102 lines
2.8 KiB
C
102 lines
2.8 KiB
C
/****************************************************************************
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* apps/examples/apds9960/apds9960_main.c
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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 <stdio.h>
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#include <stdlib.h>
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#include <errno.h>
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#include <fcntl.h>
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#include <nuttx/sensors/apds9960.h>
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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#ifndef CONFIG_EXAMPLES_APDS9960_DEVNAME
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# define CONFIG_EXAMPLES_APDS9960_DEVNAME "/dev/gest0"
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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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* apds9960_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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int nbytes;
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char gest;
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fd = open(CONFIG_EXAMPLES_APDS9960_DEVNAME, O_RDONLY | O_NONBLOCK);
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if (fd < 0)
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{
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int errcode = errno;
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printf("ERROR: Failed to open %s: %d\n",
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CONFIG_EXAMPLES_APDS9960_DEVNAME, errcode);
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goto errout;
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}
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while (1)
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{
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nbytes = read(fd, &gest, sizeof(gest));
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if (nbytes == 1)
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{
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switch (gest)
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{
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case DIR_LEFT:
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printf("LEFT\n");
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break;
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case DIR_RIGHT:
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printf("RIGHT\n");
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break;
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case DIR_UP:
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printf("UP\n");
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break;
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case DIR_DOWN:
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printf("DOWN\n");
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break;
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}
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}
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fflush(stdout);
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/* Wait 10ms */
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usleep(10000);
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}
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return 0;
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errout:
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return EXIT_FAILURE;
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}
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