Tidy and add gitignore

Author: Ramsay, Grant (NZ)

.gitignore

@@ -0,0 +1,2 @@
+build
+.idea

python/VL53L0X.py

@@ -21,50 +21,52 @@
 # LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 # SOFTWARE.
-
-import time
 from ctypes import *
 import smbus2 as smbus
+import site
 
-VL53L0X_GOOD_ACCURACY_MODE      = 0   # Good Accuracy mode
-VL53L0X_BETTER_ACCURACY_MODE    = 1   # Better Accuracy mode
-VL53L0X_BEST_ACCURACY_MODE      = 2   # Best Accuracy mode
-VL53L0X_LONG_RANGE_MODE         = 3   # Longe Range mode
-VL53L0X_HIGH_SPEED_MODE         = 4   # High Speed mode
+VL53L0X_GOOD_ACCURACY_MODE = 0      # Good Accuracy mode
+VL53L0X_BETTER_ACCURACY_MODE = 1    # Better Accuracy mode
+VL53L0X_BEST_ACCURACY_MODE = 2      # Best Accuracy mode
+VL53L0X_LONG_RANGE_MODE = 3         # Longe Range mode
+VL53L0X_HIGH_SPEED_MODE = 4         # High Speed mode
 
 i2cbus = smbus.SMBus(1)
 
+
 # i2c bus read callback
 def i2c_read(address, reg, data_p, length):
-    ret_val = 0;
+    ret_val = 0
     result = []
 
     try:
         result = i2cbus.read_i2c_block_data(address, reg, length)
     except IOError:
-        ret_val = -1; 
+        ret_val = -1
 
-    if (ret_val == 0):
+    if ret_val == 0:
         for index in range(length):
             data_p[index] = result[index]
 
     return ret_val
 
+
 # i2c bus write callback
 def i2c_write(address, reg, data_p, length):
-    ret_val = 0;
+    ret_val = 0
     data = []
 
     for index in range(length):
         data.append(data_p[index])
     try:
         i2cbus.write_i2c_block_data(address, reg, data)
     except IOError:
-        ret_val = -1; 
+        ret_val = -1
 
     return ret_val
 
-# Load VL53L0X shared lib 
+
+# Load VL53L0X shared lib
 _possible_lib_locations = site.getsitepackages() + ['../bin']
 for lib_location in _possible_lib_locations:
     try:
@@ -86,22 +88,24 @@ def i2c_write(address, reg, data_p, length):
 # pass i2c read and write function pointers to VL53L0X library
 tof_lib.VL53L0X_set_i2c(read_func, write_func)
 
+
 class VL53L0X(object):
     """VL53L0X ToF."""
 
     object_number = 0
 
-    def __init__(self, address=0x29, TCA9548A_Num=255, TCA9548A_Addr=0, **kwargs):
+    def __init__(self, address=0x29, TCA9548A_Num=255, TCA9548A_Addr=0):
         """Initialize the VL53L0X ToF Sensor from ST"""
         self.device_address = address
         self.TCA9548A_Device = TCA9548A_Num
         self.TCA9548A_Address = TCA9548A_Addr
         self.my_object_number = VL53L0X.object_number
         VL53L0X.object_number += 1
 
-    def start_ranging(self, mode = VL53L0X_GOOD_ACCURACY_MODE):
+    def start_ranging(self, mode=VL53L0X_GOOD_ACCURACY_MODE):
         """Start VL53L0X ToF Sensor Ranging"""
-        tof_lib.startRanging(self.my_object_number, mode, self.device_address, self.TCA9548A_Device, self.TCA9548A_Address)
+        tof_lib.startRanging(self.my_object_number, mode, self.device_address,
+                             self.TCA9548A_Device, self.TCA9548A_Address)
 
     def stop_ranging(self):
         """Stop VL53L0X ToF Sensor Ranging"""
@@ -114,12 +118,11 @@ def get_distance(self):
     # This function included to show how to access the ST library directly
     # from python instead of through the simplified interface
     def get_timing(self):
-        Dev = POINTER(c_void_p)
-        Dev = tof_lib.getDev(self.my_object_number)
+        dev = tof_lib.getDev(self.my_object_number)
         budget = c_uint(0)
         budget_p = pointer(budget)
-        Status =  tof_lib.VL53L0X_GetMeasurementTimingBudgetMicroSeconds(Dev, budget_p)
-        if (Status == 0):
-            return (budget.value + 1000)
+        status = tof_lib.VL53L0X_GetMeasurementTimingBudgetMicroSeconds(dev, budget_p)
+        if status == 0:
+            return budget.value + 1000
         else:
             return 0