author | dporopat <denis.poropat@smarteh.si> |
Tue, 10 Apr 2018 10:44:46 +0200 | |
branch | #2486 |
changeset 2197 | bec80ff35282 |
parent 1913 | 338e2f51b685 |
child 2011 | 64268e87613e |
permissions | -rw-r--r-- |
1912
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/* File generated by Beremiz (PlugGenerate_C method of Modbus plugin) */ |
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|
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/* |
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* Copyright (c) 2016 Mario de Sousa (msousa@fe.up.pt) |
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* |
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* This file is part of the Modbus library for Beremiz and matiec. |
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* |
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* This Modbus library is free software: you can redistribute it and/or modify |
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* it under the terms of the GNU Lesser General Public License as published by |
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* the Free Software Foundation, either version 3 of the License, or |
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* (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, but |
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* WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser |
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* General Public License for more details. |
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* |
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* You should have received a copy of the GNU Lesser General Public License |
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* along with this Modbus library. If not, see <http://www.gnu.org/licenses/>. |
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* |
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* This code is made available on the understanding that it will not be |
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* used in safety-critical situations without a full and competent review. |
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*/ |
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|
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|
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#include <stdio.h> |
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#include <string.h> /* required for memcpy() */ |
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#include "mb_slave_and_master.h" |
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#include "MB_%(locstr)s.h" |
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|
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#define MAX_MODBUS_ERROR_CODE 11 |
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static const char *modbus_error_messages[MAX_MODBUS_ERROR_CODE+1] = { |
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/* 0 */ "", /* un-used -> no error! */ |
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/* 1 */ "illegal/unsuported function", |
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/* 2 */ "illegal data address", |
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/* 3 */ "illegal data value", |
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/* 4 */ "slave device failure", |
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/* 5 */ "acknowledge -> slave intends to reply later", |
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/* 6 */ "slave device busy", |
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/* 7 */ "negative acknowledge", |
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/* 8 */ "memory parity error", |
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/* 9 */ "", /* undefined by Modbus */ |
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/* 10*/ "gateway path unavalilable", |
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/* 11*/ "gateway target device failed to respond" |
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}; |
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|
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/* Execute a modbus client transaction/request */ |
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static int __execute_mb_request(int request_id){ |
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switch (client_requests[request_id].mb_function){ |
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|
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case 1: /* read coils */ |
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return read_output_bits(client_requests[request_id].slave_id, |
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client_requests[request_id].address, |
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client_requests[request_id].count, |
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client_requests[request_id].coms_buffer, |
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(int) client_requests[request_id].count, |
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client_nodes[client_requests[request_id].client_node_id].mb_nd, |
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client_requests[request_id].retries, |
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&(client_requests[request_id].error_code), |
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&(client_requests[request_id].resp_timeout), |
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&(client_requests[request_id].coms_buf_mutex)); |
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|
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case 2: /* read discrete inputs */ |
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return read_input_bits( client_requests[request_id].slave_id, |
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client_requests[request_id].address, |
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client_requests[request_id].count, |
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client_requests[request_id].coms_buffer, |
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(int) client_requests[request_id].count, |
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client_nodes[client_requests[request_id].client_node_id].mb_nd, |
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client_requests[request_id].retries, |
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&(client_requests[request_id].error_code), |
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&(client_requests[request_id].resp_timeout), |
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&(client_requests[request_id].coms_buf_mutex)); |
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|
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case 3: /* read holding registers */ |
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return read_output_words(client_requests[request_id].slave_id, |
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client_requests[request_id].address, |
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client_requests[request_id].count, |
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client_requests[request_id].coms_buffer, |
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(int) client_requests[request_id].count, |
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client_nodes[client_requests[request_id].client_node_id].mb_nd, |
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client_requests[request_id].retries, |
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&(client_requests[request_id].error_code), |
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&(client_requests[request_id].resp_timeout), |
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&(client_requests[request_id].coms_buf_mutex)); |
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|
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case 4: /* read input registers */ |
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return read_input_words(client_requests[request_id].slave_id, |
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client_requests[request_id].address, |
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client_requests[request_id].count, |
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client_requests[request_id].coms_buffer, |
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(int) client_requests[request_id].count, |
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client_nodes[client_requests[request_id].client_node_id].mb_nd, |
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client_requests[request_id].retries, |
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&(client_requests[request_id].error_code), |
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&(client_requests[request_id].resp_timeout), |
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&(client_requests[request_id].coms_buf_mutex)); |
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|
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case 5: /* write single coil */ |
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return write_output_bit(client_requests[request_id].slave_id, |
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client_requests[request_id].address, |
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client_requests[request_id].coms_buffer[0], |
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client_nodes[client_requests[request_id].client_node_id].mb_nd, |
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client_requests[request_id].retries, |
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&(client_requests[request_id].error_code), |
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&(client_requests[request_id].resp_timeout), |
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&(client_requests[request_id].coms_buf_mutex)); |
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|
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case 6: /* write single register */ |
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return write_output_word(client_requests[request_id].slave_id, |
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client_requests[request_id].address, |
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client_requests[request_id].coms_buffer[0], |
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client_nodes[client_requests[request_id].client_node_id].mb_nd, |
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client_requests[request_id].retries, |
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&(client_requests[request_id].error_code), |
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&(client_requests[request_id].resp_timeout), |
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&(client_requests[request_id].coms_buf_mutex)); |
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|
120 |
|
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121 |
case 7: break; /* function not yet supported */ |
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122 |
case 8: break; /* function not yet supported */ |
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|
123 |
case 9: break; /* function not yet supported */ |
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124 |
case 10: break; /* function not yet supported */ |
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|
125 |
case 11: break; /* function not yet supported */ |
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|
126 |
case 12: break; /* function not yet supported */ |
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127 |
case 13: break; /* function not yet supported */ |
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128 |
case 14: break; /* function not yet supported */ |
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129 |
|
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130 |
case 15: /* write multiple coils */ |
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131 |
return write_output_bits(client_requests[request_id].slave_id, |
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132 |
client_requests[request_id].address, |
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client_requests[request_id].count, |
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134 |
client_requests[request_id].coms_buffer, |
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client_nodes[client_requests[request_id].client_node_id].mb_nd, |
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client_requests[request_id].retries, |
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&(client_requests[request_id].error_code), |
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|
138 |
&(client_requests[request_id].resp_timeout), |
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|
139 |
&(client_requests[request_id].coms_buf_mutex)); |
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|
140 |
|
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141 |
case 16: /* write multiple registers */ |
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return write_output_words(client_requests[request_id].slave_id, |
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143 |
client_requests[request_id].address, |
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|
144 |
client_requests[request_id].count, |
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|
145 |
client_requests[request_id].coms_buffer, |
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|
146 |
client_nodes[client_requests[request_id].client_node_id].mb_nd, |
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|
147 |
client_requests[request_id].retries, |
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|
148 |
&(client_requests[request_id].error_code), |
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|
149 |
&(client_requests[request_id].resp_timeout), |
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|
150 |
&(client_requests[request_id].coms_buf_mutex)); |
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|
151 |
|
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152 |
default: break; /* should never occur, if file generation is correct */ |
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153 |
} |
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154 |
|
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155 |
fprintf(stderr, "Modbus plugin: Modbus function %%d not supported\n", request_id); /* should never occur, if file generation is correct */ |
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|
156 |
return -1; |
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|
157 |
} |
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|
158 |
|
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|
159 |
|
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|
160 |
|
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|
161 |
/* pack bits from unpacked_data to packed_data */ |
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162 |
static inline int __pack_bits(u16 *unpacked_data, u16 start_addr, u16 bit_count, u8 *packed_data) { |
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163 |
u8 bit; |
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164 |
u16 byte, coils_processed; |
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|
165 |
|
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|
166 |
if ((0 == bit_count) || (65535-start_addr < bit_count-1)) |
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|
167 |
return -ERR_ILLEGAL_DATA_ADDRESS; /* ERR_ILLEGAL_DATA_ADDRESS defined in mb_util.h */ |
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|
168 |
|
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169 |
for( byte = 0, coils_processed = 0; coils_processed < bit_count; byte++) { |
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170 |
packed_data[byte] = 0; |
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171 |
for( bit = 0x01; (bit & 0xFF) && (coils_processed < bit_count); bit <<= 1, coils_processed++ ) { |
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172 |
if(unpacked_data[start_addr + coils_processed]) |
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173 |
packed_data[byte] |= bit; /* set bit */ |
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|
174 |
else packed_data[byte] &= ~bit; /* reset bit */ |
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175 |
} |
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176 |
} |
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177 |
return 0; |
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|
178 |
} |
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|
179 |
|
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|
180 |
|
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|
181 |
/* unpack bits from packed_data to unpacked_data */ |
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182 |
static inline int __unpack_bits(u16 *unpacked_data, u16 start_addr, u16 bit_count, u8 *packed_data) { |
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183 |
u8 temp, bit; |
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|
184 |
u16 byte, coils_processed; |
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|
185 |
|
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|
186 |
if ((0 == bit_count) || (65535-start_addr < bit_count-1)) |
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|
187 |
return -ERR_ILLEGAL_DATA_ADDRESS; /* ERR_ILLEGAL_DATA_ADDRESS defined in mb_util.h */ |
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|
188 |
|
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|
189 |
for(byte = 0, coils_processed = 0; coils_processed < bit_count; byte++) { |
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|
190 |
temp = packed_data[byte] ; |
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|
191 |
for(bit = 0x01; (bit & 0xff) && (coils_processed < bit_count); bit <<= 1, coils_processed++) { |
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|
192 |
unpacked_data[start_addr + coils_processed] = (temp & bit)?1:0; |
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|
193 |
} |
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|
194 |
} |
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|
195 |
return 0; |
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|
196 |
} |
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|
197 |
|
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|
198 |
|
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|
199 |
static int __read_inbits (void *mem_map, u16 start_addr, u16 bit_count, u8 *data_bytes) |
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200 |
{return __pack_bits(((server_mem_t *)mem_map)->ro_bits, start_addr, bit_count, data_bytes);} |
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|
201 |
static int __read_outbits (void *mem_map, u16 start_addr, u16 bit_count, u8 *data_bytes) |
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|
202 |
{return __pack_bits(((server_mem_t *)mem_map)->rw_bits, start_addr, bit_count, data_bytes);} |
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|
203 |
static int __write_outbits (void *mem_map, u16 start_addr, u16 bit_count, u8 *data_bytes) |
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|
204 |
{return __unpack_bits(((server_mem_t *)mem_map)->rw_bits, start_addr, bit_count, data_bytes); } |
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|
205 |
|
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|
206 |
|
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|
207 |
|
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|
208 |
static int __read_inwords (void *mem_map, u16 start_addr, u16 word_count, u16 *data_words) { |
1913
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|
209 |
|
1912
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|
210 |
if ((start_addr + word_count) > MEM_AREA_SIZE) |
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|
211 |
return -ERR_ILLEGAL_DATA_ADDRESS; /* ERR_ILLEGAL_DATA_ADDRESS defined in mb_util.h */ |
1913
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|
212 |
|
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|
213 |
/* use memcpy() because loop with pointers (u16 *) caused alignment problems */ |
1912
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|
214 |
memcpy(/* dest */ (void *)data_words, |
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|
215 |
/* src */ (void *)&(((server_mem_t *)mem_map)->ro_words[start_addr]), |
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|
216 |
/* size */ word_count * 2); |
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|
217 |
return 0; |
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|
218 |
} |
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|
219 |
|
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220 |
|
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221 |
|
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|
222 |
static int __read_outwords (void *mem_map, u16 start_addr, u16 word_count, u16 *data_words) { |
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|
223 |
|
1912
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|
224 |
if ((start_addr + word_count) > MEM_AREA_SIZE) |
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|
225 |
return -ERR_ILLEGAL_DATA_ADDRESS; /* ERR_ILLEGAL_DATA_ADDRESS defined in mb_util.h */ |
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|
226 |
|
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|
227 |
/* use memcpy() because loop with pointers (u16 *) caused alignment problems */ |
1912
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228 |
memcpy(/* dest */ (void *)data_words, |
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|
229 |
/* src */ (void *)&(((server_mem_t *)mem_map)->rw_words[start_addr]), |
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|
230 |
/* size */ word_count * 2); |
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|
231 |
return 0; |
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|
232 |
} |
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|
233 |
|
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234 |
|
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|
235 |
|
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|
236 |
|
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|
237 |
static int __write_outwords(void *mem_map, u16 start_addr, u16 word_count, u16 *data_words) { |
1913
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|
238 |
|
1912
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239 |
if ((start_addr + word_count) > MEM_AREA_SIZE) |
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|
240 |
return -ERR_ILLEGAL_DATA_ADDRESS; /* ERR_ILLEGAL_DATA_ADDRESS defined in mb_util.h */ |
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|
241 |
|
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|
242 |
/* WARNING: The data returned in the data_words[] array is not guaranteed to be 16 bit aligned. |
8391c11477f4
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|
243 |
* It is not therefore safe to cast it to an u16 data type. |
8391c11477f4
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|
244 |
* The following code cannot be used. memcpy() is used instead. |
8391c11477f4
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|
245 |
*/ |
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|
246 |
/* |
8391c11477f4
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|
247 |
for (count = 0; count < word_count ; count++) |
8391c11477f4
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|
248 |
((server_mem_t *)mem_map)->rw_words[count + start_addr] = data_words[count]; |
8391c11477f4
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|
249 |
*/ |
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|
250 |
memcpy(/* dest */ (void *)&(((server_mem_t *)mem_map)->rw_words[start_addr]), |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
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|
251 |
/* src */ (void *)data_words, |
8391c11477f4
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|
252 |
/* size */ word_count * 2); |
8391c11477f4
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|
253 |
return 0; |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
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|
254 |
} |
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|
255 |
|
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changeset
|
256 |
|
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|
257 |
|
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|
258 |
|
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|
259 |
#include <pthread.h> |
8391c11477f4
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|
260 |
|
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|
261 |
static void *__mb_server_thread(void *_server_node) { |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
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|
262 |
server_node_t *server_node = _server_node; |
8391c11477f4
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|
263 |
mb_slave_callback_t callbacks = { |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
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|
264 |
&__read_inbits, |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
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|
265 |
&__read_outbits, |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
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|
266 |
&__write_outbits, |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
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diff
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|
267 |
&__read_inwords, |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
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|
268 |
&__read_outwords, |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
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|
269 |
&__write_outwords, |
8391c11477f4
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|
270 |
(void *)&(server_node->mem_area) |
8391c11477f4
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|
271 |
}; |
8391c11477f4
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|
272 |
|
8391c11477f4
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|
273 |
// Enable thread cancelation. Enabled is default, but set it anyway to be safe. |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
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|
274 |
pthread_setcancelstate(PTHREAD_CANCEL_ENABLE, NULL); |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
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changeset
|
275 |
|
8391c11477f4
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|
276 |
// mb_slave_run() should never return! |
8391c11477f4
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|
277 |
mb_slave_run(server_node->mb_nd /* nd */, callbacks, server_node->slave_id); |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
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|
278 |
fprintf(stderr, "Modbus plugin: Modbus server for node %%s died unexpectedly!\n", server_node->location); /* should never occur */ |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
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|
279 |
return NULL; |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
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changeset
|
280 |
} |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
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changeset
|
281 |
|
8391c11477f4
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changeset
|
282 |
|
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
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diff
changeset
|
283 |
|
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
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diff
changeset
|
284 |
static void *__mb_client_thread(void *_index) { |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
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|
285 |
int client_node_id = (char *)_index - (char *)NULL; // Use pointer arithmetic (more portable than cast) |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
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diff
changeset
|
286 |
struct timespec next_cycle; |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
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diff
changeset
|
287 |
int period_sec = client_nodes[client_node_id].comm_period / 1000; /* comm_period is in ms */ |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
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changeset
|
288 |
int period_nsec = (client_nodes[client_node_id].comm_period %%1000)*1000000; /* comm_period is in ms */ |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
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diff
changeset
|
289 |
|
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
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1909
diff
changeset
|
290 |
// Enable thread cancelation. Enabled is default, but set it anyway to be safe. |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
291 |
pthread_setcancelstate(PTHREAD_CANCEL_ENABLE, NULL); |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
292 |
|
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
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diff
changeset
|
293 |
// get the current time |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
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diff
changeset
|
294 |
clock_gettime(CLOCK_MONOTONIC, &next_cycle); |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
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diff
changeset
|
295 |
|
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
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diff
changeset
|
296 |
// loop the communication with the client |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
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diff
changeset
|
297 |
while (1) { |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
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diff
changeset
|
298 |
/* |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
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diff
changeset
|
299 |
struct timespec cur_time; |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
300 |
clock_gettime(CLOCK_MONOTONIC, &cur_time); |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
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diff
changeset
|
301 |
fprintf(stderr, "Modbus client thread - new cycle (%%ld:%%ld)!\n", cur_time.tv_sec, cur_time.tv_nsec); |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
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diff
changeset
|
302 |
*/ |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
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1909
diff
changeset
|
303 |
int req; |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
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1909
diff
changeset
|
304 |
for (req=0; req < NUMBER_OF_CLIENT_REQTS; req ++){ |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
305 |
/*just do the requests belonging to the client */ |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
306 |
if (client_requests[req].client_node_id != client_node_id) |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
307 |
continue; |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
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1909
diff
changeset
|
308 |
int res_tmp = __execute_mb_request(req); |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
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diff
changeset
|
309 |
switch (res_tmp) { |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
310 |
case PORT_FAILURE: { |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
311 |
if (res_tmp != client_nodes[client_node_id].prev_error) |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
312 |
fprintf(stderr, "Modbus plugin: Error connecting Modbus client %%s to remote server.\n", client_nodes[client_node_id].location); |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
313 |
client_nodes[client_node_id].prev_error = res_tmp; |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
314 |
break; |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
315 |
} |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
316 |
case INVALID_FRAME: { |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
317 |
if ((res_tmp != client_requests[req].prev_error) && (0 == client_nodes[client_node_id].prev_error)) |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
318 |
fprintf(stderr, "Modbus plugin: Modbus client request configured at location %%s was unsuccesful. Server/slave returned an invalid/corrupted frame.\n", client_requests[req].location); |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
319 |
client_requests[req].prev_error = res_tmp; |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
320 |
break; |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
321 |
} |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
322 |
case TIMEOUT: { |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
323 |
if ((res_tmp != client_requests[req].prev_error) && (0 == client_nodes[client_node_id].prev_error)) |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
324 |
fprintf(stderr, "Modbus plugin: Modbus client request configured at location %%s timed out waiting for reply from server.\n", client_requests[req].location); |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
325 |
client_requests[req].prev_error = res_tmp; |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
326 |
break; |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
327 |
} |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
328 |
case MODBUS_ERROR: { |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
329 |
if (client_requests[req].prev_error != client_requests[req].error_code) { |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
330 |
fprintf(stderr, "Modbus plugin: Modbus client request configured at location %%s was unsuccesful. Server/slave returned error code 0x%%2x", client_requests[req].location, client_requests[req].error_code); |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
331 |
if (client_requests[req].error_code <= MAX_MODBUS_ERROR_CODE ) { |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
332 |
fprintf(stderr, "(%%s)", modbus_error_messages[client_requests[req].error_code]); |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
333 |
fprintf(stderr, ".\n"); |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
334 |
} |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
335 |
} |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
336 |
client_requests[req].prev_error = client_requests[req].error_code; |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
337 |
break; |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
338 |
} |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
339 |
default: { |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
340 |
if ((res_tmp >= 0) && (client_nodes[client_node_id].prev_error != 0)) { |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
341 |
fprintf(stderr, "Modbus plugin: Modbus client %%s has reconnected to server/slave.\n", client_nodes[client_node_id].location); |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
342 |
} |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
343 |
if ((res_tmp >= 0) && (client_requests[req] .prev_error != 0)) { |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
344 |
fprintf(stderr, "Modbus plugin: Modbus client request configured at location %%s has succesfully resumed comunication.\n", client_requests[req].location); |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
345 |
} |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
346 |
client_nodes[client_node_id].prev_error = 0; |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
347 |
client_requests[req] .prev_error = 0; |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
348 |
break; |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
349 |
} |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
350 |
} |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
351 |
} |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
352 |
// Determine absolute time instant for starting the next cycle |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
353 |
// struct timespec prev_cycle; |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
354 |
// prev_cycle = next_cycle; |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
355 |
next_cycle.tv_sec += period_sec; |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
356 |
next_cycle.tv_nsec += period_nsec; |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
357 |
if (next_cycle.tv_nsec >= 1000000000) { |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
358 |
next_cycle.tv_sec ++; |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
359 |
next_cycle.tv_nsec -= 1000000000; |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
360 |
} |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
361 |
/* It probably does not make sense to check for overflow of timer. |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
362 |
* Even in 32 bit systems this will take at least 68 years since the computer booted |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
363 |
* (remember, we are using CLOCK_MONOTONIC, which should start counting from 0 |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
364 |
* every time the system boots). On 64 bit systems, it will take over |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
365 |
* 10^11 years to overflow. |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
366 |
*/ |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
367 |
/* |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
368 |
if (next_cycle.tv_sec) < prev_cycle.tv_sec) { |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
369 |
// we will lose some precision by reading the time again, |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
370 |
// but it is better than the alternative... |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
371 |
clock_gettime(CLOCK_MONOTONIC, &next_cycle); |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
372 |
next_cycle.tv_sec += period_sec; |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
373 |
next_cycle.tv_nsec += period_nsec; |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
374 |
if (next_cycle.tv_nsec >= 1000000000) { |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
375 |
next_cycle.tv_sec ++; |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
376 |
next_cycle.tv_nsec -= 1000000000; |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
377 |
} |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
378 |
} |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
379 |
*/ |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
380 |
clock_nanosleep(CLOCK_MONOTONIC, TIMER_ABSTIME, &next_cycle, NULL); |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
381 |
} |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
382 |
|
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
383 |
// humour the compiler. |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
384 |
return NULL; |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
385 |
} |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
386 |
|
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
387 |
|
1913
338e2f51b685
modbus extension code cleanup, from smarteh's patch
Edouard Tisserant
parents:
1912
diff
changeset
|
388 |
int __cleanup_%(locstr)s (); |
1912
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
389 |
int __init_%(locstr)s (int argc, char **argv){ |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
390 |
int index; |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
391 |
|
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
392 |
for (index=0; index < NUMBER_OF_CLIENT_NODES;index++) |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
393 |
client_nodes[index].mb_nd = -1; |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
394 |
for (index=0; index < NUMBER_OF_SERVER_NODES;index++) |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
395 |
// mb_nd with negative numbers indicate how far it has been initialised (or not) |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
396 |
// -2 --> no modbus node created; no thread created |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
397 |
// -1 --> modbus node created!; no thread created |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
398 |
// >=0 --> modbus node created!; thread created! |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
399 |
server_nodes[index].mb_nd = -2; |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
400 |
|
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
401 |
/* modbus library init */ |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
402 |
/* Note that TOTAL_xxxNODE_COUNT are the nodes required by _ALL_ the instances of the modbus |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
403 |
* extension currently in the user's project. This file (MB_xx.c) is handling only one instance, |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
404 |
* but must initialize the library for all instances. Only the first call to mb_slave_and_master_init() |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
405 |
* will result in memory being allocated. All subsequent calls (by other MB_xx,c files) will be ignored |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
406 |
* by the mb_slave_and_master_init() funtion, as long as they are called with the same arguments. |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
407 |
*/ |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
408 |
if (mb_slave_and_master_init(TOTAL_TCPNODE_COUNT, TOTAL_RTUNODE_COUNT, TOTAL_ASCNODE_COUNT) <0) { |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
409 |
fprintf(stderr, "Modbus plugin: Error starting modbus library\n"); |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
410 |
// return imediately. Do NOT goto error_exit, as we did not get to |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
411 |
// start the modbus library! |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
412 |
return -1; |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
413 |
} |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
414 |
|
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
415 |
/* init the mutex for each client request */ |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
416 |
/* Must be done _before_ launching the client threads!! */ |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
417 |
for (index=0; index < NUMBER_OF_CLIENT_REQTS; index ++){ |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
418 |
if (pthread_mutex_init(&(client_requests[index].coms_buf_mutex), NULL)) { |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
419 |
fprintf(stderr, "Modbus plugin: Error initializing request for modbus client node %%s\n", client_nodes[client_requests[index].client_node_id].location); |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
420 |
goto error_exit; |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
421 |
} |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
422 |
} |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
423 |
|
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
424 |
/* init each client connection to remote modbus server, and launch thread */ |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
425 |
/* NOTE: All client_nodes[].init_state are initialised to 0 in the code |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
426 |
* generated by the modbus plugin |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
427 |
*/ |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
428 |
for (index=0; index < NUMBER_OF_CLIENT_NODES;index++){ |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
429 |
/* establish client connection */ |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
430 |
client_nodes[index].mb_nd = mb_master_connect (client_nodes[index].node_address); |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
431 |
if (client_nodes[index].mb_nd < 0){ |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
432 |
fprintf(stderr, "Modbus plugin: Error creating modbus client node %%s\n", client_nodes[index].location); |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
433 |
goto error_exit; |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
434 |
} |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
435 |
client_nodes[index].init_state = 1; // we have created the node |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
436 |
|
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
437 |
/* launch a thread to handle this client node */ |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
438 |
{ |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
439 |
int res = 0; |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
440 |
pthread_attr_t attr; |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
441 |
res |= pthread_attr_init(&attr); |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
442 |
res |= pthread_create(&(client_nodes[index].thread_id), &attr, &__mb_client_thread, (void *)((char *)NULL + index)); |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
443 |
if (res != 0) { |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
444 |
fprintf(stderr, "Modbus plugin: Error starting modbus client thread for node %%s\n", client_nodes[index].location); |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
445 |
goto error_exit; |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
446 |
} |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
447 |
} |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
448 |
client_nodes[index].init_state = 2; // we have created the node and a thread |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
449 |
} |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
450 |
|
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
451 |
/* init each local server */ |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
452 |
/* NOTE: All server_nodes[].init_state are initialised to 0 in the code |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
453 |
* generated by the modbus plugin |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
454 |
*/ |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
455 |
for (index=0; index < NUMBER_OF_SERVER_NODES;index++){ |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
456 |
/* create the modbus server */ |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
457 |
server_nodes[index].mb_nd = mb_slave_new (server_nodes[index].node_address); |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
458 |
if (server_nodes[index].mb_nd < 0){ |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
459 |
fprintf(stderr, "Modbus plugin: Error creating modbus server node %%s\n", server_nodes[index].location); |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
460 |
goto error_exit; |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
461 |
} |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
462 |
server_nodes[index].init_state = 1; // we have created the node |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
463 |
|
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
464 |
/* launch a thread to handle this server node */ |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
465 |
{ |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
466 |
int res = 0; |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
467 |
pthread_attr_t attr; |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
468 |
res |= pthread_attr_init(&attr); |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
469 |
res |= pthread_create(&(server_nodes[index].thread_id), &attr, &__mb_server_thread, (void *)&(server_nodes[index])); |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
470 |
if (res != 0) { |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
471 |
fprintf(stderr, "Modbus plugin: Error starting modbus server thread for node %%s\n", server_nodes[index].location); |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
472 |
goto error_exit; |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
473 |
} |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
474 |
} |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
475 |
server_nodes[index].init_state = 2; // we have created the node and thread |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
476 |
} |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
477 |
|
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
478 |
return 0; |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
479 |
|
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
480 |
error_exit: |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
481 |
__cleanup_%(locstr)s (); |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
482 |
return -1; |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
483 |
} |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
484 |
|
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
485 |
|
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
486 |
|
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
487 |
|
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
488 |
|
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
489 |
void __publish_%(locstr)s (){ |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
490 |
int index; |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
491 |
|
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
492 |
for (index=0; index < NUMBER_OF_CLIENT_REQTS; index ++){ |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
493 |
/*just do the output requests */ |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
494 |
if (client_requests[index].req_type == req_output){ |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
495 |
pthread_mutex_lock(&(client_requests[index].coms_buf_mutex)); |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
496 |
// copy from plcv_buffer to coms_buffer |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
497 |
memcpy((void *)client_requests[index].coms_buffer /* destination */, |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
498 |
(void *)client_requests[index].plcv_buffer /* source */, |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
499 |
REQ_BUF_SIZE * sizeof(u16) /* size in bytes */); |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
500 |
pthread_mutex_unlock(&(client_requests[index].coms_buf_mutex)); |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
501 |
} |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
502 |
} |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
503 |
} |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
504 |
|
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
505 |
|
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
506 |
|
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
507 |
|
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
508 |
|
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
509 |
void __retrieve_%(locstr)s (){ |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
510 |
int index; |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
511 |
|
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
512 |
for (index=0; index < NUMBER_OF_CLIENT_REQTS; index ++){ |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
513 |
/*just do the input requests */ |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
514 |
if (client_requests[index].req_type == req_input){ |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
515 |
pthread_mutex_lock(&(client_requests[index].coms_buf_mutex)); |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
516 |
// copy from coms_buffer to plcv_buffer |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
517 |
memcpy((void *)client_requests[index].plcv_buffer /* destination */, |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
518 |
(void *)client_requests[index].coms_buffer /* source */, |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
519 |
REQ_BUF_SIZE * sizeof(u16) /* size in bytes */); |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
520 |
pthread_mutex_unlock(&(client_requests[index].coms_buf_mutex)); |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
521 |
} |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
522 |
} |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
523 |
} |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
524 |
|
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
525 |
|
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
526 |
|
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
527 |
|
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
528 |
|
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
529 |
int __cleanup_%(locstr)s (){ |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
530 |
int index, close; |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
531 |
int res = 0; |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
532 |
|
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
533 |
/* kill thread and close connections of each modbus client node */ |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
534 |
for (index=0; index < NUMBER_OF_CLIENT_NODES; index++) { |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
535 |
close = 0; |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
536 |
if (client_nodes[index].init_state >= 2) { |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
537 |
// thread was launched, so we try to cancel it! |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
538 |
close = pthread_cancel(client_nodes[index].thread_id); |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
539 |
close |= pthread_join (client_nodes[index].thread_id, NULL); |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
540 |
if (close < 0) |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
541 |
fprintf(stderr, "Modbus plugin: Error closing thread for modbus client %%s\n", client_nodes[index].location); |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
542 |
} |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
543 |
res |= close; |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
544 |
|
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
545 |
close = 0; |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
546 |
if (client_nodes[index].init_state >= 1) { |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
547 |
// modbus client node was created, so we try to close it! |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
548 |
close = mb_master_close (client_nodes[index].mb_nd); |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
549 |
if (close < 0){ |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
550 |
fprintf(stderr, "Modbus plugin: Error closing modbus client node %%s\n", client_nodes[index].location); |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
551 |
// We try to shut down as much as possible, so we do not return noW! |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
552 |
} |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
553 |
client_nodes[index].mb_nd = -1; |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
554 |
} |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
555 |
res |= close; |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
556 |
client_nodes[index].init_state = 0; |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
557 |
} |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
558 |
|
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
559 |
/* kill thread and close connections of each modbus server node */ |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
560 |
for (index=0; index < NUMBER_OF_SERVER_NODES; index++) { |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
561 |
close = 0; |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
562 |
if (server_nodes[index].init_state >= 2) { |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
563 |
// thread was launched, so we try to cancel it! |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
564 |
close = pthread_cancel(server_nodes[index].thread_id); |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
565 |
close |= pthread_join (server_nodes[index].thread_id, NULL); |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
566 |
if (close < 0) |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
567 |
fprintf(stderr, "Modbus plugin: Error closing thread for modbus server %%s\n", server_nodes[index].location); |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
568 |
} |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
569 |
res |= close; |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
570 |
|
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
571 |
close = 0; |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
572 |
if (server_nodes[index].init_state >= 1) { |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
573 |
// modbus server node was created, so we try to close it! |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
574 |
close = mb_slave_close (server_nodes[index].mb_nd); |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
575 |
if (close < 0) { |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
576 |
fprintf(stderr, "Modbus plugin: Error closing node for modbus server %%s (%%d)\n", server_nodes[index].location, server_nodes[index].mb_nd); |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
577 |
// We try to shut down as much as possible, so we do not return noW! |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
578 |
} |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
579 |
server_nodes[index].mb_nd = -1; |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
580 |
} |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
581 |
res |= close; |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
582 |
server_nodes[index].init_state = 0; |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
583 |
} |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
584 |
|
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
585 |
/* destroy the mutex of each client request */ |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
586 |
for (index=0; index < NUMBER_OF_CLIENT_REQTS; index ++) { |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
587 |
if (pthread_mutex_destroy(&(client_requests[index].coms_buf_mutex))) { |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
588 |
fprintf(stderr, "Modbus plugin: Error destroying request for modbus client node %%s\n", client_nodes[client_requests[index].client_node_id].location); |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
589 |
// We try to shut down as much as possible, so we do not return noW! |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
590 |
res |= -1; |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
591 |
} |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
592 |
} |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
593 |
|
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
594 |
/* modbus library close */ |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
595 |
//fprintf(stderr, "Shutting down modbus library...\n"); |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
596 |
if (mb_slave_and_master_done()<0) { |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
597 |
fprintf(stderr, "Modbus plugin: Error shutting down modbus library\n"); |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
598 |
res |= -1; |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
599 |
} |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
600 |
|
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
601 |
return res; |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
602 |
} |
8391c11477f4
Merged Mario's modbus branch. Fixed line endings.
Edouard Tisserant
parents:
1909
diff
changeset
|
603 |