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projekte:dot-matrix-display [2016-06-28 20:38] – 84.200.19.131 | projekte:dot-matrix-display [2017-01-17 01:01] (current) – external edit 127.0.0.1 | ||
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Zwei Dot Matrix Panels aus China, 32x16 Pixel Rot, 10 mm Pitch (P10). Keine Ahnung, wem die gehören. | Zwei Dot Matrix Panels aus China, 32x16 Pixel Rot, 10 mm Pitch (P10). Keine Ahnung, wem die gehören. | ||
- | Arduino, Steckbrett, Netzteil sind Clubbesitz/ | + | Arduino, ESP8266 NodeMCU Devboard, Steckbrett, Netzteil sind Clubbesitz/ |
* http:// | * http:// | ||
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* https:// | * https:// | ||
- | ===== aktuelle Arbeit daran ==== | + | ===== Pinbelegungen ===== |
- | * mx hackt eine python library, wodurch Pixel [gegeben durch (x,y)] manipuliert werden kann | + | |
- | * mx will dann pixelflut und ähnliches laufen lassen | + | |
- | Example Code mit Noise, gerade genug um es am laufen zu halten: | + | * 1: Output Enable (PWM-fähig) |
- | < | + | * 2: A mux |
- | /* | + | * 4: B mux |
- | | + | |
+ | * 10: Store Clock (SPI select) | ||
+ | * 12: R (SPI mosi) | ||
- | Simulates Conway' | + | ===== Implementierung ===== |
- | https:// | + | |
- | */ | + | |
- | #include <SPI.h> | + | * modifizierte DMD2: https:// |
- | #include <DMD2.h> | + | * arduino sketch und lua script https:// |
+ | * TCP pixelflut kommt *vielleicht* noch. wer ne implementierung in NodeMCU-Lua anschleppt | ||
- | // How many displays do you have? | + | ==== MQTT Endpunkte ==== |
- | const int WIDTH = 2; | + | |
- | const int HEIGHT | + | |
- | SPIDMD dmd(WIDTH,HEIGHT); | + | * runlevel : shutdown/ |
+ | * kontrolliert, ob gameoflife laeuft oder alles aus | ||
+ | * cracki/ | ||
+ | * reset : | ||
+ | * " | ||
+ | * alles andere resettet den ganzen Apparat | ||
+ | * solid : 0/1/255 | ||
+ | * 0 und 1 setzen die pixel auf 0 oder 1 | ||
+ | * 255 invertiert alles | ||
+ | * dutycycle : 0-255 | ||
+ | * sollte man nicht uebertreiben, | ||
+ | * pixelflut : PX <x> <y> < | ||
+ | * bitmap : 128 bytes | ||
+ | * text : Text vollhoch | ||
+ | * text1 : Text Zeile 1 | ||
+ | * text2 : Text Zeile 2 | ||
+ | * gameoflife : 0/1 | ||
+ | * gameoflife/ | ||
+ | * gameoflife/ | ||
- | void populate_random_cells() { | + | ==== Pinbelegungen ==== |
- | // Populate the initial display randomly | + | |
- | for(int x = 0; x < dmd.width; x++) { | + | |
- | for(int y = 0; y < dmd.height; y++) { | + | |
- | if(random(100) < 30) // Increase 30 to a higher number to set more initial pixels | + | |
- | dmd.setPixel(x, | + | |
- | dmd.setPixel(x, | + | |
- | } | + | |
- | } | + | |
- | } | + | |
- | // the setup routine runs once when you press reset: | + | Panel -> Arduino: |
- | void setup() { | + | * 1 -> D9 (mit 100k pulldown, sonst legen die panels los, ueberlasten das netzteil, spannung am arsch, arduino kommt nicht hoch) |
- | | + | |
- | | + | |
- | | + | |
+ | * 12 -> D11 | ||
- | randomSeed(analogRead(0)); | + | Arduino mit ESP fuer netzwerk: |
- | | + | |
- | } | + | * TXD <- ESP RXD0 |
+ | * reset <- ESP D2 | ||
+ | * GND und VCC passend | ||
- | // the loop routine runs over and over again forever: | + | ESP als netzwerksklave an Arduino: |
- | void loop() { | + | * erde, vcc |
- | | + | * TXD0 -> Arduino RX |
- | | + | |
+ | | ||
- | long start = millis(); | + | ungetestete alternative, |
+ | * 2 (A mux) -> D1 | ||
+ | * 4 (B mux) -> D2 | ||
+ | * 1 (OE) -> D3 (sollte PWM koennen) | ||
+ | * 8 (SPI clock) -> D5 (HSCLK) | ||
+ | * 10 (store pulse) -> D0 (gpio) | ||
+ | * 12 (R) -> D7 (HMOSI) | ||
- | // Update next generation of every pixel | ||
- | bool change = false; | ||
- | for(int x = 0; x < dmd.width; x++) { | ||
- | for(int y = 0; y < dmd.height; y++) { | ||
- | bool state = current_generation.getPixel(x, | ||
- | int live_neighbours = 0; | ||
- | // Count how many live neighbours we have in the current generation | ||
- | for(int nx = x - 1; nx < x + 2; nx++) { | ||
- | for(int ny = y - 1; ny < y + 2; ny++) { | ||
- | if(nx == x && ny == y) | ||
- | continue; | ||
- | if(current_generation.getPixel(nx, | ||
- | live_neighbours++; | ||
- | } | ||
- | } | ||
- | |||
- | // Update pixel count for the next generation | ||
- | if(state && (live_neighbours < 2 || live_neighbours > 3)) { | ||
- | state = false; | ||
- | change = true; | ||
- | } | ||
- | else if(!state && (live_neighbours == 3)) { | ||
- | state = true; | ||
- | change = true; | ||
- | } | ||
- | dmd.setPixel(x, | ||
- | } | ||
- | } | ||
- | |||
- | // random seed | ||
- | for (int k = 15; k > 0; k -= 1) | ||
- | dmd.setPixel(random(dmd.width), | ||
- | |||
- | Serial.println(String(" | ||
- | |||
- | if(!change && 0) { | ||
- | // We've made it to an unchanging state | ||
- | delay(500); | ||
- | populate_random_cells(); | ||
- | // (We can't detect steady states where things change forward | ||
- | // and back, for these you need to press reset!) | ||
- | } | ||
- | } | ||
- | </ |