From 8bb5e17e65339e18738cc62eb5d887dd966a36bd Mon Sep 17 00:00:00 2001
From: Irvin Makosa <ikmakosa1@sheffield.ac.uk>
Date: Tue, 1 Aug 2023 00:34:39 +0100
Subject: [PATCH] Fixed minor formatting issues

---
 .../examples/galactic_unicorn/light_sensor.py | 65 ++++++++++---------
 1 file changed, 33 insertions(+), 32 deletions(-)

diff --git a/micropython/examples/galactic_unicorn/light_sensor.py b/micropython/examples/galactic_unicorn/light_sensor.py
index 718eca3f..1b6759d6 100644
--- a/micropython/examples/galactic_unicorn/light_sensor.py
+++ b/micropython/examples/galactic_unicorn/light_sensor.py
@@ -1,13 +1,12 @@
 import time
 from galactic import GalacticUnicorn
 from picographics import PicoGraphics, DISPLAY_GALACTIC_UNICORN as DISPLAY
-import math
 
-'''
+"""
 Auto brightness feature for the galactic unicorn
 Uses the onboard light sensor to detect the light
 The brightness percentage is displayed with brightness auto adjusted
-'''
+"""
 # set up unicorn and drawing variables
 gu = GalacticUnicorn()
 graphics = PicoGraphics(DISPLAY)
@@ -27,71 +26,75 @@ TEXT_SLEEP = 500
 # the onboard light sensor has a wide range from 0 t0 4095
 # It is therefore needed to set a lower max and a higher minimum
 MIN_LS_VALUE = 10
-MAX_LS_VALUE = 295 # 4095 to use the full range
+MAX_LS_VALUE = 295  # 4095 to use the full range
 MIN_RANGE = 0.1
 MAX_RANGE = 1
 
 
 # perform linear interpolation to map a range of values to discrete
-def map_range(x, min_input = MIN_LS_VALUE,
-                  max_input = MAX_LS_VALUE,
-                  min_output = MIN_RANGE,
-                  max_output = MAX_RANGE):
-    return (x - min_input) * (max_output - min_output) / (max_input - min_input) + min_output
-    
+def map_range(
+    x,
+    min_input=MIN_LS_VALUE,
+    max_input=MAX_LS_VALUE,
+    min_output=MIN_RANGE,
+    max_output=MAX_RANGE,
+):
+    return (x - min_input) * (max_output - min_output) / (
+        max_input - min_input
+    ) + min_output
+
 
 # gets the light sensor value from onboard sensor and interpolates it
 # clamps the brightness values
 def calculate_brightness(current_lsv):
-    brightness_value = map_range(current_lsv)
-    if brightness_value > 1:
-        brightness_value = 1
-    elif brightness_value < 0.1:
-        brightness_value = 0.1
-        
-    return brightness_value
+    brightness_val = map_range(current_lsv)
+    if brightness_val > 1:
+        brightness_val = 1
+    elif brightness_val < 0.1:
+        brightness_val = 0.1
+
+    return brightness_val
 
 
 # sets up a handy function we can call to clear the screen
 def clear():
     graphics.set_pen(BLACK)
-    graphics.clear()    
+    graphics.clear()
+
 
 mode = "auto"
 last = time.ticks_ms()
 while True:
     current = time.ticks_ms()
-    
-    
-    
+
     # get light sensor value from the sensor
     ls_value = gu.light()
     brightness_value = calculate_brightness(ls_value)
     gu.set_brightness(brightness_value)
     # calculate brightness percentage
     bp = (brightness_value / MAX_RANGE) * 100
-    
+
     # deactivate auto brightness by pressing A
     if gu.is_pressed(GalacticUnicorn.SWITCH_A):
         print("Auto brightness off")
         mode = "off"
-        
+
     # reactivate auto brightness by pressing A
     if gu.is_pressed(GalacticUnicorn.SWITCH_B):
         print("Auto brightness on")
         mode = "auto"
-        
+
     # set brightness to default value if off
     if mode == "off":
         gu.set_brightness(0.5)
-    
-    # set text update rate after a certain time to reduce flickering 
+
+    # set text update rate after a certain time to reduce flickering
     if current - last >= TEXT_SLEEP:
         clear()
-        
+
         # calculate colour from the brightness value
         hue = max(0, HUE_START + ((bp - 0) * (HUE_END - HUE_START) / (100 - 0)))
-        
+
         # create pens with this colour (and with the high / low colours)
         CURRENT_COLOUR = graphics.create_pen_hsv(hue / 360, 1.0, 0.8)
         HIGH_COLOUR = graphics.create_pen_hsv(HUE_END / 360, 1.0, 0.8)
@@ -100,10 +103,10 @@ while True:
         # draw the text
         graphics.set_pen(CURRENT_COLOUR)
         graphics.text("BRT: ", 0, 1, scale=1)
-        # measure the rest of the text before drawing so that we can right align it
+        # measure the rest of the text before drawing to right align it
         text_width = graphics.measure_text(f"{bp:.0f}/°", scale=1)
         graphics.text(f"{bp:.0f}%", WIDTH - text_width, 1, scale=1)
-        
+
         # draw a bar for the background
         graphics.set_pen(GREY)
         graphics.rectangle(0, 9, WIDTH, 10)
@@ -116,5 +119,3 @@ while True:
     # time to update the display
     gu.update(graphics)
     # time.sleep(1)
-
-