1 /*
2  * FreeModbus Libary: A portable Modbus implementation for Modbus ASCII/RTU.
3  * Copyright (c) 2006 Christian Walter <wolti@sil.at>
4  * All rights reserved.
5  *
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted provided that the following conditions
8  * are met:
9  * 1. Redistributions of source code must retain the above copyright
10  *    notice, this list of conditions and the following disclaimer.
11  * 2. Redistributions in binary form must reproduce the above copyright
12  *    notice, this list of conditions and the following disclaimer in the
13  *    documentation and/or other materials provided with the distribution.
14  * 3. The name of the author may not be used to endorse or promote products
15  *    derived from this software without specific prior written permission.
16  *
17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27  *
28  * File: $Id: mbconfig.h,v 1.15 2010/06/06 13:54:40 wolti Exp $
29  *       $Id: mbconfig.h,v 1.60 2013/08/13 21:19:55 Armink Add Master Functions $
30  */
31 
32 #ifndef _MB_CONFIG_H
33 #define _MB_CONFIG_H
34 
35 #include "sdkconfig.h" // for KConfig options
36 
37 #ifdef __cplusplus
38 PR_BEGIN_EXTERN_C
39 #endif
40 /* ----------------------- Defines ------------------------------------------*/
41 /*! \defgroup modbus_cfg Modbus Configuration
42  *
43  * Most modules in the protocol stack are completly optional and can be
44  * excluded. This is specially important if target resources are very small
45  * and program memory space should be saved.<br>
46  *
47  * All of these settings are available in the file <code>mbconfig.h</code>
48  */
49 /*! \addtogroup modbus_cfg
50  *  @{
51  */
52 /*! \brief If Modbus Master ASCII support is enabled. */
53 #define MB_MASTER_ASCII_ENABLED                 (  CONFIG_FMB_COMM_MODE_ASCII_EN )
54 /*! \brief If Modbus Master RTU support is enabled. */
55 #define MB_MASTER_RTU_ENABLED                   (  CONFIG_FMB_COMM_MODE_RTU_EN )
56 /*! \brief If Modbus Master TCP support is enabled. */
57 #define MB_MASTER_TCP_ENABLED                   (  CONFIG_FMB_COMM_MODE_TCP_EN )
58 /*! \brief If Modbus Slave ASCII support is enabled. */
59 #define MB_SLAVE_ASCII_ENABLED                  (  CONFIG_FMB_COMM_MODE_ASCII_EN )
60 /*! \brief If Modbus Slave RTU support is enabled. */
61 #define MB_SLAVE_RTU_ENABLED                    (  CONFIG_FMB_COMM_MODE_RTU_EN )
62 /*! \brief If Modbus Slave TCP support is enabled. */
63 #define MB_TCP_ENABLED                          (  CONFIG_FMB_COMM_MODE_TCP_EN )
64 
65 #if !CONFIG_FMB_COMM_MODE_ASCII_EN && !CONFIG_FMB_COMM_MODE_RTU_EN && !MB_MASTER_TCP_ENABLED && !MB_TCP_ENABLED
66 #error "None of Modbus communication mode is enabled. Please enable one of (ASCII, RTU, TCP) mode in Kconfig."
67 #endif
68 
69 /*! \brief This option defines the number of data bits per ASCII character.
70  *
71  * A parity bit is added before the stop bit which keeps the actual byte size at 10 bits.
72  */
73 #ifdef CONFIG_FMB_SERIAL_ASCII_BITS_PER_SYMB
74 #define MB_ASCII_BITS_PER_SYMB                  (  CONFIG_FMB_SERIAL_ASCII_BITS_PER_SYMB )
75 #endif
76 
77 /*! \brief The character timeout value for Modbus ASCII.
78  *
79  * The character timeout value is not fixed for Modbus ASCII and is therefore
80  * a configuration option. It should be set to the maximum expected delay
81  * time of the network.
82  */
83 #ifdef CONFIG_FMB_SERIAL_ASCII_TIMEOUT_RESPOND_MS
84 #define MB_ASCII_TIMEOUT_MS                     (  CONFIG_FMB_SERIAL_ASCII_TIMEOUT_RESPOND_MS )
85 #endif
86 
87 /*! \brief Timeout to wait in ASCII prior to enabling transmitter.
88  *
89  * If defined the function calls vMBPortSerialDelay with the argument
90  * MB_ASCII_TIMEOUT_WAIT_BEFORE_SEND_MS to allow for a delay before
91  * the serial transmitter is enabled. This is required because some
92  * targets are so fast that there is no time between receiving and
93  * transmitting the frame. If the master is to slow with enabling its
94  * receiver then he will not receive the response correctly.
95  */
96 #ifndef MB_ASCII_TIMEOUT_WAIT_BEFORE_SEND_MS
97 #define MB_ASCII_TIMEOUT_WAIT_BEFORE_SEND_MS    ( 0 )
98 #endif
99 
100 /*! \brief Maximum number of Modbus functions codes the protocol stack
101  *    should support.
102  *
103  * The maximum number of supported Modbus functions must be greater than
104  * the sum of all enabled functions in this file and custom function
105  * handlers. If set to small adding more functions will fail.
106  */
107 #define MB_FUNC_HANDLERS_MAX                    ( 16 )
108 
109 /*! \brief Number of bytes which should be allocated for the <em>Report Slave ID
110  *    </em>command.
111  *
112  * This number limits the maximum size of the additional segment in the
113  * report slave id function. See eMBSetSlaveID(  ) for more information on
114  * how to set this value. It is only used if MB_FUNC_OTHER_REP_SLAVEID_ENABLED
115  * is set to <code>1</code>.
116  */
117 #define MB_FUNC_OTHER_REP_SLAVEID_BUF           ( 32 )
118 
119 /*! \brief If the <em>Report Slave ID</em> function should be enabled. */
120 #define MB_FUNC_OTHER_REP_SLAVEID_ENABLED       (  CONFIG_FMB_CONTROLLER_SLAVE_ID_SUPPORT )
121 
122 /*! \brief If the <em>Read Input Registers</em> function should be enabled. */
123 #define MB_FUNC_READ_INPUT_ENABLED              (  1 )
124 
125 /*! \brief If the <em>Read Holding Registers</em> function should be enabled. */
126 #define MB_FUNC_READ_HOLDING_ENABLED            (  1 )
127 
128 /*! \brief If the <em>Write Single Register</em> function should be enabled. */
129 #define MB_FUNC_WRITE_HOLDING_ENABLED           (  1 )
130 
131 /*! \brief If the <em>Write Multiple registers</em> function should be enabled. */
132 #define MB_FUNC_WRITE_MULTIPLE_HOLDING_ENABLED  (  1 )
133 
134 /*! \brief If the <em>Read Coils</em> function should be enabled. */
135 #define MB_FUNC_READ_COILS_ENABLED              (  1 )
136 
137 /*! \brief If the <em>Write Coils</em> function should be enabled. */
138 #define MB_FUNC_WRITE_COIL_ENABLED              (  1 )
139 
140 /*! \brief If the <em>Write Multiple Coils</em> function should be enabled. */
141 #define MB_FUNC_WRITE_MULTIPLE_COILS_ENABLED    (  1 )
142 
143 /*! \brief If the <em>Read Discrete Inputs</em> function should be enabled. */
144 #define MB_FUNC_READ_DISCRETE_INPUTS_ENABLED    (  1 )
145 
146 /*! \brief If the <em>Read/Write Multiple Registers</em> function should be enabled. */
147 #define MB_FUNC_READWRITE_HOLDING_ENABLED       (  1 )
148 
149 /*! \brief Check the option to place timer handler into IRAM */
150 #define MB_PORT_TIMER_ISR_IN_IRAM               (  CONFIG_FMB_TIMER_ISR_IN_IRAM )
151 
152 /*! @} */
153 #ifdef __cplusplus
154     PR_END_EXTERN_C
155 #endif
156 
157 #if MB_MASTER_RTU_ENABLED || MB_MASTER_ASCII_ENABLED || MB_MASTER_TCP_ENABLED
158 /*! \brief If master send a broadcast frame, the master will wait time of convert to delay,
159  * then master can send other frame */
160 #define MB_MASTER_DELAY_MS_CONVERT              ( CONFIG_FMB_MASTER_DELAY_MS_CONVERT )
161 /*! \brief If master send a frame which is not broadcast,the master will wait sometime for slave.
162  * And if slave is not respond in this time,the master will process this timeout error.
163  * Then master can send other frame */
164 #define MB_MASTER_TIMEOUT_MS_RESPOND            ( CONFIG_FMB_MASTER_TIMEOUT_MS_RESPOND )
165 /*! \brief The total slaves in Modbus Master system.
166  * \note : The slave ID must be continuous from 1.*/
167 #define MB_MASTER_TOTAL_SLAVE_NUM               ( 247 )
168 #endif
169 
170 #endif
171