Merge pull request #1 from HendrikRauh/DMX-1-base-code

DMX-1 working base code

.gitignore

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+# Development
+
+.pio
+.vscode/.browse.c_cpp.db*
+.vscode/c_cpp_properties.json
+.vscode/launch.json
+.vscode/ipch

.vscode/extensions.json

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+{
+    // See http://go.microsoft.com/fwlink/?LinkId=827846
+    // for the documentation about the extensions.json format
+    "recommendations": ["platformio.platformio-ide"],
+    "unwantedRecommendations": ["ms-vscode.cpptools-extension-pack"]
+}

README.md

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-# dmx-interface
-Simple DIY DMX-Interface

platformio.ini

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+; PlatformIO Project Configuration File
+;
+;   Build options: build flags, source filter
+;   Upload options: custom upload port, speed and extra flags
+;   Library options: dependencies, extra library storages
+;   Advanced options: extra scripting
+;
+; Please visit documentation for the other options and examples
+; https://docs.platformio.org/page/projectconf.html
+
+[env:lolin_s2_mini]
+platform = espressif32
+board = lolin_s2_mini
+framework = arduino
+lib_deps = 
+	hideakitai/ArtNet @ ^0.8.0
+	someweisguy/esp_dmx @ ^4.1.0

src/ESPDMX.cpp

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+// - - - - -
+// ESPDMX - A Arduino library for sending and receiving DMX using the builtin serial hardware port.
+// ESPDMX.cpp: Library implementation file
+//
+// Copyright (C) 2015  Rick <ricardogg95@gmail.com>
+// This work is licensed under a GNU style license.
+//
+// Last change: Marcel Seerig <https://github.com/mseerig>
+//
+// Documentation and samples are available at https://github.com/Rickgg/ESP-Dmx
+// - - - - -
+
+/* ----- LIBRARIES ----- */
+#include <Arduino.h>
+#include "ESPDMX.h"
+
+#define DMXSPEED 250000
+#define DMXFORMAT SERIAL_8N2
+#define BREAKSPEED 83333
+#define BREAKFORMAT SERIAL_8N1
+#define SERIALPORT Serial0
+#define DMXCHANNELS 512
+
+bool dmxStarted = false;
+int sendPin = 18;
+int receivePin = -1;
+
+// DMX value array and size. Entry 0 will hold startbyte, so we need 512+1 elements
+uint8_t dmxDataStore[DMXCHANNELS + 1] = {};
+
+// Set up the DMX-Protocol
+void DMXESPSerial::init()
+{
+    SERIALPORT.begin(DMXSPEED, DMXFORMAT, receivePin, sendPin);
+    pinMode(sendPin, OUTPUT);
+    dmxStarted = true;
+}
+
+// Function to read DMX data
+uint8_t DMXESPSerial::read(int Channel)
+{
+    if (dmxStarted == false)
+        init();
+
+    if (Channel < 1)
+        Channel = 1;
+    if (Channel > DMXCHANNELS)
+        Channel = DMXCHANNELS;
+    return (dmxDataStore[Channel]);
+}
+
+// Function to send DMX data
+void DMXESPSerial::write(int Channel, uint8_t value)
+{
+    if (dmxStarted == false)
+        init();
+
+    if (Channel < 1)
+        Channel = 1;
+    if (Channel > DMXCHANNELS)
+        Channel = DMXCHANNELS;
+    if (value < 0)
+        value = 0;
+    if (value > 255)
+        value = 255;
+
+    dmxDataStore[Channel] = value;
+}
+
+void DMXESPSerial::end()
+{
+    SERIALPORT.end();
+    dmxStarted = false;
+}
+
+// Function to update the DMX bus
+void DMXESPSerial::update()
+{
+    if (dmxStarted == false)
+        init();
+
+    // Send break
+    digitalWrite(sendPin, HIGH);
+    SERIALPORT.begin(BREAKSPEED, BREAKFORMAT, receivePin, sendPin);
+    SERIALPORT.write(0);
+    SERIALPORT.flush();
+    delay(1);
+    SERIALPORT.end();
+
+    // send data
+    SERIALPORT.begin(DMXSPEED, DMXFORMAT, receivePin, sendPin);
+    digitalWrite(sendPin, LOW);
+    SERIALPORT.write(dmxDataStore, DMXCHANNELS);
+    SERIALPORT.flush();
+    delay(1);
+    SERIALPORT.end();
+}

src/ESPDMX.h

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+// - - - - -
+// ESPDMX - A Arduino library for sending and receiving DMX using the builtin serial hardware port.
+// ESPDMX.cpp: Library implementation file
+//
+// Copyright (C) 2015  Rick <ricardogg95@gmail.com>
+// This work is licensed under a GNU style license.
+//
+// Last change: Marcel Seerig <https://github.com/mseerig>
+//
+// Documentation and samples are available at https://github.com/Rickgg/ESP-Dmx
+// - - - - -
+
+#include <inttypes.h>
+
+
+#ifndef ESPDMX_h
+#define ESPDMX_h
+
+// ---- Methods ----
+
+class DMXESPSerial {
+    public:
+        void init();
+        uint8_t read(int Channel);
+        void write(int channel, uint8_t value);void update();
+        void end();
+};
+
+#endif

src/main.cpp

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+// Art-Net DMX Interface Demo
+// 2024-10-17 Patrick Schwarz
+
+#include <ArtnetWiFi.h>
+// #include <ArtnetEther.h>
+
+#include "ESPDMX.h"
+
+// WiFi stuff
+const char *ssid = "artnet";
+const char *pwd = "mbgmbgmbg";
+const IPAddress ip(192, 168, 1, 201);
+const IPAddress gateway(192, 168, 1, 1);
+const IPAddress subnet(255, 255, 255, 0);
+
+// Art-Net stuff
+ArtnetWiFi artnet;
+// const String target_ip = "192.168.1.200";
+uint8_t universe = 1; // 0 - 15
+const uint16_t size = 512;
+uint8_t data[size];
+uint8_t value = 0;
+
+// DMX stuff
+DMXESPSerial dmx;
+
+void setup()
+{
+
+    // Serial console
+    // Serial.begin(115200);
+
+    // WiFi stuff
+    // WiFi.begin(ssid, pwd);
+    WiFi.softAP(ssid, pwd);
+    WiFi.softAPConfig(ip, gateway, subnet);
+    // WiFi.config(ip, gateway, subnet);
+    // while (WiFi.status() != WL_CONNECTED) {
+    //     Serial.print(".");
+    delay(500);
+    //}
+    // Serial.print("WiFi connected, IP = ");
+    // Serial.println(WiFi.localIP());
+
+    // Initialize Art-Net
+    artnet.begin();
+
+    // Initialize DMX ports
+    dmx.init();
+
+    // if Artnet packet comes to this universe, this function is called
+    artnet.subscribeArtDmxUniverse(universe, [&](const uint8_t *data, uint16_t size, const ArtDmxMetadata &metadata, const ArtNetRemoteInfo &remote)
+                                   {
+                                       /*Serial.print("lambda : artnet data from ");
+                                       Serial.print(remote.ip);
+                                       Serial.print(":");
+                                       Serial.print(remote.port);
+                                       Serial.print(", universe = ");
+                                       Serial.print(universe);
+                                       Serial.print(", size = ");
+                                       Serial.print(size);
+                                       Serial.print(") :");*/
+
+                                       for (size_t i = 0; i < size; ++i)
+                                       {
+                                           dmx.write((i + 1), data[i]);
+                                           //    Serial.print(data[i]);
+                                           //    Serial.print(",");
+                                       }
+                                       // Serial.println();
+
+                                       dmx.update(); });
+
+    // if Artnet packet comes, this function is called to every universe
+    artnet.subscribeArtDmx([&](const uint8_t *data, uint16_t size, const ArtDmxMetadata &metadata, const ArtNetRemoteInfo &remote)
+                           {
+        /*Serial.print("received ArtNet data from ");
+        Serial.print(remote.ip);
+        Serial.print(":");
+        Serial.print(remote.port);
+        Serial.print(", net = ");
+        Serial.print(metadata.net);
+        Serial.print(", subnet = ");
+        Serial.print(metadata.subnet);
+        Serial.print(", universe = ");
+        Serial.print(metadata.universe);
+        Serial.print(", sequence = ");
+        Serial.print(metadata.sequence);
+        Serial.print(", size = ");
+        Serial.print(size);
+        Serial.println(")");*/ });
+}
+
+void loop()
+{
+    artnet.parse(); // check if artnet packet has come and execute callback
+
+    /*value = (millis() / 4) % 256;
+    memset(data, value, size);
+
+    artnet.setArtDmxData(data, size);
+    artnet.streamArtDmxTo(target_ip, universe);  // automatically send set data in 40fps
+    // artnet.streamArtDmxTo(target_ip, net, subnet, univ);  // or you can set net, subnet, and universe */
+}