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fivdi avatar fivdi commented on May 20, 2024

So writing 0 to a GPIO sets it to 1 and writing a 1 sets it to 0? 0 would read as 1 and 1 would read as 0?

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thisboyiscrazy avatar thisboyiscrazy commented on May 20, 2024

Exactly.

On Sun, May 1, 2016 at 10:51 AM Brian Cooke [email protected]
wrote:

So writing 0 to a GPIO sets it to 1 and writing a 1 sets it to 0? 0 would
read as 1 and 1 would read as 0?


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fivdi avatar fivdi commented on May 20, 2024

This should also be possible for inputs. 0 would read as 1 and 1 would read as 0. rising edge interrupts would become falling edge interrupts and falling edge interrupts would become rising edge interrupts.

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fivdi avatar fivdi commented on May 20, 2024

This is a good idea. I'll add it.

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thisboyiscrazy avatar thisboyiscrazy commented on May 20, 2024

Excellent Thanks

On Tue, May 3, 2016 at 6:32 PM Brian Cooke [email protected] wrote:

This is a good idea. I'll add it.


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fivdi avatar fivdi commented on May 20, 2024

onoff v1.1.0 was just published on npm. The Gpio constructor has an new option called activeLow that can be used to get the desired functionality:

var Gpio = require('onoff').Gpio,
  input = new Gpio(7, 'in', {activeLow: true}),
  output = new Gpio(8, 'out', {activeLow: true});

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thisboyiscrazy avatar thisboyiscrazy commented on May 20, 2024

Thanks.

On Wed, May 4, 2016, 10:28 AM Brian Cooke [email protected] wrote:

onoff v1.1.0 was just published on npm. The Gpio constructor has an new
option called activeLow that can be used to get the desired functionality:

var Gpio = require('onoff').Gpio,
input = new Gpio(7, 'in', {activeLow: true}),
output = new Gpio(8, 'out', {activeLow: true});


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#47 (comment)

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fivdi avatar fivdi commented on May 20, 2024

You're welcome :)
Have fun with onoff.

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