78 lines
2.3 KiB
C
78 lines
2.3 KiB
C
/****************************************************************************
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* apps/examples/wiegand/wiegand.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 <inttypes.h>
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#include <stdio.h>
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#include <fcntl.h>
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#include <unistd.h>
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#include <nuttx/wiegand/wiegand.h>
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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/****************************************************************************
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* Wiegand
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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 ret;
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struct wiegand_data_s data;
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fd = open ("/dev/wiega0", O_RDONLY);
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if (fd < 0)
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{
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printf("Erro: Failed to open \n");
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return -1;
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}
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printf("Wiegand app is running\n");
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while (1)
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{
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ret = read(fd, &data, sizeof(data));
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if (ret > 0)
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{
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if (data.status == WIEGAND_SUCCESS)
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{
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printf("ABA Code: %d\n", data.aba_code);
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printf("FC: %04x \n", data.facility_code);
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printf("ID: %06x\n", data.id);
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break;
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}
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}
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sleep(1);
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}
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close (fd);
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return 0;
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}
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