[X9D] Code to quickly show the 16 greyscales

2013-01-13 21:00:18 +00:00
parent c1c4631b73
commit 3f724dc6ab
1 changed files with 6 additions and 0 deletions
@@ -31,7 +31,13 @@ void lcdRefresh()
    Set_Address(0, y);
    AspiCmd(0xAF);
    for (uint8_t x=0; x<DISPLAY_W; x+=2) {
+#if 1
      uint8_t data = (p[x] & mask ? 0x80 : 0) + (p[x+1] & mask ? 0x08 : 0) + (p[DISPLAY_PLAN_SIZE+x] & mask ? 0x40 : 0) + (p[DISPLAY_PLAN_SIZE+x+1] & mask ? 0x04 : 0);
+#else
+      // this code shows the 16 grey tones...
+      uint8_t data = (x * 16) / 212;
+      data += (data << 4);
+#endif
      WriteData(data);
    }
    WriteData(0);