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apps/sht3x: Add simple application to test SHT3x sensor

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This commit is contained in:
Alan C. Assis 2021-12-24 10:19:38 -03:00 committed by Xiang Xiao
parent a1dbb472bc
commit 64a09770c8
4 changed files with 163 additions and 0 deletions
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30
examples/sht3x/Kconfig Normal file
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#
# For a description of the syntax of this configuration file,
# see the file kconfig-language.txt in the NuttX tools repository.
#
config EXAMPLES_SHT3X
tristate "SHT3x sensor example"
default n
depends on SENSORS_SHT3X
---help---
Enable the SHT3x sensor example
if EXAMPLES_SHT3X
config EXAMPLES_SHT3X_PROGNAME
string "Program name"
default "sht3x"
---help---
This is the name of the program that will be used when the NSH ELF
program is installed.
config EXAMPLES_SHT3X_PRIORITY
int "SHT3x task priority"
default 100
config EXAMPLES_SHT3X_STACKSIZE
int "SHT3X stack size"
default DEFAULT_TASK_STACKSIZE
endif

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examples/sht3x/Make.defs Normal file
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############################################################################
# apps/examples/sht3x/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_SHT3X),)
CONFIGURED_APPS += $(APPDIR)/examples/sht3x
endif

34
examples/sht3x/Makefile Normal file
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############################################################################
# apps/examples/sht3x/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.
#
############################################################################
include $(APPDIR)/Make.defs
# Hello, World! built-in application info
PROGNAME = $(CONFIG_EXAMPLES_SHT3X_PROGNAME)
PRIORITY = $(CONFIG_EXAMPLES_SHT3X_PRIORITY)
STACKSIZE = $(CONFIG_EXAMPLES_SHT3X_STACKSIZE)
MODULE = $(CONFIG_EXAMPLES_SHT3X)
# SHT3X Example
MAINSRC = sht3x_main.c
include $(APPDIR)/Application.mk

76
examples/sht3x/sht3x_main.c Normal file
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/****************************************************************************
* apps/examples/sht3x/sht3x_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 <sys/types.h>
#include <sys/ioctl.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <nuttx/sensors/ioctl.h>
#include <nuttx/sensors/sht3x.h>
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* sht3x_main
****************************************************************************/
int main(int argc, FAR char *argv[])
{
FAR struct sht3x_meas_data_s data;
int fd;
int ret;
fd = open("/dev/temp0", O_RDWR);
if (fd < 0)
{
printf("Failed to open /dev/temp0\n");
return -1;
}
ret = ioctl(fd, SNIOC_START, NULL);
if (ret < 0)
{
printf("Error to run ioctl SNIOC_START\n");
return -1;
}
while (1)
{
printf("Converting...\n");
usleep(1000000);
ret = ioctl(fd, SNIOC_READ_CONVERT_DATA,
(unsigned long)((uintptr_t)&data));
printf("Temperature = %f\n", data.temperature);
printf("Humidity = %f\n", data.humidity);
}
return 0;
}