func main() {
flag.Parse()
if err := embd.InitGPIO(); err != nil {
panic(err)
}
defer embd.CloseGPIO()
pin, err := embd.NewDigitalPin(7)
if err != nil {
panic(err)
}
defer pin.Close()
fluidSensor := watersensor.New(pin)
for {
wet, err := fluidSensor.IsWet()
if err != nil {
panic(err)
}
if wet {
glog.Info("bot is dry")
} else {
glog.Info("bot is Wet")
}
time.Sleep(500 * time.Millisecond)
}
}
func (d *BMP085) calibrate() error {
d.cmu.RLock()
if d.calibrated {
d.cmu.RUnlock()
return nil
}
d.cmu.RUnlock()
d.cmu.Lock()
defer d.cmu.Unlock()
readInt16 := func(reg byte) (int16, error) {
v, err := d.Bus.ReadWordFromReg(address, reg)
if err != nil {
return 0, err
}
return int16(v), nil
}
readUInt16 := func(reg byte) (uint16, error) {
v, err := d.Bus.ReadWordFromReg(address, reg)
if err != nil {
return 0, err
}
return uint16(v), nil
}
var err error
d.ac1, err = readInt16(calAc1)
if err != nil {
return err
}
d.ac2, err = readInt16(calAc2)
if err != nil {
return err
}
d.ac3, err = readInt16(calAc3)
if err != nil {
return err
}
d.ac4, err = readUInt16(calAc4)
if err != nil {
return err
}
d.ac5, err = readUInt16(calAc5)
if err != nil {
return err
}
d.ac6, err = readUInt16(calAc6)
if err != nil {
return err
}
d.b1, err = readInt16(calB1)
if err != nil {
return err
}
d.b2, err = readInt16(calB2)
if err != nil {
return err
}
d.mb, err = readInt16(calMB)
if err != nil {
return err
}
d.mc, err = readInt16(calMC)
if err != nil {
return err
}
d.md, err = readInt16(calMD)
if err != nil {
return err
}
d.calibrated = true
if glog.V(1) {
glog.Info("bmp085: calibration data retrieved")
glog.Infof("bmp085: param AC1 = %v", d.ac1)
glog.Infof("bmp085: param AC2 = %v", d.ac2)
glog.Infof("bmp085: param AC3 = %v", d.ac3)
glog.Infof("bmp085: param AC4 = %v", d.ac4)
glog.Infof("bmp085: param AC5 = %v", d.ac5)
glog.Infof("bmp085: param AC6 = %v", d.ac6)
glog.Infof("bmp085: param B1 = %v", d.b1)
glog.Infof("bmp085: param B2 = %v", d.b2)
glog.Infof("bmp085: param MB = %v", d.mb)
glog.Infof("bmp085: param MC = %v", d.mc)
glog.Infof("bmp085: param MD = %v", d.md)
}
return nil
}
