linting update

CircuitPython_Made_Easy_On_CPX/cpx_acceleration_neopixels.py

@@ -1,5 +1,5 @@
-from adafruit_circuitplayground.express import cpx
 import time
+from adafruit_circuitplayground.express import cpx
 
 # Main loop gets x, y and z axis acceleration, prints the values, and turns on
 # red, green and blue, at levels related to the x, y and z values.

CircuitPython_Made_Easy_On_CPX/cpx_buttons_neopixels.py

@@ -1,4 +1,4 @@
-from adafruit_circuitplayground.express import cpx
+from adafruit_circuitplayground.express import cpx
 
 cpx.pixels.brightness = 0.3
 

CircuitPython_Made_Easy_On_CPX/cpx_single_double_tap.py

@@ -17,6 +17,6 @@ cpx.detect_taps = 2
 # We're looking for 2 double-taps before moving on.
 while tap_count < 2:
     if cpx.tapped:
-       tap_count += 1
+        tap_count += 1
 print("Reached 2 double-taps!")
-print("Done.")
+print("Done.")

CircuitPython_Made_Easy_On_CPX/cpx_slide_switch.py

@@ -1,5 +1,6 @@
+import time
 from adafruit_circuitplayground.express import cpx
 
 while True:
     print("Slide switch:", cpx.switch)
-    time.sleep(1)
+    time.sleep(0.5)

CircuitPython_Made_Easy_On_CPX/cpx_sound_meter.py

@@ -1,6 +1,8 @@
-from express import cpx
 import array
 import math
+import audiobusio
+import board
+from adafruit_circuitplayground.express import cpx
 
 
 def constrain(value, floor, ceiling):
@@ -14,10 +16,13 @@ def log_scale(input_value, input_min, input_max, output_min, output_max):
 
 def normalized_rms(values):
     minbuf = int(sum(values) / len(values))
-    return math.sqrt(sum(float(sample - minbuf) * (sample - minbuf) for sample in values) / len(values))
+    return math.sqrt(sum(float(sample - minbuf) *
+                         (sample - minbuf) for sample in values) / len(values))
 
 
+mic = audiobusio.PDMIn(board.MICROPHONE_CLOCK, board.MICROPHONE_DATA, frequency=16000, bit_depth=16)
 samples = array.array('H', [0] * 160)
+mic.record(samples, len(samples))
 input_floor = normalized_rms(samples) + 10
 
 # Lower number means more sensitive - more LEDs will light up with less sound.
@@ -26,9 +31,11 @@ input_ceiling = input_floor + sensitivity
 
 peak = 0
 while True:
-    print(cpx.magnitude())
+    mic.record(samples, len(samples))
+    magnitude = normalized_rms(samples)
+    print((magnitude,))
 
-    c = log_scale(constrain(cpx.magnitude(), input_floor, input_ceiling),
+    c = log_scale(constrain(magnitude, input_floor, input_ceiling),
                   input_floor, input_ceiling, 0, 10)
 
     cpx.pixels.fill((0, 0, 0))

CircuitPython_Made_Easy_On_CPX/cpx_start_stop_tone.py

@@ -6,4 +6,4 @@ while True:
     elif cpx.button_b:
         cpx.start_tone(294)
     else:
-        cpx.stop_tone()
+        cpx.stop_tone()

CircuitPython_Made_Easy_On_CPX/cpx_touch_all.py

@@ -16,4 +16,4 @@ while True:
         print("Touched A6!")
     if cpx.touch_A7:
         print("Touched A7!")
-    time.sleep(0.1)
+    time.sleep(0.1)

CircuitPython_Made_Easy_On_CPX/cpx_touch_fill_rainbow.py

@@ -25,4 +25,4 @@ while True:
     if cpx.touch_A7:
         print("Touched A7!")
         cpx.pixels.fill((100, 0, 155))
-    time.sleep(0.1)
+    time.sleep(0.1)