Add nuttx to the system framework, which is 10.1.0
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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_DJOYSTICK
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tristate "Discrete joystick example"
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default n
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depends on INPUT_DJOYSTICK
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---help---
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Enable the discrete joystick example
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if EXAMPLES_DJOYSTICK
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config EXAMPLES_DJOYSTICK_DEVNAME
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string "Joystick device name"
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default "/dev/djoy0"
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config EXAMPLES_DJOYSTICK_SIGNO
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int "Joystick signal"
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default 13
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endif
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############################################################################
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# apps/examples/djoystick/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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ifneq ($(CONFIG_EXAMPLES_DJOYSTICK),)
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CONFIGURED_APPS += $(APPDIR)/examples/djoystick
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endif
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@@ -0,0 +1,49 @@
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############################################################################
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# apps/examples/djoystick/Makefile
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#
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# Copyright (C) 2014 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 $(APPDIR)/Make.defs
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# Hello, World! Example
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MAINSRC = djoy_main.c
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# Buttons built-in application info
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PROGNAME = djoy
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PRIORITY = SCHED_PRIORITY_DEFAULT
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STACKSIZE = $(CONFIG_DEFAULT_TASK_STACKSIZE)
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MODULE = $(CONFIG_EXAMPLES_DJOYSTICK)
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include $(APPDIR)/Application.mk
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@@ -0,0 +1,253 @@
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/****************************************************************************
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* examplex/djoystick/djoy_main.c
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*
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* Copyright (C) 2014-2015 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 <stdio.h>
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#include <stdlib.h>
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#include <fcntl.h>
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#include <errno.h>
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#include <debug.h>
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#include <nuttx/input/djoystick.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_INPUT_DJOYSTICK
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# error "CONFIG_INPUT_DJOYSTICK is not defined in the configuration"
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#endif
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#ifndef CONFIG_EXAMPLES_DJOYSTICK_DEVNAME
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# define CONFIG_EXAMPLES_DJOYSTICK_DEVNAME "/dev/djoy0"
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#endif
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#ifndef CONFIG_EXAMPLES_DJOYSTICK_SIGNO
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# define CONFIG_EXAMPLES_DJOYSTICK_SIGNO 13
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#endif
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/* Helpers ******************************************************************/
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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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/****************************************************************************
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* Private Function Prototypes
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****************************************************************************/
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static void show_joystick(djoy_buttonset_t oldset, djoy_buttonset_t newset);
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/****************************************************************************
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* Private Data
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****************************************************************************/
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/* The set of supported joystick discretes */
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static djoy_buttonset_t g_djoysupported;
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/* Last sampled discrete set */
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static djoy_buttonset_t g_djoylast;
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/* Joystick discrete names */
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static const char *g_djoynames[DJOY_NDISCRETES] =
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{
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"UP", "DOWN", "LEFT", "RIGHT", "SELECT", "FIRE", "JUMP", "RUN"
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};
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/****************************************************************************
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* Private Functions
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****************************************************************************/
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static void show_joystick(djoy_buttonset_t oldset, djoy_buttonset_t newset)
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{
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djoy_buttonset_t chgset = oldset ^ newset;
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int i;
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/* Show each discrete state change */
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for (i = 0; i <= DJOY_NDISCRETES; i++)
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{
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djoy_buttonset_t mask = (1 << i);
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if ((chgset & mask) != 0)
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{
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FAR const char *state;
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/* Get the discrete state */
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if ((newset & mask) != 0)
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{
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state = "selected";
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}
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else
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{
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state = "released";
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}
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printf(" %-6s: %s\n", g_djoynames[i], state);
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}
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}
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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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* djoy_main
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****************************************************************************/
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int main(int argc, FAR char *argv[])
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{
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struct djoy_notify_s notify;
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int fd;
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int tmp;
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int ret;
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int errcode = EXIT_FAILURE;
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/* Reset some globals that might been been left in a bad state */
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g_djoylast = 0;
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/* Open the djoystick device */
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fd = open(CONFIG_EXAMPLES_DJOYSTICK_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_DJOYSTICK_DEVNAME, errno);
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return EXIT_FAILURE;
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}
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/* Get the set of supported discretes */
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ret = ioctl(fd, DJOYIOC_SUPPORTED, (unsigned long)((uintptr_t)&tmp));
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if (ret < 0)
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{
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fprintf(stderr, "ERROR: ioctl(DJOYIOC_SUPPORTED) failed: %d\n", errno);
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goto errout_with_fd;
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}
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g_djoysupported = (djoy_buttonset_t)tmp;
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printf("Supported joystick discretes:\n");
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show_joystick(0, g_djoysupported);
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/* Register to receive a signal on any change in the joystick discretes. */
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notify.dn_press = g_djoysupported;
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notify.dn_release = g_djoysupported;
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notify.dn_event.sigev_notify = SIGEV_SIGNAL;
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notify.dn_event.sigev_signo = CONFIG_EXAMPLES_DJOYSTICK_SIGNO;
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ret = ioctl(fd, DJOYIOC_REGISTER, (unsigned long)((uintptr_t)¬ify));
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if (ret < 0)
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{
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fprintf(stderr, "ERROR: ioctl(DJOYIOC_REGISTER) failed: %d\n", errno);
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goto errout_with_fd;
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}
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/* Ignore the default signal action */
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signal(CONFIG_EXAMPLES_DJOYSTICK_SIGNO, SIG_IGN);
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/* Then loop, receiving signals indicating joystick events. */
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for (; ; )
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{
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struct siginfo value;
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sigset_t set;
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djoy_buttonset_t newset;
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ssize_t nread;
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/* Wait for a signal */
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sigemptyset(&set);
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sigaddset(&set, CONFIG_EXAMPLES_DJOYSTICK_SIGNO);
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ret = sigwaitinfo(&set, &value);
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if (ret < 0)
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{
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fprintf(stderr, "ERROR: sigwaitinfo() failed: %d\n", errno);
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goto errout_with_fd;
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}
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/* Show the set of joystick discretes accompanying the signal */
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printf("Signalled set\n");
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newset = (djoy_buttonset_t)value.si_value.sival_int;
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show_joystick(g_djoylast, newset);
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g_djoylast = newset;
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/* Read the signal set and compare */
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nread = read(fd, &newset, sizeof(djoy_buttonset_t));
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if (nread < 0)
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{
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fprintf(stderr, "ERROR: read() failed: %d\n", errno);
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goto errout_with_fd;
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}
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else if (nread != sizeof(djoy_buttonset_t))
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{
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fprintf(stderr, "ERROR: read() unexpected size: %ld vs %d\n",
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(long)nread, sizeof(djoy_buttonset_t));
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goto errout_with_fd;
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}
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/* Show the set of joystick discretes that we just read */
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printf("Read set\n");
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show_joystick(g_djoylast, newset);
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g_djoylast = newset;
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}
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errcode = EXIT_SUCCESS;
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errout_with_fd:
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close(fd);
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return errcode;
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}
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