84 lines
2.6 KiB
C
84 lines
2.6 KiB
C
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/****************************************************************************
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* examples/fxos8700cq/fxos8700cq_main.c
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* fxos8700cq motion sensor sample application
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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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 <fcntl.h>
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#include <stdio.h>
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#include <nuttx/sensors/fxos8700cq.h>
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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#ifndef ACC_DEVPATH
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#define ACC_DEVPATH "/dev/accel0"
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#endif
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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/****************************************************************************
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* fxos8700cq_main
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****************************************************************************/
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int main(int argc, FAR char *argv[])
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{
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int fd;
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fxos8700cq_data data;
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fd = open(ACC_DEVPATH, O_RDONLY);
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if (fd < 0)
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{
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printf("Device %s open failure. %d\n", ACC_DEVPATH, fd);
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return -1;
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}
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while (true)
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{
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int ret;
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ret = read(fd, &data, sizeof(fxos8700cq_data));
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if (ret != sizeof(fxos8700cq_data))
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{
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fprintf(stderr, "Read failed : %d/%d@%d\n",
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ret, sizeof(fxos8700cq_data), fd);
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break;
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}
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printf("{ accel: [%d, %d, %d], magn: [%d, %d, %d] }\n",
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data.accel.x, data.accel.y, data.accel.z,
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data.magn.x, data.magn.y, data.magn.z
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);
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fflush(stdout);
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usleep(1000 / 25);
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}
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close(fd);
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return 0;
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}
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