这是一个实际的工程中所用的源程序，完整版的。我用了一个月的时间才完成的。对一个码头的控制系统的通讯进行破解后，重新设计其控制界面。和好几个单元进行串口通讯。-This is a practical engineering used in the source code, full version. I spent a month to complete. Of a terminal control system of communication after the break, re-desig

it connects at89s52 with hyper terminal using rs232 serial communication and triggers output of controller pins with the specified alphabets on keyboard.

A Complete Serial Port Communication terminal. It has several options including parity bit, baud rate, stop bit, change com port and many more.