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 Re: progamming PCF8574 Kategorie: Programmierung Basic (von Achim - 23.11.2004 11:07)
 Als Antwort auf Re: progamming PCF8574 von rien an harmelen - 23.11.2004 9:25
> > > Please, who can help me to program a  PCF8574. What is wrong in the program given below.

> I think there is someting wrong because by pressing the switch P3 the stepper does not turn, as I have in mind.

This is part of your program from your original posting:

#loop
'reading ON/OFF of P3
gosub start
datenW=65
gosub I2C_write
gosub I2C_read
gosub Noack
gosub Stop
if datenR=&B00001111 then gosub motor else goto loop
goto loop


Which value does datenR have, when P3 is not pressed?
Which value does datenR have, when P3 is pressed?

Bye
 Achim

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Bisherige Antworten:

Re: progamming PCF8574 (von rien an harmelen - 23.11.2004 17:33)
    Re: progamming PCF8574 (von Achim - 23.11.2004 18:04)