PIC模拟异步串行通讯UART。用TMR0实现定时查询。任何带中断的PIC上都可以实现。可用此法扩展多个串口。...

ICAN协议例程，CAN转换成RS232 ICAN协议例程，CAN转换成RS232-ICAN agreement routines, CAN convert RS232ICAN routines Agreement, CAN convert RS232

在VC++6.0中用MSComm控件编程，可以实现串口接收数据和发送数据，数据分别显示在接收框和发送框中。 -used in VC 6.0 MSComm programming, can achieve serial receiving data and sending data Data were displayed at the receiving box and this box.

vc++6.0写的串口操作的类-vc 6.0 write operation of the serial category

通过手机串口发送短信的VB控件代码,在NOKIA等手机上已经通过测试.

LED 发送字模系统-LED Printer System

采用win32API用C++BUILDER实现的串口通信，可实现与一般通信设备的AT命令交互- Uses win32API with C the BUILDER realization string mouth correspondence, may realize and the general communication facility AT order alternately

串口控制程序一般分为查询和中断两者方式。查询方式适用于简单的应用，简单可靠，但是缺点是需要占用处理器资源，在发送或者接收数据的时候不能做其它的事情，处理器利用率低。中断方式下，在发送或者接受数据的时候处理器还可以做其它的工作，效率较高。-Serial control procedures will generally be divided into two way query and interruption. Query applied to simple applications, simple and reliable, but the drawback is the need to occupy processor resources to send or receive data at the time should not make other things, the processor utilization rate. Interrupt mode, the send or accept data when the processor can do other work, more efficient.

rs485通信协议的规定，定义了串行通信协议中传输的信息内容及使用格式，可以参考-rs485 communication protocol requirements, defines the serial communication protocol to transmit the information content and the use of format

通过串口发送at指令 等待返回值判断当前的网络状况以及服务商等有关信息 用与gprs的通信-sent through the serial port at the value orders waiting to return to judge the current state of network service providers and other relevant information in communications with EDGE

Project how to make jtag rs232 programmator