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Added some comments about removing the call to pullUpDnControl()

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in pinMode ()
This commit is contained in:
Gordon Henderson 2012-08-18 12:04:46 +01:00
parent 83214ad8c7
commit c213e051c6
1 changed files with 8 additions and 2 deletions
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10
wiringPi/wiringPi.c
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@ -401,9 +401,15 @@ void pinModeGpio (int pin, int mode)
}
// When we change mode of any pin, we remove the pull up/downs
// delayMicroseconds (300) ;
// Or we used to... Hm. Commented out now because for some wieird reason,
// it seems to block subsequent attempts to set the pull up/downs and I've
// not quite gotten to the bottom of why this happens
// The down-side is that the pull up/downs are rememberd in the SoC between
// power cycles, so it's going to be a good idea to explicitly set them in
// any new code.
//
// pullUpDnControl (pin, PUD_OFF) ;
}
void pinModeWPi (int pin, int mode)