func adafruitDCMotorRunner(a *i2c.AdafruitMotorHatDriver, dcMotor int) (err error) {
log.Printf("DC Motor Run Loop...\n")
// set the speed:
var speed int32 = 255 // 255 = full speed!
if err = a.SetDCMotorSpeed(dcMotor, speed); err != nil {
return
}
// run FORWARD
if err = a.RunDCMotor(dcMotor, i2c.AdafruitForward); err != nil {
return
}
// Sleep and RELEASE
<-time.After(2000 * time.Millisecond)
if err = a.RunDCMotor(dcMotor, i2c.AdafruitRelease); err != nil {
return
}
// run BACKWARD
if err = a.RunDCMotor(dcMotor, i2c.AdafruitBackward); err != nil {
return
}
// Sleep and RELEASE
<-time.After(2000 * time.Millisecond)
if err = a.RunDCMotor(dcMotor, i2c.AdafruitRelease); err != nil {
return
}
return
}
