106 lines
3.6 KiB
C
106 lines
3.6 KiB
C
|
/*
|
|||
|
|
* Copyright (c) 2006, Swedish Institute of Computer Science.
|
|||
|
|
* All rights reserved.
|
|||
|
|
*
|
|||
|
|
* Redistribution and use in source and binary forms, with or without
|
|||
|
|
* modification, are permitted provided that the following conditions
|
|||
|
|
* are met:
|
|||
|
|
* 1. Redistributions of source code must retain the above copyright
|
|||
|
|
* notice, this list of conditions and the following disclaimer.
|
|||
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|||
|
|
* notice, this list of conditions and the following disclaimer in the
|
|||
|
|
* documentation and/or other materials provided with the distribution.
|
|||
|
|
* 3. Neither the name of the Institute nor the names of its contributors
|
|||
|
|
* may be used to endorse or promote products derived from this software
|
|||
|
|
* without specific prior written permission.
|
|||
|
|
*
|
|||
|
|
* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE 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 INSTITUTE OR CONTRIBUTORS BE LIABLE
|
|||
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|||
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|||
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|||
|
|
* 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.
|
|||
|
|
*
|
|||
|
|
* $Id: ext-sensor.c,v 1.1 2010/05/03 21:57:35 nifi Exp $
|
|||
|
|
*
|
|||
|
|
* -----------------------------------------------------------------
|
|||
|
|
*
|
|||
|
|
* Author : Adam Dunkels, Joakim Eriksson, Niclas Finne, Marcus Lund<EFBFBD>n,
|
|||
|
|
* Jesper Karlsson
|
|||
|
|
* Created : 2005-11-01
|
|||
|
|
* Updated : $Date: 2010/05/03 21:57:35 $
|
|||
|
|
* $Revision: 1.1 $
|
|||
|
|
*/
|
|||
|
|
|
|||
|
|
#include <io.h>
|
|||
|
|
|
|||
|
|
#include "dev/ext-sensor.h"
|
|||
|
|
#include "dev/sky-sensors.h"
|
|||
|
|
|
|||
|
|
const struct sensors_sensor ext_sensor;
|
|||
|
|
static uint8_t active;
|
|||
|
|
/*---------------------------------------------------------------------------*/
|
|||
|
|
static int
|
|||
|
|
value(int type)
|
|||
|
|
{
|
|||
|
|
/* ADC0 corresponds to the port under the logo, ADC1 to the port over the logo,
|
|||
|
|
ADC2 and ADC3 corresponds to port on the JCreate bottom expansion port) */
|
|||
|
|
switch(type) {
|
|||
|
|
case ADC0:
|
|||
|
|
return ADC12MEM6;
|
|||
|
|
case ADC1:
|
|||
|
|
return ADC12MEM7;
|
|||
|
|
case ADC2:
|
|||
|
|
return ADC12MEM8;
|
|||
|
|
case ADC3:
|
|||
|
|
return ADC12MEM9;
|
|||
|
|
}
|
|||
|
|
return 0;
|
|||
|
|
}
|
|||
|
|
/*---------------------------------------------------------------------------*/
|
|||
|
|
static int
|
|||
|
|
status(int type)
|
|||
|
|
{
|
|||
|
|
switch(type) {
|
|||
|
|
case SENSORS_ACTIVE:
|
|||
|
|
case SENSORS_READY:
|
|||
|
|
return active;
|
|||
|
|
}
|
|||
|
|
return 0;
|
|||
|
|
}
|
|||
|
|
/*---------------------------------------------------------------------------*/
|
|||
|
|
static int
|
|||
|
|
configure(int type, int c)
|
|||
|
|
{
|
|||
|
|
switch(type) {
|
|||
|
|
case SENSORS_ACTIVE:
|
|||
|
|
if(c) {
|
|||
|
|
if(!status(SENSORS_ACTIVE)) {
|
|||
|
|
/* SREF_1 is Vref+ */
|
|||
|
|
/* MemReg6 == P6.0/A0 == port "under" logo */
|
|||
|
|
ADC12MCTL6 = (INCH_0 + SREF_0);
|
|||
|
|
/* MemReg7 == P6.1/A1 == port "over" logo */
|
|||
|
|
ADC12MCTL7 = (INCH_1 + SREF_0);
|
|||
|
|
/* MemReg8 == P6.2/A2, bottom expansion port */
|
|||
|
|
ADC12MCTL8 = (INCH_2 + SREF_0);
|
|||
|
|
/* MemReg9 == P6.1/A3, bottom expansion port, End Of (ADC-)Sequence */
|
|||
|
|
ADC12MCTL9 = (INCH_3 + SREF_0);
|
|||
|
|
|
|||
|
|
sky_sensors_activate(0x0F);
|
|||
|
|
active = 1;
|
|||
|
|
}
|
|||
|
|
} else {
|
|||
|
|
sky_sensors_deactivate(0x0F);
|
|||
|
|
active = 0;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
return 0;
|
|||
|
|
}
|
|||
|
|
/*---------------------------------------------------------------------------*/
|
|||
|
|
SENSORS_SENSOR(ext_sensor, "Ext", value, configure, status);
|