Dual Max7219 Energy Display

#include <ESP8266WiFi.h>

#include <MD_MAX72xx.h>

#include <SPI.h>

#include "EspMQTTClient.h"

#include <MD_Parola.h>

#define MAX_DEVICES 8

/*

#define CLK_PIN D5 // or SCK

#define DATA_PIN D7 // or MOSI

#define CS_PIN D4 // or SS

*/

#define CLK_PIN D5

#define CS_PIN D6

#define DATA_PIN D7

#define HARDWARE_TYPE MD_MAX72XX::FC16_HW

#include "Font_Data.h"

MD_Parola P = MD_Parola(HARDWARE_TYPE, CS_PIN, MAX_DEVICES);

const uint8_t MESG_SIZE = 255;

char curMessage[MESG_SIZE];

char newMessage[MESG_SIZE];

char curMessage1[MESG_SIZE];

char newMessage1[MESG_SIZE];

bool newMessageAvailable = false;

#define SPEED_TIME 0

#define PAUSE_TIME 0

EspMQTTClient client(

"Tenda_Spike",

"johanveerle22",

"192.168.1.19", // MQTT Broker server ip

"spike", // Can be omitted if not needed

"1234", // Can be omitted if not needed

"MAX7219_DISPLAY4 verbruik", // Client name that uniquely identify your device

1883 // The MQTT port, default to 1883. this line can be omitted

);

void setup()

{

Serial.begin(115200);

curMessage[0] = newMessage[0] = '\0';

sprintf(curMessage, "Spike");

sprintf(curMessage1, "Tech");

// Initialising the UI will init the display too.

P.begin(2);//2 zones

P.setZone(0, 0, 3); // zone 0 eerste 4 modules van rechts

P.setZone(1, 4, 7); //zone 1 module 5tem8 (linkerkant

P.displayAnimate();

P.setIntensity (0,1);

P.setIntensity (1,15); // Rode display is veel intenser dan de groene vandaar dit verschil in intensiteit

P.displayZoneText(0, curMessage, PA_CENTER, SPEED_TIME, PAUSE_TIME, PA_PRINT, PA_NO_EFFECT);

P.displayZoneText(1, curMessage1, PA_CENTER, SPEED_TIME, PAUSE_TIME, PA_PRINT, PA_NO_EFFECT);

delay(1000);

}

void onConnectionEstablished()

{

client.subscribe("leddisplay1/text", [](const String & payload) { // data van NODE RED

sprintf(curMessage1, payload.c_str());

});

client.subscribe("leddisplay7/text", [](const String & payload) {

sprintf(curMessage, payload.c_str());

});

}

void loop()

{

P.displayAnimate();

client.loop();

P.displayZoneText(0, curMessage, PA_RIGHT, SPEED_TIME, PAUSE_TIME, PA_PRINT, PA_NO_EFFECT);

P.displayZoneText(1, curMessage1, PA_RIGHT, SPEED_TIME, PAUSE_TIME, PA_PRINT, PA_NO_EFFECT);

delay(500);

Serial.println(curMessage);

Serial.println(curMessage1);

P.displayReset();

}