esp-idf/components/freemodbus/common/esp_modbus_master_tcp.c

/* Copyright 2018 Espressif Systems (Shanghai) PTE LTD
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#include "esp_err.h"                // for esp_err_t
#include "esp_modbus_master.h"      // for public interface defines
#include "mbc_tcp_master.h"         // for public interface defines

/**
 * Initialization of Modbus TCP Master controller interface
 */
esp_err_t mbc_master_init_tcp(void** handler)
{
    void* port_handler = NULL;
    esp_err_t error = mbc_tcp_master_create(&port_handler);

    if ((port_handler != NULL) && (error == ESP_OK)) {
        mbc_master_init_iface(port_handler);
        *handler = port_handler;
    }
    return  error;
}