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