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personas:johnny:proyectos:matrices-led [2021/10/16 18:07] – kzpersonas:johnny:proyectos:matrices-led [2021/10/16 18:54] (actual) – kz
Línea 407: Línea 407:
  
 </code> </code>
 +
 +Este otro código es tomado de internet del señor [[https://www.youtube.com/watch?v=F9w72sDUamY&ab_channel=HumbertoHiginio|humberto higinio]].
 +
 +<code c++>
 +/*
 +Programa: Wifi controlled LED matrix display
 +Autor:  Humberto Higinio
 +Web: www.humbertohiginio.com
 +Canal de Youtube: https://www.youtube.com/user/HHSolis
 +Video Exclusivo para mi canal de Youtube
 +Todos los Derechos Reservados - 2018
 +Código de Dominio Público
 +
 +Wemos D1 Mini o NodeMCU pines    -> Matrix pines
 +MOSI-D7-GPIO13  -> DIN
 +CLK-D5-GPIO14   -> Clk
 +GPIO0-D3        -> CS o LOAD
 +
 +*/
 +
 +#include <ESP8266WiFi.h>
 +#include <ESP8266WebServer.h>
 +#include <SPI.h>
 +#include <Adafruit_GFX.h>
 +#include <Max72xxPanel.h>
 +
 +#define SSID "XXXXXX"                      // insert your SSID
 +#define PASS "XXXXXX"                    // insert your password
 +// ******************* String form to sent to the client-browser ************************************
 +String form =
 +  "<p>"
 +  "<center>"
 +  "<h1>Humberto Higinio Web Server</h1>"
 +  "<form action='msg'><p>Tipee su mensaje <input type='text' name='msg' size=100 autofocus> <input type='submit' value='Enviar'></form>"
 +  "</center>";
 +
 +ESP8266WebServer server(80);                             // HTTP server will listen at port 80
 +long period;
 +int offset=1,refresh=0;
 +int pinCS = 0; // Attach CS to this pin, DIN to MOSI and CLK to SCK (cf http://arduino.cc/en/Reference/SPI )
 +int numberOfHorizontalDisplays = 8;
 +int numberOfVerticalDisplays = 1;
 +String decodedMsg;
 +Max72xxPanel matrix = Max72xxPanel(pinCS, numberOfHorizontalDisplays, numberOfVerticalDisplays);
 +
 +String tape = "Arduino";
 +int wait = 20; // In milliseconds
 +
 +int spacer = 2;
 +int width = 5 + spacer; // The font width is 5 pixels
 +
 +/*
 +  handles the messages coming from the webbrowser, restores a few special characters and 
 +  constructs the strings that can be sent to the oled display
 +*/
 +void handle_msg() {
 +                        
 +  matrix.fillScreen(LOW);
 +  server.send(200, "text/html", form);    // Send same page so they can send another msg
 +  refresh=1;
 +  // Display msg on Oled
 +  String msg = server.arg("msg");
 +  Serial.println(msg);
 +  decodedMsg = msg;
 +  // Restore special characters that are misformed to %char by the client browser
 +  decodedMsg.replace("+", " ");      
 +  decodedMsg.replace("%21", "!");  
 +  decodedMsg.replace("%22", "");  
 +  decodedMsg.replace("%23", "#");
 +  decodedMsg.replace("%24", "$");
 +  decodedMsg.replace("%25", "%");  
 +  decodedMsg.replace("%26", "&");
 +  decodedMsg.replace("%27", "'");  
 +  decodedMsg.replace("%28", "(");
 +  decodedMsg.replace("%29", ")");
 +  decodedMsg.replace("%2A", "*");
 +  decodedMsg.replace("%2B", "+");  
 +  decodedMsg.replace("%2C", ",");  
 +  decodedMsg.replace("%2F", "/");   
 +  decodedMsg.replace("%3A", ":");    
 +  decodedMsg.replace("%3B", ";");  
 +  decodedMsg.replace("%3C", "<");  
 +  decodedMsg.replace("%3D", "=");  
 +  decodedMsg.replace("%3E", ">");
 +  decodedMsg.replace("%3F", "?");  
 +  decodedMsg.replace("%40", "@"); 
 +  //Serial.println(decodedMsg);                   // print original string to monitor
 + 
 + 
 +    
 +  //Serial.println(' ');                          // new line in monitor
 +}
 +
 +void setup(void) {
 +matrix.setIntensity(10); // Use a value between 0 and 15 for brightness
 +
 +// Adjust to your own needs
 +//  matrix.setPosition(0, 1, 0); // The first display is at <0, 0>
 +//  matrix.setPosition(1, 0, 0); // The second display is at <1, 0>
 +
 +// Adjust to your own needs
 +  matrix.setPosition(0, 7, 0); // The first display is at <0, 7>
 +  matrix.setPosition(1, 6, 0); // The second display is at <1, 0>
 +  matrix.setPosition(2, 5, 0); // The third display is at <2, 0>
 +  matrix.setPosition(3, 4, 0); // And the last display is at <3, 0>
 +  matrix.setPosition(4, 3, 0); // The first display is at <0, 0>
 +  matrix.setPosition(5, 2, 0); // The second display is at <1, 0>
 +  matrix.setPosition(6, 1, 0); // The third display is at <2, 0>
 +  matrix.setPosition(7, 0, 0); // And the last display is at <3, 0>
 +  
 +  matrix.setRotation(0, 3);    // The first display is position upside down
 +  matrix.setRotation(1, 3);    // The first display is position upside down
 +  matrix.setRotation(2, 3);    // The first display is position upside down
 +  matrix.setRotation(3, 3);    // The first display is position upside down
 +  matrix.setRotation(4, 3);    // The first display is position upside down
 +  matrix.setRotation(5, 3);    // The first display is position upside down
 +  matrix.setRotation(6, 3);    // The first display is position upside down
 +  matrix.setRotation(7, 3);    // The first display is position upside down
 +  
 +
 +
 +
 +
 +//ESP.wdtDisable();                               // used to debug, disable wachdog timer, 
 +  Serial.begin(115200);                           // full speed to monitor
 +                               
 +  WiFi.begin(SSID, PASS);                         // Connect to WiFi network
 +  while (WiFi.status() != WL_CONNECTED) {         // Wait for connection
 +    delay(500);
 +    Serial.print(".");
 +  }
 +  // Set up the endpoints for HTTP server,  Endpoints can be written as inline functions:
 +  server.on("/", []() {
 +    server.send(200, "text/html", form);
 +  });
 +  server.on("/msg", handle_msg);                  // And as regular external functions:
 +  server.begin();                                 // Start the server 
 +
 +
 +  Serial.print("SSID : ");                        // prints SSID in monitor
 +  Serial.println(SSID);                           // to monitor             
 + 
 +  char result[16];
 +  sprintf(result, "%3d.%3d.%1d.%3d", WiFi.localIP()[0], WiFi.localIP()[1], WiFi.localIP()[2], WiFi.localIP()[3]);
 +  Serial.println();
 +  Serial.println(result);
 +  decodedMsg = result;
 +  Serial.println("WebServer ready!   ");
 +
 +  Serial.println(WiFi.localIP());                 // Serial monitor prints localIP
 +  Serial.print(analogRead(A0));
 +  
 +}
 +
 +
 +void loop(void) {
 +
 +  for ( int i = 0 ; i < width * decodedMsg.length() + matrix.width() - 1 - spacer; i++ ) {
 +    server.handleClient();                        // checks for incoming messages
 +    if (refresh==1) i=0;
 +    refresh=0;
 +    matrix.fillScreen(LOW);
 +
 +    int letter = i / width;
 +    int x = (matrix.width() - 1) - i % width;
 +    int y = (matrix.height() - 8) / 2; // center the text vertically
 + 
 +    while ( x + width - spacer >= 0 && letter >= 0 ) {
 +      if ( letter < decodedMsg.length() ) {
 +        matrix.drawChar(x, y, decodedMsg[letter], HIGH, LOW, 1);
 +      }
 +
 +      letter--;
 +      x -= width;
 +    }
 +
 +    matrix.write(); // Send bitmap to display
 +
 +    delay(wait);
 +  }
 +}
 +
 +
 +</code>
 +
 +  * Otros enlaces: [[https://www.youtube.com/watch?v=CI9DBJKcKeU&ab_channel=G6EJD-David|video]]
 +  * [[https://github.com/G6EJD/ESP8266-Remote-Message-Board|github]]
 +
personas/johnny/proyectos/matrices-led.1634407659.txt.gz · Última modificación: 2021/10/16 18:07 por kz