2ac8589a25
error: Path relative to repository other than nuttx must begin with the root directory Signed-off-by: Alin Jerpelea <alin.jerpelea@sony.com>
76 lines
2.3 KiB
C
76 lines
2.3 KiB
C
/****************************************************************************
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* apps/examples/obd2/obd2_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 "canutils/obd.h"
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#include "canutils/obd_pid.h"
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#include "canutils/obd_frame.h"
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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/****************************************************************************
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* obd2_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 obd_dev_s *dev;
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int ret;
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dev = obd_init("/dev/can0", 0, 0);
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if (!dev)
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{
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printf("Failed to initialize the OBD-II device!\n");
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return -1;
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}
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/* Request the RPM */
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ret = obd_send_request(dev, OBD_SHOW_DATA, OBD_PID_RPM);
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if (ret < 0)
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{
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printf("Failed to request RPM!\n");
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return -1;
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}
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/* Wait for response */
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ret = obd_wait_response(dev, OBD_SHOW_DATA, OBD_PID_RPM, 100);
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if (ret < 0)
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{
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printf("Failed to receive the response!\n");
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return -1;
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}
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/* Decode the received PID */
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printf("RPM = %s\n", obd_decode_pid(dev, OBD_PID_RPM));
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return 0;
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}
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