deac/osd-contiki
1
0
Fork 0
Code Issues Pull requests Releases Wiki Activity

Support for BME280 added.

Browse source 
new file:   dev/bme280/README.bme280
	new file:   dev/bme280/bme280-sensor.c
	new file:   dev/bme280/bme280-sensor.h
	new file:   dev/bme280/bme280.c
	new file:   dev/bme280/bme280.h
This commit is contained in:
Robert Olsson 2016-09-16 09:30:45 +02:00 • committed by Antonio Lignan
parent 1abc95a08e
commit cfabf0e6a2
5 changed files with 535 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

82
dev/bme280/bme280-sensor.c Normal file
View file

@ -0,0 +1,82 @@
/*
* Copyright (c) 2015, Copyright Robert Olsson
* 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.
*
* This file is part of the Contiki operating system.
*
*
* Author : Robert Olsson rolss@kth.se/robert@radio-sensors.com
* Created : 2016-09-14
*/
#include <stdlib.h>
#include "contiki.h"
#include "lib/sensors.h"
#include "dev/bme280/bme280.h"
#include "dev/bme280/bme280-sensor.h"
const struct sensors_sensor bme280_sensor;
static int
value(int type)
{
/* Read all measurements with one burst read */
bme280_read(BME280_MODE_WEATHER);
/* Return a la Contiki API */
switch(type) {
case BME280_SENSOR_TEMP:
return bme280_mea.t_overscale100 / 100;
case BME280_SENSOR_HUMIDITY:
return bme280_mea.h_overscale1024>>10;
case BME280_SENSOR_PRESSURE:
/* Scale down w. 10 not to overslow the signed int */
#ifdef BME280_64BIT
return bme280_mea.p_overscale256/(256*10);
#else
return bme280_mea.p/10;
#endif
}
return 0;
}
static int
status(int type)
{
return 0;
}
static int
configure(int type, int c)
{
bme280_init(BME280_MODE_WEATHER);
}
SENSORS_SENSOR(bme280_sensor, "bme280", value, configure, status);