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