feat: add SP616E serial LED controller driver

include/led-drivers/serial/DriverSerialSP616E.h

@@ -0,0 +1,16 @@
+#pragma once
+
+#include "ProviderSerial.h"
+
+class DriverSerialSP616E : public ProviderSerial
+{
+public:
+	explicit DriverSerialSP616E(const QJsonObject& deviceConfig);
+	static LedDevice* construct(const QJsonObject& deviceConfig);
+
+private:
+	bool init(QJsonObject deviceConfig) override;
+	int writeFiniteColors(const std::vector<ColorRgb>& ledValues) override;
+
+	static bool isRegistered;
+};

sources/led-drivers/LedDeviceSchemas.qrc

@@ -16,6 +16,7 @@
 		<file alias="schema-piblaster">schemas/schema-piblaster.json</file>
 		<file alias="schema-rawhid">schemas/schema-rawhid.json</file>
 		<file alias="schema-sedu">schemas/schema-sedu.json</file>
+		<file alias="schema-sp616e">schemas/schema-sp616e.json</file>
 		<file alias="schema-sk6812spi">schemas/schema-sk6812spi.json</file>
 		<file alias="schema-sk6822spi">schemas/schema-sk6822spi.json</file>
 		<file alias="schema-sk9822">schemas/schema-sk9822.json</file>

sources/led-drivers/schemas/schema-sp616e.json

@@ -0,0 +1,25 @@
+{
+	"type":"object",
+	"required":true,
+	"properties":{
+		"output": {
+			"type": "string",
+			"title":"edt_dev_spec_outputPath_title",
+			"default":"ttyACM0",
+			"propertyOrder" : 1
+		},
+		"rate": {
+			"type": "integer",
+			"title":"edt_dev_spec_baudrate_title",
+			"default": 115200,
+			"propertyOrder" : 2
+		},
+		"delayAfterConnect": {
+			"type": "integer",
+			"title":"edt_dev_spec_delayAfterConnect_title",
+			"default": 250,
+			"propertyOrder" : 3
+		}
+	},
+	"additionalProperties": true
+}

sources/led-drivers/serial/DriverSerialSP616E.cpp

@@ -0,0 +1,51 @@
+#include <led-drivers/serial/DriverSerialSP616E.h>
+
+// SP616E protocol:
+//   - RGB pixels followed by a 0xFF terminator
+//   - Frame size is dynamic: (_ledRGBCount) + 1 bytes
+//   - No header, no checksum, no length field
+
+static const uint8_t SP616E_TERMINATOR = 0xFF;
+
+DriverSerialSP616E::DriverSerialSP616E(const QJsonObject& deviceConfig)
+	: ProviderSerial(deviceConfig)
+{
+}
+
+bool DriverSerialSP616E::init(QJsonObject deviceConfig)
+{
+	bool isInitOK = false;
+
+	// Initialise sub-class
+	if (ProviderSerial::init(deviceConfig))
+	{
+
+		_ledBuffer.resize(_ledRGBCount + 1, 0x00);
+		_ledBuffer.back() = SP616E_TERMINATOR; // block-end byte
+
+		isInitOK = true;
+	}
+	return isInitOK;
+}
+
+int DriverSerialSP616E::writeFiniteColors(const std::vector<ColorRgb>& ledValues)
+{
+	if (_ledCount != ledValues.size())
+	{
+		Warning(_log, "SP616E led count has changed (old: {:d}, new: {:d}). Rebuilding buffer.", _ledCount, ledValues.size());
+		setLedCount(static_cast<int>(ledValues.size()));
+		_ledBuffer.resize(_ledRGBCount + 1, 0x00);
+		_ledBuffer.back() = SP616E_TERMINATOR;
+	}
+
+	memcpy(_ledBuffer.data(), ledValues.data(), _ledRGBCount);
+	return writeBytes(_ledBuffer.size(), _ledBuffer.data());
+}
+
+LedDevice* DriverSerialSP616E::construct(const QJsonObject& deviceConfig)
+{
+	return new DriverSerialSP616E(deviceConfig);
+}
+
+bool DriverSerialSP616E::isRegistered = hyperhdr::leds::REGISTER_LED_DEVICE(
+	"sp616e", "leds_group_3_serial", DriverSerialSP616E::construct);