printf("modbus_tcp_master create error.\n"); return -MODBUS_RT_ERROR; } /*指定slave自身的ip和端口号*/ if(MODBUS_RT_EOK != (ret = modbus_tcp_set_net(ts, NULL, 502, SOCK_STREAM))) { printf("modbus_tcp_set_net error,
Tcp_client整体流程: 1、编译官方tcp_client例程(需要配置下面会详细介绍),烧录到ESP32-S3开发板。 2、使用TCP调试助手创建TCP Server(电脑必须与开发板在同一路由器下) 3、重启ESP32,创建TCP Client,开始连接电脑创建的服务器 4、相互发送数据 一、Tcp_client例程分析: 1.初始化NVS、WiFi连接上WiFi后创建一个tc...
- (host) during boot if bin file is present on flash drive upload it and reboot, - (host) when app is launched use flash drive MSC to store logs, - (slave) when master is detected with additional circuit, set device in CDC mode. I would prefer MODBUS via USB but it is preserved ...
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# Modbus configuration # CONFIG_FMB_COMM_MODE_TCP_EN=y CONFIG_FMB_TCP_PORT_DEFAULT=502 CONFIG_FMB_TCP_PORT_MAX_CONN=5 CONFIG_FMB_TCP_CONNECTION_TOUT_SEC=20 CONFIG_FMB_COMM_MODE_RTU_EN=y CONFIG_FMB_COMM_MODE_ASCII_EN=y CONFIG_FMB_MASTER_TIMEOUT_MS_RESPOND=150 CONFIG_FMB...
esp-idf:master分支 官方idf环境搭建文档: https://docs.espressif.com/projects/esp-idf/zh_CN/latest/esp32/get-started/index.html#get-started-set-up-env 硬件需求: Esp32-s3开发板 ESP32-S3 TCP介绍 传输控制协议(TCP,Transmission Control Protocol)是一种面向连接的、可靠的、基于字节流的传输层通信协议...
# Modbus configuration # CONFIG_FMB_COMM_MODE_TCP_EN=y CONFIG_FMB_TCP_PORT_DEFAULT=502 CONFIG_FMB_TCP_PORT_MAX_CONN=5 CONFIG_FMB_TCP_CONNECTION_TOUT_SEC=20 CONFIG_FMB_COMM_MODE_RTU_EN=y CONFIG_FMB_COMM_MODE_ASCII_EN=y CONFIG_FMB_MASTER_TIMEOUT_MS_RESPOND=150 CONFIG_FMB...
# Modbus configuration # CONFIG_FMB_COMM_MODE_TCP_EN=y CONFIG_FMB_TCP_PORT_DEFAULT=502 CONFIG_FMB_TCP_PORT_MAX_CONN=5 CONFIG_FMB_TCP_CONNECTION_TOUT_SEC=20 CONFIG_FMB_COMM_MODE_RTU_EN=y CONFIG_FMB_COMM_MODE_ASCII_EN=y CONFIG_FMB_MASTER_TIMEOUT_MS_RESPOND=150 CONFIG_FMB...