Animation

203-Systems · Dec 1, 2024 · 7b1424a · 7b1424a
1 parent 61603dd
commit 7b1424a
Showing 1 changed file with 36 additions and 6 deletions.
diff --git a/ports/espressif/boards/matrix_block6_prototype1/animation.c b/ports/espressif/boards/matrix_block6_prototype1/animation.c
@@ -3,23 +3,37 @@
 
 extern led_strip_t *strip;
 
-uint8_t upload_symbol[10] = {19, 20, 26, 27, 28, 29, 35, 36, 43, 44};
-uint8_t upload_animation_line[4][3] = {{18, 19, 20},
-                                       {21, 29, 37},
-                                       {45, 44, 43},
-                                       {42, 34, 26}};
+uint8_t upload_symbol[10] = {19, 20, 27, 28, 34, 35, 36, 37, 43, 44};
+
+#define WAVE_STEP 16
+uint8_t* grayscale_wave;
+
+
 
 
 
 void show_upload_symbol(uint8_t r, uint8_t g, uint8_t b)
 {
-  for(uint32_t i=0; i<sizeof(upload_symbol); i++)
+  for(uint32_t i = 0; i < sizeof(upload_symbol); i++)
   {
     strip->set_pixel(strip, upload_symbol[i], r, g, b);
   }
   strip->refresh(strip, 100);
 }
 
+void generate_wave()
+{
+    grayscale_wave = malloc(WAVE_STEP);
+    grayscale_wave[0] = 255;
+
+    float exp = 1.11; // 2.2 ^ (1/(WAVE_STEP / 4))
+
+    for(uint8_t i = 1; i < WAVE_STEP; i++)
+    {
+        grayscale_wave[i] = grayscale_wave[i - 1] / exp;
+    }
+}
+
 uint32_t current_state;
 void board_rgb_state(uint32_t state)
 {
@@ -35,18 +49,34 @@ void board_rgb_state(uint32_t state)
         break;
 
     case STATE_WRITING_STARTED:
+        generate_wave();
         board_timer_start(25);
         break;
 
     case STATE_WRITING_FINISHED:
         board_timer_stop();
+        strip->clear(strip, 100);
         break;
 
     default:
         break; // nothing to do
     }
 }
 
+uint8_t led_index = 0;
 void board_timer_handler()
 {
+    if(current_state == STATE_WRITING_STARTED)
+    {
+        for(uint8_t i = 0; i < sizeof(upload_symbol); i++)
+        {
+            uint8_t y = upload_symbol[i] / 8 - 2;
+            if(y >= led_index)
+                break;
+            uint8_t brightness = grayscale_wave[((4-y) + led_index) % WAVE_STEP];
+            strip->set_pixel(strip, upload_symbol[i], 0, brightness, brightness);
+        }
+    }
+    led_index ++;
+    strip->refresh(strip, 100);
 }