djsundog/circuitpython
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

tft working init. sequence, still undersaturated

Browse Source
This commit is contained in:
brentru 2019-06-14 16:17:05 -04:00
parent 0bc74172a2
commit 4092294e7c
1 changed files with 9 additions and 19 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

28
ports/atmel-samd/boards/pybadge_airlift/board.c
View File

@ -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