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Added Arduino sketch to test LED. (not working jet)

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ht 2018-03-12 21:44:48 +01:00
parent 794897a603
commit ee120b4fc7
1 changed files with 62 additions and 0 deletions
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sketches/led-driver/led-driver.ino Normal file
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/*
#include <stdint.h>
uint8_t dataPin = 13;
uint8_t red = 200;
uint8_t green = 200;
uint8_t blue = 200;
// f=16MHz -> T=0,0625µs
uint8_t T0H = 5; // == 0.3125µs ~ 0.4 µs (+- 150ns) == [0.25, 0.55] µs
uint8_t T1H = 11; // == 0.6875µs ~ 0.8 µs (+- 150ns) == [0.65, 0.95] µs
uint8_t T0L = 12; // == 0.7500µs ~ 0.85µs (+- 150ns) == [0.70, 1.00] µs
uint8_t T1L = 6; // == 0.3750µs ~ 0.45µs (+- 150ns) == [0.30, 0.60] µs
uint8_t RES = 51; // > 50 µs
*/
#define dataPin 13
#define red 0
#define green 0
#define blue 255
#define ONE ({digitalWrite(dataPin, HIGH); wait5; digitalWrite(dataPin, LOW); wait12;})
#define ZER ({digitalWrite(dataPin, HIGH); wait11; digitalWrite(dataPin, LOW); wait6;})
#define RESET ({digitalWrite(dataPin, LOW); delayMicroseconds(51);})
#define wait5 __asm__("nop\n\t""nop\n\t""nop\n\t""nop\n\t""nop\n\t")
#define wait6 __asm__("nop\n\t""nop\n\t""nop\n\t""nop\n\t""nop\n\t""nop\n\t")
#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")
#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")
void setup()
{
pinMode(dataPin, OUTPUT);
digitalWrite(dataPin, LOW);
}
void loop()
{
(red & B1000000) ? ONE : ZER;
(red & B0100000) ? ONE : ZER;
(red & B0010000) ? ONE : ZER;
(red & B0001000) ? ONE : ZER;
(red & B0000100) ? ONE : ZER;
(red & B0000010) ? ONE : ZER;
(red & B0000001) ? ONE : ZER;
(green & B1000000) ? ONE : ZER;
(green & B0100000) ? ONE : ZER;
(green & B0010000) ? ONE : ZER;
(green & B0001000) ? ONE : ZER;
(green & B0000100) ? ONE : ZER;
(green & B0000010) ? ONE : ZER;
(green & B0000001) ? ONE : ZER;
(blue & B1000000) ? ONE : ZER;
(blue & B0100000) ? ONE : ZER;
(blue & B0010000) ? ONE : ZER;
(blue & B0001000) ? ONE : ZER;
(blue & B0000100) ? ONE : ZER;
(blue & B0000010) ? ONE : ZER;
(blue & B0000001) ? ONE : ZER;
RESET;
}