(battery_sensor, BATTERY_SENSOR, 00092 value, configure, status);