diff --git a/examples/bmp280/Kconfig b/examples/bmp280/Kconfig new file mode 100644 index 000000000..4229d9c23 --- /dev/null +++ b/examples/bmp280/Kconfig @@ -0,0 +1,30 @@ +# +# For a description of the syntax of this configuration file, +# see the file kconfig-language.txt in the NuttX tools repository. +# + +config EXAMPLES_BMP280 + tristate "BMP280 Barometer sensor example" + default n + depends on SENSORS_BMP280 + ---help--- + Enable the BMP280 example + +if EXAMPLES_BMP280 + +config EXAMPLES_BMP280_PROGNAME + string "Program name" + default "bmp280" + ---help--- + This is the name of the program that will be used when the NSH ELF + program is installed. + +config EXAMPLES_BMP280_PRIORITY + int "BMP280 task priority" + default 100 + +config EXAMPLES_BMP280_STACKSIZE + int "BMP280 stack size" + default DEFAULT_TASK_STACKSIZE + +endif diff --git a/examples/bmp280/Make.defs b/examples/bmp280/Make.defs new file mode 100644 index 000000000..875a775b0 --- /dev/null +++ b/examples/bmp280/Make.defs @@ -0,0 +1,23 @@ +############################################################################ +# apps/examples/bmp280/Make.defs +# +# Licensed to the Apache Software Foundation (ASF) under one or more +# contributor license agreements. See the NOTICE file distributed with +# this work for additional information regarding copyright ownership. The +# ASF licenses this file to you under the Apache License, Version 2.0 (the +# "License"); you may not use this file except in compliance with the +# License. You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT +# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the +# License for the specific language governing permissions and limitations +# under the License. +# +############################################################################ + +ifneq ($(CONFIG_EXAMPLES_BMP280),) +CONFIGURED_APPS += $(APPDIR)/examples/bmp280 +endif diff --git a/examples/bmp280/Makefile b/examples/bmp280/Makefile new file mode 100644 index 000000000..566cafb52 --- /dev/null +++ b/examples/bmp280/Makefile @@ -0,0 +1,34 @@ +############################################################################ +# apps/examples/bmp280/Makefile +# +# Licensed to the Apache Software Foundation (ASF) under one or more +# contributor license agreements. See the NOTICE file distributed with +# this work for additional information regarding copyright ownership. The +# ASF licenses this file to you under the Apache License, Version 2.0 (the +# "License"); you may not use this file except in compliance with the +# License. You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT +# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the +# License for the specific language governing permissions and limitations +# under the License. +# +############################################################################ + +include $(APPDIR)/Make.defs + +# BMP280 Barometer sensor example built-in application info + +PROGNAME = $(CONFIG_EXAMPLES_BMP280_PROGNAME) +PRIORITY = $(CONFIG_EXAMPLES_BMP280_PRIORITY) +STACKSIZE = $(CONFIG_EXAMPLES_BMP280_STACKSIZE) +MODULE = $(CONFIG_EXAMPLES_BMP280) + +# BMP280 Barometer sensor example + +MAINSRC = bmp280_main.c + +include $(APPDIR)/Application.mk diff --git a/examples/bmp280/bmp280_main.c b/examples/bmp280/bmp280_main.c new file mode 100644 index 000000000..d41927b25 --- /dev/null +++ b/examples/bmp280/bmp280_main.c @@ -0,0 +1,63 @@ +/**************************************************************************** + * apps/examples/bmp280/bmp280_main.c + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. The + * ASF licenses this file to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance with the + * License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT + * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the + * License for the specific language governing permissions and limitations + * under the License. + * + ****************************************************************************/ + +/**************************************************************************** + * Included Files + ****************************************************************************/ + +#include +#include +#include +#include +#include + +/**************************************************************************** + * Public Functions + ****************************************************************************/ + +/**************************************************************************** + * bmp280_main + ****************************************************************************/ + +int main(int argc, FAR char *argv[]) +{ + int fd; + int ret; + struct sensor_baro sensor_data; + + fd = open("/dev/uorb/sensor_baro0", O_RDONLY | O_NONBLOCK); + if (fd < 0) + { + printf("Failed to open BMP280 sensor"); + return EXIT_FAILURE; + } + + ret = read(fd, &sensor_data, sizeof(sensor_data)); + if (ret != sizeof(sensor_data)) + { + perror("Could not read"); + return EXIT_FAILURE; + } + + printf("Absolute pressure [hPa] = %f\n", sensor_data.pressure); + printf("Temperature [C] = %f\n", sensor_data.temperature); + + return EXIT_SUCCESS; +}