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773f69d5d9
NxModbus is a lightweight Modbus protocol stack implementation for NuttX RTOS. This commit adds: - nxmodbus stack - nxmbserver - Modbus Server (Slave) example - nxmbclient - Modbus Client (Master) tool Supported Modbus transports: - ASCII - RTU over serial port - TCP - RAW (ADU) for custom transport implementations Signed-off-by: raiden00pl <raiden00@railab.me>
108 lines
3.4 KiB
C
108 lines
3.4 KiB
C
/****************************************************************************
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* apps/include/nxmodbus/nxmb_raw.h
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*
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* SPDX-License-Identifier: Apache-2.0
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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_NXMODBUS_NXMB_RAW_H
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#define __APPS_INCLUDE_NXMODBUS_NXMB_RAW_H
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/compiler.h>
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#include <nuttx/config.h>
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#include <stdbool.h>
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#include <stdint.h>
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#include <nxmodbus/nxmodbus.h>
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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#define NXMB_RAW_HDR_SIZE 8
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/****************************************************************************
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* Public Function Prototypes
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****************************************************************************/
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#ifdef __cplusplus
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extern "C"
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{
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#endif
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/****************************************************************************
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* Name: nxmb_raw_submit_rx
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*
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* Description:
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* Submit a received raw ADU into the NxModbus protocol core.
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*
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* Input Parameters:
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* h - The NxModbus instance receiving the frame.
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* adu - The received raw ADU container.
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*
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* Returned Value:
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* Zero on success; a negated errno value on failure.
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*
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****************************************************************************/
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int nxmb_raw_submit_rx(nxmb_handle_t h, FAR const struct nxmb_adu_s *adu);
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/****************************************************************************
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* Name: nxmb_raw_put_header
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*
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* Description:
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* Serialize the 8-byte MBAP+FC header for an ADU.
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*
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* Input Parameters:
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* adu - The ADU providing the header fields.
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* hdr - The destination buffer for the serialized header.
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*
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* Returned Value:
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* None.
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*
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****************************************************************************/
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void nxmb_raw_put_header(FAR const struct nxmb_adu_s *adu, FAR uint8_t *hdr);
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/****************************************************************************
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* Name: nxmb_raw_get_header
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*
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* Description:
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* Parse the 8-byte MBAP+FC header into an ADU structure.
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*
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* Input Parameters:
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* adu - The destination ADU structure.
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* hdr - The source buffer containing the serialized header.
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*
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* Returned Value:
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* None.
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*
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****************************************************************************/
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void nxmb_raw_get_header(FAR struct nxmb_adu_s *adu, FAR const uint8_t *hdr);
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#ifdef __cplusplus
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}
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#endif
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#endif /* __APPS_INCLUDE_NXMODBUS_NXMB_RAW_H */
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