apps/examples/archbuttons: Removed becaue it violates OS interface principles
This commit is contained in:
Gregory Nutt
parent
637283d810
commit
fcf9e8d7a0
@ -87,36 +87,6 @@ examples/alarm
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CONFIG_EXAMPLES_ALARM_DEVPATH - RTC device path (/dev/rtc0)
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ONFIG_EXAMPLES_ALARM_SIGNO - Alarm signal
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examples/archbuttons
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^^^^^^^^^^^^^^^^^^^^
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This is a simple configuration that may be used to test the board-
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specific button interfaces. Configuration options:
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CONFIG_ARCH_BUTTONS - Must be defined for button support
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CONFIG_EXAMPLES_BUTTONS_MIN - Lowest button number (MIN=0)
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CONFIG_EXAMPLES_BUTTONS_MAX - Highest button number (MAX=7)
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CONFIG_ARCH_IRQBUTTONS - Must be defined for interrupting button support
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CONFIG_EXAMPLES_IRQBUTTONS_MIN - Lowest interrupting button number (MIN=0)
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CONFIG_EXAMPLES_IRQBUTTONS_MAX - Highest interrupting button number (MAX=7)
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Name strings for buttons:
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CONFIG_EXAMPLES_BUTTONS_NAME0, CONFIG_EXAMPLES_BUTTONS_NAME1,
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CONFIG_EXAMPLES_BUTTONS_NAME2, CONFIG_EXAMPLES_BUTTONS_NAME3,
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CONFIG_EXAMPLES_BUTTONS_NAME4, CONFIG_EXAMPLES_BUTTONS_NAME5,
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CONFIG_EXAMPLES_BUTTONS_NAME6, CONFIG_EXAMPLES_BUTTONS_NAME7,
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Additional architecture-/board- specific configuration settings may also
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be required.
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NOTE: This test exercises internal button driver interfaces. As such, it
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relies on internal OS interfaces that are not normally available to a
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user-space program. As a result, this example cannot be used if a
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NuttX is built as a protected, supervisor kernel (CONFIG_BUILD_PROTECTED
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or CONFIG_BUILD_KERNEL).
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examples/bastest
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^^^^^^^^^^^^^^^^
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This directory contains a small program that will mount a ROMFS file system
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11
examples/archbuttons/.gitignore
vendored
11
examples/archbuttons/.gitignore
vendored
@ -1,11 +0,0 @@
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/Make.dep
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/.context
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/.depend
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/.built
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/*.asm
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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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@ -1,64 +0,0 @@
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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_ARCHBUTTONS
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bool "Arch Buttons example"
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default n
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depends on ARCH_BUTTONS && BUILD_FLAT
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---help---
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Enable the buttons example. May require ARCH_BUTTONS on some boards.
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if EXAMPLES_ARCHBUTTONS
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config EXAMPLES_ARCHBUTTONS_MIN
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int "Lowest Button Number"
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default 0
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config EXAMPLES_ARCHBUTTONS_MAX
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int "Highest Button Number"
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default 7
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if ARCH_IRQBUTTONS
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config EXAMPLES_IRQBUTTONS_MIN
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int "Lowest Interrupting Button Number"
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default 0
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config EXAMPLES_IRQBUTTONS_MAX
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int "Highest Interrupting Button Number"
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default 7
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config EXAMPLES_ARCHBUTTONS_NAME0
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string "Button 0 Name"
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default "Button 0"
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config EXAMPLES_ARCHBUTTONS_NAME1
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string "Button 1 Name"
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default "Button 1"
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config EXAMPLES_ARCHBUTTONS_NAME2
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string "Button 2 Name"
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default "Button 2"
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config EXAMPLES_ARCHBUTTONS_NAME3
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string "Button 3 Name"
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default "Button 3"
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config EXAMPLES_ARCHBUTTONS_NAME4
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string "Button 4 Name"
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default "Button 4"
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config EXAMPLES_ARCHBUTTONS_NAME5
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string "Button 5 Name"
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default "Button 5"
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config EXAMPLES_ARCHBUTTONS_NAME6
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string "Button 6 Name"
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default "Button 6"
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config EXAMPLES_ARCHBUTTONS_NAME7
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string "Button 7 Name"
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default "Button 7"
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endif
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endif
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@ -1,39 +0,0 @@
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############################################################################
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# apps/examples/archbuttons/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_ARCHBUTTONS),y)
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CONFIGURED_APPS += examples/archbuttons
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endif
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@ -1,53 +0,0 @@
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############################################################################
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# apps/examples/archbuttons/Makefile
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#
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# Copyright (C) 2011-2012 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 $(TOPDIR)/Make.defs
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# Hello, World! Example
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ASRCS =
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CSRCS =
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MAINSRC = archbuttons_main.c
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CONFIG_XYZ_PROGNAME ?= archbuttons$(EXEEXT)
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PROGNAME = $(CONFIG_XYZ_PROGNAME)
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# Buttons built-in application info
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APPNAME = archbuttons
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PRIORITY = SCHED_PRIORITY_DEFAULT
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STACKSIZE = 2048
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include $(APPDIR)/Application.mk
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@ -1,501 +0,0 @@
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/****************************************************************************
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* examples/archbuttons/archbuttons_main.c
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*
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* Copyright (C) 2011, 2014, 2016 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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* NOTE: This test exercises internal button driver interfaces. As such, it
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* it relies on internal OS interfaces that are not normally available to a
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* user-space program. As a result, this example cannot be used if a
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* NuttX is built as a protected, supervisor kernel (CONFIG_BUILD_PROTECTED or
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* CONFIG_BUILD_KERNEL).
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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 <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <debug.h>
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#include <nuttx/irq.h>
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#include <nuttx/board.h>
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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/* Configuration ************************************************************/
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#ifndef CONFIG_ARCH_BUTTONS
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# error "CONFIG_ARCH_BUTTONS is not defined in the configuration"
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#endif
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#ifndef CONFIG_EXAMPLES_ARCHBUTTONS_NAME0
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# define CONFIG_EXAMPLES_ARCHBUTTONS_NAME0 "BUTTON0"
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#endif
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#ifndef CONFIG_EXAMPLES_ARCHBUTTONS_NAME1
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# define CONFIG_EXAMPLES_ARCHBUTTONS_NAME1 "BUTTON1"
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#endif
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#ifndef CONFIG_EXAMPLES_ARCHBUTTONS_NAME2
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# define CONFIG_EXAMPLES_ARCHBUTTONS_NAME2 "BUTTON2"
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#endif
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#ifndef CONFIG_EXAMPLES_ARCHBUTTONS_NAME3
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# define CONFIG_EXAMPLES_ARCHBUTTONS_NAME3 "BUTTON3"
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#endif
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#ifndef CONFIG_EXAMPLES_ARCHBUTTONS_NAME4
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# define CONFIG_EXAMPLES_ARCHBUTTONS_NAME4 "BUTTON4"
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#endif
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#ifndef CONFIG_EXAMPLES_ARCHBUTTONS_NAME5
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# define CONFIG_EXAMPLES_ARCHBUTTONS_NAME5 "BUTTON5"
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#endif
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#ifndef CONFIG_EXAMPLES_ARCHBUTTONS_NAME6
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# define CONFIG_EXAMPLES_ARCHBUTTONS_NAME6 "BUTTON6"
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#endif
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#ifndef CONFIG_EXAMPLES_ARCHBUTTONS_NAME7
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# define CONFIG_EXAMPLES_ARCHBUTTONS_NAME7 "BUTTON7"
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#endif
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#define BUTTON_MIN 0
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#define BUTTON_MAX 7
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#ifndef CONFIG_EXAMPLES_ARCHBUTTONS_MIN
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# define CONFIG_EXAMPLES_ARCHBUTTONS_MIN BUTTON_MIN
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#endif
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#ifndef CONFIG_EXAMPLES_ARCHBUTTONS_MAX
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# define CONFIG_EXAMPLES_ARCHBUTTONS_MAX BUTTON_MAX
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#endif
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#if CONFIG_EXAMPLES_ARCHBUTTONS_MIN > CONFIG_EXAMPLES_ARCHBUTTONS_MAX
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# error "CONFIG_EXAMPLES_ARCHBUTTONS_MIN > CONFIG_EXAMPLES_ARCHBUTTONS_MAX"
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#endif
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#if CONFIG_EXAMPLES_ARCHBUTTONS_MAX > 7
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# error "CONFIG_EXAMPLES_ARCHBUTTONS_MAX > 7"
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#endif
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#ifndef CONFIG_EXAMPLES_IRQBUTTONS_MIN
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# define CONFIG_EXAMPLES_IRQBUTTONS_MIN CONFIG_EXAMPLES_ARCHBUTTONS_MIN
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#endif
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#ifndef CONFIG_EXAMPLES_IRQBUTTONS_MAX
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# define CONFIG_EXAMPLES_IRQBUTTONS_MAX CONFIG_EXAMPLES_ARCHBUTTONS_MAX
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#endif
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#if CONFIG_EXAMPLES_IRQBUTTONS_MIN > CONFIG_EXAMPLES_IRQBUTTONS_MAX
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# error "CONFIG_EXAMPLES_IRQBUTTONS_MIN > CONFIG_EXAMPLES_IRQBUTTONS_MAX"
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#endif
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#if CONFIG_EXAMPLES_IRQBUTTONS_MAX > 7
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# error "CONFIG_EXAMPLES_IRQBUTTONS_MAX > 7"
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#endif
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#ifndef MIN
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# define MIN(a,b) (a < b ? a : b)
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#endif
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#ifndef MAX
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# define MAX(a,b) (a > b ? a : b)
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#endif
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#define MIN_BUTTON MIN(CONFIG_EXAMPLES_ARCHBUTTONS_MIN, CONFIG_EXAMPLES_IRQBUTTONS_MIN)
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#define MAX_BUTTON MAX(CONFIG_EXAMPLES_ARCHBUTTONS_MAX, CONFIG_EXAMPLES_IRQBUTTONS_MAX)
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#define NUM_BUTTONS (MAX_BUTTON - MIN_BUTTON + 1)
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#define BUTTON_INDEX(b) ((b)-MIN_BUTTON)
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/****************************************************************************
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* Private Types
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****************************************************************************/
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struct button_info_s
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{
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FAR const char *name; /* Name for the button */
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#ifdef CONFIG_ARCH_IRQBUTTONS
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xcpt_t handler; /* Button interrupt handler */
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#endif
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};
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/****************************************************************************
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* Private Function Prototypes
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****************************************************************************/
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static void show_buttons(uint8_t oldset, uint8_t newset);
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#ifdef CONFIG_ARCH_IRQBUTTONS
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static void button_handler(int id, int irq);
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#if MIN_BUTTON < 1
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static int button0_handler(int irq, FAR void *context);
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#endif
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#if MIN_BUTTON < 2 && MAX_BUTTON > 0
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static int button1_handler(int irq, FAR void *context);
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#endif
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#if MIN_BUTTON < 3 && MAX_BUTTON > 1
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static int button2_handler(int irq, FAR void *context);
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#endif
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#if MIN_BUTTON < 4 && MAX_BUTTON > 2
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static int button3_handler(int irq, FAR void *context);
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#endif
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#if MIN_BUTTON < 5 && MAX_BUTTON > 3
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static int button4_handler(int irq, FAR void *context);
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#endif
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#if MIN_BUTTON < 6 && MAX_BUTTON > 4
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static int button5_handler(int irq, FAR void *context);
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#endif
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#if MIN_BUTTON < 7 && MAX_BUTTON > 5
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static int button6_handler(int irq, FAR void *context);
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#endif
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#if MAX_BUTTON > 6
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static int button7_handler(int irq, FAR void *context);
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#endif
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#endif /* CONFIG_ARCH_IRQBUTTONS */
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/****************************************************************************
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* Private Data
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****************************************************************************/
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/* Button Names */
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static const struct button_info_s g_buttoninfo[NUM_BUTTONS] =
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{
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#if MIN_BUTTON < 1
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{
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CONFIG_EXAMPLES_ARCHBUTTONS_NAME0,
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#ifdef CONFIG_ARCH_IRQBUTTONS
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button0_handler
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#endif
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},
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#endif
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#if MIN_BUTTON < 2 && MAX_BUTTON > 0
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{
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CONFIG_EXAMPLES_ARCHBUTTONS_NAME1,
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#ifdef CONFIG_ARCH_IRQBUTTONS
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button1_handler
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#endif
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},
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#endif
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#if MIN_BUTTON < 3 && MAX_BUTTON > 1
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{
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CONFIG_EXAMPLES_ARCHBUTTONS_NAME2,
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#ifdef CONFIG_ARCH_IRQBUTTONS
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button2_handler
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#endif
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},
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#endif
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#if MIN_BUTTON < 4 && MAX_BUTTON > 2
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{
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CONFIG_EXAMPLES_ARCHBUTTONS_NAME3,
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#ifdef CONFIG_ARCH_IRQBUTTONS
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button3_handler
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#endif
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},
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#endif
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#if MIN_BUTTON < 5 && MAX_BUTTON > 3
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{
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CONFIG_EXAMPLES_ARCHBUTTONS_NAME4,
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#ifdef CONFIG_ARCH_IRQBUTTONS
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button4_handler
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#endif
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},
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#endif
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#if MIN_BUTTON < 6 && MAX_BUTTON > 4
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{
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CONFIG_EXAMPLES_ARCHBUTTONS_NAME5,
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#ifdef CONFIG_ARCH_IRQBUTTONS
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button5_handler
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#endif
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},
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#endif
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#if MIN_BUTTON < 7 && MAX_BUTTON > 5
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{
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CONFIG_EXAMPLES_ARCHBUTTONS_NAME6,
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#ifdef CONFIG_ARCH_IRQBUTTONS
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button6_handler
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#endif
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},
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#endif
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#if MAX_BUTTON > 6
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{
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CONFIG_EXAMPLES_ARCHBUTTONS_NAME7,
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#ifdef CONFIG_ARCH_IRQBUTTONS
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button7_handler
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#endif
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}
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#endif
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};
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/* Last sampled button set */
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static uint8_t g_oldset;
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/* Used to limit the number of button presses */
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#ifdef CONFIG_NSH_BUILTIN_APPS
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static volatile long g_nbuttons;
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||||
#endif
|
||||
|
||||
/****************************************************************************
|
||||
* Private Functions
|
||||
****************************************************************************/
|
||||
|
||||
static void show_buttons(uint8_t oldset, uint8_t newset)
|
||||
{
|
||||
uint8_t chgset = oldset ^ newset;
|
||||
int i;
|
||||
|
||||
/* Update the count of button presses shown */
|
||||
|
||||
#ifdef CONFIG_NSH_BUILTIN_APPS
|
||||
if ((chgset & newset) != 0)
|
||||
{
|
||||
g_nbuttons++;
|
||||
}
|
||||
#endif
|
||||
|
||||
/* Show each button state change */
|
||||
|
||||
for (i = MIN_BUTTON; i <= MAX_BUTTON; i++)
|
||||
{
|
||||
uint8_t mask = (1 << i);
|
||||
if ((chgset & mask) != 0)
|
||||
{
|
||||
FAR const char *state;
|
||||
|
||||
/* Get the button state */
|
||||
|
||||
if ((newset & mask) != 0)
|
||||
{
|
||||
state = "depressed";
|
||||
}
|
||||
else
|
||||
{
|
||||
state = "released";
|
||||
}
|
||||
|
||||
syslog(LOG_INFO, " %s %s\n",
|
||||
g_buttoninfo[BUTTON_INDEX(i)].name, state);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
#ifdef CONFIG_ARCH_IRQBUTTONS
|
||||
static void button_handler(int id, int irq)
|
||||
{
|
||||
uint8_t newset = board_buttons();
|
||||
|
||||
syslog(LOG_INFO, "IRQ:%d Button %d:%s SET:%02x:\n",
|
||||
irq, id, g_buttoninfo[BUTTON_INDEX(id)].name, newset);
|
||||
|
||||
show_buttons(g_oldset, newset);
|
||||
g_oldset = newset;
|
||||
}
|
||||
|
||||
#if MIN_BUTTON < 1
|
||||
static int button0_handler(int irq, FAR void *context)
|
||||
{
|
||||
button_handler(0, irq);
|
||||
return OK;
|
||||
}
|
||||
#endif
|
||||
|
||||
#if MIN_BUTTON < 2 && MAX_BUTTON > 0
|
||||
static int button1_handler(int irq, FAR void *context)
|
||||
{
|
||||
button_handler(1, irq);
|
||||
return OK;
|
||||
}
|
||||
#endif
|
||||
|
||||
#if MIN_BUTTON < 3 && MAX_BUTTON > 1
|
||||
static int button2_handler(int irq, FAR void *context)
|
||||
{
|
||||
button_handler(2, irq);
|
||||
return OK;
|
||||
}
|
||||
#endif
|
||||
|
||||
#if MIN_BUTTON < 4 && MAX_BUTTON > 2
|
||||
static int button3_handler(int irq, FAR void *context)
|
||||
{
|
||||
button_handler(3, irq);
|
||||
return OK;
|
||||
}
|
||||
#endif
|
||||
|
||||
#if MIN_BUTTON < 5 && MAX_BUTTON > 3
|
||||
static int button4_handler(int irq, FAR void *context)
|
||||
{
|
||||
button_handler(4, irq);
|
||||
return OK;
|
||||
}
|
||||
#endif
|
||||
|
||||
#if MIN_BUTTON < 6 && MAX_BUTTON > 4
|
||||
static int button5_handler(int irq, FAR void *context)
|
||||
{
|
||||
button_handler(5, irq);
|
||||
return OK;
|
||||
}
|
||||
#endif
|
||||
|
||||
#if MIN_BUTTON < 7 && MAX_BUTTON > 5
|
||||
static int button6_handler(int irq, FAR void *context)
|
||||
{
|
||||
button_handler(6, irq);
|
||||
return OK;
|
||||
}
|
||||
#endif
|
||||
|
||||
#if MAX_BUTTON > 6
|
||||
static int button7_handler(int irq, FAR void *context)
|
||||
{
|
||||
button_handler(7, irq);
|
||||
return OK;
|
||||
}
|
||||
#endif
|
||||
#endif /* CONFIG_ARCH_IRQBUTTONS */
|
||||
|
||||
/****************************************************************************
|
||||
* Public Functions
|
||||
****************************************************************************/
|
||||
|
||||
/****************************************************************************
|
||||
* archbuttons_main
|
||||
****************************************************************************/
|
||||
|
||||
#ifdef CONFIG_BUILD_KERNEL
|
||||
int main(int argc, FAR char *argv[])
|
||||
#else
|
||||
int archbuttons_main(int argc, char *argv[])
|
||||
#endif
|
||||
{
|
||||
uint8_t newset;
|
||||
irqstate_t flags;
|
||||
#ifdef CONFIG_ARCH_IRQBUTTONS
|
||||
int i;
|
||||
#endif
|
||||
|
||||
/* If this example is configured as an NX add-on, then limit the number of
|
||||
* samples that we collect before returning. Otherwise, we never return
|
||||
*/
|
||||
|
||||
#ifdef CONFIG_NSH_BUILTIN_APPS
|
||||
long maxbuttons = 1;
|
||||
g_nbuttons = 0;
|
||||
if (argc > 1)
|
||||
{
|
||||
maxbuttons = strtol(argv[1], NULL, 10);
|
||||
}
|
||||
|
||||
syslog(LOG_INFO, "maxbuttons: %d\n", maxbuttons);
|
||||
#endif
|
||||
|
||||
/* Initialize the button GPIOs */
|
||||
|
||||
board_button_initialize();
|
||||
|
||||
/* Register to receive button interrupts */
|
||||
|
||||
#ifdef CONFIG_ARCH_IRQBUTTONS
|
||||
for (i = CONFIG_EXAMPLES_IRQBUTTONS_MIN; i <= CONFIG_EXAMPLES_IRQBUTTONS_MAX; i++)
|
||||
{
|
||||
xcpt_t oldhandler = board_button_irq(i, g_buttoninfo[BUTTON_INDEX(i)].handler);
|
||||
|
||||
syslog(LOG_INFO, "Attached handler at %p to button %d [%s], oldhandler:%p\n",
|
||||
g_buttoninfo[BUTTON_INDEX(i)].handler, i,
|
||||
g_buttoninfo[BUTTON_INDEX(i)].name, oldhandler);
|
||||
|
||||
/* Some hardware multiplexes different GPIO button sources to the same
|
||||
* physical interrupt. If we register multiple such multiplexed button
|
||||
* interrupts, then the second registration will overwrite the first. In
|
||||
* this case, the first button interrupts may be aliased to the second
|
||||
* interrupt handler (or worse, could be lost).
|
||||
*/
|
||||
|
||||
if (oldhandler != NULL)
|
||||
{
|
||||
syslog(LOG_INFO, "WARNING: oldhandler:%p is not NULL! "
|
||||
"Button events may be lost or aliased!\n",
|
||||
oldhandler);
|
||||
}
|
||||
}
|
||||
#endif
|
||||
|
||||
/* Poll button state */
|
||||
|
||||
g_oldset = board_buttons();
|
||||
#ifdef CONFIG_NSH_BUILTIN_APPS
|
||||
while (g_nbuttons < maxbuttons)
|
||||
#else
|
||||
for (;;)
|
||||
#endif
|
||||
{
|
||||
/* Get the set of pressed and release buttons. */
|
||||
|
||||
newset = board_buttons();
|
||||
|
||||
/* Any changes from the last sample? */
|
||||
|
||||
if (newset != g_oldset)
|
||||
{
|
||||
/* Disable interrupts so that output here will not collide with
|
||||
* output from an interrupt handler.
|
||||
*/
|
||||
|
||||
flags = enter_critical_section();
|
||||
|
||||
syslog(LOG_INFO, "POLL SET:%02x:\n", newset);
|
||||
show_buttons(g_oldset, newset);
|
||||
g_oldset = newset;
|
||||
leave_critical_section(flags);
|
||||
}
|
||||
|
||||
/* Sleep a little... but not long. This will determine how fast we
|
||||
* poll for button changes.
|
||||
*/
|
||||
|
||||
usleep(150000); /* 150 Milliseconds */
|
||||
}
|
||||
|
||||
/* Un-register button handlers */
|
||||
|
||||
#ifdef CONFIG_ARCH_IRQBUTTONS
|
||||
for (i = CONFIG_EXAMPLES_IRQBUTTONS_MIN; i <= CONFIG_EXAMPLES_IRQBUTTONS_MAX; i++)
|
||||
{
|
||||
(void)board_button_irq(i, NULL);
|
||||
}
|
||||
#endif
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user