Serial Port Flow Control problem

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(GetCommModemStatus(serial.commHandle , &test)
//test is a type of DWORD

This function is returning value 48 even if RTS line is on or off ?? What does this value means .

Posted 15-Aug-13 23:44pm

asadali.awan

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[no name] 16-Aug-13 5:46am

http://msdn.microsoft.com/en-us/library/windows/desktop/aa363258%28v=vs.85%29.aspx

asadali.awan 16-Aug-13 5:51am

I have seen this msdn documentation but 48 in hex is 00x30 which is not mentioned in the documentation that what does this mean

asadali.awan 16-Aug-13 5:54am

Any other suggestion or help??

[no name] 16-Aug-13 6:38am

If you had read the documentation, you would have known that it means that your DSR and CTS are both on.

asadali.awan 16-Aug-13 15:07pm

CTS always remains on ,even if RTS is being cleared. Why CTS is not being low .

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