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Posted to commits@nuttx.apache.org by xi...@apache.org on 2023/05/08 05:03:04 UTC
[nuttx-apps] branch master updated: Added example for Bosch BMP280 pressure sensor
This is an automated email from the ASF dual-hosted git repository.
xiaoxiang pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/nuttx-apps.git
The following commit(s) were added to refs/heads/master by this push:
new f60d23fdb Added example for Bosch BMP280 pressure sensor
f60d23fdb is described below
commit f60d23fdb9417a861e54a09f39868221eadfa42b
Author: Filipe Cavalcanti <fi...@gmail.com>
AuthorDate: Fri May 5 21:48:15 2023 -0300
Added example for Bosch BMP280 pressure sensor
---
examples/bmp280/Kconfig | 30 +++++++++++++++++++++
examples/bmp280/Make.defs | 23 ++++++++++++++++
examples/bmp280/Makefile | 34 +++++++++++++++++++++++
examples/bmp280/bmp280_main.c | 63 +++++++++++++++++++++++++++++++++++++++++++
4 files changed, 150 insertions(+)
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 <nuttx/config.h>
+#include <stdio.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <nuttx/sensors/sensor.h>
+
+/****************************************************************************
+ * 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;
+}