The serial port operation includes the Java upper computer embedded C subordinate machine

aEnvironment1.1 Keil UVision4

http://pan.baidu.com/s/1o6A331w

1.2 STC

Http://pan.baidu.com/s/1jGpCUTC

1.3 MyEclipse 8.5

Http://pan.baidu.com/s/1jGABEaM

1.4 jar package to be imported RXTX

Http://pan.baidu.com/s/1ntwsvRr

First copy the RxtxParallel.dll and RxtxSerial.dll to the bin directory of the JDK directory.

Then copy the Rxtxcomm to the Jdk\jre\lib\ext directory.

Finally, you will import the jar package in your Java project Rxtxcomm

1.5 at89c51 Single chip microcomputer 1.6 18B20 temperature sensor 1.7 DS1302 Clock Controller 1.8 1602 LCD screentwosingle chip microcomputer slave machine

Create a new folder on the desktop as your embedded workspace

Create a new project in Keil

Select the folder you just created on the desktop

Select Atmel Series Processors

Select At89c51

Copy the C file you have written to the new process you just made on the desktop, and if you don't write it, create a new soucefile.c file.

Switch to Keil, double-click the procedure name to import the C file into the process

Modifying process properties

Click Target to change 24 to 12

Click Output to tick the crate hex

If you import a C file without code, rewrite it and click on the following three buttons when you are done. If you import a well-written c ask Price, you can simply click

Open the Desktop folder again, found that there are many more files, including hex file

Now you can burn the hex file to the microcontroller.

I'm using a STC here.

Click EXE file

Modify your MCU COM port baud rate, and then click "Open File" to select your hex file. Then download, the program is burned to a single-chip microcomputer.

This time prompts you to re-SCM or open the switch button of the microcontroller.

If the hint is not found or is occupied, first see if the COM port is correct, and then see if there are other software that occupies the COM port. It's best to turn off all the other software.

Let's look at the results of the operation in MyEclipse.

threePcMachine Upper Machine

How to accept the serial port information, I choose the language is Java, because this language is more powerful and flexible.

The IDE I chose is myeclipse 8.5 In addition to the KAR package RXTX because the Comm package only supports Win32 bit

The simple operation is to create a new Java project, import the jar package, and create a new Java file under SRC. Also pay attention to the use of RXTX. The main thing is to copy the two DLL files under the JDK bin, copy the jar package to ext, and finally import the jar into your project. All the code and jars are downloaded in the link below. Below I give the use of RXTX.

FourSource Code

Http://pan.baidu.com/s/1pJDPtPL

It contains the process files and RXTX packages of the upper and lower computers.

For specific use, please refer to Readme.tex

The serial port operation includes the Java upper computer embedded C subordinate machine