Implement gettemp.

devices/geiger/gqgmc.go

@@ -10,6 +10,7 @@ package geiger
 import (
 	"errors"
 	"fmt"
+	"strconv"
 	"time"
 
 	"github.com/tarm/serial"
@@ -334,6 +335,26 @@ func (gc *GQGMCCounter) GetTime() (time.Time, error) {
 	return t, nil
 }
 
+// GetTemp gets the time
+func (gc *GQGMCCounter) GetTemp() (float64, error) {
+	t, err := gc.communicate(cmdGetTemp, 4)
+	if err != nil {
+		return 0, err
+	}
+
+	var temp float64
+	temp, err = strconv.ParseFloat(fmt.Sprintf("%d.%d", uint8(t[0]), uint8(t[1])), 64)
+	if err != nil {
+		return 0, err
+	}
+	if t[2] != 0 {
+		temp = -temp
+	}
+	return temp, nil
+}
+
+//	cmdGetGyro      = "<GETGYRO>>"      // GMC-320 Re.3.01
+
 // FactoryReset does a factory reset
 func (gc *GQGMCCounter) FactoryReset() {
 	gc.sendCmd(cmdFactoryReset)