From 0e8e08e2a0029fbccc56292afe6f3cbae1001836 Mon Sep 17 00:00:00 2001 From: Diego Herranz Date: Mon, 20 Dec 2021 22:44:01 +0100 Subject: [PATCH] Add example app for isl29023 driver Created from the hdc1008_demo example. --- examples/isl29023/Kconfig | 11 +++ examples/isl29023/Make.defs | 23 ++++++ examples/isl29023/Makefile | 32 +++++++++ examples/isl29023/isl29023_main.c | 114 ++++++++++++++++++++++++++++++ 4 files changed, 180 insertions(+) create mode 100644 examples/isl29023/Kconfig create mode 100644 examples/isl29023/Make.defs create mode 100644 examples/isl29023/Makefile create mode 100644 examples/isl29023/isl29023_main.c diff --git a/examples/isl29023/Kconfig b/examples/isl29023/Kconfig new file mode 100644 index 000000000..3999d8f33 --- /dev/null +++ b/examples/isl29023/Kconfig @@ -0,0 +1,11 @@ +# +# 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 + diff --git a/examples/isl29023/Make.defs b/examples/isl29023/Make.defs new file mode 100644 index 000000000..f6497bbe0 --- /dev/null +++ b/examples/isl29023/Make.defs @@ -0,0 +1,23 @@ +############################################################################ +# 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 diff --git a/examples/isl29023/Makefile b/examples/isl29023/Makefile new file mode 100644 index 000000000..7e3a0801f --- /dev/null +++ b/examples/isl29023/Makefile @@ -0,0 +1,32 @@ +############################################################################ +# 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 diff --git a/examples/isl29023/isl29023_main.c b/examples/isl29023/isl29023_main.c new file mode 100644 index 000000000..a35422542 --- /dev/null +++ b/examples/isl29023/isl29023_main.c @@ -0,0 +1,114 @@ +/**************************************************************************** + * 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 +#include + +#include +#include +#include + +#include +#include + +/**************************************************************************** + * 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; +}