63 lines
1.9 KiB
Arduino
63 lines
1.9 KiB
Arduino
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/*
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#include <stdint.h>
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uint8_t dataPin = 13;
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uint8_t red = 200;
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uint8_t green = 200;
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uint8_t blue = 200;
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// f=16MHz -> T=0,0625µs
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uint8_t T0H = 5; // == 0.3125µs ~ 0.4 µs (+- 150ns) == [0.25, 0.55] µs
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uint8_t T1H = 11; // == 0.6875µs ~ 0.8 µs (+- 150ns) == [0.65, 0.95] µs
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uint8_t T0L = 12; // == 0.7500µs ~ 0.85µs (+- 150ns) == [0.70, 1.00] µs
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uint8_t T1L = 6; // == 0.3750µs ~ 0.45µs (+- 150ns) == [0.30, 0.60] µs
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uint8_t RES = 51; // > 50 µs
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*/
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#define dataPin 13
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#define red 0
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#define green 0
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#define blue 255
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#define ONE ({digitalWrite(dataPin, HIGH); wait5; digitalWrite(dataPin, LOW); wait12;})
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#define ZER ({digitalWrite(dataPin, HIGH); wait11; digitalWrite(dataPin, LOW); wait6;})
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#define RESET ({digitalWrite(dataPin, LOW); delayMicroseconds(51);})
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#define wait5 __asm__("nop\n\t""nop\n\t""nop\n\t""nop\n\t""nop\n\t")
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#define wait6 __asm__("nop\n\t""nop\n\t""nop\n\t""nop\n\t""nop\n\t""nop\n\t")
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#define wait11 __asm__("nop\n\t""nop\n\t""nop\n\t""nop\n\t""nop\n\t""nop\n\t""nop\n\t""nop\n\t""nop\n\t""nop\n\t""nop\n\t")
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#define wait12 __asm__("nop\n\t""nop\n\t""nop\n\t""nop\n\t""nop\n\t""nop\n\t""nop\n\t""nop\n\t""nop\n\t""nop\n\t""nop\n\t""nop\n\t")
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void setup()
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{
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pinMode(dataPin, OUTPUT);
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digitalWrite(dataPin, LOW);
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}
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void loop()
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{
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(red & B1000000) ? ONE : ZER;
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(red & B0100000) ? ONE : ZER;
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(red & B0010000) ? ONE : ZER;
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(red & B0001000) ? ONE : ZER;
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(red & B0000100) ? ONE : ZER;
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(red & B0000010) ? ONE : ZER;
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(red & B0000001) ? ONE : ZER;
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(green & B1000000) ? ONE : ZER;
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(green & B0100000) ? ONE : ZER;
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(green & B0010000) ? ONE : ZER;
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(green & B0001000) ? ONE : ZER;
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(green & B0000100) ? ONE : ZER;
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(green & B0000010) ? ONE : ZER;
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(green & B0000001) ? ONE : ZER;
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(blue & B1000000) ? ONE : ZER;
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(blue & B0100000) ? ONE : ZER;
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(blue & B0010000) ? ONE : ZER;
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(blue & B0001000) ? ONE : ZER;
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(blue & B0000100) ? ONE : ZER;
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(blue & B0000010) ? ONE : ZER;
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(blue & B0000001) ? ONE : ZER;
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RESET;
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}
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