Tpm2net rewrite (#217)

* initial tpm2net rewrite - doesnt compile yet

* new tpm2.net drive compiles.
rename old tmp2net typos to tpm2net
fixed compiler warning in ws2812b

* added packetsize calculations and the end of frame character.
Output looks good on tcpdump

* removed old tpm2net driver
renamed tpm2netnew to tpm2net

libsrc/leddevice/LedDeviceFactory.cpp

@@ -93,7 +93,7 @@ LedDevice * LedDeviceFactory::construct(const Json::Value & deviceConfig)
 	#endif
 
 	// network lights
-	LedDevice::addToDeviceMap("tmp2net", LedDeviceTpm2net::construct);
+	LedDevice::addToDeviceMap("tpm2net", LedDeviceTpm2net::construct);
 	LedDevice::addToDeviceMap("udpraw", LedDeviceUdpRaw::construct);
 	LedDevice::addToDeviceMap("e131", LedDeviceUdpE131::construct);
 	#ifdef ENABLE_TINKERFORGE

libsrc/leddevice/LedDeviceSchemas.qrc

@@ -21,7 +21,7 @@
 		<file alias="schema-sedu">schemas/schema-sedu.json</file>
 		<file alias="schema-sk6812rgbw-spi">schemas/schema-sk6812rgbw-spi.json</file>
 		<file alias="schema-tinkerforge">schemas/schema-tinkerforge.json</file>
-		<file alias="schema-tmp2net">schemas/schema-tmp2net.json</file>
+		<file alias="schema-tpm2net">schemas/schema-tpm2net.json</file>
 		<file alias="schema-tpm2.json">schemas/schema-tpm2.json</file>
 		<file alias="schema-udpraw">schemas/schema-udpraw.json</file>
 		<file alias="schema-ws2801">schemas/schema-ws2801.json</file>

libsrc/leddevice/LedDeviceTpm2net.cpp

@@ -1,29 +1,32 @@
+
 // STL includes
 #include <cstring>
 #include <cstdio>
 #include <iostream>
-#include <sstream>
 
-// Local-Hyperion includes
+// Linux includes
+#include <fcntl.h>
+#include <sys/ioctl.h>
+#include <arpa/inet.h>
+
+#include <QHostInfo>
+#include <QUuid>
+
+// hyperion local includes
 #include "LedDeviceTpm2net.h"
 
-
 LedDeviceTpm2net::LedDeviceTpm2net(const Json::Value &deviceConfig)
-	: LedDevice()
-	, _socket(this)
+	: ProviderUdp(deviceConfig)
+
 {
 	setConfig(deviceConfig);
 }
 
-LedDeviceTpm2net::~LedDeviceTpm2net()
-{
-}
-
 bool LedDeviceTpm2net::setConfig(const Json::Value &deviceConfig)
 {
-	_host = QHostAddress(QString::fromStdString(deviceConfig.get("output", "127.0.0.1").asString()));
-	_port = deviceConfig.get("port", 65506).asInt();
-
+	ProviderUdp::setConfig(deviceConfig);
+	_LatchTime_ns  = deviceConfig.get("latchtime",104000).asInt();
+	_tpm2_max  = deviceConfig.get("max-packet",170).asInt();
 	return true;
 }
 
@@ -32,32 +35,53 @@ LedDevice* LedDeviceTpm2net::construct(const Json::Value &deviceConfig)
 	return new LedDeviceTpm2net(deviceConfig);
 }
 
+
+// populates the headers
+
 int LedDeviceTpm2net::write(const std::vector<ColorRgb> &ledValues)
 {
-	if (_ledBuffer.size() == 0)
+	uint8_t * _tpm2_buffer = (uint8_t*) malloc(_tpm2_max+7);
+
+	int retVal = 0;
+
+	_ledCount = ledValues.size();
+	_tpm2ByteCount = 3 * _ledCount;
+	_tpm2TotalPackets = 1 + _tpm2ByteCount / _tpm2_max;
+
+	int _thisPacketBytes = 0;
+	_tpm2ThisPacket = 1;
+
+	const uint8_t * rawdata = reinterpret_cast<const uint8_t *>(ledValues.data());
+
+	for (int rawIdx = 0; rawIdx < _tpm2ByteCount; rawIdx++)
 	{
-		_ledBuffer.resize(7 + 3*ledValues.size());
-		_ledBuffer[0] = 0x9c; // block-start byte TPM.NET
-		_ledBuffer[1] = 0xDA;
-		_ledBuffer[2] = ((3 * ledValues.size()) >> 8) & 0xFF; // frame size high byte
-		_ledBuffer[3] = (3 * ledValues.size()) & 0xFF; // frame size low byte
-		_ledBuffer[4] = 1; // packets number
-		_ledBuffer[5] = 1; // Number of packets 
-		_ledBuffer[(int)(7 + 3*ledValues.size()-1)] = 0x36; // block-end byte
+		if (rawIdx % _tpm2_max == 0) // start of new packet
+		{
+			_thisPacketBytes = (_tpm2ByteCount - rawIdx < _tpm2_max) ? _tpm2ByteCount % _tpm2_max : _tpm2_max;
+//			                        is this the last packet?         ?    ^^ last packet          : ^^ earlier packets
+
+			_tpm2_buffer[0] = 0x9c;	// Packet start byte
+			_tpm2_buffer[1] = 0xda; // Packet type Data frame
+			_tpm2_buffer[2] = (_thisPacketBytes >> 8) & 0xff; // Frame size high
+			_tpm2_buffer[3] = _thisPacketBytes & 0xff; // Frame size low
+			_tpm2_buffer[4] = _tpm2ThisPacket++; // Packet Number
+			_tpm2_buffer[5] = _tpm2TotalPackets; // Number of packets
 		}
 
-	// write data
-	memcpy(6 + _ledBuffer.data(), ledValues.data() /*Max 1,490 bytes*/, ledValues.size() * 3);
+		_tpm2_buffer [6 + rawIdx%_tpm2_max] = rawdata[rawIdx];
 
-	_socket.connectToHost(_host, _port);
-	_socket.write((const char *)_ledBuffer.data());
-	_socket.close();
+//     is this the      last byte of last packet    ||   last byte of other packets
+		if ( (rawIdx == _tpm2ByteCount-1) || (rawIdx %_tpm2_max == _tpm2_max-1) )
+		{
+			_tpm2_buffer [6 + rawIdx%_tpm2_max +1] = 0x36;		// Packet end byte
+			retVal &= writeBytes(_thisPacketBytes+7, _tpm2_buffer);
+		}
+	}
 
-	return 0;
+	return retVal;
 }
 
 int LedDeviceTpm2net::switchOff()
 {
-	memset(6 + _ledBuffer.data(), 0, _ledBuffer.size() - 5);
-	return 0;
+	return write(std::vector<ColorRgb>(_ledCount, ColorRgb{0,0,0}));
 }

libsrc/leddevice/LedDeviceTpm2net.h

@@ -1,15 +1,17 @@
 #pragma once
 
 // STL includes
-#include <fstream>
 #include <string>
-#include <QUdpSocket>
-#include <QStringList>
-// Leddevice includes
-#include <leddevice/LedDevice.h>
+
+// hyperion includes
+#include "ProviderUdp.h"
+
+#define TPM2_DEFAULT_PORT 65506
 
 ///
-class LedDeviceTpm2net : public LedDevice
+/// Implementation of the LedDevice interface for sending led colors via udp/E1.31 packets
+///
+class LedDeviceTpm2net : public ProviderUdp
 {
 public:
 	///
@@ -19,8 +21,6 @@ public:
 	///
 	LedDeviceTpm2net(const Json::Value &deviceConfig);
 
-	virtual ~LedDeviceTpm2net();
-	
 	///
 	/// Sets configuration
 	///
@@ -31,12 +31,12 @@ public:
 	/// constructs leddevice
 	static LedDevice* construct(const Json::Value &deviceConfig);
 
+
 	///
-	/// Writes the given led-color values to the output stream
+	/// Writes the led color values to the led-device
 	///
 	/// @param ledValues The color-value per led
-	///
-	/// @return Zero on success else negative
+	/// @return Zero on succes else negative
 	///
 	virtual int write(const std::vector<ColorRgb> &ledValues);
 
@@ -44,10 +44,8 @@ public:
 	virtual int switchOff();
 
 private:
-	/// The host of the master brick
-	QHostAddress _host;
-
-	/// The port of the master brick
-	uint16_t _port;
-	QUdpSocket _socket;
+	int _tpm2_max;
+        int _tpm2ByteCount;
+        int _tpm2TotalPackets;
+        int _tpm2ThisPacket;
 };

libsrc/leddevice/LedDeviceWS2812b.h

@@ -146,7 +146,7 @@ public:
 	///
 	/// @param deviceConfig the json device config
 	/// @return true if success
-	bool setConfig(const Json::Value&) {};
+	bool setConfig(const Json::Value&) {return true;};
 
 	/// constructs leddevice
 	static LedDevice* construct(const Json::Value &);