Serial Port Object
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Hello all. I have a serial port and made an object. my question is this. I have two variables which actually are two pins on the serial port: DataTernimalReady RequestToSend
Now I want to know if I set either of these to 'on' will they output voltage? Because I actually wan to use a RS232 to send voltage to a circuit. Anyone have any suggestions?
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Walter Roberson
2012 年 2 月 29 日
You will have to ensure that hardware and software flow control are set off for the serial port. The voltages will be off until the port is fopen()'d.
A useful discussion of the hardware end of using RS232 for power is at http://www.analogservices.com/rs232.htm
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