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UIPArtnet/Artnet.h

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#pragma once
#ifndef ARDUINO_ARTNET_H
#define ARDUINO_ARTNET_H
// Spec (Art-Net 4) : http://artisticlicence.com/WebSiteMaster/User%20Guides/art-net.pdf
// Packet Summary : https://art-net.org.uk/structure/packet-summary-2/
// Packet Definition : https://art-net.org.uk/structure/streaming-packets/artdmx-packet-definition/
#include <Arduino.h>
#include "util/ArxTypeTraits/ArxTypeTraits.h"
#include "util/ArxContainer/ArxContainer.h"
#if defined(ESP_PLATFORM) || defined(ESP8266) || defined(ARDUINO_AVR_UNO_WIFI_REV2) || defined(ARDUINO_SAMD_MKRWIFI1010) || defined(ARDUINO_SAMD_MKRVIDOR4000) || defined(ARDUINO_SAMD_MKR1000) || defined(ARDUINO_SAMD_NANO_33_IOT)
#define ARTNET_ENABLE_WIFI
#endif
#if defined(ESP8266) || !defined(ARTNET_ENABLE_WIFI)
#define ARTNET_ENABLE_ETHER
#endif
#if !defined(ARTNET_ENABLE_WIFI) && !defined(ARTNET_ENABLE_ETHER)
#error THIS PLATFORM HAS NO WIFI OR ETHERNET OR NOT SUPPORTED ARCHITECTURE. PLEASE LET ME KNOW!
#endif
#ifdef ARTNET_ENABLE_WIFI
#ifdef ESP_PLATFORM
#include <WiFi.h>
#include <WiFiUdp.h>
#elif defined(ESP8266)
#include <ESP8266WiFi.h>
#include <WiFiUdp.h>
#elif defined(ARDUINO_AVR_UNO_WIFI_REV2) || defined(ARDUINO_SAMD_MKRWIFI1010) || defined(ARDUINO_SAMD_MKRVIDOR4000) || defined(ARDUINO_SAMD_NANO_33_IOT)
#include <SPI.h>
#include <WiFiNINA.h>
#include <WiFiUdp.h>
#elif defined(ARDUINO_SAMD_MKR1000)
#include <SPI.h>
#include <WiFi101.h>
#include <WiFiUdp.h>
#endif
#endif // ARTNET_ENABLE_WIFI
#ifdef ARTNET_ENABLE_ETHER
#include <Ethernet.h>
#include <EthernetUdp.h>
#include "util/TeensyDirtySTLErrorSolution/TeensyDirtySTLErrorSolution.h"
#endif // ARTNET_ENABLE_ETHER
namespace arx {
namespace artnet {
// Packet Summary : https://art-net.org.uk/structure/packet-summary-2/
// Packet Definition : https://art-net.org.uk/structure/streaming-packets/artdmx-packet-definition/
enum class OpCode : uint16_t {
// Device Discovery
Poll = 0x2000,
PollReply = 0x2100,
// Device Configuration
Address = 0x6000,
Input = 0x7000,
IpProg = 0xF800,
IpProgReply = 0xF900,
Command = 0x2400,
// Streaming Control
Dmx = 0x5000,
Nzs = 0x5100,
Sync = 0x5200,
// RDM
TodRequest = 0x8000,
TodData = 0x8100,
TodControl = 0x8200,
Rdm = 0x8300,
RdmSub = 0x8400,
// Time-Keeping
TimeCode = 0x9700,
TimeSync = 0x9800,
// Triggering
Trigger = 0x9900,
// Diagnostics
DiagData = 0x2300,
// File Transfer
FirmwareMaster = 0xF200,
FirmwareReply = 0xF300,
Directory = 0x9A00,
DirectoryReply = 0x9B00,
FileTnMaster = 0xF400,
FileFnMaster = 0xF500,
FileFnReply = 0xF600,
// N/A
NA = 0x0000,
};
constexpr uint16_t OPC(OpCode op) { return static_cast<uint16_t>(op); }
enum class Index : uint16_t {
ID = 0,
OP_CODE_L = 8,
OP_CODE_H = 9,
PROTOCOL_VER_H = 10,
PROTOCOL_VER_L = 11,
SEQUENCE = 12,
PHYSICAL = 13,
SUBUNI = 14,
NET = 15,
LENGTH_H = 16,
LENGTH_L = 17,
DATA = 18
};
constexpr uint16_t IDX(Index i) { return static_cast<uint16_t>(i); }
constexpr uint16_t DEFAULT_PORT{6454}; // 0x1936
constexpr uint16_t HEADER_SIZE{18};
constexpr uint16_t PACKET_SIZE{530};
constexpr uint16_t PROTOCOL_VER{0x0014};
constexpr uint8_t ID_LENGTH{8};
constexpr char ID[ID_LENGTH]{"Art-Net"};
constexpr float DEFAULT_FPS{40.};
constexpr uint32_t DEFAULT_INTERVAL_MS{(uint32_t)(1000. / DEFAULT_FPS)};
static constexpr uint8_t NUM_PIXELS_PER_UNIV{170};
using CallbackAllType = std::function<void(const uint32_t universe, const uint8_t* data, const uint16_t size)>;
using CallbackType = std::function<void(const uint8_t* data, const uint16_t size)>;
#if ARX_HAVE_LIBSTDCPLUSPLUS >= 201103L // Have libstdc++11
template <uint16_t SIZE>
using Array = std::array<uint8_t, SIZE>;
using CallbackMap = std::map<uint32_t, CallbackType>;
using namespace std;
#else
template <uint16_t SIZE>
using Array = arx::vector<uint8_t, SIZE>;
using CallbackMap = arx::map<uint32_t, CallbackType, 4>;
using namespace arx;
#endif
union ArtPollReply {
struct {
uint8_t id[8];
uint8_t op_code_l;
uint8_t op_code_h;
uint8_t ip[4];
uint8_t port_l;
uint8_t port_h;
uint8_t ver_h;
uint8_t ver_l;
uint8_t net_sw;
uint8_t sub_sw;
uint8_t oem_h;
uint8_t oem_l;
uint8_t ubea_ver;
uint8_t status_1;
uint8_t esta_man_l;
uint8_t esta_man_h;
uint8_t short_name[18];
uint8_t long_name[64];
uint8_t node_report[64];
uint8_t num_ports_h;
uint8_t num_ports_l;
uint8_t port_types[4];
uint8_t good_input[4];
uint8_t good_output[4];
uint8_t sw_in[4];
uint8_t sw_out[4];
uint8_t sw_video;
uint8_t sw_macro;
uint8_t sw_remote;
uint8_t spare[3];
uint8_t style;
uint8_t mac[6];
uint8_t bind_ip[4];
uint8_t bind_index;
uint8_t status_2;
uint8_t filler[26];
};
uint8_t b[239];
};
template <typename S>
class Sender_ {
Array<PACKET_SIZE> packet;
String ip;
uint16_t port{DEFAULT_PORT};
uint8_t target_net{0};
uint8_t target_subnet{0};
uint8_t target_universe{0};
uint8_t seq{0};
uint8_t phy{0};
uint32_t prev_send_ms{0};
S* stream;
public:
#if ARX_HAVE_LIBSTDCPLUSPLUS >= 201103L // Have libstdc++11
#else
Sender_() { packet.resize(PACKET_SIZE); }
#endif
virtual ~Sender_() {}
void set(const uint8_t* const data, const uint16_t size = 512) {
packet[IDX(Index::PHYSICAL)] = phy;
packet[IDX(Index::NET)] = target_net;
packet[IDX(Index::SUBUNI)] = (target_subnet << 4) | target_universe;
packet[IDX(Index::LENGTH_H)] = (size >> 8) & 0xFF;
packet[IDX(Index::LENGTH_L)] = (size >> 0) & 0xFF;
memcpy((&packet[IDX(Index::DATA)]), data, size);
}
void set(const uint32_t universe_, const uint8_t* const data, const uint16_t size = 512) {
target_net = (universe_ >> 8) & 0x7F;
target_subnet = (universe_ >> 4) & 0x0F;
target_universe = universe_ & 0x0F;
set(data, size);
}
void set(const uint8_t net_, const uint8_t subnet_, const uint8_t universe_, const uint8_t* const data, const uint16_t size = 512) {
target_net = net_ & 0x7F;
target_subnet = subnet_ & 0x0F;
target_universe = universe_ & 0x0F;
set(data, size);
}
void set(const uint16_t ch, const uint8_t data) {
packet[IDX(Index::DATA) + ch] = data;
}
void send() {
packet[IDX(Index::SEQUENCE)] = seq++;
stream->beginPacket(ip.c_str(), port);
stream->write(packet.data(), packet.size());
stream->endPacket();
}
void send(const uint8_t* const data, const uint16_t size = 512) {
set(data, size);
send();
}
void send(const uint32_t universe_, const uint8_t* const data, const uint16_t size = 512) {
set(universe_, data, size);
send();
}
void send(const uint8_t net_, const uint8_t subnet_, const uint8_t universe_, const uint8_t* const data, const uint16_t size = 512) {
set(net_, subnet_, universe_, data, size);
send();
}
void streaming() {
if ((millis() - prev_send_ms) > DEFAULT_INTERVAL_MS) {
send();
prev_send_ms = millis();
}
}
void physical(const uint8_t i) const { phy = constrain(i, 0, 3); }
uint8_t sequence() const { return seq; }
protected:
void attach(S& s, const String& user_ip, const uint16_t user_port = DEFAULT_PORT) {
stream = &s;
ip = user_ip;
port = user_port;
for (size_t i = 0; i < ID_LENGTH; i++) packet[IDX(Index::ID) + i] = static_cast<uint8_t>(ID[i]);
packet[IDX(Index::OP_CODE_H)] = (OPC(OpCode::Dmx) >> 8) & 0x00FF;
packet[IDX(Index::OP_CODE_L)] = (OPC(OpCode::Dmx) >> 0) & 0x00FF;
packet[IDX(Index::PROTOCOL_VER_H)] = (PROTOCOL_VER >> 8) & 0x00FF;
packet[IDX(Index::PROTOCOL_VER_L)] = (PROTOCOL_VER >> 0) & 0x00FF;
}
};
template <typename S>
class Receiver_ {
Array<PACKET_SIZE> packet;
IPAddress remote_ip;
uint16_t remote_port;
uint8_t univ_net;
uint8_t univ_subnet;
String short_name{"Arduino ArtNet"};
String long_name{"Ardino ArtNet Protocol by hideakitai/ArtNet"};
String node_report{""};
CallbackMap callbacks;
CallbackAllType callback_all;
S* stream;
public:
#if ARX_HAVE_LIBSTDCPLUSPLUS >= 201103L // Have libstdc++11
#else
Receiver_() { packet.resize(PACKET_SIZE); }
#endif
virtual ~Receiver_() {}
OpCode parse() {
const size_t size = stream->parsePacket();
if (size == 0) return OpCode::NA;
uint8_t d[size];
stream->read(d, size);
if (checkID(d)) {
switch (opcode(d)) {
case OPC(OpCode::Dmx): {
memcpy(packet.data(), d, size);
remote_ip = stream->S::remoteIP();
remote_port = (uint16_t)stream->S::remotePort();
if (callback_all) callback_all(universe15bit(), data(), size - HEADER_SIZE);
for (auto& c : callbacks)
if (universe15bit() == c.first) c.second(data(), size - HEADER_SIZE);
return OpCode::Dmx;
}
case OPC(OpCode::Poll): {
remote_ip = stream->S::remoteIP();
remote_port = (uint16_t)stream->S::remotePort();
poll_reply();
return OpCode::Poll;
}
default: {
Serial.print("Unsupported OpCode: ");
Serial.println(opcode(d), HEX);
return OpCode::NA;
}
}
}
return OpCode::NA;
}
inline const IPAddress&
ip() const {
return remote_ip;
}
inline uint16_t port() const { return remote_port; }
inline String id() const {
String str;
for (uint8_t i = 0; i < ID_LENGTH; ++i) str += packet[IDX(Index::ID) + i];
return str;
}
inline uint16_t opcode() const {
return (packet[IDX(Index::OP_CODE_H)] << 8) | packet[IDX(Index::OP_CODE_L)];
}
inline uint16_t opcode(const uint8_t* p) const {
return (p[IDX(Index::OP_CODE_H)] << 8) | p[IDX(Index::OP_CODE_L)];
}
inline uint16_t version() const {
return (packet[IDX(Index::PROTOCOL_VER_H)] << 8) | packet[IDX(Index::PROTOCOL_VER_L)];
}
inline uint8_t sequence() const {
return packet[IDX(Index::SEQUENCE)];
}
inline uint8_t physical() const {
return packet[IDX(Index::PHYSICAL)];
}
uint8_t net() const {
return packet[IDX(Index::NET)] & 0x7F;
}
uint8_t subnet() const {
return (packet[IDX(Index::SUBUNI)] >> 4) & 0x0F;
}
inline uint8_t universe() const {
return packet[IDX(Index::SUBUNI)] & 0x0F;
}
inline uint16_t universe15bit() const {
return (packet[IDX(Index::NET)] << 8) | packet[IDX(Index::SUBUNI)];
}
inline uint16_t length() const {
return (packet[IDX(Index::LENGTH_H)] << 8) | packet[IDX(Index::LENGTH_L)];
}
inline uint16_t size() const {
return length();
}
inline uint8_t* data() {
return &(packet[HEADER_SIZE]);
}
inline uint8_t data(const uint16_t i) const {
return packet[HEADER_SIZE + i];
}
void subscribe_net(const uint8_t n) {
univ_net = n;
}
void subscribe_subnet(const uint8_t sn) {
univ_subnet = sn;
}
template <typename F>
inline auto subscribe(const uint8_t universe, F&& func)
-> std::enable_if_t<arx::is_callable<F>::value> {
if (callbacks.size() >= 4) {
Serial.println(F("too many callbacks"));
} else {
if (universe > 0xF) {
Serial.println(F("universe out of bounds"));
return;
} else {
uint32_t u = ((uint32_t)univ_net << 8) | ((uint32_t)univ_subnet << 4) | (uint32_t)universe;
callbacks.insert(make_pair(u, arx::function_traits<F>::cast(func)));
}
}
}
template <typename F>
inline auto subscribe(const uint8_t universe, F* func)
-> std::enable_if_t<arx::is_callable<F>::value> {
if (callbacks.size() >= 4) {
Serial.println(F("too many callbacks"));
} else {
if (universe > 0xF) {
Serial.println(F("universe out of bounds"));
} else {
uint32_t u = ((uint32_t)univ_net << 8) | ((uint32_t)univ_subnet << 4) | (uint32_t)universe;
callbacks.insert(make_pair(u, arx::function_traits<F>::cast(func)));
}
}
}
template <typename F>
inline auto subscribe(F&& func)
-> std::enable_if_t<arx::is_callable<F>::value> {
callback_all = arx::function_traits<F>::cast(func);
}
template <typename F>
inline auto subscribe(F* func)
-> std::enable_if_t<arx::is_callable<F>::value> {
callback_all = arx::function_traits<F>::cast(func);
}
inline void unsubscribe(const uint8_t universe) {
auto it = callbacks.find(universe);
if (it != callbacks.end())
callbacks.erase(it);
}
inline void unsubscribe() {
callback_all = nullptr;
}
inline void clear_subscribers() {
unsubscribe();
callbacks.clear();
}
#ifdef FASTLED_VERSION
inline void forward(const uint32_t universe, CRGB* leds, const uint16_t num) {
subscribe(universe, [&](const uint8_t* data, const uint16_t size) {
if (size < num * 3) Serial.println(F("ERROR: Too many LEDs to forward"));
for (size_t pixel = 0; pixel < num; ++pixel) {
size_t idx = pixel * 3;
leds[pixel].r = data[idx + 0];
leds[pixel].g = data[idx + 1];
leds[pixel].b = data[idx + 2];
}
});
}
inline void forward(const uint8_t net, const uint8_t subnet, const uint8_t universe, CRGB* leds, const uint16_t num) {
uint32_t u = ((uint32_t)net << 8) | ((uint32_t)subnet << 4) | (uint32_t)universe;
forward(u, leds, num);
}
#endif
void shortname(const String& sn) {
short_name = sn;
}
void longname(const String& ln) {
long_name = ln;
}
void nodereport(const String& nr) {
node_report = nr;
}
protected:
void attach(S& s) {
stream = &s;
}
private:
inline bool checkID() const {
const char* idptr = reinterpret_cast<const char*>(packet.data());
return !strcmp(ID, idptr);
}
inline bool checkID(const uint8_t* p) const {
const char* idptr = reinterpret_cast<const char*>(p);
return !strcmp(ID, idptr);
}
void poll_reply() {
ArtPollReply r;
for (size_t i = 0; i < ID_LENGTH; i++) r.id[i] = static_cast<uint8_t>(ID[i]);
r.op_code_l = ((uint16_t)OpCode::PollReply >> 0) & 0x00FF;
r.op_code_h = ((uint16_t)OpCode::PollReply >> 8) & 0x00FF;
#ifdef ARTNET_ENABLE_WIFI
IPAddress my_ip = WiFi.localIP();
IPAddress my_subnet = WiFi.subnetMask();
WiFi.macAddress(r.mac);
#endif
#ifdef ARTNET_ENABLE_ETHER
IPAddress my_ip = Ethernet.localIP();
IPAddress my_subnet = Ethernet.subnetMask();
Ethernet.MACAddress(r.mac);
#endif
for (size_t i = 0; i < 4; ++i) r.ip[i] = my_ip[i];
r.port_l = (DEFAULT_PORT >> 0) & 0xFF;
r.port_h = (DEFAULT_PORT >> 8) & 0xFF;
r.ver_h = (PROTOCOL_VER >> 8) & 0x00FF;
r.ver_l = (PROTOCOL_VER >> 0) & 0x00FF;
r.oem_h = 0; // https://github.com/tobiasebsen/ArtNode/blob/master/src/Art-NetOemCodes.h
r.oem_l = 0xFF; // OemUnknown
r.ubea_ver = 0; // UBEA not programmed
r.status_1 = 0x00; // Unknown / Normal
r.esta_man_l = 0; // No EATA manufacture code
r.esta_man_h = 0; // No ESTA manufacture code
memset(r.short_name, 0, 18);
memset(r.long_name, 0, 64);
memset(r.node_report, 0, 64);
memcpy(r.short_name, short_name.c_str(), short_name.length());
memcpy(r.long_name, long_name.c_str(), long_name.length());
memcpy(r.node_report, node_report.c_str(), node_report.length());
r.num_ports_h = 0; // Reserved
r.num_ports_l = callbacks.size(); // This library implements only 4 port
memset(r.sw_in, 0, 4);
memset(r.sw_out, 0, 4);
memset(r.port_types, 0, 4);
memset(r.good_input, 0, 4);
memset(r.good_output, 0, 4);
size_t i = 0;
for (const auto& pair : callbacks) {
r.net_sw = (pair.first >> 8) & 0x7F; // all callbacks have same value
r.sub_sw = (pair.first >> 4) & 0x0F;
r.sw_in[i] = pair.first & 0x0F;
r.sw_out[i] = i; // dummy: output port is flexible
r.port_types[i] = 0xC0; // I/O available by DMX512
r.good_input[i] = 0x80; // Data received without error
r.good_output[i] = 0x80; // Data transmitted without error
if (++i >= 4) break;
}
r.sw_video = 0; // Video display shows local data
r.sw_macro = 0; // No support for macro key inputs
r.sw_remote = 0; // No support for remote trigger inputs
memset(r.spare, 0x00, 3);
r.style = 0x00; // A DMX to / from Art-Net device
for (size_t i = 0; i < 4; ++i) r.bind_ip[i] = my_ip[i];
r.bind_index = 0;
r.status_2 = 0x08; // sACN capable
memset(r.filler, 0x00, 26);
static const IPAddress local_broadcast_addr = IPAddress((uint32_t)my_ip | ~(uint32_t)my_subnet);
stream->beginPacket(local_broadcast_addr, DEFAULT_PORT);
stream->write(r.b, sizeof(ArtPollReply));
stream->endPacket();
}
}; // namespace artnet
template <typename S>
class Manager : public Sender_<S>, public Receiver_<S> {
S stream;
public:
void begin(const String& send_ip, const uint16_t send_port = DEFAULT_PORT, const uint16_t recv_port = DEFAULT_PORT) {
stream.begin(recv_port);
this->Sender_<S>::attach(stream, send_ip, send_port);
this->Receiver_<S>::attach(stream);
}
void parse() {
this->Receiver_<S>::parse();
}
};
template <typename S>
class Sender : public Sender_<S> {
S stream;
public:
void begin(const String& ip, const uint16_t port = DEFAULT_PORT) {
stream.begin(DEFAULT_PORT);
this->Sender_<S>::attach(stream, ip, port);
}
};
template <typename S>
class Receiver : public Receiver_<S> {
S stream;
public:
void begin(const uint16_t port = DEFAULT_PORT) {
stream.begin(port);
this->Receiver_<S>::attach(stream);
}
};
} // namespace artnet
} // namespace arx
#ifdef ARTNET_ENABLE_WIFI
using ArtnetWiFi = arx::artnet::Manager<WiFiUDP>;
using ArtnetWiFiSender = arx::artnet::Sender<WiFiUDP>;
using ArtnetWiFiReceiver = arx::artnet::Receiver<WiFiUDP>;
#endif
#ifdef ARTNET_ENABLE_ETHER
using Artnet = arx::artnet::Manager<EthernetUDP>;
using ArtnetSender = arx::artnet::Sender<EthernetUDP>;
using ArtnetReceiver = arx::artnet::Receiver<EthernetUDP>;
#endif
#endif // ARDUINO_ARTNET_H
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