rgbw e131 support

CHANGELOG.md

@@ -12,7 +12,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### ✨ Added
 
----
+- Support of RGBW in **e1.31** led devices.
 
 ### 🔧 Changed
 

assets/webconfig/i18n/en.json

@@ -688,6 +688,7 @@
     "edt_dev_spec_devices_discovery_inprogress": "Discovery in progress",
     "edt_dev_spec_dithering_title": "Dithering",
     "edt_dev_spec_dmaNumber_title": "DMA channel",
+    "edt_dev_spec_dmx_max_title": "DMX maximal number of channels",
     "edt_dev_spec_fullBrightnessAtStart_title": "Full brightness at start",
     "edt_dev_spec_gamma_title": "Gamma",
     "edt_dev_spec_globalBrightnessControlMaxLevel_title": "Max Current Level",

libsrc/leddevice/dev_net/LedDeviceUdpE131.cpp

@@ -39,6 +39,7 @@ const int DMX_MAX = 512; // 512 usable slots
 
 LedDeviceUdpE131::LedDeviceUdpE131(const QJsonObject &deviceConfig)
 	: ProviderUdp(deviceConfig)
+	, _whiteAlgorithm(RGBW::WhiteAlgorithm::INVALID)
 {
 }
 
@@ -58,9 +59,21 @@ bool LedDeviceUdpE131::init(const QJsonObject &deviceConfig)
 		_port = deviceConfig[CONFIG_PORT].toInt(E131_DEFAULT_PORT);
 
 		_e131_universe = deviceConfig["universe"].toInt(1);
+		_e131_dmx_max = deviceConfig["dmx-max"].toInt(DMX_MAX);
 		_e131_source_name = deviceConfig["source-name"].toString("hyperion on "+QHostInfo::localHostName());
 		QString _json_cid = deviceConfig["cid"].toString("");
 
+		// Initialize white algorithm
+		QString whiteAlgorithmStr = deviceConfig["whiteAlgorithm"].toString("white_off");
+		_whiteAlgorithm = RGBW::stringToWhiteAlgorithm(whiteAlgorithmStr);
+		if (_whiteAlgorithm == RGBW::WhiteAlgorithm::INVALID)
+		{
+			QString errortext = QString("unknown whiteAlgorithm: %1").arg(whiteAlgorithmStr);
+			this->setInError(errortext);
+			return false;
+		}
+		Debug(_log, "whiteAlgorithm : %s", QSTRING_CSTR(whiteAlgorithmStr));
+
 		if (_json_cid.isEmpty())
 		{
 			_e131_cid = QUuid::createUuid();
@@ -138,35 +151,57 @@ void LedDeviceUdpE131::prepare(unsigned this_universe, unsigned this_dmxChannelC
 
 int LedDeviceUdpE131::write(const std::vector<ColorRgb> &ledValues)
 {
-	int retVal            = 0;
+	int retVal = 0;
 	int thisChannelCount = 0;
-	int dmxChannelCount  = _ledRGBCount;
-	const uint8_t * rawdata = reinterpret_cast<const uint8_t *>(ledValues.data());
+	int dmxChannelCount = (_whiteAlgorithm == RGBW::WhiteAlgorithm::WHITE_OFF) ? _ledRGBCount : _ledRGBWCount; // if white_off we expect 3 channels per LED otherwise 4 
+
+	// Create a temporary buffer for RGB or RGBW data
+	std::vector<uint8_t> tempBuffer(dmxChannelCount);
+	uint8_t* rawDataPtr = tempBuffer.data();
+
+	int currentChannel = 0;
+	for (const ColorRgb& color : ledValues)
+	{
+		if (_whiteAlgorithm == RGBW::WhiteAlgorithm::WHITE_OFF)
+		{
+			rawDataPtr[currentChannel++] = color.red;
+			rawDataPtr[currentChannel++] = color.green;
+			rawDataPtr[currentChannel++] = color.blue;
+		}
+		else
+		{
+			RGBW::Rgb_to_Rgbw(color, &_temp_rgbw, _whiteAlgorithm);
+			rawDataPtr[currentChannel++] = _temp_rgbw.red;
+			rawDataPtr[currentChannel++] = _temp_rgbw.green;
+			rawDataPtr[currentChannel++] = _temp_rgbw.blue;
+			rawDataPtr[currentChannel++] = _temp_rgbw.white;
+		}
+	}
 
 	_e131_seq++;
 
 	for (int rawIdx = 0; rawIdx < dmxChannelCount; rawIdx++)
 	{
-		if (rawIdx % DMX_MAX == 0) // start of new packet
+		if (rawIdx % _e131_dmx_max == 0) // start of new packet
 		{
-			thisChannelCount = (dmxChannelCount - rawIdx < DMX_MAX) ? dmxChannelCount % DMX_MAX : DMX_MAX;
-//			                       is this the last packet?         ?       ^^ last packet      : ^^ earlier packets
+			thisChannelCount = (dmxChannelCount - rawIdx < _e131_dmx_max) ? dmxChannelCount % _e131_dmx_max : _e131_dmx_max;
+			// is this the last packet? ? ^^ last packet : ^^ earlier packets
 
-			prepare(_e131_universe + rawIdx / DMX_MAX, thisChannelCount);
+			prepare(_e131_universe + rawIdx / _e131_dmx_max, thisChannelCount);
 			e131_packet.sequence_number = _e131_seq;
 		}
 
-		e131_packet.property_values[1 + rawIdx%DMX_MAX] = rawdata[rawIdx];
+		e131_packet.property_values[1 + rawIdx % _e131_dmx_max] = rawDataPtr[rawIdx];
 
-//     is this the      last byte of last packet    ||   last byte of other packets
-		if ( (rawIdx == dmxChannelCount-1) || (rawIdx %DMX_MAX == DMX_MAX-1) )
+		// is this the last byte of last packet || last byte of other packets
+		if ((rawIdx == dmxChannelCount - 1) || (rawIdx % _e131_dmx_max == _e131_dmx_max - 1))
 		{
 #undef e131debug
 #if e131debug
 			Debug (_log, "send packet: rawidx %d dmxchannelcount %d universe: %d, packetsz %d"
 				, rawIdx
 				, dmxChannelCount
-				, _e131_universe + rawIdx / DMX_MAX
+				, _e131_universe + rawIdx / _e131_dmx_max
 				, E131_DMP_DATA + 1 + thisChannelCount
 				);
 #endif

libsrc/leddevice/dev_net/LedDeviceUdpE131.h

@@ -3,6 +3,8 @@
 
 // hyperion includes
 #include "ProviderUdp.h"
+#include "utils/ColorRgbw.h"
+#include "utils/RgbToRgbw.h"
 
 #include <QUuid>
 
@@ -139,9 +141,14 @@ class LedDeviceUdpE131 : public ProviderUdp
 	e131_packet_t e131_packet;
 	uint8_t _e131_seq = 0;
 	uint8_t _e131_universe = 1;
+	int _e131_dmx_max = 512;
 	uint8_t _acn_id[12] = {0x41, 0x53, 0x43, 0x2d, 0x45, 0x31, 0x2e, 0x31, 0x37, 0x00, 0x00, 0x00 };
 	QString _e131_source_name;
 	QUuid _e131_cid;
+
+	// RGBW specific members
+	RGBW::WhiteAlgorithm _whiteAlgorithm;
+	ColorRgbw _temp_rgbw;
 };
 
 #endif // LEDEVICEUDPE131_H

libsrc/leddevice/schemas/schema-e131.json

@@ -22,6 +22,12 @@
       "default": 1,
       "propertyOrder": 3
     },
+    "dmx-max": {
+      "type": "integer",
+      "title": "edt_dev_spec_dmx_max_title",
+      "default": 512,
+      "propertyOrder": 4
+    },
     "latchTime": {
       "type": "integer",
       "title": "edt_dev_spec_latchtime_title",
@@ -30,12 +36,43 @@
       "minimum": 0,
       "maximum": 1000,
       "access": "expert",
-      "propertyOrder": 4
+      "propertyOrder": 5
     },
     "cid": {
       "type": "string",
       "title": "edt_dev_spec_cid_title",
-      "propertyOrder": 5
+      "propertyOrder": 6
+    },
+
+    "whiteAlgorithm": {
+      "type": "string",
+      "title":"edt_dev_spec_whiteLedAlgor_title",
+      "enum" : [
+	"subtract_minimum",
+	"sub_min_cool_adjust",
+	"sub_min_warm_adjust",
+	"cold_white",
+	"neutral_white",
+	"auto",
+	"auto_max",
+	"auto_accurate",
+	"white_off"
+      ],
+      "default": "white_off",
+      "options" : {
+	"enum_titles" : [
+	  "edt_dev_enum_subtract_minimum",
+	  "edt_dev_enum_sub_min_cool_adjust",
+	  "edt_dev_enum_sub_min_warm_adjust",
+	  "edt_dev_enum_cold_white",
+	  "edt_dev_enum_neutral_white",
+	  "edt_dev_enum_auto",
+	  "edt_dev_enum_auto_max",
+	  "edt_dev_enum_auto_accurate",
+	  "edt_dev_enum_white_off"
+	]
+      },
+      "propertyOrder" : 7
     }
   },
   "additionalProperties": true