mirror of
https://github.com/espressif/esp-idf.git
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d0b9829eef
Add TCP port files to provide Modbus TCP interface for communication Add freemodbus add tcp support for common master/slave iface and tcp example based on socket API The communication between master and slave checked for each example serial_master, serial_slave (use ModbusPoll TCP) update tcp example according netif changes, fix ci issues update TCP slave implementation update example_test.py to to set IP through stdin update API documentation event bit instead of semahore to lock communication resource update default options and master/slave port files Closes https://github.com/espressif/esp-idf/issues/858 Closes IDF-452
42 lines
1.4 KiB
C
42 lines
1.4 KiB
C
/* Copyright 2018 Espressif Systems (Shanghai) PTE LTD
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "esp_err.h" // for esp_err_t
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#include "mbc_master.h" // for master interface define
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#include "esp_modbus_master.h" // for public slave defines
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#include "mbc_serial_master.h" // for public interface defines
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/**
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* Initialization of Modbus master serial
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*/
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esp_err_t mbc_master_init(mb_port_type_t port_type, void** handler)
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{
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void* port_handler = NULL;
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esp_err_t error = ESP_ERR_NOT_SUPPORTED;
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switch(port_type)
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{
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case MB_PORT_SERIAL_MASTER:
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error = mbc_serial_master_create(&port_handler);
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break;
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default:
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return ESP_ERR_NOT_SUPPORTED;
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}
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if ((port_handler != NULL) && (error == ESP_OK)) {
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mbc_master_init_iface(port_handler);
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*handler = port_handler;
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}
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return error;
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}
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