mirror of
https://github.com/espressif/esp-idf.git
synced 2024-10-05 20:47:46 -04:00
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
|
|
*
|
|
* 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 "mbc_master.h" // for master interface define
|
|
#include "esp_modbus_master.h" // for public slave defines
|
|
#include "mbc_serial_master.h" // for public interface defines
|
|
|
|
/**
|
|
* Initialization of Modbus master serial
|
|
*/
|
|
esp_err_t mbc_master_init(mb_port_type_t port_type, void** handler)
|
|
{
|
|
void* port_handler = NULL;
|
|
esp_err_t error = ESP_ERR_NOT_SUPPORTED;
|
|
switch(port_type)
|
|
{
|
|
case MB_PORT_SERIAL_MASTER:
|
|
error = mbc_serial_master_create(&port_handler);
|
|
break;
|
|
default:
|
|
return ESP_ERR_NOT_SUPPORTED;
|
|
}
|
|
if ((port_handler != NULL) && (error == ESP_OK)) {
|
|
mbc_master_init_iface(port_handler);
|
|
*handler = port_handler;
|
|
}
|
|
return error;
|
|
}
|