shell-sensors.c

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00001 /*
00002  * Copyright (c) 2010, STMicroelectronics.
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  * This file is part of the Contiki operating system.
00030  *
00031  * $Id: shell-sensors.c,v 1.1 2010/10/25 09:03:39 salvopitru Exp $
00032  */
00033  
00034  /**
00035  * \file
00036  *         Shell function for temp and acc sensors.
00037  * \author
00038  *         Salvatore Pitrulli <salvopitru@users.sourceforge.net>
00039  */
00040 
00041 #include <string.h>
00042 #include <stdio.h>
00043 
00044 #include "contiki.h"
00045 #include "shell.h"
00046 #include "contiki-net.h"
00047 #include "dev/temperature-sensor.h"
00048 #include "dev/acc-sensor.h"
00049 
00050 /*---------------------------------------------------------------------------*/
00051 PROCESS(shell_sensors_process, "sensors");
00052 SHELL_COMMAND(sensors_command,
00053               "sensors",
00054               "sensors {temp|acc}: get sensor value",
00055               &shell_sensors_process);
00056 /*---------------------------------------------------------------------------*/
00057 PROCESS_THREAD(shell_sensors_process, ev, data)
00058 {
00059   
00060   char str_buf[22];
00061   
00062   PROCESS_BEGIN();
00063 
00064   if(data == NULL) {
00065     shell_output_str(&sensors_command,
00066                      "sensors {temp|acc}: a sensor must be specified", "");
00067     PROCESS_EXIT();
00068   }
00069   
00070   if(strcmp(data,"temp")==0) {
00071     
00072     unsigned int temp = temperature_sensor.value(0);
00073     
00074     snprintf(str_buf,sizeof(str_buf),"%d.%d degC",temp/10,temp-(temp/10)*10);
00075 
00076     shell_output_str(&sensors_command, "Temp: ", str_buf);
00077     
00078   }
00079   else if (strcmp(data,"acc")==0) {
00080     
00081     snprintf(str_buf,sizeof(str_buf),"%d,%d,%d) mg",acc_sensor.value(ACC_X_AXIS),acc_sensor.value(ACC_Y_AXIS),acc_sensor.value(ACC_Z_AXIS));
00082     
00083     shell_output_str(&sensors_command, "(X,Y,Z): (", str_buf);
00084     
00085   }  
00086 
00087   PROCESS_END();
00088 }
00089 /*---------------------------------------------------------------------------*/
00090 void
00091 shell_sensors_init(void)
00092 {
00093   SENSORS_ACTIVATE(acc_sensor);
00094   
00095   shell_register_command(&sensors_command);
00096 }
00097 /*---------------------------------------------------------------------------*/

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