串口助手，调试串口通信的时候可用语测试通信是否正常-Serial assistant when debugging serial communication language tests can be normal communications

电表645规约调试器及自己做的E程序 dl645.e 调试器为ProtocolDebugger.exe-Statute of the debugger 645 meter and do their own procedures dl645.e E debugger to ProtocolDebugger.exe