From 1308399564ce0cb27630a06f18e3c33be36d89a0 Mon Sep 17 00:00:00 2001 From: Alan Carvalho de Assis Date: Tue, 15 Dec 2015 14:10:21 -0600 Subject: [PATCH] apps/examples/pca9635: Add a simple test of PCA9635PW PWM LED driver. From Alan Carvalho de Assis. --- ChangeLog.txt | 3 +- examples/Kconfig | 1 + examples/README.txt | 5 ++ examples/pca9635/.gitignore | 11 ++++ examples/pca9635/Kconfig | 22 +++++++ examples/pca9635/Make.defs | 39 +++++++++++ examples/pca9635/Makefile | 53 +++++++++++++++ examples/pca9635/pca9635_main.c | 110 ++++++++++++++++++++++++++++++++ 8 files changed, 243 insertions(+), 1 deletion(-) create mode 100644 examples/pca9635/.gitignore create mode 100644 examples/pca9635/Kconfig create mode 100644 examples/pca9635/Make.defs create mode 100644 examples/pca9635/Makefile create mode 100644 examples/pca9635/pca9635_main.c diff --git a/ChangeLog.txt b/ChangeLog.txt index d74bd2cb3..8b2ed90a3 100644 --- a/ChangeLog.txt +++ b/ChangeLog.txt @@ -1502,4 +1502,5 @@ modules (2015-12-12). * apps/nshlib: Add module commands: insmod, rmmod, and lsmod (2015-12-13). - + * apps/examples/pca9635: Add a simple test of PCA9635PW PWM LED + driver. From Alan Carvalho de Assis (2015-12-15). diff --git a/examples/Kconfig b/examples/Kconfig index e50fa1e21..8863e074e 100644 --- a/examples/Kconfig +++ b/examples/Kconfig @@ -53,6 +53,7 @@ source "$APPSDIR/examples/nxlines/Kconfig" source "$APPSDIR/examples/nxtext/Kconfig" source "$APPSDIR/examples/ostest/Kconfig" source "$APPSDIR/examples/pashello/Kconfig" +source "$APPSDIR/examples/pca9635/Kconfig" source "$APPSDIR/examples/pipe/Kconfig" source "$APPSDIR/examples/poll/Kconfig" source "$APPSDIR/examples/pppd/Kconfig" diff --git a/examples/README.txt b/examples/README.txt index 919040f24..286c1c511 100644 --- a/examples/README.txt +++ b/examples/README.txt @@ -1434,6 +1434,11 @@ examples/pashello The correct install location for the NuttX examples and build files is apps/interpreters. +examples/pca9635 +^^^^^^^^^^^^^^^^ + + A simple test of the PCA9635PW LED driver. + examples/pipe ^^^^^^^^^^^^^ diff --git a/examples/pca9635/.gitignore b/examples/pca9635/.gitignore new file mode 100644 index 000000000..fa1ec7579 --- /dev/null +++ b/examples/pca9635/.gitignore @@ -0,0 +1,11 @@ +/Make.dep +/.depend +/.built +/*.asm +/*.obj +/*.rel +/*.lst +/*.sym +/*.adb +/*.lib +/*.src diff --git a/examples/pca9635/Kconfig b/examples/pca9635/Kconfig new file mode 100644 index 000000000..78b48a341 --- /dev/null +++ b/examples/pca9635/Kconfig @@ -0,0 +1,22 @@ +# +# For a description of the syntax of this configuration file, +# see the file kconfig-language.txt in the NuttX tools repository. +# + +config EXAMPLES_PCA9635 + bool "PCA9635 PWM LED example" + default n + ---help--- + Enable the PCA9635 example + +if EXAMPLES_PCA9635 + +config EXAMPLES_PCA9635_PROGNAME + string "Program name" + default "pca9635" + depends on BUILD_KERNEL + ---help--- + This is the name of the program that will be use when the NSH ELF + program is installed. + +endif diff --git a/examples/pca9635/Make.defs b/examples/pca9635/Make.defs new file mode 100644 index 000000000..00f6d3c59 --- /dev/null +++ b/examples/pca9635/Make.defs @@ -0,0 +1,39 @@ +############################################################################ +# apps/examples/pca9635/Make.defs +# Adds selected applications to apps/ build +# +# Copyright (C) 2015 Gregory Nutt. All rights reserved. +# Author: Gregory Nutt +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions +# are met: +# +# 1. Redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer. +# 2. Redistributions in binary form must reproduce the above copyright +# notice, this list of conditions and the following disclaimer in +# the documentation and/or other materials provided with the +# distribution. +# 3. Neither the name NuttX nor the names of its contributors may be +# used to endorse or promote products derived from this software +# without specific prior written permission. +# +# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS +# FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE +# COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, +# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, +# BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS +# OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED +# AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT +# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN +# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE +# POSSIBILITY OF SUCH DAMAGE. +# +############################################################################ + +ifeq ($(CONFIG_EXAMPLES_PCA9635),y) +CONFIGURED_APPS += examples/pca9635 +endif diff --git a/examples/pca9635/Makefile b/examples/pca9635/Makefile new file mode 100644 index 000000000..372aa04ed --- /dev/null +++ b/examples/pca9635/Makefile @@ -0,0 +1,53 @@ +############################################################################ +# apps/examples/pca9635/Makefile +# +# Copyright (C) 2015 Gregory Nutt. All rights reserved. +# Author: Gregory Nutt +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions +# are met: +# +# 1. Redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer. +# 2. Redistributions in binary form must reproduce the above copyright +# notice, this list of conditions and the following disclaimer in +# the documentation and/or other materials provided with the +# distribution. +# 3. Neither the name NuttX nor the names of its contributors may be +# used to endorse or promote products derived from this software +# without specific prior written permission. +# +# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS +# FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE +# COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, +# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, +# BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS +# OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED +# AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT +# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN +# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE +# POSSIBILITY OF SUCH DAMAGE. +# +############################################################################ + +-include $(TOPDIR)/Make.defs + +# PCA9635 built-in application info + +APPNAME = pca9635 +PRIORITY = SCHED_PRIORITY_DEFAULT +STACKSIZE = 2048 + +# PCA9635 Test + +ASRCS = +CSRCS = +MAINSRC = pca9635_main.c + +CONFIG_EXAMPLES_PCA9635_PROGNAME ?= pca9635$(EXEEXT) +PROGNAME = $(CONFIG_EXAMPLES_PCA9635_PROGNAME) + +include $(APPDIR)/Application.mk diff --git a/examples/pca9635/pca9635_main.c b/examples/pca9635/pca9635_main.c new file mode 100644 index 000000000..664a22a8b --- /dev/null +++ b/examples/pca9635/pca9635_main.c @@ -0,0 +1,110 @@ +/**************************************************************************** + * examples/pca9635/pca9635_main.c + * + * Copyright (C) 2015 Gregory Nutt. All rights reserved. + * Author: Gregory Nutt + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * 3. Neither the name NuttX nor the names of its contributors may be + * used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS + * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED + * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN + * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + ****************************************************************************/ + +/**************************************************************************** + * Included Files + ****************************************************************************/ + +#include + +#include +#include +#include +#include +#include +#include + +#include + +/**************************************************************************** + * Pre-processor Definitions + ****************************************************************************/ + +#define CONFIG_EXAMPLES_PCA9635_DEVNAME "/dev/leddrv0" + +/**************************************************************************** + * Private Data + ****************************************************************************/ + +/**************************************************************************** + * Public Functions + ****************************************************************************/ + +/**************************************************************************** + * pca9635_main + ****************************************************************************/ + +#ifdef CONFIG_BUILD_KERNEL +int main(int argc, FAR char *argv[]) +#else +int pca9635_main(int argc, char *argv[]) +#endif +{ + struct pca9635pw_setled_brightness_arg_s ledbright; + int led; + int bright; + int fd; + int ret; + + fd = open(CONFIG_EXAMPLES_PCA9635_DEVNAME, O_RDONLY); + if (fd < 0) + { + fprintf(stderr, "ERROR: Failed to open %s: %d\n", + CONFIG_EXAMPLES_PCA9635_DEVNAME, errno); + return -1; + } + + for (; ; ) + { + for (bright = 0; bright <= 255; bright++) + { + for (led = LED_0; led <= LED_15; led++) + { + ledbright.led = led; + ledbright.brightness = bright; + + ret = ioctl(fd, PWMIOC_SETLED_BRIGHTNESS, (unsigned long)&ledbright); + if (ret < 0) + { + dbg("ERROR: ioctl(PWMIOC_SETLED_BRIGHTNESS) failed: %d\n", errno); + } + } + + usleep(100); + } + } + + close(fd); + return 0;