mirror of https://github.com/arendst/Tasmota.git
417 lines
14 KiB
C++
417 lines
14 KiB
C++
/*
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xplg_ws2812.ino - ws2812 led string support for Sonoff-Tasmota
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Copyright (C) 2018 Heiko Krupp and Theo Arends
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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 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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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU 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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#ifdef USE_WS2812
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/*********************************************************************************************\
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* WS2812 RGB / RGBW Leds using NeopixelBus library
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\*********************************************************************************************/
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#include <NeoPixelBus.h>
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#ifdef USE_WS2812_DMA
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#if (USE_WS2812_CTYPE == NEO_GRB)
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NeoPixelBus<NeoGrbFeature, Neo800KbpsMethod> *strip = NULL;
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#elif (USE_WS2812_CTYPE == NEO_BRG)
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NeoPixelBus<NeoBrgFeature, Neo800KbpsMethod> *strip = NULL;
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#elif (USE_WS2812_CTYPE == NEO_RBG)
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NeoPixelBus<NeoRbgFeature, Neo800KbpsMethod> *strip = NULL;
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#elif (USE_WS2812_CTYPE == NEO_RGBW)
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NeoPixelBus<NeoRgbwFeature, Neo800KbpsMethod> *strip = NULL;
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#elif (USE_WS2812_CTYPE == NEO_GRBW)
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NeoPixelBus<NeoGrbwFeature, Neo800KbpsMethod> *strip = NULL;
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#else // USE_WS2812_CTYPE
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NeoPixelBus<NeoRgbFeature, Neo800KbpsMethod> *strip = NULL;
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#endif // USE_WS2812_CTYPE
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#else // USE_WS2812_DMA
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#if (USE_WS2812_CTYPE == NEO_GRB)
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NeoPixelBus<NeoGrbFeature, NeoEsp8266BitBang800KbpsMethod> *strip = NULL;
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#elif (USE_WS2812_CTYPE == NEO_BRG)
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NeoPixelBus<NeoBrgFeature, NeoEsp8266BitBang800KbpsMethod> *strip = NULL;
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#elif (USE_WS2812_CTYPE == NEO_RBG)
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NeoPixelBus<NeoRbgFeature, NeoEsp8266BitBang800KbpsMethod> *strip = NULL;
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#elif (USE_WS2812_CTYPE == NEO_RGBW)
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NeoPixelBus<NeoRgbwFeature, NeoEsp8266BitBang800KbpsMethod> *strip = NULL;
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#elif (USE_WS2812_CTYPE == NEO_GRBW)
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NeoPixelBus<NeoGrbwFeature, NeoEsp8266BitBang800KbpsMethod> *strip = NULL;
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#else // USE_WS2812_CTYPE
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NeoPixelBus<NeoRgbFeature, NeoEsp8266BitBang800KbpsMethod> *strip = NULL;
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#endif // USE_WS2812_CTYPE
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#endif // USE_WS2812_DMA
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struct WsColor {
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uint8_t red, green, blue;
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};
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struct ColorScheme {
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WsColor* colors;
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uint8_t count;
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};
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WsColor kIncandescent[2] = { 255,140,20, 0,0,0 };
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WsColor kRgb[3] = { 255,0,0, 0,255,0, 0,0,255 };
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WsColor kChristmas[2] = { 255,0,0, 0,255,0 };
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WsColor kHanukkah[2] = { 0,0,255, 255,255,255 };
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WsColor kwanzaa[3] = { 255,0,0, 0,0,0, 0,255,0 };
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WsColor kRainbow[7] = { 255,0,0, 255,128,0, 255,255,0, 0,255,0, 0,0,255, 128,0,255, 255,0,255 };
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WsColor kFire[3] = { 255,0,0, 255,102,0, 255,192,0 };
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ColorScheme kSchemes[WS2812_SCHEMES] = {
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kIncandescent, 2,
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kRgb, 3,
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kChristmas, 2,
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kHanukkah, 2,
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kwanzaa, 3,
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kRainbow, 7,
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kFire, 3 };
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uint8_t kWidth[5] = {
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1, // Small
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2, // Medium
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4, // Large
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8, // Largest
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255 }; // All
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uint8_t kRepeat[5] = {
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8, // Small
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6, // Medium
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4, // Large
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2, // Largest
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1 }; // All
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uint8_t ws_show_next = 1;
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/********************************************************************************************/
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void Ws2812StripShow()
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{
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#if (USE_WS2812_CTYPE > NEO_3LED)
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RgbwColor c;
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#else
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RgbColor c;
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#endif
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if (Settings.light_correction) {
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for (uint16_t i = 0; i < Settings.light_pixels; i++) {
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c = strip->GetPixelColor(i);
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c.R = ledTable[c.R];
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c.G = ledTable[c.G];
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c.B = ledTable[c.B];
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#if (USE_WS2812_CTYPE > NEO_3LED)
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c.W = ledTable[c.W];
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#endif
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strip->SetPixelColor(i, c);
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}
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}
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strip->Show();
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}
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int mod(int a, int b)
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{
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int ret = a % b;
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if (ret < 0) ret += b;
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return ret;
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}
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#define cmin(a,b) ((a)<(b)?(a):(b))
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void Ws2812UpdatePixelColor(int position, struct WsColor hand_color, float offset)
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{
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#if (USE_WS2812_CTYPE > NEO_3LED)
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RgbwColor color;
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#else
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RgbColor color;
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#endif
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uint16_t mod_position = mod(position, (int)Settings.light_pixels);
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color = strip->GetPixelColor(mod_position);
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float dimmer = 100 / (float)Settings.light_dimmer;
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color.R = cmin(color.R + ((hand_color.red / dimmer) * offset), 255);
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color.G = cmin(color.G + ((hand_color.green / dimmer) * offset), 255);
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color.B = cmin(color.B + ((hand_color.blue / dimmer) * offset), 255);
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strip->SetPixelColor(mod_position, color);
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}
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void Ws2812UpdateHand(int position, uint8_t index)
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{
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position = (position + Settings.light_rotation) % Settings.light_pixels;
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if (Settings.flag.ws_clock_reverse) position = Settings.light_pixels -position;
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WsColor hand_color = { Settings.ws_color[index][WS_RED], Settings.ws_color[index][WS_GREEN], Settings.ws_color[index][WS_BLUE] };
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Ws2812UpdatePixelColor(position, hand_color, 1);
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uint8_t range = 1;
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if (index < WS_MARKER) range = ((Settings.ws_width[index] -1) / 2) +1;
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for (uint8_t h = 1; h < range; h++) {
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float offset = (float)(range - h) / (float)range;
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Ws2812UpdatePixelColor(position -h, hand_color, offset);
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Ws2812UpdatePixelColor(position +h, hand_color, offset);
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}
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}
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void Ws2812Clock()
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{
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strip->ClearTo(0); // Reset strip
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int clksize = 60000 / (int)Settings.light_pixels;
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Ws2812UpdateHand((RtcTime.second * 1000) / clksize, WS_SECOND);
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Ws2812UpdateHand((RtcTime.minute * 1000) / clksize, WS_MINUTE);
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Ws2812UpdateHand(((RtcTime.hour % 12) * (5000 / clksize)) + ((RtcTime.minute * 1000) / (12 * clksize)), WS_HOUR);
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if (Settings.ws_color[WS_MARKER][WS_RED] + Settings.ws_color[WS_MARKER][WS_GREEN] + Settings.ws_color[WS_MARKER][WS_BLUE]) {
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for (byte i = 0; i < 12; i++) {
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Ws2812UpdateHand((i * 5000) / clksize, WS_MARKER);
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}
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}
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Ws2812StripShow();
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}
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void Ws2812GradientColor(uint8_t schemenr, struct WsColor* mColor, uint16_t range, uint16_t gradRange, uint16_t i)
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{
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/*
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* Compute the color of a pixel at position i using a gradient of the color scheme.
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* This function is used internally by the gradient function.
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*/
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ColorScheme scheme = kSchemes[schemenr];
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uint16_t curRange = i / range;
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uint16_t rangeIndex = i % range;
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uint16_t colorIndex = rangeIndex / gradRange;
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uint16_t start = colorIndex;
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uint16_t end = colorIndex +1;
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if (curRange % 2 != 0) {
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start = (scheme.count -1) - start;
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end = (scheme.count -1) - end;
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}
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float dimmer = 100 / (float)Settings.light_dimmer;
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float fmyRed = (float)map(rangeIndex % gradRange, 0, gradRange, scheme.colors[start].red, scheme.colors[end].red) / dimmer;
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float fmyGrn = (float)map(rangeIndex % gradRange, 0, gradRange, scheme.colors[start].green, scheme.colors[end].green) / dimmer;
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float fmyBlu = (float)map(rangeIndex % gradRange, 0, gradRange, scheme.colors[start].blue, scheme.colors[end].blue) / dimmer;
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mColor->red = (uint8_t)fmyRed;
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mColor->green = (uint8_t)fmyGrn;
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mColor->blue = (uint8_t)fmyBlu;
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}
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void Ws2812Gradient(uint8_t schemenr)
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{
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/*
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* This routine courtesy Tony DiCola (Adafruit)
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* Display a gradient of colors for the current color scheme.
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* Repeat is the number of repetitions of the gradient (pick a multiple of 2 for smooth looping of the gradient).
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*/
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#if (USE_WS2812_CTYPE > NEO_3LED)
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RgbwColor c;
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c.W = 0;
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#else
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RgbColor c;
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#endif
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ColorScheme scheme = kSchemes[schemenr];
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if (scheme.count < 2) return;
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uint8_t repeat = kRepeat[Settings.light_width]; // number of scheme.count per ledcount
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uint16_t range = (uint16_t)ceil((float)Settings.light_pixels / (float)repeat);
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uint16_t gradRange = (uint16_t)ceil((float)range / (float)(scheme.count - 1));
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uint16_t speed = ((Settings.light_speed * 2) -1) * (STATES / 10);
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uint16_t offset = speed > 0 ? strip_timer_counter / speed : 0;
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WsColor oldColor, currentColor;
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Ws2812GradientColor(schemenr, &oldColor, range, gradRange, offset);
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currentColor = oldColor;
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for (uint16_t i = 0; i < Settings.light_pixels; i++) {
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if (kRepeat[Settings.light_width] > 1) {
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Ws2812GradientColor(schemenr, ¤tColor, range, gradRange, i +offset);
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}
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if (Settings.light_speed > 0) {
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// Blend old and current color based on time for smooth movement.
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c.R = map(strip_timer_counter % speed, 0, speed, oldColor.red, currentColor.red);
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c.G = map(strip_timer_counter % speed, 0, speed, oldColor.green, currentColor.green);
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c.B = map(strip_timer_counter % speed, 0, speed, oldColor.blue, currentColor.blue);
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}
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else {
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// No animation, just use the current color.
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c.R = currentColor.red;
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c.G = currentColor.green;
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c.B = currentColor.blue;
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}
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strip->SetPixelColor(i, c);
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oldColor = currentColor;
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}
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Ws2812StripShow();
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}
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void Ws2812Bars(uint8_t schemenr)
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{
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/*
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* This routine courtesy Tony DiCola (Adafruit)
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* Display solid bars of color for the current color scheme.
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* Width is the width of each bar in pixels/lights.
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*/
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#if (USE_WS2812_CTYPE > NEO_3LED)
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RgbwColor c;
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c.W = 0;
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#else
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RgbColor c;
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#endif
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uint16_t i;
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ColorScheme scheme = kSchemes[schemenr];
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uint16_t maxSize = Settings.light_pixels / scheme.count;
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if (kWidth[Settings.light_width] > maxSize) maxSize = 0;
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uint16_t speed = ((Settings.light_speed * 2) -1) * (STATES / 10);
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uint8_t offset = speed > 0 ? strip_timer_counter / speed : 0;
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WsColor mcolor[scheme.count];
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memcpy(mcolor, scheme.colors, sizeof(mcolor));
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float dimmer = 100 / (float)Settings.light_dimmer;
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for (i = 0; i < scheme.count; i++) {
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float fmyRed = (float)mcolor[i].red / dimmer;
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float fmyGrn = (float)mcolor[i].green / dimmer;
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float fmyBlu = (float)mcolor[i].blue / dimmer;
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mcolor[i].red = (uint8_t)fmyRed;
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mcolor[i].green = (uint8_t)fmyGrn;
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mcolor[i].blue = (uint8_t)fmyBlu;
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}
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uint8_t colorIndex = offset % scheme.count;
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for (i = 0; i < Settings.light_pixels; i++) {
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if (maxSize) colorIndex = ((i + offset) % (scheme.count * kWidth[Settings.light_width])) / kWidth[Settings.light_width];
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c.R = mcolor[colorIndex].red;
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c.G = mcolor[colorIndex].green;
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c.B = mcolor[colorIndex].blue;
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strip->SetPixelColor(i, c);
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}
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Ws2812StripShow();
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}
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/*********************************************************************************************\
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* Public
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\*********************************************************************************************/
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void Ws2812Init()
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{
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#ifdef USE_WS2812_DMA
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#if (USE_WS2812_CTYPE == NEO_GRB)
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strip = new NeoPixelBus<NeoGrbFeature, Neo800KbpsMethod>(WS2812_MAX_LEDS); // For Esp8266, the Pin is omitted and it uses GPIO3 due to DMA hardware use.
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#elif (USE_WS2812_CTYPE == NEO_BRG)
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strip = new NeoPixelBus<NeoBrgFeature, Neo800KbpsMethod>(WS2812_MAX_LEDS); // For Esp8266, the Pin is omitted and it uses GPIO3 due to DMA hardware use.
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#elif (USE_WS2812_CTYPE == NEO_RBG)
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strip = new NeoPixelBus<NeoRbgFeature, Neo800KbpsMethod>(WS2812_MAX_LEDS); // For Esp8266, the Pin is omitted and it uses GPIO3 due to DMA hardware use.
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#elif (USE_WS2812_CTYPE == NEO_RGBW)
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strip = new NeoPixelBus<NeoRgbwFeature, Neo800KbpsMethod>(WS2812_MAX_LEDS); // For Esp8266, the Pin is omitted and it uses GPIO3 due to DMA hardware use.
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#elif (USE_WS2812_CTYPE == NEO_GRBW)
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strip = new NeoPixelBus<NeoGrbwFeature, Neo800KbpsMethod>(WS2812_MAX_LEDS); // For Esp8266, the Pin is omitted and it uses GPIO3 due to DMA hardware use.
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#else // USE_WS2812_CTYPE
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strip = new NeoPixelBus<NeoRgbFeature, Neo800KbpsMethod>(WS2812_MAX_LEDS); // For Esp8266, the Pin is omitted and it uses GPIO3 due to DMA hardware use.
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#endif // USE_WS2812_CTYPE
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#else // USE_WS2812_DMA
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#if (USE_WS2812_CTYPE == NEO_GRB)
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strip = new NeoPixelBus<NeoGrbFeature, NeoEsp8266BitBang800KbpsMethod>(WS2812_MAX_LEDS, pin[GPIO_WS2812]);
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#elif (USE_WS2812_CTYPE == NEO_BRG)
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strip = new NeoPixelBus<NeoBrgFeature, NeoEsp8266BitBang800KbpsMethod>(WS2812_MAX_LEDS, pin[GPIO_WS2812]);
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#elif (USE_WS2812_CTYPE == NEO_RBG)
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strip = new NeoPixelBus<NeoRbgFeature, NeoEsp8266BitBang800KbpsMethod>(WS2812_MAX_LEDS, pin[GPIO_WS2812]);
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#elif (USE_WS2812_CTYPE == NEO_RGBW)
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strip = new NeoPixelBus<NeoRgbwFeature, NeoEsp8266BitBang800KbpsMethod>(WS2812_MAX_LEDS, pin[GPIO_WS2812]);
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#elif (USE_WS2812_CTYPE == NEO_GRBW)
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strip = new NeoPixelBus<NeoGrbwFeature, NeoEsp8266BitBang800KbpsMethod>(WS2812_MAX_LEDS, pin[GPIO_WS2812]);
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#else // USE_WS2812_CTYPE
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strip = new NeoPixelBus<NeoRgbFeature, NeoEsp8266BitBang800KbpsMethod>(WS2812_MAX_LEDS, pin[GPIO_WS2812]);
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#endif // USE_WS2812_CTYPE
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#endif // USE_WS2812_DMA
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strip->Begin();
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Ws2812Clear();
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}
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void Ws2812Clear()
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{
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strip->ClearTo(0);
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strip->Show();
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ws_show_next = 1;
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}
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void Ws2812SetColor(uint16_t led, uint8_t red, uint8_t green, uint8_t blue, uint8_t white)
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{
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#if (USE_WS2812_CTYPE > NEO_3LED)
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RgbwColor lcolor;
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lcolor.W = white;
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#else
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RgbColor lcolor;
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#endif
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lcolor.R = red;
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lcolor.G = green;
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lcolor.B = blue;
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if (led) {
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strip->SetPixelColor(led -1, lcolor); // Led 1 is strip Led 0 -> substract offset 1
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} else {
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// strip->ClearTo(lcolor); // Set WS2812_MAX_LEDS pixels
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for (uint16_t i = 0; i < Settings.light_pixels; i++) {
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strip->SetPixelColor(i, lcolor);
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}
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}
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strip->Show();
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ws_show_next = 1;
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}
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char* Ws2812GetColor(uint16_t led, char* scolor)
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{
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uint8_t sl_ledcolor[4];
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#if (USE_WS2812_CTYPE > NEO_3LED)
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RgbwColor lcolor = strip->GetPixelColor(led -1);
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sl_ledcolor[3] = lcolor.W;
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#else
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RgbColor lcolor = strip->GetPixelColor(led -1);
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#endif
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sl_ledcolor[0] = lcolor.R;
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sl_ledcolor[1] = lcolor.G;
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sl_ledcolor[2] = lcolor.B;
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scolor[0] = '\0';
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for (byte i = 0; i < light_subtype; i++) {
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if (Settings.flag.decimal_text) {
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snprintf_P(scolor, 25, PSTR("%s%s%d"), scolor, (i > 0) ? "," : "", sl_ledcolor[i]);
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} else {
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snprintf_P(scolor, 25, PSTR("%s%02X"), scolor, sl_ledcolor[i]);
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}
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}
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return scolor;
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}
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void Ws2812ShowScheme(uint8_t scheme)
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{
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switch (scheme) {
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case 0: // Clock
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if (((STATES/10)*2 == state) || (ws_show_next)) {
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Ws2812Clock();
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ws_show_next = 0;
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}
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break;
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default:
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if (1 == Settings.light_fade) {
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Ws2812Gradient(scheme -1);
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} else {
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Ws2812Bars(scheme -1);
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}
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ws_show_next = 1;
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break;
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}
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}
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#endif // USE_WS2812
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