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https://github.com/apache/nuttx-apps.git
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apps/examples/pca9635: Add a simple test of PCA9635PW PWM LED driver. From Alan Carvalho de Assis.
This commit is contained in:
Alan Carvalho de Assis
Gregory Nutt
parent
41c673d95d
commit
1308399564
8 changed files with 243 additions and 1 deletions
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@ -1502,4 +1502,5 @@
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modules (2015-12-12).
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* apps/nshlib: Add module commands: insmod, rmmod, and lsmod
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(2015-12-13).
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* apps/examples/pca9635: Add a simple test of PCA9635PW PWM LED
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driver. From Alan Carvalho de Assis (2015-12-15).
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@ -53,6 +53,7 @@ source "$APPSDIR/examples/nxlines/Kconfig"
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source "$APPSDIR/examples/nxtext/Kconfig"
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source "$APPSDIR/examples/ostest/Kconfig"
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source "$APPSDIR/examples/pashello/Kconfig"
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source "$APPSDIR/examples/pca9635/Kconfig"
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source "$APPSDIR/examples/pipe/Kconfig"
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source "$APPSDIR/examples/poll/Kconfig"
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source "$APPSDIR/examples/pppd/Kconfig"
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@ -1434,6 +1434,11 @@ examples/pashello
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The correct install location for the NuttX examples and build files is
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apps/interpreters.
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examples/pca9635
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^^^^^^^^^^^^^^^^
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A simple test of the PCA9635PW LED driver.
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examples/pipe
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^^^^^^^^^^^^^
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11
examples/pca9635/.gitignore
vendored
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11
examples/pca9635/.gitignore
vendored
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@ -0,0 +1,11 @@
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/Make.dep
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/.depend
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/.built
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/*.asm
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/*.obj
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/*.rel
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/*.lst
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/*.sym
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/*.adb
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/*.lib
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/*.src
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22
examples/pca9635/Kconfig
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22
examples/pca9635/Kconfig
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@ -0,0 +1,22 @@
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#
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# For a description of the syntax of this configuration file,
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# see the file kconfig-language.txt in the NuttX tools repository.
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#
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config EXAMPLES_PCA9635
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bool "PCA9635 PWM LED example"
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default n
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---help---
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Enable the PCA9635 example
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if EXAMPLES_PCA9635
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config EXAMPLES_PCA9635_PROGNAME
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string "Program name"
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default "pca9635"
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depends on BUILD_KERNEL
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---help---
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This is the name of the program that will be use when the NSH ELF
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program is installed.
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endif
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39
examples/pca9635/Make.defs
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39
examples/pca9635/Make.defs
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@ -0,0 +1,39 @@
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############################################################################
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# apps/examples/pca9635/Make.defs
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# Adds selected applications to apps/ build
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#
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# Copyright (C) 2015 Gregory Nutt. All rights reserved.
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# Author: Gregory Nutt <gnutt@nuttx.org>
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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#
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# 1. Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# 2. Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in
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# the documentation and/or other materials provided with the
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# distribution.
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# 3. Neither the name NuttX nor the names of its contributors may be
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# used to endorse or promote products derived from this software
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# without specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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# FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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# COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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# BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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# OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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# AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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# POSSIBILITY OF SUCH DAMAGE.
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#
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############################################################################
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ifeq ($(CONFIG_EXAMPLES_PCA9635),y)
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CONFIGURED_APPS += examples/pca9635
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endif
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53
examples/pca9635/Makefile
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53
examples/pca9635/Makefile
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@ -0,0 +1,53 @@
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############################################################################
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# apps/examples/pca9635/Makefile
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#
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# Copyright (C) 2015 Gregory Nutt. All rights reserved.
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# Author: Gregory Nutt <gnutt@nuttx.org>
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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#
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# 1. Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# 2. Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in
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# the documentation and/or other materials provided with the
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# distribution.
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# 3. Neither the name NuttX nor the names of its contributors may be
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# used to endorse or promote products derived from this software
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# without specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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# FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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# COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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# BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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# OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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# AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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# POSSIBILITY OF SUCH DAMAGE.
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#
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############################################################################
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-include $(TOPDIR)/Make.defs
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# PCA9635 built-in application info
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APPNAME = pca9635
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PRIORITY = SCHED_PRIORITY_DEFAULT
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STACKSIZE = 2048
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# PCA9635 Test
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ASRCS =
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CSRCS =
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MAINSRC = pca9635_main.c
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CONFIG_EXAMPLES_PCA9635_PROGNAME ?= pca9635$(EXEEXT)
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PROGNAME = $(CONFIG_EXAMPLES_PCA9635_PROGNAME)
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include $(APPDIR)/Application.mk
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110
examples/pca9635/pca9635_main.c
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110
examples/pca9635/pca9635_main.c
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@ -0,0 +1,110 @@
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/****************************************************************************
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* examples/pca9635/pca9635_main.c
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*
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* Copyright (C) 2015 Gregory Nutt. All rights reserved.
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* Author: Gregory Nutt <gnutt@nuttx.org>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* 3. Neither the name NuttX nor the names of its contributors may be
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* used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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****************************************************************************/
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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#include <sys/ioctl.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <errno.h>
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#include <stdio.h>
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#include <nuttx/pca9635pw.h>
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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#define CONFIG_EXAMPLES_PCA9635_DEVNAME "/dev/leddrv0"
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/****************************************************************************
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* Private Data
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****************************************************************************/
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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/****************************************************************************
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* pca9635_main
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****************************************************************************/
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#ifdef CONFIG_BUILD_KERNEL
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int main(int argc, FAR char *argv[])
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#else
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int pca9635_main(int argc, char *argv[])
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#endif
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{
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struct pca9635pw_setled_brightness_arg_s ledbright;
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int led;
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int bright;
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int fd;
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int ret;
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fd = open(CONFIG_EXAMPLES_PCA9635_DEVNAME, O_RDONLY);
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if (fd < 0)
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{
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fprintf(stderr, "ERROR: Failed to open %s: %d\n",
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CONFIG_EXAMPLES_PCA9635_DEVNAME, errno);
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return -1;
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}
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for (; ; )
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{
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for (bright = 0; bright <= 255; bright++)
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{
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for (led = LED_0; led <= LED_15; led++)
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{
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ledbright.led = led;
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ledbright.brightness = bright;
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ret = ioctl(fd, PWMIOC_SETLED_BRIGHTNESS, (unsigned long)&ledbright);
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if (ret < 0)
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{
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dbg("ERROR: ioctl(PWMIOC_SETLED_BRIGHTNESS) failed: %d\n", errno);
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}
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}
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usleep(100);
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}
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}
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close(fd);
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return 0;
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