自从上次安装了EBox4300的开发环境以后,就忙着其他事情,没有来得及做点应用。今天做了一个串口通信的应用,发上来和大家分享一下。 串口是设备调试中经...
本文转载自串口通信Serial Port类C++实现 串口介绍 串口叫做串行接口,也称串行通信接口,按电气标准及协议来分包括RS-232、RS-422、RS485、USB等。...USB:Universal Serial Bus(通用串行总线) 简称USB,是目前电脑上应用较广泛的接口规范,由Intel、Microsoft、Compaq、IBM、NEC、Northern Telcom...http://www.codeguru.com/Cpp/I-N/network/serialcommunications/article.php/c2483 CSerialPort v1.03 - Serial...Port Wrapper http://www.codeproject.com/KB/system/cserialport.aspx Serial library for C++ http://www.codeproject.com.../KB/system/serial.aspx Serial Port to Network Interface http://www.codeproject.com/KB/IP/Serial_Port_Network_Acces.aspx
ser = serial.Serial('/dev/ttyTX0', 9600, timeout=1) while True: data = ser.read(100) print repr...(data) 1、读串口步骤: 实例化 --> 设置 (当然可以一步完成) 2、serial详解 2.1 serial类原型 ser = serial.Serial( port=None, ...is specified an unconfigured # an closed serial port object is created baudrate=9600, # baud...读完之后就返回) timeout = x: x秒后超时 (float allowed) 2.2 Serial方法: open() # open port close(...) # close port immediately setBaudrate(baudrate) # change baud rate on an open port
Arduino编程之Serial.println()和Serial.print() Arduino 的输出基本就用两个函数 print 和 println,区别在于后者比前者多了回车换行 Serial.println...这个函数所取得的值与 Serial.print()一样。 Serial.println(b) 以十进制形式输出b的ASCII编码值,并同时跟随一个回车和换行符。...Serial.println(str)如果 str是一个字符串或数组,输出整个 str的 ASCII编码字符串。 Serial.println()仅输出一个回车和换行符。...); // 以ASCII编码十进制浮点值输出 Serial.print(analogValue, DEC); // 以ASCII编码十进制浮点值输出 Serial.println(analogValue..., HEX); // 以ASCII编码十六进制输出 Serial.println(analogValue, OCT); // 以ASCII编码八进制输出 Serial.println(analogValue
IOCTL_SERIAL_GET_CHARS概述IOCTL_SERIAL_GET_CHARS是一个IOCTL命令代码,它用于获取串口通讯接口的参数,包括:fCtsFlow:表示是否使用CTS流控制。...SERIAL_CHARS结构体当驱动程序收到IOCTL_SERIAL_GET_CHARS命令时,应当将该串口的相关参数填入SERIAL_CHARS结构体中,再将该结构体返回给应用程序。...SERIAL_CHARS结构体定义如下:typedef struct _SERIAL_CHARS { UCHAR EofChar; UCHAR ErrorChar; UCHAR BreakChar...使用IOCTL_SERIAL_GET_CHARS在应用程序中,可以通过DeviceIoControl函数发送IOCTL_SERIAL_GET_CHARS命令。...以下是一个示例代码,展示了如何使用IOCTL_SERIAL_GET_CHARS来获取串口的特殊字符参数:SERIAL_CHARS serialChars;DWORD bytesReturned;BOOL
正文 Serial.available() > 0 Serial.available() 的意思是:返回串口缓冲区中当前剩余的字符个数。...serial port, sets data rate to 9600 bps } void loop() { // send data only when you receive data...9600); // opens serial port, sets data rate to 9600 bps } void loop() { // send data only when you...; // say what you got: Serial.print("I received: "); Serial.println(incomingByte,BIN); Serial.println...Arduino编程之Serial.println()和Serial.print() Arduino 的输出基本就用两个函数 print 和 println,区别在于后者比前者多了回车换行 Serial.println
------Impaladbeeswax_port21000Port on which Beeswax client requests are served by Impala Daemon 被 impala-shell...参见 Configuring Impala to Work with ODBC 了解详细信息hs2_port21050Port on which HiveServer2 client requests...Port--state_store_subscriber_port23000InternalInternal use only....Service Port--state_store_subscriber_port23020InternalInternal use only....Service Port--catalog_service_port26000InternalInternal use only.
PHP_HOST_PORT=9000 PHP_HYPERF1_PORT=9501 PHP_HYPERF2_PORT=9502 PHP_HYPERF3_PORT=9503 // docker-compose.yml...- "${PHP_HOST_PORT}:9000" - "${PHP_HYPERF1_PORT}:9501" - "${PHP_HYPERF2_PORT}:9502"...- "${PHP_HYPERF3_PORT}:9503" extra_hosts: - "www.site1.com:172.17.0.1" volumes: -
TCP端口53 (TCP Port 53) One of the used DNS port is TCP Port 53....UDP端口53 (UDP Port 53) The most known and popular usage protocol of DNS is UDP 53....Most DNS servers use UDP 53 port which provides simplicity and less resource usage....So DNSSEC uses TCP 53 port for communication. DNSSEC提供安全的DNS事务,该事务将确保域名到IP转换的安全方式。...Understanding DNS Port 53 with Examples What is DNS? DNS Meaning Exploring EDNS with Examples
http://www.iana.org/assignments/port-numbers PORT NUMBERS (last updated 2009-10-28) The port numbers...1993/tcp cisco SNMP TCP port snmp-tcp-port 1993/udp cisco SNMP TCP port stun-port 1994.../tcp cisco serial tunnel port stun-port 1994/udp cisco serial tunnel port perf-port 1995...iwserver 2166/udp iwserver # Fred Surr raw-serial...2167/tcp Raw Async Serial Link raw-serial 2167/udp Raw Async Serial Link #
IOCTL_SERIAL_GET_HANDFLOW概述IOCTL_SERIAL_GET_HANDFLOW是一个IOCTL命令代码,它用于获取串口通讯接口的流控制参数。...SERIAL_HANDFLOW结构体当驱动程序收到IOCTL_SERIAL_GET_HANDFLOW命令时,应当将相关流控制参数填入SERIAL_HANDFLOW结构体中,再将该结构体返回给应用程序。...SERIAL_HANDFLOW结构体定义如下:typedef struct _SERIAL_HANDFLOW { ULONG ControlHandShake; ULONG FlowReplace...使用IOCTL_SERIAL_GET_HANDFLOW在应用程序中,可以通过DeviceIoControl函数发送IOCTL_SERIAL_GET_HANDFLOW命令。...以下是一个示例代码,展示了如何使用IOCTL_SERIAL_GET_HANDFLOW来获取串口的流控制参数:SERIAL_HANDFLOW serialHandFlow;DWORD bytesReturned
在串口编程中,IOCTL_SERIAL_SET_LINE_CONTROL、IOCTL_SERIAL_GET_LINE_CONTROL、GetCommState和SetCommState是四个重要的函数,...IOCTL_SERIAL_SET_LINE_CONTROL和IOCTL_SERIAL_GET_LINE_CONTROLIOCTL_SERIAL_SET_LINE_CONTROL和IOCTL_SERIAL_GET_LINE_CONTROL...1.1 SERIAL_LINE_CONTROL结构体这两个IOCTL命令都使用SERIAL_LINE_CONTROL结构体来传递数据。...;} SERIAL_LINE_CONTROL, *PSERIAL_LINE_CONTROL;StopBits:传输或接收的每个字符末尾使用的停止位数。...1.2 使用IOCTL_SERIAL_SET_LINE_CONTROL和IOCTL_SERIAL_GET_LINE_CONTROL在驱动程序中,可以使用DeviceIoControl函数来发送这些IOCTL
序 本文主要研究一下flink taskmanager的data.port与rpc.port Deploying+Tasks+Happens+during+initial+deployment+and...} final String portRangeDefinition = configuration.getString(TaskManagerOptions.RPC_PORT...configuration); } //...... } TaskManagerRunner提供了createRpcService方法,其从配置文件读取taskmanager.rpc.port...则取的是server.getLocalAddress().getPort() TaskManagerRunner提供了createRpcService方法,其从配置文件读取taskmanager.rpc.port...,然后调用AkkaRpcServiceUtils.createRpcService来创建RpcService doc taskmanager-data-port taskmanager-rpc-port
可以选择的配置方式有两种, 1、routed Port,指在cisco switch中端口模式下运行no switchport后的端口类型,在routed port下可直接配置IP地址。...不同之处有以下两处: 1、svi 得到mac地址和routed port不一样,在同一网段中可以观察到。...其中routed port使用了物理接口的mac地址,svi使用的mac地址设备mac地址+1。 2、svi配置下e0/0仍然工作L2,routed port下的e0/0完全在L3工作。...work as a normal router port....在实际组网环境中,选择SVI+access Port或routed port主要取决于连接的另一端。 通常另一端如果是PC,那么使用svi作为pc的网关会方便些。
IOCTL_SERIAL_INTERNAL_CANCEL_WAIT_WAKE正是用于这一目的的IOCTL命令码。...本文将深入探讨IOCTL_SERIAL_INTERNAL_CANCEL_WAIT_WAKE的工作原理及其在串口编程中的应用。1....IOCTL_SERIAL_INTERNAL_CANCEL_WAIT_WAKE的作用IOCTL_SERIAL_INTERNAL_CANCEL_WAIT_WAKE是Windows内核为串口设备定义的一个内部...如何使用IOCTL_SERIAL_INTERNAL_CANCEL_WAIT_WAKE由于IOCTL_SERIAL_INTERNAL_CANCEL_WAIT_WAKE是一个内部命令码,它没有直接对应的Win32...注意事项在使用IOCTL_SERIAL_INTERNAL_CANCEL_WAIT_WAKE时,需要确保设备驱动程序正确处理了IRP的取消请求。
Serial Comm Use P/Invoke to Develop a .NET Base Class Library for Serial Device Communications John Hind...These days, you interact with serial modems via software layers such as TAPI or PPP....(For RS232 port specs, see the sidebar "Hardware Specs".)...to open any port, accepting the fact that this may fail....The memory must, however, be deallocated when the port is closed: if (ptrUWO !
FAILED TO START *************************** Description: The Tomcat connector configured to listen on port...The port may already be in use or the connector may be misconfigured....Action: Verify the connector's configuration, identify and stop any process that's listening on port...18081, or configure this application to listen on another port.
struct uart_port 一个串口芯片上往往有多个串行端口(serial ports,对应于一个物理上的串口),这些串行端口具备相同的操作机制。...unsigned int (*serial_in)(struct uart_port *, int): 函数指针,用于从串口设备中读取数据。...void (*serial_out)(struct uart_port *, int, int): 函数指针,用于向串口设备中写入数据。...void (*config_port)(struct uart_port *, int); int (*verify_port)(struct uart_port *, struct serial_struct...它使用match结构体和serial_match_port函数来匹配子设备*/ tty_dev = device_find_child(uport->dev, &match, serial_match_port
举例如 iphone6 手机,屏幕分辨率为 1334×750,浏览器分辨率为 667×375,它们的单位都是像素,但是很明显在 mobile-web 开发中,我...
https://www.cnblogs.com/poloyy/category/1870863.html 作用 列出指定的容器的端口映射 语法格式 docker port CONTAINER [PRIVATE_PORT...[/PROTO]] PRIVATE_PORT:指定查询的端口 PROTO:协议类型(tcp、udp) 实际栗子 列出容器所有端口的映射 docker port gitlab ?...列出容器指定端口的映射 docker port gitlab 80 列出容器指定端口和协议的映射 docker port gitlab 80/tcp ?
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