4. Display Module 13.2 with PoE BASE (v12)

Display Module 13.2 with PoE BASE (v12)

  • B

    Hey I have the Display Module 13.2, and whilst I have gotten the output to work, I can't get ethernet to work at the same time. If I fire up ethernet at the start of sketch it is all working, but as soon as I run this command "M5.begin(cfg);" to start the display, ethernet no longer has IP address and no longer functions.

    Any help appreciated.

    #include <Arduino.h>
    #include <M5ModuleDisplay.h>
    #include <M5Unified.h>
    #include <SPI.h>
    #include <Ethernet2.h>
    #define SCK 18
    #define MISO 19
    #define MOSI 23
    #define CS 26

    byte mac[] = { 0xAA, 0x4D, 0xBE, 0xEF, 0xFE, 0xED };
    int udpPort = 9090;

    void setup() {
    auto cfg = M5.config();

    SPI.begin(SCK, MISO, MOSI, -1);
    Ethernet.init(CS);
    Ethernet.begin(mac);

    Serial.begin(115200); // Initialize serial communication
    Serial.println(" ");
    Serial.print("Local IP ");
    Serial.println(Ethernet.localIP());
    Serial.print("Gateway ");
    Serial.println(Ethernet.gatewayIP());

    cfg.external_speaker.module_display = true;
cfg.external_display.module_display = true;

    Serial.println(" ");
    Serial.print("Local IP ");
    Serial.println(Ethernet.localIP());
    Serial.print("Gateway ");
    Serial.println(Ethernet.gatewayIP());

    // If you want to change the resolution, uncomment the following lines and
// adjust the values
  cfg.module_display.logical_width = 640;
  cfg.module_display.logical_height = 360;
  cfg.module_display.refresh_rate = 50;

    Serial.println(" ");
    Serial.print("Local IP ");
    Serial.println(Ethernet.localIP());
    Serial.print("Gateway ");
    Serial.println(Ethernet.gatewayIP());

    M5.begin(cfg);

    Serial.println(" ");
    Serial.print("Local IP ");
    Serial.println(Ethernet.localIP());
    Serial.print("Gateway ");
    Serial.println(Ethernet.gatewayIP());

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  • Hello @BTSPERTH

    the display module schematic shows GPIO26 - BUS_G26 - F_G26 connected to BANK1 which would mean there is a conflict with Ethernet CS.

    Thanks
    Felix

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