Merge branch 'master' into trials

4 files changed, 13 insertions, 9 deletions

diff --git a/ESP32-HUB75-MatrixPanel-I2S-DMA.cpp b/ESP32-HUB75-MatrixPanel-I2S-DMA.cpp
index 17a4562..129996c 100644
--- a/ESP32-HUB75-MatrixPanel-I2S-DMA.cpp
+++ b/ESP32-HUB75-MatrixPanel-I2S-DMA.cpp
@@ -651,7 +651,7 @@ void MatrixPanel_I2S_DMA::updateMatrixDMABuffer(uint8_t red, uint8_t green, uint
  */
 void MatrixPanel_I2S_DMA::shiftDriver(const shift_driver _drv, const int dma_r1_pin, const int dma_g1_pin, const int dma_b1_pin, const int dma_r2_pin, const int dma_g2_pin, const int dma_b2_pin, const int dma_a_pin, const int dma_b_pin, const int dma_c_pin, const int dma_d_pin, const int dma_e_pin, const int dma_lat_pin, const int dma_oe_pin, const int dma_clk_pin){
     switch (_drv){
-    case ICN2038S:
+	case ICN2038S:
     case FM6124:
     case FM6126A:
     {
diff --git a/ESP32-HUB75-MatrixPanel-I2S-DMA.h b/ESP32-HUB75-MatrixPanel-I2S-DMA.h
index 1147368..3ed7c01 100644
--- a/ESP32-HUB75-MatrixPanel-I2S-DMA.h
+++ b/ESP32-HUB75-MatrixPanel-I2S-DMA.h
@@ -25,11 +25,12 @@
  *
  */
 #ifndef MATRIX_WIDTH
- #define MATRIX_WIDTH                64   // CHANGE THIS VALUE IF CHAINING
+ #define MATRIX_WIDTH                64   // Single panel of 64 pixel width
+ // #define MATRIX_WIDTH                64*4   // Example of chaining four (4) panels.  Need to multiply the width.
 #endif
 
 #ifndef MATRIX_HEIGHT
- #define MATRIX_HEIGHT               32   // CHANGE THIS VALUE ONLY IF USING 64px HIGH panel with E PIN
+ #define MATRIX_HEIGHT               32   // CHANGE THIS VALUE to 64 IF USING 64px HIGH panel(s) with E PIN
 #endif
 
 /* Best to keep these values as is. */
@@ -497,4 +498,4 @@ inline void MatrixPanel_I2S_DMA::drawIcon (int *ico, int16_t x, int16_t y, int16
 }
 
 
-#endif
\ No newline at end of file
+#endif
diff --git a/README.md b/README.md
index d9b7f3d..1956d12 100644
--- a/README.md
+++ b/README.md
@@ -7,7 +7,7 @@ As a result, this library can theoretically provide ~16-24 bit colour, at variou
 ## Panels Supported
 * 64x32 pixel 1/16 Scan LED Matrix 'Indoor' Panel, such as this [typical RGB panel available for purchase](https://www.aliexpress.com/item/256-128mm-64-32-pixels-1-16-Scan-Indoor-3in1-SMD2121-RGB-full-color-P4-led/32810362851.html). 
 * 64x64 pixel 1/32 Scan LED Matrix 'Indoor' Panel. 
-* [FM6126](FM6126A.md) panels based on [this example](/examples/FM6126Panel) will also work with the correct initialisation.
+* [FM6126](FM6126A.md) / ICN2038S panels based on [this example](/examples/FM6126Panel) will also work with the correct initialisation.
 
 ## Panels Not Supported
 * 1/8 Scan LED Matrix Panels are not supported, please use an alternative library if you bought one of these.
diff --git a/examples/ChainedPanels/ChainedPanels.ino b/examples/ChainedPanels/ChainedPanels.ino
index 55c4b02..a45f9c1 100644
--- a/examples/ChainedPanels/ChainedPanels.ino
+++ b/examples/ChainedPanels/ChainedPanels.ino
@@ -5,10 +5,13 @@
 
     1) In ESP32-HUB75-MatrixPanel-I2S-DMA.h:
 
-    - Set the MATRIX_HEIGHT to be the y resolution of the physical chained 
-      panels in a line (if the panels are 32 x 16, set it to be 16)
+    - Set the MATRIX_HEIGHT to be the y resolution of a physical chained 
+      panels in the line (as panels each must be of the same dimensions).
+      i.e. If you are chaining 32px 'high' panels, then set MATRIX_HEIGHT to 32.
+
     - Set the MATRIX_WIDTH to be the sum of the x resolution of all the physical 
-      chained panels (i.e. If you have 4 x (32px w x 16px h) panels, 32x4 = 128) 
+      chained panels (i.e. If you have 4 (four) x (64px w x 32px h) panels, then 64x4 = 256) 
+      i.e. The total pixel 'width' of all the chained panels. 
 
     2) In the sketch (i.e. this example):
     
@@ -241,4 +244,4 @@ void setup() {
 void loop() {
   
 
-} // end loop
\ No newline at end of file
+} // end loop