P5 Outdoor Chain Panel

[voleminhtripro]

Has anyone been able to control two P5 Outdoor LED panels arranged vertically?
It only works on LED panel 1, but LED panel 2 doesn't display any data. I'm sure the signal cables are connected correctly.

[voleminhtripro]

#include <Arduino.h>
#include <ESP32-HUB75-VirtualMatrixPanel_T.hpp>

#define PANEL_RES_X 64 // Number of pixels wide of each INDIVIDUAL panel module.
#define PANEL_RES_Y 32 // Number of pixels tall of each INDIVIDUAL panel module.

#define VDISP_NUM_ROWS 2 // Number of rows of individual LED panels
#define VDISP_NUM_COLS 1 // Number of individual LED panels per row

#define PANEL_CHAIN_LEN 2 // Don't change

#define PANEL_CHAIN_TYPE CHAIN_TOP_RIGHT_DOWN

#define PANEL_SCAN_TYPE FOUR_SCAN_32PX_HIGH

MatrixPanel_I2S_DMA* dma_display = nullptr;

using MyScanTypeMapping = ScanTypeMapping<PANEL_SCAN_TYPE>;

VirtualMatrixPanel_T<PANEL_CHAIN_TYPE, MyScanTypeMapping>* virtualDisp = nullptr;

void setup() {
Serial.begin(115200);

HUB75_I2S_CFG mxconfig(
PANEL_RES_X * 2, // DO NOT CHANGE THIS
PANEL_RES_Y / 2, // DO NOT CHANGE THIS
PANEL_CHAIN_LEN);

mxconfig.i2sspeed = HUB75_I2S_CFG::HZ_20M;
mxconfig.clkphase = false;
//mxconfig.driver = HUB75_I2S_CFG::FM6126A;

dma_display = new MatrixPanel_I2S_DMA(mxconfig);
dma_display->begin();
dma_display->setBrightness8(128); //0-255
dma_display->clearScreen();

virtualDisp = new VirtualMatrixPanel_T<PANEL_CHAIN_TYPE, MyScanTypeMapping>(

VDISP_NUM_ROWS,
VDISP_NUM_COLS,
PANEL_RES_X,
PANEL_RES_Y);

virtualDisp->setDisplay(*dma_display);

for (int y = 0; y < virtualDisp->height(); y++) {
for (int x = 0; x < virtualDisp->width(); x++) {

  uint16_t color = virtualDisp->color565(96, 0, 0);  // red

  if (x == 0) color = virtualDisp->color565(0, 255, 0);                           // g
  if (x == (virtualDisp->width() - 1)) color = virtualDisp->color565(0, 0, 255);  // b

  virtualDisp->drawPixel(x, y, color);
  delay(1);
}

}

delay(100);
virtualDisp->clearScreen();
virtualDisp->drawDisplayTest(); // re draw text numbering on each screen to check connectivity
Serial.println(virtualDisp->height());
Serial.println(virtualDisp->width());
virtualDisp->setCursor(5, 6);
virtualDisp->setTextColor(dma_display->color565(255, 0, 0));
virtualDisp->println("Con Cac");
}

void loop() {

// Do nothing here.
delay(100);
}

[voleminhtripro]

It only works on LED panel 1, but LED panel 2 doesn't display any data. I'm sure the signal cables are connected correctly.