first working sk6812 RGB output with color copy
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; PlatformIO Project Configuration File
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;
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; Build options: build flags, source filter
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; Upload options: custom upload port, speed and extra flags
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; Library options: dependencies, extra library storages
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; Advanced options: extra scripting
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;
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; Please visit documentation for the other options and examples
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; https://docs.platformio.org/page/projectconf.html
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[env:d1_mini]
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platform = espressif8266
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board = d1_mini
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framework = arduino
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lib_deps =
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fastled/FastLED
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@ -0,0 +1,65 @@
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/* FastLED_RGBW
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*
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* Hack to enable SK6812 RGBW strips to work with FastLED.
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*
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* Original code by Jim Bumgardner (http://krazydad.com).
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* Modified by David Madison (http://partsnotincluded.com).
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*
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*/
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#include <Arduino.h>
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/*#ifndef fastled_h
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#include <FastLED.h>
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#endif
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*/
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#ifndef FastLED_RGBW_h
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#define FastLED_RGBW_h
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struct CRGBW {
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union {
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struct {
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union {
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uint8_t g;
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uint8_t green;
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};
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union {
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uint8_t r;
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uint8_t red;
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};
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union {
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uint8_t b;
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uint8_t blue;
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};
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union {
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uint8_t w;
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uint8_t white;
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};
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};
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uint8_t raw[4];
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};
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CRGBW(){}
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CRGBW(uint8_t rd, uint8_t grn, uint8_t blu, uint8_t wht){
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r = rd;
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g = grn;
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b = blu;
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w = wht;
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}
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inline void operator = (const CRGB c) __attribute__((always_inline)){
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this->r = c.r;
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this->g = c.g;
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this->b = c.b;
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this->white = 0;
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}
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};
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inline uint16_t getRGBWsize(uint16_t nleds){
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uint16_t nbytes = nleds * 4;
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if(nbytes % 3 > 0) return nbytes / 3 + 1;
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else return nbytes / 3;
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}
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#endif
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@ -1,11 +1,9 @@
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/* LEDstream_FastLED
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/*
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* Project Adalight FastLED
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* @author David Madison
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* @link github.com/dmadison/Adalight-FastLED
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* @license LGPL - Copyright (c) 2017 David Madison
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*
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* Modified version of Adalight that uses the FastLED
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* library (http://fastled.io) for driving led strips.
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*
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* http://github.com/dmadison/Adalight-FastLED
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*
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* --------------------------------------------------------------------
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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@ -18,43 +16,69 @@
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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* --------------------------------------------------------------------
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*
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*/
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#define SK6812RGBW
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#include <Arduino.h>
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// --- General Settings
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static const uint16_t
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Num_Leds = 80; // strip length
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static const uint8_t
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const uint16_t
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Num_Leds = 112; // strip length
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const uint8_t
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Brightness = 255; // maximum brightness
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// --- FastLED Setings
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#if defined(SK6812RGBW)
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#define LED_TYPE SK6812 // led strip type for FastLED
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#define COLOR_ORDER RGB // color order for bitbang
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#else
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#define LED_TYPE WS2812B // led strip type for FastLED
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#define COLOR_ORDER GRB // color order for bitbang
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#define PIN_DATA 6 // led data output pin
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#endif
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#define PIN_DATA D2 // led data output pin
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// #define PIN_CLOCK 7 // led data clock pin (uncomment if you're using a 4-wire LED type)
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// --- Serial Settings
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static const unsigned long
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const unsigned long
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SerialSpeed = 115200; // serial port speed
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static const uint16_t
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const uint16_t
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SerialTimeout = 60; // time before LEDs are shut off if no data (in seconds), 0 to disable
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// --- Optional Settings (uncomment to add)
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#define SERIAL_FLUSH // Serial buffer cleared on LED latch
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//#define CLEAR_ON_START // LEDs are cleared on reset
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//#define GROUND_PIN 10 // additional grounding pin (optional)
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//#define CALIBRATE // sets all LEDs to the color of the first
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#define CLEAR_ON_START // LEDs are cleared on reset
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// --- Debug Settings (uncomment to add)
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//#define DEBUG_LED 13 // toggles the Arduino's built-in LED on header match
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#define DEBUG_LED LED_BUILTIN // toggles the Arduino's built-in LED on header match
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// #define DEBUG_FPS 8 // enables a pulse on LED latch
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// --------------------------------------------------------------------
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#include <FastLED.h>
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#if defined(SK6812RGBW)
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#include "FastLED_RGBW.h" //rgbw
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#endif
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//
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// FastLED with RGBW
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#if defined(SK6812RGBW)
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CRGBW send_leds[Num_Leds];
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CRGB *send_ledsRaw = (CRGB *) &send_leds[0];
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CRGB leds[Num_Leds];
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uint8_t * ledsRaw = (uint8_t *)leds;
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#else
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CRGB leds[Num_Leds];
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uint8_t * ledsRaw = (uint8_t *)leds;
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#endif
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// A 'magic word' (along with LED count & checksum) precedes each block
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// of LED data; this assists the microcontroller in syncing up with the
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@ -70,7 +94,7 @@ uint8_t * ledsRaw = (uint8_t *)leds;
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// XOR 0x55). LED data follows, 3 bytes per LED, in order R, G, B,
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// where 0 = off and 255 = max brightness.
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static const uint8_t magic[] = {
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const uint8_t magic[] = {
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'A','d','a'};
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#define MAGICSIZE sizeof(magic)
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@ -81,18 +105,23 @@ static const uint8_t magic[] = {
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enum processModes_t {Header, Data} mode = Header;
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static int16_t
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c;
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static uint16_t
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outPos;
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static uint32_t
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bytesRemaining;
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static unsigned long
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t,
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lastByteTime,
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lastAckTime;
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int16_t c; // current byte, must support -1 if no data available
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uint16_t outPos; // current byte index in the LED array
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uint32_t bytesRemaining; // count of bytes yet received, set by checksum
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unsigned long t, lastByteTime, lastAckTime; // millisecond timestamps
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void headerMode();
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void dataMode();
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void timeouts();
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// Macros initialized
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#ifdef SERIAL_FLUSH
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#undef SERIAL_FLUSH
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#define SERIAL_FLUSH while(Serial.available() > 0) { Serial.read(); }
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#else
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#define SERIAL_FLUSH
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#endif
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// Debug macros initialized
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#ifdef DEBUG_LED
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#define ON 1
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#define OFF 0
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@ -109,11 +138,6 @@ static unsigned long
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#endif
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void setup(){
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#ifdef GROUND_PIN
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pinMode(GROUND_PIN, OUTPUT);
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digitalWrite(GROUND_PIN, LOW);
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#endif
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#ifdef DEBUG_LED
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pinMode(DEBUG_LED, OUTPUT);
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digitalWrite(DEBUG_LED, LOW);
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pinMode(DEBUG_FPS, OUTPUT);
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#endif
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#ifdef PIN_CLOCK
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#if defined(PIN_CLOCK) && defined(PIN_DATA)
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FastLED.addLeds<LED_TYPE, PIN_DATA, PIN_CLOCK, COLOR_ORDER>(leds, Num_Leds);
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#elif defined(PIN_DATA)
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#if defined(SK6812RGBW)
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//FastLED with RGBW
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FastLED.addLeds<LED_TYPE, PIN_DATA, COLOR_ORDER>(send_ledsRaw, getRGBWsize(Num_Leds));
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#else
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FastLED.addLeds<LED_TYPE, PIN_DATA, COLOR_ORDER>(leds, Num_Leds);
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#endif
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#else
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#error "No LED output pins defined. Check your settings at the top."
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#endif
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FastLED.setBrightness(Brightness);
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#ifdef CLEAR_ON_START
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}
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void loop(){
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adalight();
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}
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void adalight(){
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t = millis(); // Save current time
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// If there is new serial data
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if(chk == (hi ^ lo ^ 0x55)) {
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// Checksum looks valid. Get 16-bit LED count, add 1
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// (# LEDs is always > 0) and multiply by 3 for R,G,B.
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#if defined(SK6812RGBW)
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D_LED(ON);
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bytesRemaining = 3L * (256L * (long)hi + (long)lo + 1L);
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outPos = 0;
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memset(leds, 0, Num_Leds * sizeof(struct CRGB));
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mode = Data; // Proceed to latch wait mode
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#else
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D_LED(ON);
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bytesRemaining = 3L * (256L * (long)hi + (long)lo + 1L);
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outPos = 0;
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memset(leds, 0, Num_Leds * sizeof(struct CRGB));
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mode = Data; // Proceed to latch wait mode
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#endif
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}
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headPos = 0; // Reset header position regardless of checksum result
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break;
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void dataMode(){
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// If LED data is not full
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if (outPos < sizeof(leds)){
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dataSet();
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#if defined(SK6812RGBW)
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ledsRaw[outPos++] = c; // Issue next byte
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#else
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ledsRaw[outPos++] = c; // Issue next byte
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#endif
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}
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bytesRemaining--;
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if(bytesRemaining == 0) {
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// End of data -- issue latch:
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mode = Header; // Begin next header search
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#if defined(SK6812RGBW)
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//Copy data over
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for(int i = 0; i < Num_Leds; i++){
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//send_leds[i] = CRGBW(0, 0, 0, 50);
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send_leds[i] = CRGBW(leds[i].r, leds[i].g, leds[i].b, 0);
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}
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#endif
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FastLED.show();
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D_FPS;
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D_LED(OFF);
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#ifdef SERIAL_FLUSH
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serialFlush();
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#endif
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SERIAL_FLUSH;
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}
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}
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void dataSet(){
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#ifdef CALIBRATE
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if(outPos < 3)
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ledsRaw[outPos++] = c;
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else{
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ledsRaw[outPos] = ledsRaw[outPos%3]; // Sets RGB data to first LED color
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outPos++;
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}
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#else
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ledsRaw[outPos++] = c; // Issue next byte
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#endif
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}
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void timeouts(){
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// No data received. If this persists, send an ACK packet
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// to host once every second to alert it to our presence.
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// If no data received for an extended time, turn off all LEDs.
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if(SerialTimeout != 0 && (t - lastByteTime) >= (uint32_t) SerialTimeout * 1000) {
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#if defined(SK6812RGBW)
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memset(leds, 0, Num_Leds * sizeof(struct CRGB)); //filling Led array by zeroes
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#else
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memset(leds, 0, Num_Leds * sizeof(struct CRGB)); //filling Led array by zeroes
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#endif
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#if defined(SK6812RGBW)
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//All Black
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for(int i = 0; i < Num_Leds; i++){
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send_leds[i] = CRGBW(0, 0, 0, 0);
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}
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#endif
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FastLED.show();
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mode = Header;
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lastByteTime = t; // Reset counter
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}
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}
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}
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void serialFlush(){
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while(Serial.available() > 0) {
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Serial.read();
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}
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}
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