Linting battery.py

micropython/examples/pico_lipo_shim/battery.py

@@ -1,5 +1,5 @@
-# This example shows how to read the voltage from a lipo battery connected to a Raspberry Pi Pico via our Pico Lipo SHIM, and uses this reading to calculate how much charge is left in the battery. 
-# It then displays the info on the screen of Pico Display or Pico Explorer. 
+# This example shows how to read the voltage from a lipo battery connected to a Raspberry Pi Pico via our Pico Lipo SHIM, and uses this reading to calculate how much charge is left in the battery.
+# It then displays the info on the screen of Pico Display or Pico Explorer.
 # Remember to save this code as main.py on your Pico if you want it to run automatically!
 
 from machine import ADC, Pin
@@ -11,9 +11,9 @@ buf = bytearray(display.get_width() * display.get_height() * 2)
 display.init(buf)
 display.set_backlight(0.8)          # comment out this line if you have a Pico Explorer as it doesn't have a controllable backlight
 
-vsys = machine.ADC(29)              # reads the system input voltage 
-charging = machine.Pin(24, Pin.IN)  # reading GP24 tells us whether or not USB power is connected
-conversion_factor = 3 * 3.3 / 65535 
+vsys = ADC(29)              # reads the system input voltage
+charging = Pin(24, Pin.IN)  # reading GP24 tells us whether or not USB power is connected
+conversion_factor = 3 * 3.3 / 65535
 
 full_battery = 4.2                  # these are our reference voltages for a full/empty battery, in volts
 empty_battery = 2.8                 # the values could vary by battery size/manufacturer so you might need to adjust them
@@ -21,9 +21,10 @@ empty_battery = 2.8                 # the values could vary by battery size/manu
 while True:
     voltage = vsys.read_u16() * conversion_factor
     percentage = 100 * ((voltage - empty_battery) / (full_battery - empty_battery))
-    if percentage > 100: percentage = 100.00
-        
-    # draws the battery    
+    if percentage > 100:
+        percentage = 100.00
+
+    # draws the battery
     display.set_pen(0, 0, 0)
     display.clear()
     display.set_pen(190, 190, 190)
@@ -33,14 +34,14 @@ while True:
     display.rectangle(3, 3, 214, 129)
     display.set_pen(0, 255, 0)
     display.rectangle(5, 5, round(210 / 100 * percentage), 125)
-    
+
     # adding text
     display.set_pen(255, 0, 0)
     if charging.value() == 1:         # if it's plugged into USB power...
         display.text("Charging!", 15, 55, 240, 4)
     else:                             # if not, display the battery stats
-        display.text('{:.2f}'.format(voltage) + "v", 15, 10, 240, 5)  
+        display.text('{:.2f}'.format(voltage) + "v", 15, 10, 240, 5)
         display.text('{:.0f}%'.format(percentage), 15, 50, 240, 5)
 
     display.update()
-    utime.sleep(1)
+    utime.sleep(1)