Joakim Hulthe
5fa52f7f48
- Control (at least) 1 neopixel - Add basic blinky panic handler - Support N-key rollover - Test GPIO pins
12 lines
406 B
Plaintext
12 lines
406 B
Plaintext
.program ws2812
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.side_set 1
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.wrap_target
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bitloop:
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out x 1 side 0 [6]; Drive low. Side-set still takes place before instruction stalls.
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jmp !x do_zero side 1 [3]; Branch on the bit we shifted out previous delay. Drive high.
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do_one:
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jmp bitloop side 1 [4]; Continue driving high, for a one (long pulse)
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do_zero:
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nop side 0 [4]; Or drive low, for a zero (short pulse)
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.wrap
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