fixed variables in examples

Author: brentru

examples/map_range_demo.py

@@ -8,15 +8,15 @@
 import simpleio
 
 while True:
-    SENSOR_VALUE = 150
+    sensor_value = 150
 
-    # Map the sensor's range from 0<=SENSOR_VALUE<=255 to 0<=SENSOR_VALUE<=1023
-    print('original sensor value: ', SENSOR_VALUE)
-    MAPPED_VALUE = simpleio.map_range(SENSOR_VALUE, 0, 255, 0, 1023)
-    print('mapped sensor value: ', MAPPED_VALUE)
+    # Map the sensor's range from 0<=sensor_value<=255 to 0<=sensor_value<=1023
+    print('original sensor value: ', sensor_value)
+    mapped_value = simpleio.map_range(sensor_value, 0, 255, 0, 1023)
+    print('mapped sensor value: ', mapped_value)
     time.sleep(2)
 
     # Map the new sensor value back to the old range
-    SENSOR_VALUE = simpleio.map_range(MAPPED_VALUE, 0, 1023, 0, 255)
-    print('original value returned: ', SENSOR_VALUE)
+    sensor_value = simpleio.map_range(mapped_value, 0, 1023, 0, 255)
+    print('original value returned: ', sensor_value)
     time.sleep(2)

examples/shift_in_out_demo.py

@@ -11,25 +11,25 @@
 import simpleio
 
 # set up clock, data, and latch pins
-CLK = digitalio.DigitalInOut(board.D12)
-CLK.direction = digitalio.Direction.OUTPUT
-DATA = digitalio.DigitalInOut(board.D11)
-LATCH = digitalio.DigitalInOut(board.D10)
-LATCH.direction = digitalio.Direction.OUTPUT
+clk = digitalio.DigitalInOut(board.D12)
+data = digitalio.DigitalInOut(board.D11)
+latch = digitalio.DigitalInOut(board.D10)
+clk.direction = digitalio.Direction.OUTPUT
+latch.direction = digitalio.Direction.OUTPUT
 
 while True:
-    DATA_TO_SEND = 256
-    # shifting 256 bits out of DATA pin
-    LATCH.value = False
-    DATA.direction = digitalio.Direction.OUTPUT
+    data_to_send = 256
+    # shifting 256 bits out of data pin
+    latch.value = False
+    data.direction = digitalio.Direction.OUTPUT
     print('shifting out...')
-    simpleio.shift_out(DATA, CLK, DATA_TO_SEND, msb_first=False)
-    LATCH.value = True
+    simpleio.shift_out(data, clk, data_to_send, msb_first=False)
+    latch.value = True
     time.sleep(3)
 
-    # shifting 256 bits into the DATA pin
-    LATCH.value = False
-    DATA.direction = digitalio.Direction.INPUT
+    # shifting 256 bits into the data pin
+    latch.value = False
+    data.direction = digitalio.Direction.INPUT
     print('shifting in...')
-    simpleio.shift_in(DATA, CLK)
+    simpleio.shift_in(data, clk)
     time.sleep(3)