fix: keyword-spotting

Author: lucarin91

examples/keyword-spotting/sketch/heart_frames.h

@@ -4,69 +4,16 @@
  * SPDX-License-Identifier: MPL-2.0
  */
 
-const uint32_t LittleHeart[] = {
-	0x20360000,
-	0x11010409,
-	0x100140,
-	0x0
+const uint32_t HeartStatic[4] = {0x00006c04, 0x90208088, 0x02800800,
+                                 0x00000000};
+
+const uint32_t HeartAnim[][5] = {
+    {0x1dc11108, 0x08404104, 0x04401400, 0x40000000, 55}, // 1
+    {0x3fe31198, 0x0cc06306, 0x0c603600, 0xe0000000, 55}, // 2
+    {0x3fe31198, 0x0cc06306, 0x0c603600, 0xe0000000, 55}, // 3
+    {0x7ff711f8, 0x0fc07707, 0x1c707701, 0xf0000000, 55}, // 4
+    {0xffff11f8, 0x0fc07f07, 0xbc78f783, 0xf8000000, 55}, // 5
+    {0xffff11f8, 0x0fc07f07, 0xfc7ff7ef, 0xfe000000, 55}, // 6
+    {0xffff11f8, 0x0fc07f07, 0xfc7ff7ff, 0xff000000, 55}, // 7
+    {0xffff11f8, 0x0fc07f07, 0xfc7ff7ff, 0xff000000, 55}  // 8
 };
-
-const uint32_t* HeartStatic[] = { LittleHeart };
-
-const uint32_t Heart1[] = {
-	0x108883b8,
-	0x20820210,
-	0x280220,
-	0x2
-};
-
-const uint32_t Heart2[] = {
-	0x1988c7fc,
-	0x60c60330,
-	0x6c0630,
-	0x7
-};
-
-const uint32_t Heart3[] = {
-	0x1988c7fc,
-	0x60c60330,
-	0x6c0630,
-	0x7
-};
-
-const uint32_t Heart4[] = {
-	0x1f88effe,
-	0xe0ee03f0,
-	0x80ee0e38,
-	0xf
-};
-
-const uint32_t Heart5[] = {
-	0x1f88ffff,
-	0xe0fe03f0,
-	0xc1ef1e3d,
-	0x1f
-};
-
-const uint32_t Heart6[] = {
-	0x1f88ffff,
-	0xe0fe03f0,
-	0xf7effe3f,
-	0x7f
-};
-
-const uint32_t Heart7[] = {
-	0x1f88ffff,
-	0xe0fe03f0,
-	0xffeffe3f,
-	0xff
-};
-
-const uint32_t Heart8[] = {
-	0x1f88ffff,
-	0xe0fe03f0,
-	0xffeffe3f,
-	0xff
-};
-
-const uint32_t* HeartAnim[] = { Heart1, Heart2, Heart3, Heart4, Heart5, Heart6, Heart7, Heart8 };

examples/keyword-spotting/sketch/sketch.ino

@@ -2,40 +2,33 @@
 //
 // SPDX-License-Identifier: MPL-2.0
 
+#include <Arduino_LED_Matrix.h>
 #include <Arduino_RouterBridge.h>
+
 #include "heart_frames.h"
 
-// TODO: those will go into an header file.
-extern "C" void matrixWrite(const uint32_t* buf);
-extern "C" void matrixBegin();
+Arduino_LED_Matrix matrix;
 
 bool awake = false;
 
 void setup() {
-  matrixBegin();
-  playAnimation(HeartStatic, 1, 1, 2000);
+  matrix.begin();
+  matrix.clear();
+
+  matrix.loadFrame(HeartStatic);
+
   Bridge.begin();
-  Bridge.provide("keyword_detected", wake_up); 
+  Bridge.provide("keyword_detected", wake_up);
 }
 
 void loop() {
   if (awake) {
-    playAnimation(HeartAnim, 8, 1, 50);
+    matrix.loadSequence(HeartAnim);
+    matrix.playSequence();
     delay(1000);
-    playAnimation(HeartStatic, 1, 1, 2000);
+    matrix.loadFrame(HeartStatic);
     awake = false;
   }
 }
 
-void playAnimation(const uint32_t* frames[], int frameCount, int repeat, int frameDelay) {
-  for (int r = 0; r < repeat; r++) {
-    for (int i = 0; i < frameCount; i++) {
-      matrixWrite(frames[i]);
-      delay(frameDelay);
-    }
-  }
-}
-
-void wake_up() {
-  awake = true;
-}
+void wake_up() { awake = true; }