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how can i program the COM2 of the reader

changuel khemaies

hello,
with Com1 there isn't any problem.
with Com2 there is a problem.

SERIAL_PARAM Com1Cfg;   
BYTE res ;					Com1Cfg.Port = G_COM1; 
	Com1Cfg.Speed = 38400;  
	Com1Cfg.CharSize = 8;   
	Com1Cfg.Parity = FALSE;  
	Com1Cfg.Cwt= 0xFF; 
	Com1Cfg.Bwt = 0xFF ; 
res = SerialOpen(&Com1Cfg, &ucPortId); 
 read( ....
....
write(....
.....
when i replace G_COM1 par G_COM2
there isn't any reaction with the reader
thanks

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  • 0 in reply to changuel khemaies

    "can you resolve me this problem"

    Not without your target, and a full copy of all your soure code!

    You will need to adopt standard debugging techniques to narrow down the problem!

    Is data getting into the UART's Tx/Rx buffer?
    Are the interrupts working?
    Are all the definitions correct?

    Have you tried stepping through your functions to look for the difference between COM1 and COM2

Reply
  • 0 in reply to changuel khemaies

    "can you resolve me this problem"

    Not without your target, and a full copy of all your soure code!

    You will need to adopt standard debugging techniques to narrow down the problem!

    Is data getting into the UART's Tx/Rx buffer?
    Are the interrupts working?
    Are all the definitions correct?

    Have you tried stepping through your functions to look for the difference between COM1 and COM2

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