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Add example app for isl29023 driver

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Created from the hdc1008_demo example.
This commit is contained in:
Diego Herranz 2021-12-20 22:44:01 +01:00 committed by archer
parent 64a09770c8
commit 0e8e08e2a0
4 changed files with 180 additions and 0 deletions
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11
examples/isl29023/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_ISL29023
tristate "ISL29023 driver example"
default n
---help---
Enable the example application

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examples/isl29023/Make.defs Normal file
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############################################################################
# apps/examples/isl29023/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_ISL29023),)
CONFIGURED_APPS += $(APPDIR)/examples/isl29023
endif

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examples/isl29023/Makefile Normal file
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############################################################################
# apps/examples/isl29023/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
# isl29023 example built-in application info
PROGNAME = isl29023
PRIORITY = SCHED_PRIORITY_DEFAULT
STACKSIZE = $(CONFIG_DEFAULT_TASK_STACKSIZE)
MODULE = $(CONFIG_EXAMPLES_ISL29023)
MAINSRC = isl29023_main.c
include $(APPDIR)/Application.mk

114
examples/isl29023/isl29023_main.c Normal file
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/****************************************************************************
* apps/examples/isl29023/isl29023_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 <nuttx/sensors/isl29023.h>
#include <sys/ioctl.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <fcntl.h>
#include <stdio.h>
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
#define DEV_PATH "/dev/als0"
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* isl29023_main
****************************************************************************/
int main(int argc, FAR char *argv[])
{
struct isl29023_data_s data;
int fd;
int ret;
fd = open(DEV_PATH, O_RDONLY);
if (fd < 0)
{
printf("Failed to open device driver at '%s'\n", DEV_PATH);
}
/* Set continuous ALS mode */
ret = ioctl(fd, SNIOC_SET_OPERATIONAL_MODE,
ISL29023_OP_MODE_ALS_CONTINUES);
if (ret < 0)
{
printf("Failed to set isl29023 mode: %d\n", errno);
goto out;
}
/* Set max resolution (16 bits) */
ret = ioctl(fd, SNIOC_SET_RESOLUTION, ISL29023_RESOLUTION_16BITS);
if (ret < 0)
{
printf("Failed to set isl29023 resolution: %d\n", errno);
goto out;
}
/* Set max range (64000) */
ret = ioctl(fd, SNIOC_SET_RANGE, ISL29023_ALS_RANGE_64000);
if (ret < 0)
{
printf("Failed to set isl29023 range: %d\n", errno);
goto out;
}
/* Wait for the initial conversion to complete.
* 90 ms (typ) for 16-bit conversion on isl29023,
* 105 ms for 16-bit conversion on isl29035 (compatible),
* so going for 110 ms.
*/
usleep(110000);
/* Read both lux and raw values */
ret = read(fd, &data, sizeof(data));
if (ret < 0)
{
printf("FAILED to read lux and raw values from isl29023: %d\n", errno);
goto out;
}
printf("lux: %d\n"
"raw: %d\n", data.lux, data.raw);
ret = 0;
out:
close(fd);
return ret;
}