更新到最新进度

src/color_utils.c

@@ -2,6 +2,9 @@
 #include <math.h>
 #include <string.h>
 
+#define DATA_HIGH    0b00011111
+#define DATA_LOW     0b00000011
+
 Color hex_to_color(int hex) {
     Color color;
 
@@ -60,15 +63,27 @@ Color hsv_to_color(double h, double s, double v) {
     return color;
 }
 
+Color fix_color(const Color color) {
+    Color result;
+
+    result.r = color.r * color.r / 0xff;
+    result.g = color.g * color.g * 0x88 / 0xff / 0xff;
+    result.b = color.b * color.b * 0x66 / 0xff / 0xff;
+
+    return result;
+}
+
 void set_color(uint8_t* buffer, const Color color) {
-    for (int i = 7; i >= 0; i--)
-        *buffer++ = (color.g & (1 << i)) ? 0b11111000 : 0b10000000;
+    // *buffer++ = 0x00;
 
     for (int i = 7; i >= 0; i--)
-        *buffer++ = (color.r & (1 << i)) ? 0b11111000 : 0b10000000;
+        *buffer++ = (color.g & (1 << i)) ? DATA_HIGH : DATA_LOW;
 
     for (int i = 7; i >= 0; i--)
-        *buffer++ = (color.b & (1 << i)) ? 0b11111000 : 0b10000000;
+        *buffer++ = (color.r & (1 << i)) ? DATA_HIGH : DATA_LOW;
+
+    for (int i = 7; i >= 0; i--)
+        *buffer++ = (color.b & (1 << i)) ? DATA_HIGH : DATA_LOW;
 }
 
 int construct_buffer(uint8_t* buffer,
@@ -79,7 +94,8 @@ int construct_buffer(uint8_t* buffer,
     const int data_size = num_leds * color_bytes + res_bytes;
     memset(buffer, 0, data_size);
     for (int i = 0; i < num_leds; i++) {
-        set_color(buffer + i * color_bytes, colors[i]);
+        // set_color(buffer + i * color_bytes, colors[i]);
+        set_color(buffer + i * color_bytes, fix_color(colors[i]));
     }
     return data_size;
-}
+}