Example modified to use BME280

examples/avr-rss2/hello-sensors/Makefile

@@ -8,6 +8,7 @@ PRINTF_LIB_MIN  = -Wl,-u,vfprintf -lprintf_min
 PRINTF_LIB      = $(PRINTF_LIB_FLT)
 CLIBS           = $(PRINTF_LIB) 
 
+MODULES += dev/bme280
 
 CUSTOM_RULE_LINK = 1
 %.$(TARGET): %.co $(PROJECT_OBJECTFILES) $(PROJECT_LIBRARIES) contiki-$(TARGET).a 

examples/avr-rss2/hello-sensors/hello-sensors.c

@@ -49,6 +49,7 @@
 #include "dev/temp_mcu-sensor.h"
 #include "dev/light-sensor.h"
 #include "dev/pulse-sensor.h"
+#include "dev/bme280/bme280-sensor.h"
 #ifdef CO2
 #include "dev/co2_sa_kxx-sensor.h"
 #endif
@@ -83,6 +84,22 @@ read_values(void)
 #ifdef CO2
   printf(" CO2=%-d", co2_sa_kxx_sensor.value( CO2_SA_KXX_CO2));
 #endif
+#if STD_API
+  printf(" BME280_TEMP=%-d", bme280_sensor.value(BME280_SENSOR_TEMP));
+  printf(" BME280_RH=%-d", bme280_sensor.value(BME280_SENSOR_HUMIDITY));
+  printf(" BME280_P=%-d", bme280_sensor.value(BME280_SENSOR_PRESSURE));
+#else 
+  /* Trigger burst read */
+  (void *) bme280_sensor.value(BME280_SENSOR_TEMP);
+  printf(" T_BME280=%5.2f", (double)bme280_mea.t_overscale100 / 100.);
+  printf(" RH_BME280=%5.2f ", (double)bme280_mea.h_overscale1024 / 1024.);
+#ifdef BME280_64BIT
+  printf(" P_BME280=%5.2f ", (double)bme280_mea.p_overscale256 / 256.);
+#else
+  printf(" P_BME280=%5.2f ", (double)bme280_mea.p);
+#endif
+#endif
+
   printf("\n");
 }
 /*---------------------------------------------------------------------------*/
@@ -95,6 +112,7 @@ PROCESS_THREAD(hello_sensors_process, ev, data)
   SENSORS_ACTIVATE(temp_mcu_sensor);
   SENSORS_ACTIVATE(light_sensor);
   SENSORS_ACTIVATE(pulse_sensor);
+  SENSORS_ACTIVATE(bme280_sensor);
 #ifdef CO2
   SENSORS_ACTIVATE(co2_sa_kxx_sensor);
 #endif

examples/avr-rss2/hello-sensors/project-conf.h

@@ -42,6 +42,8 @@
 #ifndef PROJECT_CONF_H_
 #define PROJECT_CONF_H_
 
+/* #define BME280_32BIT */
+
 #define NETSTACK_CONF_RDC nullrdc_driver
 #define NETSTACK_CONF_MAC nullmac_driver
 

platform/avr-rss2/dev/bme280-arch.h

@@ -0,0 +1,47 @@
+/*
+ * 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
+ */
+
+#ifndef BME280_ARCH_H
+#define BME280_ARCH_H
+
+/**
+ * \file
+ *	Architecture-specific definitions for the BME280 sensor for avr-rss2
+ * \author
+ * 	Robert Olsson
+ */
+
+
+#endif