Files
drivers/tinygo/pin.go
T
2025-09-22 21:23:53 +02:00

40 lines
894 B
Go

//go:build baremetal && tinygo
package tinygo // import "tinygo.org/x/drivers/tinygo"
import "machine"
// tinygo.Pin wraps machine.Pin to ensure correct pin mode is set when Get or Set methods are called.
type Pin struct {
pin machine.Pin
mode machine.PinMode
modeSet bool
inputMode machine.PinMode
}
func New(pin machine.Pin) *Pin {
return &Pin{pin: pin, inputMode: machine.PinInput}
}
func NewWithInputMode(pin machine.Pin, inputMode machine.PinMode) *Pin {
return &Pin{pin: pin, inputMode: inputMode}
}
func (p *Pin) Get() bool {
if !p.modeSet || p.mode != p.inputMode {
p.pin.Configure(machine.PinConfig{Mode: p.inputMode})
p.mode = machine.PinInput
}
return p.pin.Get()
}
func (p *Pin) Set(high bool) {
if !p.modeSet || p.mode != machine.PinOutput {
p.pin.Configure(machine.PinConfig{Mode: machine.PinOutput})
p.mode = machine.PinOutput
}
p.pin.Set(high)
}