Using ezTime with nodemcu-32s w/64x32 HUb75 LED Matrix

[heffnerm2]

I've got it able to display time dma_display->print(myTZ.dateTime("m-j-y")); , however i cannot get it to update the string in real time. I tried
if (secondChanged()) { dma_display->print(myTZ.dateTime("m-j-y")); } and it overwrites the initial display ever second without erasing the original.

How can i get it to "replace' the original digits with the new ones?

Thanks

[Pius171]

I will need to see more of your code, in order to help. Have you tried printing to the serial monitor, to see if the time changes?

[heffnerm2]

Serial monitor doesn't change. Here's whole code:

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//#include //#include "sntp.h" //#include "time.h"

//Configuration const int panelResX = 64; // Number of pixels wide of each INDIVIDUAL panel module. const int panelResY = 32; // Number of pixels tall of each INDIVIDUAL panel module. const int panel_chain = 1; // Total number of panels chained one to another

//bool secondChanged();

define myTZ_POSIX TZ= EST -5 EDT ,M3 .5 .0 /2 ,m10 .5 .0 /3

//bool enableHeater = false; //uint8_t loopCnt = 0;

//Adafruit_SHT31 sht31 = Adafruit_SHT31();

char ssid[] = "PZRG4"; char pass[] = "erica610";

//float Ct = sht31.readTemperature(); //float Ih = sht31.readHumidity(); //float It = (Ct*1.8)+32;

MatrixPanel_I2S_DMA *dma_display = nullptr;

Timezone myTZ;

uint16_t myBLACK = dma_display->color565(0, 0, 0); uint16_t myWHITE = dma_display->color565(255, 255, 255); uint16_t myRED = dma_display->color565(255, 0, 0); uint16_t myGREEN = dma_display->color565(0, 255, 0); uint16_t myBLUE = dma_display->color565(0, 0, 255);

const int defaultBrightness = (40*255)/100; // full (100%) brightness

int16_t xOne, yOne; uint16_t w, h;

void displaySetup() {

HUB75_I2S_CFG mxconfig( panelResX, // module width panelResY, // module height panel_chain // Chain length );

// If you are using a 64x64 matrix you need to pass a value for the E pin // The trinity connects GPIO 18 to E. // This can be commented out for any smaller displays (but should work fine with it) //mxconfig.gpio.e = 18;

// May or may not be needed depending on your matrix // Example of what needing it looks like: // https://github.com/mrfaptastic/ESP32-HUB75-MatrixPanel-I2S-DMA/issues/134#issuecomment-866367216 mxconfig.clkphase = false;

// Some matrix panels use different ICs for driving them and some of them have strange quirks. // If the display is not working right, try this. //mxconfig.driver = HUB75_I2S_CFG::FM6126A;

dma_display = new MatrixPanel_I2S_DMA(mxconfig); dma_display->begin(); }

void setup() {

Serial.begin(115200);

WiFi.begin("PZRG4", "erica610");

/*

• Serial.println("SHT31 test"); if (! sht31.begin(0x44)) { // Set to 0x45 for alternate i2c addr Serial.println("Couldn't find SHT31"); while (1) delay(1); } */

  waitForSync();

  while (WiFi.status() != WL_CONNECTED) { Serial.print("."); delay(1000); }

  Serial.print("Attempting to connect to Network named: "); Serial.println(ssid); // print the network name (SSID);

  Serial.println(""); IPAddress ip = WiFi.localIP(); Serial.print("IP Address: "); Serial.println(ip);

  /* // Set NTP polling interval to 60 seconds. Way too often, but good for demonstration purposes. setInterval(60);

  // Make ezTime show us what it is doing setDebug(INFO);*/

  myTZ.setLocation(F("America/New_York")); Serial.println (F("New York: ")); Serial.println (myTZ.dateTime ("j-m-y h:i:s A T"));

  displaySetup();

  dma_display->clearScreen(); dma_display->fillScreen(myBLACK);

  dma_display->setTextSize(1); // size == 8 pixels high dma_display->setTextWrap(false); // N.B!! Don't wrap at end of line

  // Pointers to this variable will be passed into getTextBounds, // they will be updated from inside the method

  dma_display->getTextBounds("1234567890", 0, 0, &xOne, &yOne, &w, &h); int xPosition = dma_display->width() / 2 - w / 2 + 1; dma_display->setCursor(xPosition, 0); dma_display->setTextColor(myBLUE); dma_display->print("33f 45%");

  dma_display->getTextBounds("72F 50%", 0, 0, &xOne, &yOne, &w, &h); xPosition = dma_display->width() / 2 - w / 2 + 1; dma_display->setCursor(xPosition, 8); dma_display->setTextColor(myGREEN); dma_display->print("73f 45%");

/ dma_display->getTextBounds("11:15:11am", 0, 0, &xOne, &yOne, &w, &h); xPosition = dma_display->width() / 2 - w / 2 + 1; dma_display->setCursor(xPosition, 16); dma_display->setTextColor(myWHITE); dma_display->print(myTZ.dateTime ("g:i:sa")); / dma_display->getTextBounds("02-21-22", 0, 0, &xOne, &yOne, &w, &h); xPosition = dma_display->width() / 2 - w / 2 + 1; dma_display->setCursor(xPosition, 24); dma_display->setTextColor(myRED); dma_display->print(myTZ.dateTime ("m-j-y"));

//dma_display->fillScreen(myBLACK);

//delay(1000);

}

void loop() {

void events();{

if (secondChanged()) {

dma_display->getTextBounds("11:15:11am", 0, 0, &xOne, &yOne, &w, &h); int xPosition = dma_display->width() / 2 - w / 2 + 1; dma_display->setCursor(xPosition, 16); dma_display->setTextColor(myWHITE); dma_display->print(myTZ.dateTime ("g:i:sa")); //dma_display->print(myTZ.dateTime("m-j-y")); } }

[heffnerm2]

Centered Text 1_3_23.txt

Serial monitor doesn't change.

[Pius171]

@heffnerm2 , your void event function is inside the void loop, you can't create a function inside another function

Also, there are some errors in the void loop. Did this code compile?

[heffnerm2]

I cleaned it up, yes it does compile and run. I get the displays i expected Temp and Humidity inside and outside and time/date, but it does not update time/date

[Centered Text 1_3_23.txt] (https://github.com/ropg/ezTime/files/10339308/Centered.Text.1_3_23.txt)