Hopefully final changes

main.py

@@ -4,19 +4,8 @@ from machine import Pin, Timer
 clock = Pin(3, mode=Pin.OUT)
 latch = Pin(0, mode=Pin.OUT)
 data = Pin(2, mode=Pin.OUT)
-
-lut = [
-    0b1011, # 0
-    0b1001, # 1
-    0b1100, # 2
-    0b1000, # 3
-    0b0000, # 4
-    0b0100, # 5
-    0b0001, # 6
-    0b0011, # 7
-    0b0010, # 8
-    0b1010, # 9
-]  
+blink = 0
+lookup = 11, 9, 12, 8, 0, 4, 1, 3, 2, 10
 
 def bitbang_bit(value):
     if value & 1:
@@ -26,15 +15,13 @@ def bitbang_bit(value):
     clock.on()
     clock.off()
 
-def bitbang_digit(digit, width=4):
+def bitbang_digit(digit):
+    bitbang_bit(blink)
     for i in range(0,width):
-        bitbang_bit(lut[digit] << i << 1 >> width)        
-        
-def bitbang_latch():
-    latch.on()
-    latch.off()
-
-state = 0
+        bitbang_bit(lookup[digit] << i >> 3)
+    bitbang_bit(blink)
+    bitbang_bit(blink)
+    bitbang_bit(blink)
 
 timer = Timer(-1)
 
@@ -43,51 +30,22 @@ def schedule(delay=0):
         timer.init(period=1000, mode=Timer.ONE_SHOT, callback=dump)
     else:
         dump()
-        
+
 def dump_time(hour, minute, second):
-    bitbang_bit(state)
     bitbang_digit(hour // 10)
-    bitbang_bit(state)
-    bitbang_bit(state)
-    bitbang_bit(state)
-
-    bitbang_bit(state)
     bitbang_digit(hour % 10)
-    bitbang_bit(state)
-    bitbang_bit(state)
-    bitbang_bit(state)
-
-    bitbang_bit(state)
     bitbang_digit(minute // 10)
-    bitbang_bit(state)
-    bitbang_bit(state)
-    bitbang_bit(state)
-    
-    bitbang_bit(state)
     bitbang_digit(minute % 10)
-    bitbang_bit(state)
-    bitbang_bit(state)
-    bitbang_bit(state)
-    
-    bitbang_bit(state)
     bitbang_digit(second // 10)
-    bitbang_bit(state)
-    bitbang_bit(state)
-    bitbang_bit(state)
-
-    bitbang_bit(state)
     bitbang_digit(second % 10)
-    bitbang_bit(state)
-    bitbang_bit(state)
-    bitbang_bit(state)
-
 
 def dump(t=None):
-    global state
+    global blink
     year, month, day, hour, minute, second, _, millis = localtime()
     dump_time((hour + 3) % 24, minute, second)
-    bitbang_latch()
-    state = 1-state
+    latch.on()
+    latch.off()
+    blink = 1-blink
     schedule(1000-millis)
 
 schedule()