From 4092294e7cbc14c337aa273edea6db7ea9442568 Mon Sep 17 00:00:00 2001
From: brentru <robots199@me.com>
Date: Fri, 14 Jun 2019 16:17:05 -0400
Subject: [PATCH] tft working init. sequence, still undersaturated

---
 .../atmel-samd/boards/pybadge_airlift/board.c | 28 ++++++-------------
 1 file changed, 9 insertions(+), 19 deletions(-)

diff --git a/ports/atmel-samd/boards/pybadge_airlift/board.c b/ports/atmel-samd/boards/pybadge_airlift/board.c
index f8d5e478a8..2d24150efc 100644
--- a/ports/atmel-samd/boards/pybadge_airlift/board.c
+++ b/ports/atmel-samd/boards/pybadge_airlift/board.c
@@ -40,21 +40,10 @@ displayio_fourwire_obj_t board_display_obj;
 uint8_t display_init_sequence[] = {
     0x01, 0 | DELAY, 150, // SWRESET
     0x11, 0 | DELAY, 255, // SLPOUT
-    0xb1, 3, 0x01, 0x2C, 0x2D, // _FRMCTR1
-    0xb2, 3, 0x01, 0x2C, 0x2D, //
-    0xb3, 6, 0x01, 0x2C, 0x2D, 0x01, 0x2C, 0x2D,
-    0xb4, 1, 0x07, // _INVCTR line inversion
-    0xc0, 3, 0xa2, 0x02, 0x84, // _PWCTR1 GVDD = 4.7V, 1.0uA
-    0xc1, 1, 0xc5, // _PWCTR2 VGH=14.7V, VGL=-7.35V
-    0xc2, 2, 0x0a, 0x00, // _PWCTR3 Opamp current small, Boost frequency
-    0xc3, 2, 0x8a, 0x2a,
-    0xc4, 2, 0x8a, 0xee,
-    0xc5, 1, 0x0e, // _VMCTR1 VCOMH = 4V, VOML = -1.1V
-    0x2a, 0, // _INVOFF
-    0x36, 1, 0x00, // _MADCTL top to bottom refresh in vsync aligned order.
+    0x36, 1, 0x08, // _MADCTL top to bottom refresh in vsync aligned order.
     // 1 clk cycle nonoverlap, 2 cycle gate rise, 3 sycle osc equalie,
     // fix on VTL
-    0x3a, 1, 0x05, // COLMOD - 16bit color
+    0x3a, 2, 0x55, 10, // COLMOD - 16bit color
     0xe0, 16, 0x02, 0x1c, 0x07, 0x12, // _GMCTRP1 Gamma
               0x37, 0x32, 0x29, 0x2d,
               0x29, 0x25, 0x2B, 0x39,
@@ -63,10 +52,11 @@ uint8_t display_init_sequence[] = {
               0x2E, 0x2C, 0x29, 0x2D,
               0x2E, 0x2E, 0x37, 0x3F,
               0x00, 0x00, 0x02, 0x10,
-    0x2a, 3, 0x02, 0x00, 0x81, // _CASET XSTART = 2, XEND = 129
-    0x2b, 3, 0x02, 0x00, 0x81, // _RASET XSTART = 2, XEND = 129
+    0x2a, 3, 0x00, 240 >> 8, 240 & 0xFF, // _CASET XSTART = 0, XEND = 240
+    0x2b, 3, 0x00, 320 >> 8, 320 & 0xFF, // _RASET YSTART = 0, YEND = 320
+    0x21, 0 | DELAY, 10, // _INVON
     0x13, 0 | DELAY, 10, // _NORON
-    0x29, 0 | DELAY, 100, // _DISPON
+    0x29, 0 | DELAY, 255, // _DISPON
 };
 
 void board_init(void) {
@@ -87,11 +77,11 @@ void board_init(void) {
     display->base.type = &displayio_display_type;
     common_hal_displayio_display_construct(display,
         bus,
-        160, // Width (after rotation)
-        128, // Height (after rotation)
+        320, // Width (after rotation)
+        240, // Height (after rotation)
         0, // column start
         0, // row start
-        270, // rotation
+        90, // rotation
         16, // Color depth
         MIPI_COMMAND_SET_COLUMN_ADDRESS, // Set column command
         MIPI_COMMAND_SET_PAGE_ADDRESS, // Set row command