15c6c91b8a
error: Path relative to repository other than nuttx must begin with the root directory Signed-off-by: Alin Jerpelea <alin.jerpelea@sony.com>
59 lines
2.2 KiB
C
59 lines
2.2 KiB
C
/****************************************************************************
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* apps/include/canutils/obd_frame.h
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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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#ifndef __APPS_INCLUDE_CANUTILS_OBD_FRAME_H
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#define __APPS_INCLUDE_CANUTILS_OBD_FRAME_H
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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/* Frame Type
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*
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* Bits 7-4 of CAN Data 0
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*
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*/
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#define OBD_FRAME_TYPE(x) (x & 0xf0) /* Mask bits 4-7 */
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#define OBD_SINGLE_FRAME (0 << 4) /* Single frame */
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#define OBD_FIRST_FRAME (1 << 4) /* First frame */
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#define OBD_CONSEC_FRAME (2 << 4) /* Consecutive frame */
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#define OBD_FLWCTRL_FRAME (3 << 4) /* Flow control frame */
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/* Single Frame fields */
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#define OBD_SF_DATA_LEN(x) (x & 0xf) /* Data Length of Single Frame */
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/* First Frame fields */
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#define OBD_FF_DATA_LEN_D0(x) ((x & 0xf) << 8) /* Data Length of First Frame D0 */
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#define OBD_FF_DATA_LEN_D1(x) (x & 0xff) /* Data Length of First Frame D1 */
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/* Consecutive Frame fields */
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#define OBD_CF_SEQ_NUM(x) (x & 0xf) /* Consecutive Sequence Number */
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/* Flow Control Frame fields */
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#define OBD_FC_FLOW_STATUS(x) (x & 0xf) /* Flow Control Status */
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#endif /* __APPS_INCLUDE_CANUTILS_OBD_FRAME_H */
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