Fixes a few typos, panel resolutions and formatting

FAQ.md

@@ -118,7 +118,7 @@ For more details check out the [SDCardTest Example](/examples/TrinityFeatures/SD
 
 ### My colours are mixed up/not right
 
-Well thats not technically a question, but I get you!
+Well that's not technically a question, but I get you!
 
 Some matrix panels have some of the colour channels swapped around for some reason. The most common one I've seen is Blue and Green mixed, which seems to lead to a lot of purple images.
 
@@ -140,7 +140,7 @@ I have not tried, but the I2S Matrix library doesn't seem to support it by defau
 
 "Trinity" has a lot of significance for Irish people.
 
-The Trinity Knots symbol is something from Irish/Celtic history and is instantly recognizable as a symbol of Ireland. There are examples of artifacts dating back to the 8th century with Trinity Knots on them.
+The Trinity Knots symbol is something from Irish/Celtic history and is instantly recognizable as a symbol of Ireland. There are examples of artefacts dating back to the 8th century with Trinity Knots on them.
 
 The Ireland national symbol is the shamrock, one of the main significances of the shamrock is a way to represent the Christian Holy Trinity. It's said that St Patrick used a shamrock to represent the Holy Trinity when he came to bring Christianity to Ireland.
 

examples/Basics/ColourTest/ColourTest.ino

@@ -39,13 +39,13 @@
 // Can be installed from the library manager
 // https://github.com/adafruit/Adafruit-GFX-Library
 
-// -------------------------------------
+// --------------------------------
 // -------   Matrix Config   ------
-// -------------------------------------
+// --------------------------------
 
-const int panelResX = 64;      // Number of pixels wide of each INDIVIDUAL panel module.
-const int panelResY = 64;     // Number of pixels tall of each INDIVIDUAL panel module.
-const int panel_chain = 1;      // Total number of panels chained one to another
+const int panelResX = 64;   // Number of pixels wide of each INDIVIDUAL panel module.
+const int panelResY = 64;   // Number of pixels tall of each INDIVIDUAL panel module.
+const int panel_chain = 1;  // Total number of panels chained one to another.
 
 // See the "displaySetup" method for more display config options
 
@@ -61,9 +61,9 @@ uint16_t myBLUE = dma_display->color565(0, 0, 255);
 
 void displaySetup() {
   HUB75_I2S_CFG mxconfig(
-    panelResX,   // module width
-    panelResY,   // module height
-    panel_chain    // Chain length
+    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
@@ -92,11 +92,11 @@ void setup() {
   displaySetup();
 
   // Can be set between 0 and 255
-  // WARNING: The birghter it is, the more power it uses
+  // WARNING: The brighter it is, the more power it uses
   // Could take up to 3A on full brightness
   dma_display->setBrightness8(100); //0-255
 
-  
+
   dma_display->clearScreen();
   dma_display->fillScreen(myWHITE);
 

examples/Basics/HelloWorld/HelloWorld.ino

@@ -1,5 +1,4 @@
 /*******************************************************************
-
     A simple example showing different size fonts in different colours
 
     Parts Used:
@@ -8,14 +7,13 @@
     If you find what I do useful and would like to support me,
     please consider becoming a sponsor on Github
     https://github.com/sponsors/witnessmenow/
-    
+
     Written by Brian Lough
       YouTube: https://www.youtube.com/brianlough
       Tindie: https://www.tindie.com/stores/brianlough/
       Twitter: https://twitter.com/witnessmenow
  *******************************************************************/
 
-
 // ----------------------------
 // Additional Libraries - each one of these will need to be installed.
 // ----------------------------
@@ -35,20 +33,20 @@
 // Can be installed from the library manager
 // https://github.com/adafruit/Adafruit-GFX-Library
 
-// -------------------------------------
+// --------------------------------
 // -------   Matrix Config   ------
-// -------------------------------------
+// --------------------------------
 
-const int panelResX = 64;      // Number of pixels wide of each INDIVIDUAL panel module. 
-const int panelResY = 64;     // Number of pixels tall of each INDIVIDUAL panel module.
-const int panel_chain = 1;      // Total number of panels chained one to another
+const int panelResX = 64;   // Number of pixels wide of each INDIVIDUAL panel module.
+const int panelResY = 64;   // Number of pixels tall of each INDIVIDUAL panel module.
+const int panel_chain = 1;  // Total number of panels chained one to another.
 
 // Note about chaining panels:
 // By default all matrix libraries treat the panels as been connected horizontally
 // (one long display). The I2S Matrix library supports different display configurations
-// Details here: 
+// Details here:
 
-// See the setup method for more display config options
+// See the "displaySetup" method for more display config options
 
 //------------------------------------------------------------------------------------------------------------------
 
@@ -62,16 +60,16 @@ uint16_t myBLUE = dma_display->color565(0, 0, 255);
 
 void displaySetup() {
   HUB75_I2S_CFG mxconfig(
-    panelResX,   // module width
-    panelResY,   // module height
-    panel_chain    // Chain length
+    panelResX,   // Module width
+    panelResY,   // Module height
+    panel_chain  // Chain length
   );
 
   // This is how you enable the double buffer.
   // Double buffer can help with animation heavy projects
   // It's not needed for something simple like this, but some
   // of the other examples make use of it.
-  
+
   //mxconfig.double_buff = true;
 
   // If you are using a 64x64 matrix you need to pass a value for the E pin
@@ -99,11 +97,11 @@ void setup() {
   Serial.begin(115200);
 
   displaySetup();
-  
+
   dma_display->clearScreen();
   dma_display->fillScreen(myBLACK);
   dma_display->setTextWrap(false);
-  
+
   dma_display->setTextSize(1);     // size 1 == 8 pixels high
   dma_display->setTextColor(myBLUE);
   dma_display->setCursor(0, 0);

examples/Basics/PanelChecker/PanelChecker.ino

@@ -6,7 +6,7 @@
     Usage:
     On startup touch none/either/both of the built-in touch pads of the Trinity
     to enable different modes
-    
+
     T8:
     Not Touched -> clkphase defaults to true
     Touched -> mxconfig.clkphase = false;
@@ -50,13 +50,13 @@
 // Can be installed from the library manager
 // https://github.com/adafruit/Adafruit-GFX-Library
 
-// -------------------------------------
+// --------------------------------
 // -------   Matrix Config   ------
-// -------------------------------------
+// --------------------------------
 
-const int panelResX = 64;      // Number of pixels wide of each INDIVIDUAL panel module.
-const int panelResY = 64;     // Number of pixels tall of each INDIVIDUAL panel module.
-const int panel_chain = 1;      // Total number of panels chained one to another
+const int panelResX = 64;   // Number of pixels wide of each INDIVIDUAL panel module.
+const int panelResY = 64;   // Number of pixels tall of each INDIVIDUAL panel module.
+const int panel_chain = 1;  // Total number of panels chained one to another.
 
 // See the "displaySetup" method for more display config options
 
@@ -72,9 +72,9 @@ uint16_t myBLUE = dma_display->color565(0, 0, 255);
 
 void displaySetup() {
   HUB75_I2S_CFG mxconfig(
-    panelResX,   // module width
-    panelResY,   // module height
-    panel_chain    // Chain length
+    panelResX,   // Module width
+    panelResY,   // Module height
+    panel_chain  // Chain length
   );
 
 
@@ -96,7 +96,6 @@ void displaySetup() {
 
   mxconfig.gpio.e = 18;
 
-
 
   if (touch8detected) {
     // May or may not be needed depending on your matrix
@@ -123,7 +122,7 @@ void setup() {
 
   displaySetup();
 
-    dma_display->clearScreen();
+  dma_display->clearScreen();
   dma_display->fillScreen(myBLACK);
   dma_display->setTextWrap(false);
 

examples/BoardTest/BoardTest.ino

@@ -1,7 +1,7 @@
 /*******************************************************************
     The test sketch that was ran on every Trinity during testing.
 
-    It is a cobination of some of the other examples:
+    It is a combination of some of the other examples:
       - Hello World
       - Colour Test (just the white part)
       - Falling Sand
@@ -61,25 +61,25 @@ bool changeDriver = true;
 // Can be installed from the library manager
 // https://github.com/adafruit/Adafruit-GFX-Library
 
-// -------------------------------------
+// --------------------------------
 // -------   Matrix Config   ------
-// -------------------------------------
+// --------------------------------
 
-const int panelResX = 64;      // Number of pixels wide of each INDIVIDUAL panel module.
-const int panelResY = 64;     // Number of pixels tall of each INDIVIDUAL panel module.
-const int panel_chain = 1;      // Total number of panels chained one to another
+const int panelResX = 64;   // Number of pixels wide of each INDIVIDUAL panel module.
+const int panelResY = 64;   // Number of pixels tall of each INDIVIDUAL panel module.
+const int panel_chain = 1;  // Total number of panels chained one to another.
 
 // See the "displaySetup" method for more display config options
 
-// -------------------------------------
-// -------   Other Config Config   ------
-// -------------------------------------
+// -------------------------------
+// -------   Other Config   ------
+// -------------------------------
 
-#define TOUCH_THRESHOLD 38 // Bigger Threshold == more sensitive (resting is about 48)
+#define TOUCH_THRESHOLD 38  // Bigger Threshold == more sensitive (resting is about 48)
 
-#define SHOW_TIME 10
+#define SHOW_TIME   10
 
-#define MAX_FPS      100 // Maximum redraw rate, frames/second
+#define MAX_FPS     100  // Maximum redraw rate, frames/second
 #define DISPLAY_FPS 50
 
 //#define SHOW_FPS
@@ -249,9 +249,9 @@ bool reconfigDisplay = false;
 
 void displayReconfig() {
   HUB75_I2S_CFG mxconfig(
-    panelResX,   // module width
-    panelResY,   // module height
-    panel_chain    // Chain length
+    panelResX,   // Module width
+    panelResY,   // Module height
+    panel_chain  // Chain length
   );
 
   mxconfig.double_buff = true;
@@ -331,8 +331,8 @@ void setup() {
   //touchAttachInterrupt(T8, gotTouch8, TOUCH_THRESHOLD);
   //touchAttachInterrupt(T9, gotTouch9, TOUCH_THRESHOLD);
 
-  for (uint8_t y = 0; y < MATRIX_HEIGHT; y++) {
-    for (uint8_t x = 0; x < MATRIX_WIDTH; x++) {
+  for (uint8_t y = 0; y < panelResY; y++) {
+    for (uint8_t x = 0; x < panelResX; x++) {
       screenPixels[x][y] = 65535;
     }
   }

examples/BoardTest/FPS.h

@@ -9,7 +9,7 @@
     Written by @tetra3dprint
     Twiter: https://twitter.com/tetra3dprint
     Github: https://github.com/tetra3dprint
-    
+
  *******************************************************************/
 //------------------------------------------------------------------------------------------------------------------
 class FPS
@@ -37,11 +37,11 @@ class FPS
       FrameCount++;
       currentMillis = millis();
       passedMillis = currentMillis - startMillis;
-      if (passedMillis > oneThou) {        
+      if (passedMillis > oneThou) {
         long remainder = passedMillis - oneThou;
         startMillis = currentMillis + remainder; // already started the next 1000 millis frame
         float FPM = (float)FrameCount / (float)passedMillis;
-        FrameCount = FPM * (float)remainder; // number of frames already rendered in the next 1000 millis frame        
+        FrameCount = FPM * (float)remainder; // number of frames already rendered in the next 1000 millis frame
         FPSActual = FPM * oneThouF; // adjust the FPS to exactly 1000 millis
       }
     }

examples/BoardTest/pallet.h

@@ -1,3 +1,3 @@
-const uint8_t PROGMEM pallet[] = {/* RGB888  R,G,B,R,G,B,R,G,B,...  */  
+const uint8_t PROGMEM pallet[] = {/* RGB888  R,G,B,R,G,B,R,G,B,...  */
 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x01,0x00,0x00,0x05,0x00,0x00,0x0a,0x00,0x00,0x10,0x00,0x00,0x15,0x00,0x00,0x1b,0x00,0x00,0x20,0x00,0x00,0x25,0x00,0x00,0x2b,0x00,0x00,0x31,0x00,0x00,0x36,0x00,0x00,0x3c,0x00,0x00,0x41,0x00,0x00,0x46,0x00,0x00,0x4c,0x00,0x00,0x52,0x00,0x00,0x57,0x00,0x00,0x5d,0x00,0x00,0x62,0x00,0x00,0x68,0x00,0x00,0x6d,0x00,0x00,0x73,0x00,0x00,0x79,0x00,0x00,0x7e,0x00,0x00,0x83,0x00,0x00,0x89,0x00,0x00,0x8e,0x00,0x00,0x94,0x00,0x00,0x9a,0x00,0x00,0x9f,0x00,0x00,0xa5,0x00,0x00,0xaa,0x00,0x00,0xb0,0x00,0x00,0xb5,0x00,0x00,0xbb,0x00,0x00,0xc0,0x00,0x00,0xc6,0x00,0x00,0xcb,0x00,0x00,0xd1,0x00,0x00,0xd7,0x00,0x00,0xdc,0x00,0x00,0xe1,0x00,0x00,0xe6,0x00,0x00,0xe8,0x02,0x00,0xe9,0x08,0x00,0xe9,0x0f,0x00,0xe9,0x13,0x00,0xe9,0x16,0x00,0xe9,0x1b,0x00,0xe9,0x21,0x00,0xe9,0x26,0x00,0xe9,0x2a,0x00,0xe9,0x2e,0x00,0xe9,0x32,0x00,0xe9,0x37,0x00,0xe9,0x3b,0x00,0xe9,0x3f,0x00,0xe9,0x44,0x00,0xe9,0x4a,0x00,0xe9,0x4e,0x00,0xe9,0x52,0x00,0xe9,0x56,0x00,0xe9,0x5a,0x00,0xe9,0x5d,0x00,0xe9,0x63,0x00,0xe9,0x67,0x00,0xe9,0x6b,0x00,0xe9,0x71,0x00,0xe9,0x77,0x00,0xe9,0x78,0x00,0xe9,0x7c,0x00,0xe9,0x81,0x00,0xe9,0x86,0x00,0xe9,0x8b,0x00,0xe9,0x8f,0x00,0xe9,0x93,0x00,0xe9,0x99,0x00,0xe9,0x9d,0x00,0xe9,0xa0,0x00,0xe9,0xa4,0x00,0xe9,0xaa,0x00,0xe9,0xb0,0x00,0xe9,0xb4,0x00,0xe9,0xb5,0x00,0xe9,0xb9,0x00,0xe9,0xbe,0x00,0xe9,0xc3,0x00,0xe9,0xc9,0x00,0xe9,0xce,0x00,0xe9,0xd2,0x00,0xe9,0xd6,0x00,0xe9,0xd9,0x00,0xe9,0xdd,0x00,0xe9,0xe2,0x00,0xe9,0xe7,0x02,0xe9,0xe9,0x0e,0xe9,0xe9,0x1c,0xe9,0xe9,0x28,0xe9,0xe9,0x38,0xe9,0xe9,0x48,0xe9,0xe9,0x57,0xe9,0xe9,0x67,0xe9,0xe9,0x73,0xe9,0xe9,0x81,0xe9,0xe9,0x90,0xe9,0xe9,0xa1,0xe9,0xe9,0xb1,0xe9,0xe9,0xbf,0xe9,0xe9,0xcb,0xe9,0xe9,0xcb,0xe9,0xe9,0xcd,0xe9,0xe9,0xd9,0xe9,0xe9,0xe5,0xe9,0xe9,0xe9,0xe9,0xe9,0xe9,0xe9,0xe9,0xe9,0xe9,0xe9,0xe9,0xe9,0xe9,0xe9,0xe9,0xe9,0xe9,0xe9,0xe9,0xe9,0xe9,0xe9,0xe9,0xe9,0xe9,0xe9,0xe9,0xe9,0xe9,0xe9,0xe9,0xe9,0xe9,0xe9,0xe9,0xe9,0xe9,0xe9,0xe9,0xe9,0xe9,0xe9,0xe9,0xe9,0xe9,0xe9,0xe9,0xe9,0xe9,0xe9,0xe9,0xe9,0xe9,0xe9,0xe9,0xe9,0xe9,0xe9,0xe9,0xe9,0xe9,0xe9,0xe9,0xe9,0xe9,0xe9,0xe9,0xe9,0xe9,0xe9,0xe9,0xe9,0xe9,0xe9,0xe9,0xe9,0xe9,0xe9,0xe9,0xe9,0xe9,0xe9,0xe9,0xe9,0xe9,0xe9,0xe9,0xe9,0xe9,0xe9,0xe9,0xe9,0xe9,0xe9,0xe9,0xe9,0xe9,0xe9,0xe9,0xe9,0xe9,0xe9,0xe9,0xe9,0xe9,0xe9,0xe9,0xe9,0xe9,0xe9,0xe9,0xe9,0xe9,0xe9,0xe9,0xe9,0xe9,0xe9,0xe9,0xe9,0xe9,0xe9,0xe9,0xe9,0xe9,0xe9,0xe9,0xe9,0xe9,0xe9,0xe9,0xe9,0xe9,0xe9,0xe9,0xe9,0xe9,0xe9,0xe9,0xe9,0xe9,0xe9,0xe9,0xe9,0xe9,0xe9,0xe8,0xe8,0xe8,0xe8,0xe8,0xe8,0xe8,0xe8,0xe8,0xe8,0xe8,0xe8,0xe7,0xe7,0xe7,0xe7,0xe7,0xe7,0xe6,0xe6,0xe6,0xe4,0xe4,0xe4,0xe3,0xe3,0xe3,0xe0,0xe0,0xe0,0xdc,0xdc,0xdc,0xd8,0xd8,0xd8,0xd2,0xd2,0xd2,0xca,0xca,0xca,0xc1,0xc1,0xc1,0xb7,0xb7,0xb7,0xab,0xab,0xab,0x9d,0x9d,0x9d,0x8f,0x8f,0x8f,0x81,0x81,0x81,0x72,0x72,0x72,0x64,0x64,0x64,0x56,0x56,0x56,0x4a,0x4a,0x4a,0x3e,0x3e,0x3e,0x33,0x33,0x33,0x2a,0x2a,0x2a,0x22,0x22,0x22,0x1b,0x1b,0x1b,0x16,0x16,0x16,0x11,0x11,0x11,0x0d,0x0d,0x0d,0x0b,0x0b,0x0b,0x08,0x08,0x08,0x07,0x07,0x07,0x06,0x06,0x06,0x05,0x05,0x05,0x04,0x04,0x04,0x03,0x03,0x03,0x03,0x03,0x03,0x02,0x02,0x02,0x02,0x02,0x02,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
 };

examples/BuildingBlocks/Images/DisplayGIF/DisplayGIF.ino

@@ -2,7 +2,7 @@
     Displays gifs on a matrix display
 
     This loads the gifs from memory, this is the fastest way
-    
+
     But speeds probably isn't super important for this, there is an example with the I2S matrix
     library tha loads the gifs from SPIFFS, which is probably a better way of doing it:
     https://github.com/mrfaptastic/ESP32-HUB75-MatrixPanel-I2S-DMA/tree/master/examples/AnimatedGIFPanel
@@ -58,13 +58,13 @@
 // Can be installed from the library manager
 // https://github.com/adafruit/Adafruit-GFX-Library
 
-// -------------------------------------
+// --------------------------------
 // -------   Matrix Config   ------
-// -------------------------------------
+// --------------------------------
 
-const int panelResX = 64;      // Number of pixels wide of each INDIVIDUAL panel module.
-const int panelResY = 64;     // Number of pixels tall of each INDIVIDUAL panel module.
-const int panel_chain = 1;      // Total number of panels chained one to another
+const int panelResX = 64;   // Number of pixels wide of each INDIVIDUAL panel module.
+const int panelResY = 64;   // Number of pixels tall of each INDIVIDUAL panel module.
+const int panel_chain = 1;  // Total number of panels chained one to another.
 
 // See the "displaySetup" method for more display config options
 
@@ -157,9 +157,9 @@ void GIFDraw(GIFDRAW *pDraw)
 
 void displaySetup() {
   HUB75_I2S_CFG mxconfig(
-    panelResX,   // module width
-    panelResY,   // module height
-    panel_chain    // Chain length
+    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