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https://github.com/emqx/neuron.git
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hxy7yx
85 lines
3.0 KiB
C
85 lines
3.0 KiB
C
/**
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* NEURON IIoT System for Industry 4.0
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* Copyright (C) 2020-2022 EMQ Technologies Co., Ltd All rights reserved.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 3 of the License, or (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,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser 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 program; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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**/
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#ifndef _NEU_M_PLUGIN_MODBUS_REQ_H_
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#define _NEU_M_PLUGIN_MODBUS_REQ_H_
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#include <neuron.h>
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#include "modbus_stack.h"
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struct neu_plugin {
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neu_plugin_common_t common;
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neu_conn_t * conn;
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modbus_stack_t *stack;
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void * plugin_group_data;
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uint16_t cmd_idx;
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neu_event_io_t *tcp_server_io;
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bool is_server;
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bool is_serial;
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int client_fd;
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neu_events_t * events;
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modbus_protocol_e protocol;
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modbus_endianess endianess;
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modbus_endianess_64 endianess_64;
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modbus_address_base address_base;
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uint16_t interval;
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uint16_t retry_interval;
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uint16_t max_retries;
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uint16_t check_header;
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bool degradation;
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uint16_t degrade_cycle;
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uint16_t degrade_time;
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bool backup;
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bool current_backup;
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bool first_attempt_done;
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neu_conn_param_t param;
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neu_conn_param_t param_backup;
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};
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void modbus_conn_connected(void *data, int fd);
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void modbus_conn_disconnected(void *data, int fd);
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void modbus_tcp_server_listen(void *data, int fd);
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void modbus_tcp_server_stop(void *data, int fd);
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int modbus_tcp_server_io_callback(enum neu_event_io_type type, int fd,
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void *usr_data);
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int modbus_group_timer(neu_plugin_t *plugin, neu_plugin_group_t *group,
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uint16_t max_byte);
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int modbus_send_msg(void *ctx, uint16_t n_byte, uint8_t *bytes);
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int modbus_value_handle(void *ctx, uint8_t slave_id, uint16_t n_byte,
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uint8_t *bytes, int error, void *trace);
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int modbus_write(neu_plugin_t *plugin, void *req, neu_datatag_t *tag,
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neu_value_u value, bool response);
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int modbus_write_tag(neu_plugin_t *plugin, void *req, neu_datatag_t *tag,
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neu_value_u value);
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int modbus_write_tags(neu_plugin_t *plugin, void *req, UT_array *tags);
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int modbus_write_resp(void *ctx, void *req, int error);
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int modbus_test_read_tag(neu_plugin_t *plugin, void *req, neu_datatag_t tag);
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int modbus_value_handle_test(neu_plugin_t *plugin, void *req,
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modbus_point_t *point, uint16_t n_byte,
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uint8_t *bytes);
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#endif
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