func spin(stepsPerMinute int, invert bool) {
var pauseTime float64
pauseTime = float64(60) / float64(stepsPerMinute)
pfd := piface.NewPiFaceDigital(spi.DEFAULT_HARDWARE_ADDR, spi.DEFAULT_BUS, spi.DEFAULT_CHIP)
// initializes pifacedigital board
err := pfd.InitBoard()
if err != nil {
fmt.Printf("Error on init board: %s", err)
return
}
if invert {
pfd.Relays[0].SetValue(0)
pfd.Relays[1].SetValue(1)
} else {
pfd.Relays[0].SetValue(1)
pfd.Relays[1].SetValue(0)
}
pfd.OutputPins[2].SetValue(0)
running = true
for running {
pfd.OutputPins[2].Toggle()
time.Sleep(time.Second / 10)
pfd.OutputPins[2].Toggle()
if pfd.InputPins[0].Value() == 1 {
pfd.Relays[0].Toggle()
pfd.Relays[1].Toggle()
}
time.Sleep(time.Duration(float64(time.Second) * pauseTime))
}
}
func testMotor() {
// creates a new pifacedigital instance
pfd := piface.NewPiFaceDigital(spi.DEFAULT_HARDWARE_ADDR, spi.DEFAULT_BUS, spi.DEFAULT_CHIP)
// initializes pifacedigital board
err := pfd.InitBoard()
if err != nil {
fmt.Printf("Error on init board: %s", err)
return
}
pfd.OutputPins[0].Toggle()
time.Sleep(time.Second / 10)
pfd.OutputPins[0].Toggle()
}
func main() {
// creates a new pifacedigital instance
pfd := piface.NewPiFaceDigital(spi.DEFAULT_HARDWARE_ADDR, spi.DEFAULT_BUS, spi.DEFAULT_CHIP)
// initializes pifacedigital board
err := pfd.InitBoard()
if err != nil {
fmt.Printf("Error on init board: %s", err)
return
}
// blink time!!
fmt.Println("Blinking led 7 each second")
for {
pfd.Leds[7].Toggle()
time.Sleep(time.Second)
}
}