Improved grayscales for generic displays

Author: Laurence Bank

src/FastEPD.inl

@@ -42,17 +42,17 @@ const uint8_t u8GrayMatrix[] = {
 };
 
 const uint8_t u8SixInchMatrix[] = {
-/* 0 */	    0,  0,  0,  2,  2,  2,  2,  0,  0,  1,  1,  1,  1,  1,  1,  1,  1,  1,  1,  1,  1,  1,  1,  1,  0,
-/* 1 */	    2,	2,	2,	2,	2,	2,	2,	2,	2,	0,	0,	0,	0,	0,	1,	1,	1,	1,	1,	1,	0,	0,	0,	0,  0,
+/* 0 */	    0,  0,  0,  0,  0,  0,  0,  0,  0,  1,  1,  1,  1,  1,  1,  1,  1,  1,  1,  1,  1,  1,  1,  1,  0,
+/* 1 */	    2,	2,	2,	2,	2,	2,	0,	0,	0,	0,	0,	0,	0,	0,	1,	1,	1,	1,	1,	1,	0,	0,	0,	0,  0,
 /* 2 */		0,	0,	2,	2,	2,	2,	2,	2,	2,	0,	0,	0,	0,	1,	1,	1,	1,	1,	0,	0,	0,	0,	0,	0,  0,
 /* 3 */		0,	0,	0,	0,	2,	2,	2,	2,	2,	2,	1,	1,	1,	1,	1,	1,	1,	0,	0,	0,	0,	0,	0,	0,  0,
-/* 4 */		0,	0,	0,	0,	0,	2,	2,	2,	2,	2,	0,	0,	1,	1,	1,	1,	1,	1,	0,	0,	0,	0,	0,	0,  0,
-/* 5 */		0,	0,	0,	0,	0,	0,	0,	1,	1,	2,	2,	2,	2,	1,	1,	1,	1,	1,	0,	0,	0,	0,	0,	0,  0,
-/* 6 */		0,	0,	0,	0,	0,	0,	1,	1,	1,	2,	2,	2,	2,	2,	2,	0,	0,	0,	1,	1,	1,	1,	0,	0,  0,
-/* 7 */		0,	0,	0,	0,	1,	1,	0,	0,	0,	0,	0,	0,	2,	2,	2,	2,	2,	2,	1,	1,	1,	1,	0,	0,  0,
-/* 8 */		0,	0,	0,	0,	0,	0,	0,	0,	1,	2,	2,	2,	2,	2,	2,	2,	2,	2,	0,	1,	1,	1,	0,	0,  0,
-/* 9 */		0,	0,	0,	0,	0,	1,	1,	1,	1,	0,	0,	0,	0,	2,	2,	2,	2,	2,	2,	2,	1,	0,	0,	0,  0,
-/* 10 */	0,	0,	0,	0,	0,	1,	1,	0,	0,	0,	0,	0,	2,	2,	2,	2,	2,	2,	2,	2,	2,	1,	0,	0,  0,
+/* 4 */		0,	0,	0,	0,	0,	2,	2,	2,	2,	2,	0,	0,	1,	1,	1,	1,	0,	0,	0,	0,	0,	0,	0,	0,  0,
+/* 5 */		0,	0,	0,	0,	0,	0,	0,	0,	0,	2,	2,	2,	2,	1,	1,	1,	0,	0,	0,	0,	0,	0,	0,	0,  0,
+/* 6 */		0,	0,	0,	0,	0,	0,	0,	0,	0,	2,	2,	2,	2,	2,	2,	0,	0,	0,	1,	1,	0,	0,	0,	0,  0,
+/* 7 */		0,	0,	0,	0,	0,	0,	0,	0,	0,	0,	0,	2,	2,	2,	2,	2,	2,	2,	2,	1,	1,	0,	0,	0,  0,
+/* 8 */		0,	0,	0,	0,	0,	0,	0,	0,	1,	2,	2,	2,	2,	2,	2,	2,	2,	2,	0,	1,	0,	0,	0,	0,  0,
+/* 9 */		0,	0,	0,	0,	0,	0,	0,	1,	1,	1,	1,	1,	1,	1,	0,	0,	0,	0,	0,	0,	1,	2,	1,	2,  0,
+/* 10 */	0,	0,	0,	0,	0,	1,	1,	1,	1,	1,	1,	1,	0,	0,	0,	0,	0,	0,	2,	1,	2,	0,	0,	0,  0,
 /* 11 */	0,	0,	0,	0,	0,	0,	0,	0,	0,	0,	1,	1,	1,	1,	1,	1,	1,	1,	2,	2,	0,	0,	0,	0,  0,
 /* 12 */	1,	1,	1,	1,	1,	1,	1,	1,	1,	2,	2,	2,	1,	2,	0,	0,	0,	0,	0,	0,	0,	0,	0,	0,  0,
 /* 13 */	0,	1,	1,	1,	1,	1,	1,	1,	1,	2,	2,	2,	2,	2,	2,	2,	2,	2,	2,	2,	2,	2,	1,	2,  0,
@@ -1321,7 +1321,7 @@ int bbepFullUpdate(FASTEPDSTATE *pState, bool bFast, bool bKeepOn, BBEPRECT *pRe
     } // 4bpp
 
         // Set the drivers inside epaper panel into dischare state.
-        bbepClear(pState, 3, 1, pRect);
+        bbepClear(pState, 2, 1, pRect);
         if (!bKeepOn) bbepEinkPower(pState, 0);
 
 #ifdef SHOW_TIME