add

cool.py

@@ -0,0 +1,92 @@
+from rp2 import PIO, asm_pio, StateMachine
+from machine import Pin
+from time import sleep_ms
+
+FIRST_PIN = Pin(12)
+
+# a b f g e d dp c
+DIGITS = [
+    0b00010000,
+    0b10111100,
+    0b00100001,
+    0b00101000,
+    0b10001100,
+    0b01001000,
+    0b01000000,
+    0b00111100,
+    0b00000000,
+    0b00001000,
+]
+
+PATTERN = [
+    0b00111111,
+    0b10101111,
+    0b11100111,
+    0b11110011,
+    0b11111010,
+    0b11101110,
+    0b11001111,
+    0b01011111
+]
+
+PATTERN_ENDING = [
+    0b00111111,
+    0b10101111,
+    0b11100111,
+    0b11110011,
+    0b11111001,
+    0b11111101,
+    0b11111111
+]
+
+COUNT_START = [
+    0b11111101,
+    0b11111000,
+    0b10110000,
+    0b00010000,
+]
+
+COUNT_END = [
+    0b00001000,
+    0b00001100,
+    0b00001111,
+    0b01001111,
+    0b11001111,
+    0b11101111,
+    0b11111111
+]
+
+@asm_pio(out_init=(PIO.OUT_HIGH,) * 8,
+         out_shiftdir=PIO.SHIFT_RIGHT,
+         autopull=True, pull_thresh=8)
+def prog():
+    # you can remove autopull and place pull() here
+    out(pins, 8)
+    # and that's it! easier than classic code!
+    
+sm = StateMachine(0, prog, out_base=FIRST_PIN)
+sm.active(1)
+
+for _ in range(5):
+    for i in range(len(PATTERN)):
+        sm.put(PATTERN[i])
+        sleep_ms(100)
+        
+for i in range(len(PATTERN_ENDING)):
+    sm.put(PATTERN_ENDING[i])
+    sleep_ms(100)
+    
+sleep_ms(700)
+    
+for i in range(len(COUNT_START)):
+    sm.put(COUNT_START[i])
+    sleep_ms(100)
+
+for i in range(20):
+    d = DIGITS[i // 2] ^ ((i % 2) << 1)
+    sm.put(d)
+    sleep_ms(500)
+    
+for i in range(len(COUNT_END)):
+    sm.put(COUNT_END[i])
+    sleep_ms(100)