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tecnologia:iot:panel_baterias [2022/04/28 16:52] – admintecnologia:iot:panel_baterias [2022/04/30 13:55] (current) – jose
Line 2: Line 2:
  
 Esquema de conexión: Esquema de conexión:
 +
 +^  LED  ^  ESP32  ^
 +|  VCC  |  3V3  |
 +|  GND  |  GND  |
 +|  DIN  |  G23  |
 +|  CS  |  G5  |
 +|  CLK  |  G18  |
  
  
Line 12: Line 19:
 Yo he instalado MD_Parola que te deja hacer efectos. Te dirá que tiene dependencias y le decimos que instale todas. Yo he instalado MD_Parola que te deja hacer efectos. Te dirá que tiene dependencias y le decimos que instale todas.
  
 +====== Mensaje sencillo ======
 +
 +<code>
 +#include <MD_Parola.h>
 +#include <MD_MAX72xx.h>
 +#include <WiFi.h>       
 +#include <AsyncElegantOTA.h>
 +
 +
 +// Uncomment according to your hardware type
 +#define HARDWARE_TYPE MD_MAX72XX::FC16_HW
 +//#define HARDWARE_TYPE MD_MAX72XX::GENERIC_HW
 +
 +// Defining size, and output pins
 +#define MAX_DEVICES 4
 +#define CS_PIN 5
 +
 +const char* ssid     = "mi_red_wifi";
 +const char* password = "mi_contraseña_wifi";
 +
 +IPAddress ip(192,168,1,69);     
 +IPAddress gateway(192,168,1,1);   
 +IPAddress subnet(255,255,255,0); 
 +IPAddress dns(8,8,8,8);
 +
 +AsyncWebServer server(80);
 +
 +MD_Parola Display = MD_Parola(HARDWARE_TYPE, CS_PIN, MAX_DEVICES);
 +
 +void setup() {
 + 
 +  Display.begin();
 +  Display.setIntensity(0);
 +  Display.displayClear();
 +  Serial.begin(115200);
 +  delay(10);
 +  Serial.println('\n');
 +  
 +  WiFi.begin(ssid, password);
 +  WiFi.config(ip, gateway, subnet, dns);
 +  Serial.print("Connecting to ");
 +  Serial.print(ssid);
 +
 +  while (WiFi.status() != WL_CONNECTED) {
 +    delay(500);
 +    Serial.print('.');
 +  }
 +
 +  Serial.println('\n');
 +  Serial.println("Connection established!");  
 +  Serial.print("IP address:\t");
 +  Serial.println(WiFi.localIP());
 +
 +  server.on("/", HTTP_GET, [](AsyncWebServerRequest *request) {
 +    request->send(200, "text/plain", "V1.0 Prueba Panel Led");
 +  });
 +  
 +  
 +  AsyncElegantOTA.begin(&server);
 +  server.begin();
 +  Serial.println("HTTP server started");
 +  Display.print("V 1.0");
 +  delay(1000);
 +
 +}
 +
 +void loop() {
 +
 +    Display.setTextAlignment(PA_LEFT);
 +    Display.print("Hola");
 +    delay(10000);
 +}
 +</code>
 +
 +Explicación código:
 +
 +Número de paneles:
 +  #define MAX_DEVICES 4
 +Alineamiento y lo que queremos escribir.
 +    Display.setTextAlignment(PA_LEFT);
 +    Display.print("Hola");
 +
 +
 +====== SCROLL ======
 +Escribe lo que le pongas en el serial:
 +<code>
 +// Use the Parola library to scroll text on the display
 +//
 +// Demonstrates the use of the scrolling function to display text received
 +// from the serial interface
 +//
 +// User can enter text on the serial monitor and this will display as a
 +// scrolling message on the display.
 +// Speed for the display is controlled by a pot on SPEED_IN analog in.
 +// Scrolling direction is controlled by a switch on DIRECTION_SET digital in.
 +// Invert ON/OFF is set by a switch on INVERT_SET digital in.
 +//
 +// UISwitch library can be found at https://github.com/MajicDesigns/MD_UISwitch
 +//
 +// NOTE: MD_MAX72xx library must be installed and configured for the LED
 +// matrix type being used. Refer documentation included in the MD_MAX72xx
 +// library or see this link:
 +// https://majicdesigns.github.io/MD_MAX72XX/page_hardware.html
 +//
 +
 +#include <MD_Parola.h>
 +#include <MD_MAX72xx.h>
 +
 +
 +
 +// Define the number of devices we have in the chain and the hardware interface
 +// NOTE: These pin numbers will probably not work with your hardware and may
 +// need to be adapted
 +#define MAX_DEVICES 4
 +//#define CLK_PIN   13
 +//#define DATA_PIN  11
 +#define CS_PIN    5
 +#define HARDWARE_TYPE MD_MAX72XX::FC16_HW
 +
 +// HARDWARE SPI
 +MD_Parola P = MD_Parola(HARDWARE_TYPE,CS_PIN, MAX_DEVICES);
 +// SOFTWARE SPI
 +//MD_Parola P = MD_Parola(DATA_PIN, CLK_PIN, CS_PIN, MAX_DEVICES);
 +
 +
 +
 +uint8_t scrollSpeed = 25;    // default frame delay value
 +textEffect_t scrollEffect = PA_SCROLL_LEFT;
 +textPosition_t scrollAlign = PA_LEFT;
 +uint16_t scrollPause = 2000; // in milliseconds
 +
 +// Global message buffers shared by Serial and Scrolling functions
 +#define  BUF_SIZE  75
 +char curMessage[BUF_SIZE] = { "" };
 +char newMessage[BUF_SIZE] = { "Hello! Enter new message?" };
 +bool newMessageAvailable = true;
 +
 +
 +
 +void readSerial(void)
 +{
 +  static char *cp = newMessage;
 +
 +  while (Serial.available())
 +  {
 +    *cp = (char)Serial.read();
 +    if ((*cp == '\n') || (cp - newMessage >= BUF_SIZE-2)) // end of message character or full buffer
 +    {
 +      *cp = '\0'; // end the string
 +      // restart the index for next filling spree and flag we have a message waiting
 +      cp = newMessage;
 +      newMessageAvailable = true;
 +    }
 +    else  // move char pointer to next position
 +      cp++;
 +  }
 +}
 +
 +void setup()
 +{
 +  Serial.begin(115200);
 +  Serial.print("\n[Parola Scrolling Display]\nType a message for the scrolling display\nEnd message line with a newline");
 +
 +
 +  P.begin();
 +  P.displayText(curMessage, scrollAlign, scrollSpeed, scrollPause, scrollEffect, scrollEffect);
 +}
 +
 +void loop()
 +{
 +
 +
 +  if (P.displayAnimate())
 +  {
 +    if (newMessageAvailable)
 +    {
 +      strcpy(curMessage, newMessage);
 +      newMessageAvailable = false;
 +    }
 +    P.displayReset();
 +  }
 +  readSerial();
 +}
 +
 +</code>
 +
 +===== Mensaje de **conectando a wifi** mientras conecta =====
 +
 +<code>
 +#include <MD_Parola.h>
 +#include <MD_MAX72xx.h>
 +#include <WiFi.h>       
 +#include <AsyncElegantOTA.h>
 +
 +
 +// Uncomment according to your hardware type
 +#define HARDWARE_TYPE MD_MAX72XX::FC16_HW
 +//#define HARDWARE_TYPE MD_MAX72XX::GENERIC_HW
 +
 +// Defining size, and output pins
 +#define MAX_DEVICES 4
 +#define CS_PIN 5
 +
 +const char* ssid     = "mi_red_wifi";
 +const char* password = "mi_contraseña_wifi";
 +
 +IPAddress ip(192,168,1,69);     
 +IPAddress gateway(192,168,1,1);   
 +IPAddress subnet(255,255,255,0); 
 +IPAddress dns(8,8,8,8);
 +
 +AsyncWebServer server(80);
 +
 +MD_Parola Display = MD_Parola(HARDWARE_TYPE, CS_PIN, MAX_DEVICES);
 +
 +
 +void setup() {
 +  Display.begin();
 +  Display.setIntensity(0);
 +  Display.displayClear();
 +  Display.displayScroll("CONECTANDO WIFI", PA_CENTER, PA_SCROLL_LEFT, 25);
 +
 +  Serial.begin(115200);
 +  delay(10);
 +  Serial.println('\n');
 +  
 +  WiFi.begin(ssid, password);
 +  WiFi.config(ip, gateway, subnet, dns);
 +  Serial.print("Connecting to ");
 +  Serial.print(ssid);
 +
 +  while (WiFi.status() != WL_CONNECTED) {
 +    if (Display.displayAnimate()) {
 +    Display.displayReset();
 +  } 
 +  }
 +
 +  Serial.println('\n');
 +  Serial.println("Connection established!");  
 +  Serial.print("IP address:\t");
 +  Serial.println(WiFi.localIP());
 +
 +  server.on("/", HTTP_GET, [](AsyncWebServerRequest *request) {
 +    request->send(200, "text/plain", "V1.0 Prueba Panel Led");
 +  });
 +  
 +  
 +  AsyncElegantOTA.begin(&server);
 +  server.begin();
 +  Serial.println("HTTP server started");
 +  delay(1000);
 +
 +
 +    
 +
 +}
 +
 +
 +void loop() {
 +}
 +
 +</code>
 +
 +===== Muestra la IP una vez conectado =====
 +
 +
 +<code>
 +#include <MD_Parola.h>
 +#include <MD_MAX72xx.h>
 +#include <WiFi.h>       
 +#include <AsyncElegantOTA.h>
 +
 +
 +// Uncomment according to your hardware type
 +#define HARDWARE_TYPE MD_MAX72XX::FC16_HW
 +//#define HARDWARE_TYPE MD_MAX72XX::GENERIC_HW
 +
 +// Defining size, and output pins
 +#define MAX_DEVICES 4
 +#define CS_PIN 5
 +
 +const char* ssid     = "mi_red_wifi";
 +const char* password = "mi_contraseña_wifi";
 +
 +IPAddress ip(192,168,1,69);     
 +IPAddress gateway(192,168,1,1);   
 +IPAddress subnet(255,255,255,0); 
 +IPAddress dns(8,8,8,8);
 +
 +AsyncWebServer server(80);
 +
 +MD_Parola Display = MD_Parola(HARDWARE_TYPE, CS_PIN, MAX_DEVICES);
 +String my_ip;
 +
 +void setup() {
 +  Display.begin();
 +  Display.setIntensity(0);
 +  Display.displayClear();
 +  Display.displayScroll("CONECTANDO WIFI", PA_CENTER, PA_SCROLL_LEFT, 25);
 +
 +  Serial.begin(115200);
 +  delay(10);
 +  Serial.println('\n');
 +  
 +  WiFi.begin(ssid, password);
 +  WiFi.config(ip, gateway, subnet, dns);
 +  Serial.print("Connecting to ");
 +  Serial.print(ssid);
 +
 +  while (WiFi.status() != WL_CONNECTED) {
 +    if (Display.displayAnimate()) {
 +    Display.displayReset();
 +  } 
 +  }
 +
 +  Serial.println('\n');
 +  Serial.println("Connection established!");  
 +  Serial.print("IP address:\t");
 +  Serial.println(WiFi.localIP());
 +
 +  server.on("/", HTTP_GET, [](AsyncWebServerRequest *request) {
 +    request->send(200, "text/plain", "V1.0 Prueba Panel Led");
 +  });
 +  
 +  
 +  AsyncElegantOTA.begin(&server);
 +  server.begin();
 +  Serial.println("HTTP server started");
 +  delay(1000);
 +
 +  my_ip = WiFi.localIP().toString();
 +  Serial.println(my_ip);
 +
 +  Display.displayClear();
 +  Display.displayScroll(my_ip.c_str(), PA_CENTER, PA_SCROLL_LEFT, 25);
 +  
 +  while(true){
 +    if (Display.displayAnimate()) {
 +      Display.displayReset();
 +      break;
 +    }
 +  }
 +}
 +
 +
 +void loop() {
 +
 +    Display.setTextAlignment(PA_LEFT);
 +    Display.print("Hola");
 +    delay(10000);
 +
 +}
 +
 +
 +</code>
 +
 +Si cambiamos la parte del while por esto, lo muestra 2 veces
 +<code>
 +  for (int muestra_ip = 1; muestra_ip <= 2; muestra_ip++) {
 +    while (true) {  
 +      if (Display.displayAnimate()) {
 +        Display.displayReset();
 +      break;
 +      }  
 +    }
 +  }
 +</code>
 +
 +===== Muestra mensaje leido de internet =====
 +Lee el texto que le indicamos en la web que tengamos en:
 +  serverPath = "http://bateriaseko.lobo99.com/prueba_led";
 +
 +Al leer la cadena le pone un símbolo raro al final solo en la pantalla led, en el serial monitor no.
 +
 +Le quitamos el último carácter con:
 +  payload.substring(0,strlen(payload.c_str())-1)
 +
 +<code>
 +#include <MD_Parola.h>
 +#include <MD_MAX72xx.h>
 +#include <SPI.h>
 +#include <WiFi.h>        // Include the Wi-Fi library
 +#include <HTTPClient.h>
 +#include <ESPAsyncWebServer.h>
 +#include <AsyncElegantOTA.h>
 +
 +
 +// Uncomment according to your hardware type
 +#define HARDWARE_TYPE MD_MAX72XX::FC16_HW
 +//#define HARDWARE_TYPE MD_MAX72XX::GENERIC_HW
 +
 +// Defining size, and output pins
 +#define MAX_DEVICES 4
 +#define CS_PIN 5
 +
 +const char* ssid     = "mi_red_wifi";
 +const char* password = "mi_contraseña_wifi";
 +
 +IPAddress ip(192,168,1,69);     
 +IPAddress gateway(192,168,1,1);   
 +IPAddress subnet(255,255,255,0); 
 +IPAddress dns(8,8,8,8);
 +
 +AsyncWebServer server(80);
 +
 +const int lectura=5;
 +String power="";
 +
 +String serverPath = "http://bateriaseko.lobo99.com/prueba_led";
 +
 +MD_Parola Display = MD_Parola(HARDWARE_TYPE, CS_PIN, MAX_DEVICES);
 +
 +void setup() {
 + 
 +  Display.begin();
 +  Display.setIntensity(0);
 +  Display.displayClear();
 +  Serial.begin(115200);
 +  delay(10);
 +  Serial.println('\n');
 +  
 +  WiFi.begin(ssid, password);
 +  WiFi.config(ip, gateway, subnet, dns);
 +  Serial.print("Connecting to ");
 +  Serial.print(ssid);
 +
 +  while (WiFi.status() != WL_CONNECTED) {
 +    delay(500);
 +    Serial.print('.');
 +  }
 +
 +  Serial.println('\n');
 +  Serial.println("Connection established!");  
 +  Serial.print("IP address:\t");
 +  Serial.println(WiFi.localIP());
 +  
 +  server.on("/", HTTP_GET, [](AsyncWebServerRequest *request) {
 +    request->send(200, "text/plain", "V1.0 lee el valor de http://bateriaseko.lobo99.com/prueba_led");
 +  });
 +  
 +  
 +  AsyncElegantOTA.begin(&server);
 +  server.begin();
 +  Serial.println("HTTP server started");
 +  Display.print("V 1.0");
 +  delay(1000);
 +
 +}
 +
 +void loop() {
 +    AsyncElegantOTA.loop();
 +
 +    Display.setTextAlignment(PA_LEFT);
 +
 +
 +    if(WiFi.status()== WL_CONNECTED){
 +      HTTPClient http;
 +      
 +      // Your Domain name with URL path or IP address with path
 +      http.begin(serverPath.c_str());
 +      
 +      // Send HTTP GET request
 +      int httpResponseCode = http.GET();
 +      
 +      if (httpResponseCode>0) {
 +        Serial.print("HTTP Response code: ");
 +        Serial.println(httpResponseCode);
 +        String payload = http.getString();
 +        Serial.println(String(payload.toInt()));
 +        
 +        Serial.println(strlen(payload.c_str()));
 +
 +        Display.setTextAlignment(PA_CENTER);
 +        Display.print(payload.substring(0,strlen(payload.c_str())-1));
 +        delay(1000);  
 +      }
 +      else {
 +        Serial.print("Error code: ");
 +        Serial.println(httpResponseCode);
 +      }
 +      // Free resources
 +      http.end();
 +    }
 +    else {
 +      Serial.println("WiFi Disconnected");
 +    }
 +
 +}
 +</code>
 +
 +===== Muestra mensaje leido de internet con scroll =====
 +<code>
 +#include <MD_Parola.h>
 +#include <MD_MAX72xx.h>
 +#include <SPI.h>
 +#include <WiFi.h>        // Include the Wi-Fi library
 +#include <HTTPClient.h>
 +#include <ESPAsyncWebServer.h>
 +#include <AsyncElegantOTA.h>
 +
 +
 +// Uncomment according to your hardware type
 +#define HARDWARE_TYPE MD_MAX72XX::FC16_HW
 +//#define HARDWARE_TYPE MD_MAX72XX::GENERIC_HW
 +
 +// Defining size, and output pins
 +#define MAX_DEVICES 4
 +#define CS_PIN 5
 +
 +const char* ssid     = "mi_red_wifi";
 +const char* password = "mi_contraseña_wifi";
 +
 +IPAddress ip(192,168,1,91);     
 +IPAddress gateway(192,168,1,1);   
 +IPAddress subnet(255,255,255,0); 
 +IPAddress dns(8,8,8,8);
 +
 +AsyncWebServer server(80);
 +
 +String mensaje="";
  
 +String serverPath = "http://mensaje.lobo99.com/mensaje.txt";
  
  
 +MD_Parola Display = MD_Parola(HARDWARE_TYPE, CS_PIN, MAX_DEVICES);
  
 +void setup() {
 + 
 +  Display.begin();
 +  Display.setIntensity(0);
 +  Display.displayClear();
 +  String mensaje = "Conectando WIFI: " + String(ssid);
 +  Display.displayScroll(mensaje.c_str(), PA_CENTER, PA_SCROLL_LEFT, 25);
 +    
 +  Serial.begin(115200);         // Start the Serial communication to send messages to the computer
 +  delay(10);
 +  Serial.println('\n');
 +  
 +  WiFi.begin(ssid, password);             // Connect to the network
 +  WiFi.config(ip, gateway, subnet, dns);
 +  Serial.print("Connecting to ");
 +  Serial.print(ssid);
  
 +  while (WiFi.status() != WL_CONNECTED) { // Wait for the Wi-Fi to connect
 +    if (Display.displayAnimate()) {
 +      Display.displayReset();
 +    } 
 +  }
  
 +  Serial.println('\n');
 +  Serial.println("Connection established!");  
 +  Serial.print("IP address:\t");
 +  Serial.println(WiFi.localIP());         // Send the IP address of the ESP8266 to the 
  
 +  server.on("/", HTTP_GET, [](AsyncWebServerRequest *request) {
 +    request->send(200, "text/plain", "V1.0 http://mensaje.lobo99.com/mensaje.txt");
 +  });
 +  
 +  
 +  AsyncElegantOTA.begin(&server);    // Start AsyncElegantOTA
 +  server.begin();
 +  Serial.println("HTTP server started");
 +  Display.print("V 1.0");
 +  delay(1000);
  
 +        //Display.displayScroll(payload.c_str(), PA_CENTER, PA_SCROLL_LEFT, 25);
 +Display.setTextAlignment(PA_CENTER);
 +Display.displayScroll("hola", PA_CENTER, PA_SCROLL_LEFT, 25);
 +}
  
 +void loop() {
 +  AsyncElegantOTA.loop();
 +      
 +  if(WiFi.status()== WL_CONNECTED){
  
 +      HTTPClient http;
 +      
 +      // Your Domain name with URL path or IP address with path
 +      http.begin(serverPath.c_str());
 +            
 +      
 +      // Send HTTP GET request
 +      int httpResponseCode = http.GET();
 +      
 +      if (httpResponseCode>0) {
 +        Serial.print("HTTP Response code: ");
 +        Serial.println(httpResponseCode);
 +        String payload = http.getString();
  
 +        Serial.println(payload);
 +        const char* mensaje=payload.c_str();
 +        Serial.println(mensaje);
 +        Display.displayClear();
 +        Display.displayScroll(mensaje, PA_CENTER, PA_SCROLL_LEFT, 25);
 +        
 +        while(!Display.displayAnimate())
 +        {
 +          Serial.println("while");     
 +        }
 +      }
 +      else {
 +        Serial.print("Error code: ");
 +        Serial.println(httpResponseCode);
 +      }
 +      // Free resources
 +      http.end();
 +  }
 +  else {
 +    Serial.println("WiFi Disconnected");
 +  }
 +}
 +</code>
tecnologia/iot/panel_baterias.1651164769.txt.gz · Last modified: by admin