md(git back) for暴力涂色

Day1/note.md

@@ -31,6 +31,10 @@ git remote remove origin
 git remote set-url --add origin git@github.com:*.git
 
 git push -u origin master
+
+# 退到/进到 指定commit的sha码
+
+git reset --hard dde8c25694f34acf8971f0782b1a676f39bf0a46
 ```
 ## SConscript
 加入这个文件可以使在当前文件夹里的也能被调用

dayandnight/my_func.c

@@ -14,13 +14,18 @@ void lcd_white(int x, int y)
 {
     lcd_address_set(x, y, x, y);
     lcd_write_half_word(WHITE);
-
 }
 void snake_address(int x, int y, int r, const rt_uint16_t da)
 {
-    lcd_fill(x*r, y*r, x*r+r-1, y*r+r-1,da);
+    for (int i = x * r; i < x * r + r; i++)
+    {
+        for (int j = y * r; j < y * r + r; j++)
+        {
+            lcd_address_set(i, j, i, j);
             lcd_write_half_word(da);
         }
+    }
+}
 // bt 命令行
 int color_cmd(int argc, char **argv)
 {