Posted: Tue Jul 31, 2007 1:19 pm Post subject: Serial comunication
Dear Friends,
I have a device already programmed and working that use ATMEGA16.
I must replicate a firmware of this device.
This device have 2 connectors: programming connector and communication connector.
Connecting by communication connector, by "serial MAX232 cable" and "VB6 program", I have successfull test the "old" command. I can read data and write command by Hyperterminal.
Now I have download Luciano Loopback Program, have programmed the same device with using the same cable and same communication connector and no loopback happened.
For view Luciano program work well I must invert the wire into the "serial MAX232 cable"
Can someone explane me how communicate with this device by the "serial MAX232 cable" without inverted wire??
Communicaton Connector RX and TX are connect to:
RX = PortD.0 (pin9)
TX = PortD.1 (pin10)
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