初始化提交

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

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+#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);
+
+void setup() {
+  matrix.setIntensity(0);
+
+// 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
+}
+
+int wait = 50;
+int inc = -2;
+
+void loop() {
+
+  for ( int x = 0; x < matrix.width() - 1; x++ ) {
+    matrix.fillScreen(LOW);
+    matrix.drawLine(x, 0, matrix.width() - 1 - x, matrix.height() - 1, HIGH);
+    matrix.write(); // Send bitmap to display
+    delay(wait);
+  }
+
+  for ( int y = 0; y < matrix.height() - 1; y++ ) {
+    matrix.fillScreen(LOW);
+    matrix.drawLine(matrix.width() - 1, y, 0, matrix.height() - 1 - y, HIGH);
+    matrix.write(); // Send bitmap to display
+    delay(wait);
+  }
+
+  wait = wait + inc;
+  if ( wait == 0 ) inc = 2;
+  if ( wait == 50 ) inc = -2;
+}