diff --git a/ina3221.go b/ina3221.go
index 5ba5cc3..30217d8 100644
--- a/ina3221.go
+++ b/ina3221.go
@@ -29,7 +29,7 @@ var (
 	i2c_dev i2c.Dev
 )
 
-func start(slave_addr uint16) error {
+func Start(slave_addr uint16) error {
 	logger.SetPrefix("ina3112: ")
 	logger.Println("Starting")
 
@@ -53,10 +53,33 @@ func start(slave_addr uint16) error {
 	return err
 }
 
-func stop() error {
+func Stop() error {
 	return bus.Close()
 }
 
+func Current(channel Channel) (float64, error) {
+	res, err := shunt_voltage(channel)
+	if err != nil {
+		logger.Println(err)
+		return 0.0, err
+	}
+
+	return res * current_factor, err
+}
+
+func Voltage(channel Channel) (float64, error) {
+	res, err := bus_voltage(channel)
+	if err != nil {
+		logger.Println(err)
+		return 0.0, err
+	}
+	return res * voltage_factor, err
+}
+
+func ManufacturerID() (uint16, error) {
+	return read_register(0xfe)
+}
+
 func read_register(address uint8) (uint16, error) {
 	return mem_dev.ReadUint16(address)
 }
@@ -80,26 +103,3 @@ func bus_voltage(channel Channel) (float64, error) {
 	res >>= 3
 	return float64(res), err
 }
-
-func Current(channel Channel) (float64, error) {
-	res, err := shunt_voltage(channel)
-	if err != nil {
-		logger.Println(err)
-		return 0.0, err
-	}
-
-	return res * current_factor, err
-}
-
-func Voltage(channel Channel) (float64, error) {
-	res, err := bus_voltage(channel)
-	if err != nil {
-		logger.Println(err)
-		return 0.0, err
-	}
-	return res * voltage_factor, err
-}
-
-func ManufacturerID() (uint16, error) {
-	return read_register(0xfe)
-}
diff --git a/ina3221_test.go b/ina3221_test.go
index b626118..ae06925 100644
--- a/ina3221_test.go
+++ b/ina3221_test.go
@@ -12,7 +12,7 @@ const (
 )
 
 func TestMain(t *testing.T) {
-	err := start(i2c_slave_addr)
+	err := Start(i2c_slave_addr)
 	assert.NilError(t, err)
 
 	var id uint16
@@ -27,6 +27,6 @@ func TestMain(t *testing.T) {
 		assert.NilError(t, err)
 	}
 
-	err = stop()
+	err = Stop()
 	assert.NilError(t, err)
 }