nes-proj/platform/stm32nucleo-spirit1/dev/radio-sensor.c

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/*
* Copyright (c) 2012, STMicroelectronics.
* 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.
*
*
*/
/*---------------------------------------------------------------------------*/
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/**
* \addtogroup stm32nucleo-spirit1-peripherals
* @{
*
* \file
* Driver for the stm32nucleo-spirit1 Radio Sensor (RSSI, LQI, ...)
*/
/*---------------------------------------------------------------------------*/
#include "dev/radio-sensor.h"
#include "dev/sensor-common.h"
#include "lib/sensors.h"
#include "net/packetbuf.h"
#include "st-lib.h"
/*---------------------------------------------------------------------------*/
static int _active;
/*---------------------------------------------------------------------------*/
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static void
init(void)
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{
/*Nothing to do at the moment, can be used in the future.*/
}
/*---------------------------------------------------------------------------*/
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static void
activate(void)
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{
_active = 1;
}
/*---------------------------------------------------------------------------*/
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static void
deactivate(void)
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{
_active = 0;
}
/*---------------------------------------------------------------------------*/
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static int
active(void)
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{
return _active;
}
/*---------------------------------------------------------------------------*/
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static int
value(int type)
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{
int32_t radio_sensor;
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float radio_sensor_value;
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switch(type) {
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case RADIO_SENSOR_LAST_PACKET:
/*TODO: check which method of getting these value is more appropriate */
radio_sensor_value = DBM_VALUE(packetbuf_attr(PACKETBUF_ATTR_RSSI));
/* radio_sensor_value = st_lib_spirit_qi_get_rssi_dbm(); */
radio_sensor = (int32_t)(radio_sensor_value * 10);
break;
case RADIO_SENSOR_LAST_VALUE:
default:
/*TODO: check which method of getting these value is more appropriate */
radio_sensor = packetbuf_attr(PACKETBUF_ATTR_LINK_QUALITY);
/* radio_sensor = (int32_t) st_lib_spirit_qi_get_lqi(); */
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}
return radio_sensor;
}
/*---------------------------------------------------------------------------*/
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static int
configure(int type, int value)
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{
switch(type) {
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case SENSORS_HW_INIT:
init();
return 1;
case SENSORS_ACTIVE:
if(value) {
activate();
} else {
deactivate();
}
return 1;
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}
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return 0;
}
/*---------------------------------------------------------------------------*/
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static int
status(int type)
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{
switch(type) {
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case SENSORS_READY:
return active();
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}
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return 0;
}
/*---------------------------------------------------------------------------*/
SENSORS_SENSOR(radio_sensor, RADIO_SENSOR, value, configure, status);
/*---------------------------------------------------------------------------*/
/** @} */
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