Description: java interface running on the pc , write.c set to the linux system nodes, which communicate through the serial port with pc. Then run test on pc, enter the interface ttyUSB0, point open button, then read button. Then use ./Write operation on the nodes can write to the serial and you can receive information on the interface .
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File list (Check if you may need any files):
test_onlyread
.............\test.java
.............\write.c