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99 lines
1.7 KiB
99 lines
1.7 KiB
/*Digital Pin 2 is on PE4 (OC3B/INT4)*/
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#define PIN 2
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void setup() {
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// put your setup code here, to run once:
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/*define Pin 2/PE4 as output*/
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/*Libraries included w/arduino IDE*/
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DDRE = 0b00010000;
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}
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void loop() {
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// put your main code here, to run repeatedly:
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while(1){
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//sendPixel(0,0,0,10);
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//sendPixel(0,0,5);
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OneLittleRGBFunc(30);
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delay(1000);
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}
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}
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/*
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* Good way to see how fast your GPIO really is
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void PixHi (void){
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PORTE = 0b00010000;
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}
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void PixLow (void){
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PORTE = 0x00;
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}
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*/
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void PixZero (void){
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PORTE = 0b00010000;
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//_delay_us(0.25);
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PORTE = 0x00;
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//_delay_us(0.25);
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}
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void PixOne (void){
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PORTE = 0b00010000;
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//_delay_us(0.55);
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_delay_us(0.55);
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PORTE = 0x00;
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}
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void PixBit (bool res){
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if (res == false){
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PixZero();
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}
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if (res == true){
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PixOne();
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}
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}
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void PixByte (char input){
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uint8_t changer = 0;
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//WS2812 reads bits as left is lowest (high in first), so go backwards
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for(changer=8;changer>0;changer--){
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PixBit(bitRead(input, changer));
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//input <<= 1; //Atmega didn't like this, so instead, using changer
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//instead of shifting input
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}
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}
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void sendPixel(uint8_t g, uint8_t r, uint8_t b){
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/*ws2812, reads bits left side as lowest*/
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/*PixByte(0b10100000); //This is dim green
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PixByte(0b00000000);
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PixByte(0b00000000);
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PixByte(0b00000000); //no white on my LED*/
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PixByte(g);
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PixByte(r);
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PixByte(b);
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//PixByte(w);
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PORTE = 0x00;
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}
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void OneLittleRGBFunc (uint8_t max){
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int rgbfunc = 0;
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for (rgbfunc = 0; rgbfunc < max; rgbfunc++){
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sendPixel(0,10,rgbfunc);
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delay(22);
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}
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for (rgbfunc = max; rgbfunc > 0; rgbfunc--){
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sendPixel(0,10,rgbfunc);
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delay(22);
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}
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}
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