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sending data to serial port

maria

I am interfacing an led with via serial port. I have set up the serial port already.

I have a display with these specification parameters: baudrate:2400 data:8 bits end code:1bit

I am trying to display the test code which comes in the following format:
"10"+"01H"+"0FFH"

I tried printf but didn't work:
printf("10"+"0x01"+"0x0FF");
Any suggestions??

10x

Parents
  • 0 in reply to Andy Neil

    You might like to try getting something like this:
    www.hhdsoftware.com/.../serial-monitor-lite.html
    (many similar products are available - including free ones)

    That will let you monitor exactly what the PC software is sending to the display.
    That should help you to understand the protocol...

    You seem to have two problems here:

    1. Learning the 'C' programming language;

    2. Understanding the display protocol.

    I suggest that you don't try to tackle them both at the same time - lay one aside until you've mastered the other.

Reply
  • 0 in reply to Andy Neil

    You might like to try getting something like this:
    www.hhdsoftware.com/.../serial-monitor-lite.html
    (many similar products are available - including free ones)

    That will let you monitor exactly what the PC software is sending to the display.
    That should help you to understand the protocol...

    You seem to have two problems here:

    1. Learning the 'C' programming language;

    2. Understanding the display protocol.

    I suggest that you don't try to tackle them both at the same time - lay one aside until you've mastered the other.

Children
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