Catch a case where the user submits 0:00 as set time, and actually give the user feedback when long-pressing the button before starting the timer

colorbar-fastloop.py

@@ -60,6 +60,7 @@ text_area.y = 12
 try:
     display.show(text_area)
 except:
+    print("Unable to print to display.")
     pass
 
 # END Display setup
@@ -70,7 +71,7 @@ except:
 # Neopixel setup
 
 # Set Constants
-pixel_pin = board.GP5
+pixel_pin = board.GP10
 num_pixels = 144
 brightness = 0.1
 
@@ -88,7 +89,7 @@ pixels = neopixel.NeoPixel(
 RED = (255, 0, 0, 0)
 YELLOW = (255, 150, 0, 0)
 GREEN = (0, 255, 0, 0)
-BLANK = (0, 0, 0, 0)
+BLANK = (0, 0, 0)
 
 # Turn all pixels off
 pixels.fill(BLANK)
@@ -223,7 +224,12 @@ def countdown(
             #  the total numbers of pixels, and rounded to the nearest
             #  decimal. This results in a number of pixels proportional
             #  to the elapsed time
-            current_position = round(num_pixels * ((seconds - current_time) / seconds))
+            try:
+                current_position = round(num_pixels * ((seconds - current_time) / seconds))
+            except ZeroDivisionError:
+                # If the previous line was deviding by zero, then just
+                #  call for *all* pixels to be lit
+                current_position = num_pixels
 
             # Catch a couple of special cases
             if current_position == 0:
@@ -303,7 +309,7 @@ while True:
             set_time += set_time_step
         # Counter-clockwise turn decreases set_time by set_time_step
         #  only until 0
-        elif set_time > 0:
+        elif set_time > 1:
             set_time -= set_time_step
         # Update the position tracker
         last_position = position
@@ -317,6 +323,7 @@ while True:
         #  (eventually, set_time_orig will be read from persistent config)
         set_time = set_time_orig
         # Give the user feedback
+        text_area.text = prettytime(set_time)
         print("Time reset to: " + prettytime(set_time))
 
     # Start the timer on single short press