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1 /* File generated by Beremiz (PlugGenerate_C method of modbus Plugin instance) */ |
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2 |
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3 /* |
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4 * Copyright (c) 2016 Mario de Sousa (msousa@fe.up.pt) |
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5 * |
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6 * This file is part of the Modbus library for Beremiz and matiec. |
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7 * |
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8 * This Modbus library is free software: you can redistribute it and/or modify |
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9 * it under the terms of the GNU Lesser General Public License as published by |
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10 * the Free Software Foundation, either version 3 of the License, or |
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11 * (at your option) any later version. |
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12 * |
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13 * This program is distributed in the hope that it will be useful, but |
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14 * WITHOUT ANY WARRANTY; without even the implied warranty of |
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15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser |
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16 * General Public License for more details. |
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17 * |
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18 * You should have received a copy of the GNU Lesser General Public License |
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19 * along with this Modbus library. If not, see <http://www.gnu.org/licenses/>. |
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20 * |
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21 * This code is made available on the understanding that it will not be |
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22 * used in safety-critical situations without a full and competent review. |
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23 */ |
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24 |
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25 #include "mb_addr.h" |
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26 #include "mb_tcp_private.h" |
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27 #include "mb_master_private.h" |
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28 |
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29 |
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30 |
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31 #define DEF_REQ_SEND_RETRIES 0 |
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32 |
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33 // Used by the Modbus server node |
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34 #define MEM_AREA_SIZE 65536 |
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35 typedef struct{ |
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36 u16 ro_bits [MEM_AREA_SIZE]; |
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37 u16 rw_bits [MEM_AREA_SIZE]; |
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38 u16 ro_words[MEM_AREA_SIZE]; |
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39 u16 rw_words[MEM_AREA_SIZE]; |
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40 } server_mem_t; |
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41 |
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42 typedef struct{ |
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43 const char *location; |
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44 u8 slave_id; |
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45 node_addr_t node_address; |
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46 int mb_nd; // modbus library node used for this server |
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47 int init_state; // store how far along the server's initialization has progressed |
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48 pthread_t thread_id; // thread handling this server |
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49 server_mem_t mem_area; |
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50 } server_node_t; |
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51 |
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52 |
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53 // Used by the Modbus client node |
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54 typedef struct{ |
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55 const char *location; |
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56 node_addr_t node_address; |
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57 int mb_nd; |
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58 int init_state; // store how far along the client's initialization has progressed |
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59 u64 comm_period; |
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60 int prev_error; // error code of the last printed error message (0 when no error) |
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61 pthread_t thread_id; // thread handling all communication with this client |
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62 } client_node_t; |
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63 |
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64 |
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65 // Used by the Modbus client plugin |
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66 typedef enum { |
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67 req_input, |
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68 req_output, |
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69 no_request /* just for tests to quickly disable a request */ |
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70 } iotype_t; |
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71 |
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72 #define REQ_BUF_SIZE 2000 |
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73 typedef struct{ |
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74 const char *location; |
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75 int client_node_id; |
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76 u8 slave_id; |
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77 iotype_t req_type; |
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78 u8 mb_function; |
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79 u16 address; |
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80 u16 count; |
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81 int retries; |
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82 u8 error_code; // modbus error code (if any) of current request |
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83 int prev_error; // error code of the last printed error message (0 when no error) |
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84 struct timespec resp_timeout; |
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85 // buffer used to store located PLC variables |
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86 u16 plcv_buffer[REQ_BUF_SIZE]; |
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87 // buffer used to store data coming from / going to server |
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88 u16 coms_buffer[REQ_BUF_SIZE]; |
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89 pthread_mutex_t coms_buf_mutex; // mutex to access coms_buffer[] |
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90 } client_request_t; |
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91 |
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92 |
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93 /* The total number of nodes, needed to support _all_ instances of the modbus plugin */ |
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94 #define TOTAL_TCPNODE_COUNT %(total_tcpnode_count)s |
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95 #define TOTAL_RTUNODE_COUNT %(total_rtunode_count)s |
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96 #define TOTAL_ASCNODE_COUNT %(total_ascnode_count)s |
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97 |
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98 /* Values for instance %(locstr)s of the modbus plugin */ |
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99 #define MAX_NUMBER_OF_TCPCLIENTS %(max_remote_tcpclient)s |
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100 |
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101 #define NUMBER_OF_TCPSERVER_NODES %(tcpserver_node_count)s |
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102 #define NUMBER_OF_TCPCLIENT_NODES %(tcpclient_node_count)s |
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103 #define NUMBER_OF_TCPCLIENT_REQTS %(tcpclient_reqs_count)s |
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104 |
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105 #define NUMBER_OF_RTUSERVER_NODES %(rtuserver_node_count)s |
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106 #define NUMBER_OF_RTUCLIENT_NODES %(rtuclient_node_count)s |
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107 #define NUMBER_OF_RTUCLIENT_REQTS %(rtuclient_reqs_count)s |
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108 |
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109 #define NUMBER_OF_ASCIISERVER_NODES %(ascserver_node_count)s |
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110 #define NUMBER_OF_ASCIICLIENT_NODES %(ascclient_node_count)s |
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111 #define NUMBER_OF_ASCIICLIENT_REQTS %(ascclient_reqs_count)s |
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112 |
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113 #define NUMBER_OF_SERVER_NODES (NUMBER_OF_TCPSERVER_NODES + \ |
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114 NUMBER_OF_RTUSERVER_NODES + \ |
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115 NUMBER_OF_ASCIISERVER_NODES) |
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116 |
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117 #define NUMBER_OF_CLIENT_NODES (NUMBER_OF_TCPCLIENT_NODES + \ |
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118 NUMBER_OF_RTUCLIENT_NODES + \ |
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119 NUMBER_OF_ASCIICLIENT_NODES) |
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120 |
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121 #define NUMBER_OF_CLIENT_REQTS (NUMBER_OF_TCPCLIENT_REQTS + \ |
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122 NUMBER_OF_RTUCLIENT_REQTS + \ |
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123 NUMBER_OF_ASCIICLIENT_REQTS) |
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124 |
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125 |
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126 /*initialization following all parameters given by user in application*/ |
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127 |
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128 static client_node_t client_nodes[NUMBER_OF_CLIENT_NODES] = { |
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129 %(client_nodes_params)s |
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130 }; |
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131 |
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132 |
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133 static client_request_t client_requests[NUMBER_OF_CLIENT_REQTS] = { |
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134 %(client_req_params)s |
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135 }; |
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136 |
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137 |
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138 static server_node_t server_nodes[NUMBER_OF_SERVER_NODES] = { |
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139 %(server_nodes_params)s |
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140 } |
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141 ; |
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142 |
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143 /*******************/ |
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144 /*located variables*/ |
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145 /*******************/ |
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146 |
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147 %(loc_vars)s |
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148 |