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Posted to commits@nuttx.apache.org by xi...@apache.org on 2022/04/11 12:54:53 UTC
[incubator-nuttx-apps] branch master updated: examples/scd41: Add new example for scd41 CO2 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/incubator-nuttx-apps.git
The following commit(s) were added to refs/heads/master by this push:
new f2e7faa47 examples/scd41: Add new example for scd41 CO2 sensor
f2e7faa47 is described below
commit f2e7faa478dfb524cc00f7ff7560692fb2afbeec
Author: SPRESENSE <41...@users.noreply.github.com>
AuthorDate: Mon Apr 11 17:21:40 2022 +0900
examples/scd41: Add new example for scd41 CO2 sensor
Add new example for scd41 CO2 sensor application.
---
examples/scd41/Kconfig | 36 +++++++++++++++++++
examples/scd41/Make.defs | 23 ++++++++++++
examples/scd41/Makefile | 34 ++++++++++++++++++
examples/scd41/scd41_main.c | 87 +++++++++++++++++++++++++++++++++++++++++++++
4 files changed, 180 insertions(+)
diff --git a/examples/scd41/Kconfig b/examples/scd41/Kconfig
new file mode 100644
index 000000000..8c62677b3
--- /dev/null
+++ b/examples/scd41/Kconfig
@@ -0,0 +1,36 @@
+#
+# For a description of the syntax of this configuration file,
+# see the file kconfig-language.txt in the NuttX tools repository.
+#
+
+config EXAMPLES_SCD41
+ tristate "SCD41 CO2 sensor example"
+ default n
+ depends on SENSORS_SCD41
+ ---help---
+ Enable the SCD41 CO2 sensor example
+
+if EXAMPLES_SCD41
+
+config EXAMPLES_SCD41_PROGNAME
+ string "Program name"
+ default "scd41"
+ ---help---
+ This is the name of the program that will be used when the NSH ELF
+ program is installed.
+
+config EXAMPLES_SCD41_DEVPATH
+ string "Device path"
+ default "/dev/co2"
+ ---help---
+ The device path
+
+config EXAMPLES_SCD41_PRIORITY
+ int "scd41 task priority"
+ default 100
+
+config EXAMPLES_SCD41_STACKSIZE
+ int "scd41 stack size"
+ default DEFAULT_TASK_STACKSIZE
+
+endif
diff --git a/examples/scd41/Make.defs b/examples/scd41/Make.defs
new file mode 100644
index 000000000..a6a5ff7b8
--- /dev/null
+++ b/examples/scd41/Make.defs
@@ -0,0 +1,23 @@
+############################################################################
+# apps/examples/scd41/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_SCD41),)
+CONFIGURED_APPS += $(APPDIR)/examples/scd41
+endif
diff --git a/examples/scd41/Makefile b/examples/scd41/Makefile
new file mode 100644
index 000000000..e08598e9e
--- /dev/null
+++ b/examples/scd41/Makefile
@@ -0,0 +1,34 @@
+############################################################################
+# apps/examples/scd41/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
+
+# scd41 co2 sensor built-in application info
+
+PROGNAME = $(CONFIG_EXAMPLES_SCD41_PROGNAME)
+PRIORITY = $(CONFIG_EXAMPLES_SCD41_PRIORITY)
+STACKSIZE = $(CONFIG_EXAMPLES_SCD41_STACKSIZE)
+MODULE = $(CONFIG_EXAMPLES_SCD41)
+
+# scd41 co2 sensor Example
+
+MAINSRC = scd41_main.c
+
+include $(APPDIR)/Application.mk
diff --git a/examples/scd41/scd41_main.c b/examples/scd41/scd41_main.c
new file mode 100755
index 000000000..433a2818f
--- /dev/null
+++ b/examples/scd41/scd41_main.c
@@ -0,0 +1,87 @@
+/****************************************************************************
+ * apps/examples/scd41/scd41_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 <sys/ioctl.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+
+#include <nuttx/sensors/scd41.h>
+
+/****************************************************************************
+ * Public Functions
+ ****************************************************************************/
+
+/****************************************************************************
+ * scd41_main
+ ****************************************************************************/
+
+int main(int argc, FAR char *argv[])
+{
+ struct scd41_conv_data_s data;
+ int fd;
+ int ret;
+ int i;
+
+ printf("scd41 app is running.\n");
+
+ fd = open(CONFIG_EXAMPLES_SCD41_DEVPATH, O_RDWR);
+ if (fd < 0)
+ {
+ printf("ERROR: open failed: %d\n", fd);
+ return -1;
+ }
+
+ for (i = 0; i < 20; i++)
+ {
+ /* Sensor data is updated every 5 seconds. */
+
+ sleep(5);
+
+ ret = ioctl(fd, SNIOC_READ_CONVERT_DATA, (unsigned long)&data);
+ if (ret < 0)
+ {
+ printf("Read error.\n");
+ printf("Sensor reported error %d\n", ret);
+ }
+ else
+ {
+ printf("CO2[ppm]: %.2f, Temperature[C]: %.2f, RH[%%]: %.2f\n",
+ data.co2, data.temperature, data.humidity);
+ }
+ }
+
+ ret = ioctl(fd, SNIOC_STOP, 0);
+ if (ret < 0)
+ {
+ printf("Failed to stop: %d\n", errno);
+ }
+
+ close(fd);
+
+ return 0;
+}