25b92edd9f
apps/builtin/exec_builtin.c: Try posix_spawn if builtin apps do not have have an entry point.
apps/Application.mk: introduce MODULE config to simplify tristate(m)
apps/nsh: Change the nuttx shell module type to tristate
apps: Add loadable application support
script/mksymtab: Generate symbol table name by default
apps/builtin: Allow loadable applications can register with apps/builtin.
83 lines
2.7 KiB
C
83 lines
2.7 KiB
C
/****************************************************************************
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* lis3dsh_reader_main.c
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*
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* Copyright (C) 2017 Florian Olbrich. All rights reserved.
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* Author: Florian Olbrich <florian.olbrich@oth-regensburg.de>
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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 <nuttx/config.h>
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#include <sys/ioctl.h>
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#include <stdbool.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <fcntl.h>
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#include <sched.h>
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#include <errno.h>
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#include <debug.h>
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#include <time.h>
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#include <nuttx/sensors/lis3dsh.h>
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/****************************************************************************
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* lis3dsh_reader_main
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****************************************************************************/
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#ifdef CONFIG_BUILD_LOADABLE
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int main(int argc, FAR char *argv[])
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#else
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int lis3dsh_reader_main(int argc, FAR char *argv[])
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#endif
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{
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FILE *acc;
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struct acc_data_t
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{
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int16_t x;
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int16_t y;
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int16_t z;
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} acc_data;
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int i;
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acc = fopen("/dev/acc0", "r");
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for (i = 0; 1; i++)
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{
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fread( &acc_data, 6, 1, acc );
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printf("x: %4d y: %4d z: %4d \r",
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acc_data.x, acc_data.y, acc_data.z);
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usleep(300);
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}
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fclose(acc);
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return EXIT_SUCCESS;
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}
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