root / freemodbus / modbus / include / mbproto.h @ 20e5429c
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1 | 20e5429c | Tom Mullins | /*
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2 | * FreeModbus Libary: A portable Modbus implementation for Modbus ASCII/RTU.
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3 | * Copyright (c) 2006 Christian Walter <wolti@sil.at>
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4 | * All rights reserved.
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5 | *
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6 | * Redistribution and use in source and binary forms, with or without
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7 | * modification, are permitted provided that the following conditions
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8 | * are met:
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9 | * 1. Redistributions of source code must retain the above copyright
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10 | * notice, this list of conditions and the following disclaimer.
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11 | * 2. Redistributions in binary form must reproduce the above copyright
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12 | * notice, this list of conditions and the following disclaimer in the
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13 | * documentation and/or other materials provided with the distribution.
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14 | * 3. The name of the author may not be used to endorse or promote products
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15 | * derived from this software without specific prior written permission.
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16 | *
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17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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27 | *
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28 | * File: $Id: mbproto.h,v 1.14 2006/12/07 22:10:34 wolti Exp $
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29 | */
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30 | |||
31 | #ifndef _MB_PROTO_H
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32 | #define _MB_PROTO_H
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33 | |||
34 | #ifdef __cplusplus
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35 | PR_BEGIN_EXTERN_C |
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36 | #endif
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37 | /* ----------------------- Defines ------------------------------------------*/
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38 | #define MB_ADDRESS_BROADCAST ( 0 ) /*! Modbus broadcast address. */ |
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39 | #define MB_ADDRESS_MIN ( 1 ) /*! Smallest possible slave address. */ |
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40 | #define MB_ADDRESS_MAX ( 247 ) /*! Biggest possible slave address. */ |
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41 | #define MB_FUNC_NONE ( 0 ) |
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42 | #define MB_FUNC_READ_COILS ( 1 ) |
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43 | #define MB_FUNC_READ_DISCRETE_INPUTS ( 2 ) |
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44 | #define MB_FUNC_WRITE_SINGLE_COIL ( 5 ) |
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45 | #define MB_FUNC_WRITE_MULTIPLE_COILS ( 15 ) |
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46 | #define MB_FUNC_READ_HOLDING_REGISTER ( 3 ) |
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47 | #define MB_FUNC_READ_INPUT_REGISTER ( 4 ) |
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48 | #define MB_FUNC_WRITE_REGISTER ( 6 ) |
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49 | #define MB_FUNC_WRITE_MULTIPLE_REGISTERS ( 16 ) |
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50 | #define MB_FUNC_READWRITE_MULTIPLE_REGISTERS ( 23 ) |
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51 | #define MB_FUNC_DIAG_READ_EXCEPTION ( 7 ) |
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52 | #define MB_FUNC_DIAG_DIAGNOSTIC ( 8 ) |
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53 | #define MB_FUNC_DIAG_GET_COM_EVENT_CNT ( 11 ) |
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54 | #define MB_FUNC_DIAG_GET_COM_EVENT_LOG ( 12 ) |
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55 | #define MB_FUNC_OTHER_REPORT_SLAVEID ( 17 ) |
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56 | #define MB_FUNC_ERROR ( 128 ) |
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57 | /* ----------------------- Type definitions ---------------------------------*/
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58 | typedef enum |
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59 | { |
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60 | MB_EX_NONE = 0x00,
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61 | MB_EX_ILLEGAL_FUNCTION = 0x01,
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62 | MB_EX_ILLEGAL_DATA_ADDRESS = 0x02,
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63 | MB_EX_ILLEGAL_DATA_VALUE = 0x03,
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64 | MB_EX_SLAVE_DEVICE_FAILURE = 0x04,
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65 | MB_EX_ACKNOWLEDGE = 0x05,
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66 | MB_EX_SLAVE_BUSY = 0x06,
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67 | MB_EX_MEMORY_PARITY_ERROR = 0x08,
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68 | MB_EX_GATEWAY_PATH_FAILED = 0x0A,
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69 | MB_EX_GATEWAY_TGT_FAILED = 0x0B
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70 | } eMBException; |
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71 | |||
72 | typedef eMBException( *pxMBFunctionHandler ) ( UCHAR * pucFrame, USHORT * pusLength );
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73 | |||
74 | typedef struct |
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75 | { |
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76 | UCHAR ucFunctionCode; |
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77 | pxMBFunctionHandler pxHandler; |
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78 | } xMBFunctionHandler; |
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79 | |||
80 | #ifdef __cplusplus
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81 | PR_END_EXTERN_C |
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82 | #endif
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83 | #endif
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