Updated some examples with fastmode/brightness controls

Signed-off-by: Emil Muratov <gpm@hotplug.ru>

examples/AuroraDemo/AuroraDemo.ino

@@ -47,6 +47,19 @@ void setup()
   Serial.begin(115200);
   delay(250);
   matrix.begin(R1_PIN, G1_PIN, B1_PIN, R2_PIN, G2_PIN, B2_PIN, A_PIN, B_PIN, C_PIN, D_PIN, E_PIN, LAT_PIN, OE_PIN, CLK_PIN );  // setup the LED matrix
+  /**
+   * this demos runs pretty fine in fast-mode which gives much better fps on large matrixes (>128x64)
+   * see comments in the lib header on what does that means
+   */
+  //dma_display.setFastMode(true);
+
+  // SETS THE BRIGHTNESS HERE. MAX value is MATRIX_WIDTH, 2/3 OR LOWER IDEAL, default is about 50%
+  // dma_display.setPanelBrightness(30);
+  /* another way to change brightness is to use
+   * dma_display.setPanelBrightness8(uint8_t brt);	// were brt is within range 0-255
+   * it will recalculate to consider matrix width automatically
+   */
+  //dma_display.setPanelBrightness8(180);
 
   Serial.println("**************** Starting Aurora Effects Demo ****************");
 

examples/AuroraDemo/PatternSwirl.h

@@ -44,7 +44,7 @@ class PatternSwirl : public Drawable {
       // Note that we never actually clear the matrix, we just constantly
       // blur it repeatedly.  Since the blurring is 'lossy', there's
       // an automatic trend toward black -- by design.
-      uint8_t blurAmount = beatsin8(2, 10, 255)
+      uint8_t blurAmount = beatsin8(2, 10, 255);
 
 #if FASTLED_VERSION >= 3001000
       blur2d(effects.leds, MATRIX_WIDTH > 255 ? 255 : MATRIX_WIDTH, MATRIX_HEIGHT > 255 ? 255 : MATRIX_HEIGHT, blurAmount);

examples/FM6126Panel/FM6126Panel.ino

@@ -44,8 +44,8 @@ MatrixPanel_I2S_DMA dma_display;
 // End of default setup for RGB Matrix 64x32 panel
 ///////////////////////////////////////////////////////////////
 
-int time_counter = 0;
+uint16_t time_counter = 0, cycles = 0, fps = 0;
-int cycles = 0;
+unsigned long fps_timer;
 
 CRGB currentColor;
 CRGBPalette16 palettes[] = {HeatColors_p, LavaColors_p, RainbowColors_p, RainbowStripeColors_p, CloudColors_p};
@@ -62,13 +62,28 @@ void setup(){
     // Panels are the same - some seem to display ghosting artefacts at lower brightness levels.
     // In the setup() function do something like:
 
-    dma_display.setPanelBrightness(30); // SETS THE BRIGHTNESS HERE. 60 OR LOWER IDEAL.
+    // SETS THE BRIGHTNESS HERE. MAX value is MATRIX_WIDTH, 2/3 OR LOWER IDEAL, default is about 50%
+    // dma_display.setPanelBrightness(30);
+
+    /* another way to change brightness is to use
+     * dma_display.setPanelBrightness8(uint8_t brt);	// were brt is within range 0-255
+     * it will recalculate to consider matrix width automatically
+     */
+    //dma_display.setPanelBrightness8(180);
 
 	/**
-     * be sure to specify 'FM6126A' as last parametr to the begin(),
+     * this demo runs pretty fine in fast-mode which gives much better fps on large matrixes (>128x64)
+	 * see comments in the lib header on what does that means
+     */
+    dma_display.setFastMode(true);
+
+    /**
+     * Run display on our matrix, be sure to specify 'FM6126A' as last parametr to the begin(),
      * it would reset 6126 registers and enables the matrix
      */
     dma_display.begin(R1, G1, BL1, R2, G2, BL2, CH_A, CH_B, CH_C, CH_D, CH_E, LAT, OE, CLK, FM6126A);
+
+    fps_timer = millis();
 }
 
 void loop(){
@@ -85,12 +100,21 @@ void loop(){
         }
     }
 
-    time_counter += 1;
+    ++time_counter;
-    cycles++;
+    ++cycles;
+    ++fps;
 
     if (cycles >= 1024) {
         time_counter = 0;
         cycles = 0;
         currentPalette = palettes[random(0,sizeof(palettes)/sizeof(palettes[0]))];
     }
+
+    // print FPS rate every 5 seconds
+    // Note: this is NOT a matrix refresh rate, it's the number of data frames being drawn to the DMA buffer per second
+    if (fps_timer + 5000 < millis()){
+      Serial.printf_P(PSTR("Effect fps: %d\n"), fps/5);
+      fps_timer = millis();
+      fps = 0;
+    }
 }