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machine: support Pin.Get() function when the pin is configured as output

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To my surprise, this is supported on all the devices I could test so
therefore it makes sense to change the API to allow this.
This commit is contained in:
Ayke van Laethem
2021-10-20 17:19:43 +02:00
committed by Ron Evans
parent c8719f8d14
commit 15d3f5f609
9 changed files with 17 additions and 10 deletions
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src/machine/machine_atsamd21e18.go
+2 -1
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@@ -58,7 +58,8 @@ func (p Pin) Set(high bool) {
}
}
// Get returns the current value of a GPIO pin.
// Get returns the current value of a GPIO pin when configured as an input or as
// an output.
func (p Pin) Get() bool {
return (sam.PORT.IN0.Get()>>uint8(p))&1 > 0
}