Yep. That's right. It is ERROR_OPERATION_ABORTED. But why ? Any other application works as expected with this hardware.
And i confirm that 0x01040000000131ca and 0x0104024c494c06 are correct request and response. 2016-05-31 15:05 GMT+05:00 Denis Shienkov <[email protected]>: > Seems, this: > > > qt.modbus: (RTU server) QSerialPort error: > QSerialPort::SerialPortError(ResourceError) "Операция ввода/вывода была > прервана из-за завершения потока команд или по запросу приложения." > > It is an 'ERROR_OPERATION_ABORTED', that can be caused by ::CancelIo() > (e.g. when the serial port closes) or by a HW problems. > > BR, > > Denis > > 31.05.2016 12:23, Dmitry Shapovalov пишет: > > Thanks for reply Ralf. Email more preferable for me. > > Can you tell me what type of adapter you are using? Which version of > qtserialport are you using? Maybe my problem is related to the type of > serial port adapter. I tried use arduino with different usb-uart > chips(ch430 and pl2303), but unsuccessfully. > > Here is output of qt modbus master example > > Запускается > C:\Qt\Examples\Qt-5.6\qtserialbus\serialbus\modbus\build-master-Desktop_Qt_5_6_0_MinGW_32bit-Debug\debug\modbusmaster.exe... > qt.modbus: (RTU client) Sent Serial PDU: 0x0400000001 > qt.modbus.lowlevel: (RTU client) Sent Serial ADU: 0x01040000000131ca > qt.modbus: (RTU client) Send failed: 0x0400000001 > qt.modbus: (RTU server) QSerialPort error: > QSerialPort::SerialPortError(ResourceError) "Операция ввода/вывода была > прервана из-за завершения потока команд или по запросу приложения." > qt.modbus.lowlevel: (RTU client) Response buffer: "01" > qt.modbus: (RTU client) Modbus ADU not complete > qt.modbus.lowlevel: (RTU client) Response buffer: "0104024c494c06" > qt.modbus: (RTU client) Received ADU: "0104024c494c06" > qt.modbus: (RTU client) Cannot match response with open request, ignoring > > Look like it actually sends request, but qtserialport reports error, so > qtserialbus(modbus) ignores response. > > > 2016-05-31 11:59 GMT+05:00 Ralf Nolden <[email protected]>: > >> Am Dienstag, 31. Mai 2016, 09:34:19 schrieb Dmitry Shapovalov: >> > Hello, >> > can someone confirm that modbus over serial port is working on windows ? >> I have tested modbus over serial port on windows with two Schneider >> Electric >> PLCs, a Twido and a Premium, both with TCP and RS485. We could evaluate >> your >> problems on IRC if you want. >> >> >> > all my experiments led me to the thought that it is absolutely broken. >> > i am using arduno as a modbus device. i tested it with qmodbus and >> modbus >> > poll. works great. but when i try to use modbus examples from >> > qt(qtserialbus/examples/serialbus/modbus/master), look like it can not >> send >> > request. >> > i tried release(5.6) and git version of qtserialbus and qtserialport >> > modules with no luck. >> > >> > i am using windows 7 on virtualbox. >> > arduino modbus library from here >> > https://github.com/smarmengol/Modbus-Master-Slave-for-Arduino >> > arduino sketch http://pastebin.com/FHW3B7TX >> > >> > it's me or it's really broken ? >> >> -- >> Kind regards, >> >> Ralf Nolden >> >> _______________________________________________ >> Development mailing list >> [email protected] >> http://lists.qt-project.org/mailman/listinfo/development >> > > > > -- > -- > With Best Regards > Dmitry Shapovalov > > > _______________________________________________ > Development mailing > [email protected]http://lists.qt-project.org/mailman/listinfo/development > > > > _______________________________________________ > Development mailing list > [email protected] > http://lists.qt-project.org/mailman/listinfo/development > > -- -- With Best Regards Dmitry Shapovalov
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