初始化提交

arduino-cli/libraries/Max72xxPanel/examples/MadFly/MadFly.pde

@@ -0,0 +1,55 @@
+#include <SPI.h>
+#include <Adafruit_GFX.h>
+#include <Max72xxPanel.h>
+
+int pinCS = 10; // Attach CS to this pin, DIN to MOSI and CLK to SCK (cf http://arduino.cc/en/Reference/SPI )
+int numberOfHorizontalDisplays = 1;
+int numberOfVerticalDisplays = 1;
+
+Max72xxPanel matrix = Max72xxPanel(pinCS, numberOfHorizontalDisplays, numberOfVerticalDisplays);
+
+int pinRandom = A0;
+
+int wait = 20; // In milliseconds
+
+void setup() {
+  matrix.setIntensity(4); // Set brightness between 0 and 15
+
+// Adjust to your own needs
+//  matrix.setPosition(0, 0, 0); // The first display is at <0, 0>
+//  matrix.setPosition(1, 1, 0); // The second display is at <1, 0>
+//  matrix.setPosition(2, 2, 0); // The third display is at <2, 0>
+//  matrix.setPosition(3, 3, 0); // And the last display is at <3, 0>
+//  ...
+//  matrix.setRotation(0, 2);    // The first display is position upside down
+//  matrix.setRotation(3, 2);    // The same hold for the last display
+
+  randomSeed(analogRead(pinRandom)); // Initialize random generator
+}
+
+int x = numberOfHorizontalDisplays * 8 / 2;
+int y = numberOfVerticalDisplays * 8 / 2;
+int xNext, yNext;
+
+void loop() {
+
+  matrix.drawPixel(x, y, HIGH);
+  matrix.write(); // Send bitmap to display
+
+  delay(wait);
+
+  matrix.drawPixel(x, y, LOW); // Erase the old position of our dot
+
+  do {
+    switch ( random(4) ) {
+      case 0: xNext = constrain(x + 1, 0, matrix.width() - 1); yNext = y; break;
+      case 1: xNext = constrain(x - 1, 0, matrix.width() - 1); yNext = y; break;
+      case 2: yNext = constrain(y + 1, 0, matrix.height() - 1); xNext = x; break;
+      case 3: yNext = constrain(y - 1, 0, matrix.height() - 1); xNext = x; break;
+    }
+  }
+  while ( x == xNext && y == yNext ); // Repeat until we find a new coordinate
+
+  x = xNext;
+  y = yNext;
+}