367 lines
10 KiB
C
367 lines
10 KiB
C
/*
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* This file is subject to the terms of the GFX License. If a copy of
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* the license was not distributed with this file, you can obtain one at:
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*
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* http://ugfx.io/license.html
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*/
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#include "gfx.h"
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#if GFX_USE_GDISP /*|| defined(__DOXYGEN__)*/
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/* This controller is only ever used with a 240 x 320 display */
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#if defined(GDISP_SCREEN_HEIGHT) || defined(GDISP_SCREEN_HEIGHT)
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#if GFX_COMPILER_WARNING_TYPE == GFX_COMPILER_WARNING_DIRECT
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#warning "GDISP: This low level driver does not support setting a screen size. It is being ignored."
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#elif GFX_COMPILER_WARNING_TYPE == GFX_COMPILER_WARNING_MACRO
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COMPILER_WARNING("GDISP: This low level driver does not support setting a screen size. It is being ignored.")
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#endif
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#undef GDISP_SCREEN_WIDTH
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#undef GDISP_SCREEN_HEIGHT
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#endif
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#define GDISP_DRIVER_VMT GDISPVMT_ILI9325
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#include "gdisp_lld_config.h"
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#include "../../../src/gdisp/gdisp_driver.h"
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#include "board_ILI9325.h"
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/*===========================================================================*/
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/* Driver local definitions. */
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/*===========================================================================*/
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#ifndef GDISP_SCREEN_HEIGHT
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#define GDISP_SCREEN_HEIGHT 320
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#endif
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#ifndef GDISP_SCREEN_WIDTH
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#define GDISP_SCREEN_WIDTH 240
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#endif
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#ifndef GDISP_INITIAL_CONTRAST
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#define GDISP_INITIAL_CONTRAST 50
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#endif
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#ifndef GDISP_INITIAL_BACKLIGHT
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#define GDISP_INITIAL_BACKLIGHT 100
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#endif
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/*===========================================================================*/
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/* Driver local variables. */
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/*===========================================================================*/
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/*===========================================================================*/
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/* Driver local functions. */
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/*===========================================================================*/
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// Some common routines and macros
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#define dummy_read(g) { volatile gU16 dummy; dummy = read_data(g); (void) dummy; }
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#define write_reg(g, reg, data) { write_index(g, reg); write_data(g, data); }
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static void set_cursor(GDisplay *g) {
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switch(g->g.Orientation) {
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default:
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case gOrientation0:
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case gOrientation180:
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write_reg(g, 0x20, g->p.x);
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write_reg(g, 0x21, g->p.y);
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break;
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case gOrientation90:
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case gOrientation270:
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write_reg(g, 0x20, g->p.y);
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write_reg(g, 0x21, g->p.x);
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break;
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}
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write_index(g, 0x22);
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}
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static void set_viewport(GDisplay* g) {
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switch(g->g.Orientation) {
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default:
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case gOrientation0:
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case gOrientation180:
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write_reg(g, 0x50, g->p.x);
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write_reg(g, 0x51, g->p.x + g->p.cx - 1);
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write_reg(g, 0x52, g->p.y);
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write_reg(g, 0x53, g->p.y + g->p.cy - 1);
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break;
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case gOrientation90:
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case gOrientation270:
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write_reg(g, 0x50, g->p.y);
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write_reg(g, 0x51, g->p.y + g->p.cy - 1);
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write_reg(g, 0x52, g->p.x);
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write_reg(g, 0x53, g->p.x + g->p.cx - 1);
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break;
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}
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}
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LLDSPEC gBool gdisp_lld_init(GDisplay *g) {
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gU16 cver;
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// No private area for this controller
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g->priv = 0;
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// Initialise the board interface
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init_board(g);
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/* Hardware reset */
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setpin_reset(g, gTrue);
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gfxSleepMicroseconds(1000);
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setpin_reset(g, gFalse);
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gfxSleepMicroseconds(1000);
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acquire_bus(g);
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write_index(g, 0); // Get controller version
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setreadmode(g);
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dummy_read(g);
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cver = read_data(g);
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setwritemode(g);
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// chinese code starts here
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write_reg(g, 0x00, 0x0001);
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gfxSleepMilliseconds(10);
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write_reg(g, 0x15, 0x0030);
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write_reg(g, 0x11, 0x0040);
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write_reg(g, 0x10, 0x1628);
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write_reg(g, 0x12, 0x0000);
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write_reg(g, 0x13, 0x104d);
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gfxSleepMilliseconds(10);
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write_reg(g, 0x12, 0x0010);
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gfxSleepMilliseconds(10);
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write_reg(g, 0x10, 0x2620);
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write_reg(g, 0x13, 0x344d); //304d
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gfxSleepMilliseconds(10);
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write_reg(g, 0x01, 0x0100);
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write_reg(g, 0x02, 0x0300);
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write_reg(g, 0x03, 0x1038);//0x1030
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write_reg(g, 0x08, 0x0604);
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write_reg(g, 0x09, 0x0000);
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write_reg(g, 0x0A, 0x0008);
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write_reg(g, 0x41, 0x0002);
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write_reg(g, 0x60, 0x2700);
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write_reg(g, 0x61, 0x0001);
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write_reg(g, 0x90, 0x0182);
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write_reg(g, 0x93, 0x0001);
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write_reg(g, 0xa3, 0x0010);
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gfxSleepMilliseconds(10);
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//################# void Gamma_Set(void) ####################//
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write_reg(g, 0x30, 0x0000);
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write_reg(g, 0x31, 0x0502);
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write_reg(g, 0x32, 0x0307);
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write_reg(g, 0x33, 0x0305);
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write_reg(g, 0x34, 0x0004);
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write_reg(g, 0x35, 0x0402);
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write_reg(g, 0x36, 0x0707);
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write_reg(g, 0x37, 0x0503);
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write_reg(g, 0x38, 0x1505);
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write_reg(g, 0x39, 0x1505);
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gfxSleepMilliseconds(10);
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//################## void Display_ON(void) ####################//
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write_reg(g, 0x07, 0x0001);
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gfxSleepMilliseconds(10);
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write_reg(g, 0x07, 0x0021);
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write_reg(g, 0x07, 0x0023);
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gfxSleepMilliseconds(10);
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write_reg(g, 0x07, 0x0033);
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gfxSleepMilliseconds(10);
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write_reg(g, 0x07, 0x0133);
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// chinese code ends here
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// Finish Init
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post_init_board(g);
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// Release the bus
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release_bus(g);
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// Turn on the backlight
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set_backlight(g, GDISP_INITIAL_BACKLIGHT);
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/* Initialise the GDISP structure */
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g->g.Width = GDISP_SCREEN_WIDTH;
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g->g.Height = GDISP_SCREEN_HEIGHT;
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g->g.Orientation = gOrientation0;
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g->g.Powermode = gPowerOn;
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g->g.Backlight = GDISP_INITIAL_BACKLIGHT;
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g->g.Contrast = GDISP_INITIAL_CONTRAST;
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return gTrue;
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}
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#if GDISP_HARDWARE_STREAM_WRITE
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LLDSPEC void gdisp_lld_write_start(GDisplay *g) {
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acquire_bus(g);
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set_viewport(g);
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}
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LLDSPEC void gdisp_lld_write_color(GDisplay *g) {
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write_data(g, gdispColor2Native(g->p.color));
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}
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LLDSPEC void gdisp_lld_write_stop(GDisplay *g) {
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release_bus(g);
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}
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LLDSPEC void gdisp_lld_write_pos(GDisplay *g) {
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set_cursor(g);
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}
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#endif
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#if GDISP_HARDWARE_STREAM_READ
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LLDSPEC void gdisp_lld_read_start(GDisplay *g) {
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acquire_bus(g);
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set_viewport(g);
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set_cursor(g);
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setreadmode(g);
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dummy_read(g);
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}
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LLDSPEC gColor gdisp_lld_read_color(GDisplay *g) {
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gU16 data;
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data = read_data(g);
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return gdispNative2Color(data);
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}
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LLDSPEC void gdisp_lld_read_stop(GDisplay *g) {
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setwritemode(g);
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release_bus(g);
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}
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#endif
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#if GDISP_NEED_CONTROL && GDISP_HARDWARE_CONTROL
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LLDSPEC void gdisp_lld_control(GDisplay *g) {
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switch(g->p.x) {
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case GDISP_CONTROL_POWER:
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if (g->g.Powermode == (gPowermode)g->p.ptr)
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return;
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switch((gPowermode)g->p.ptr) {
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case gPowerOff:
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acquire_bus(g);
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write_reg(g, 0x07, 0x0000);
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write_reg(g, 0x10, 0x0000);
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write_reg(g, 0x11, 0x0000);
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write_reg(g, 0x12, 0x0000);
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write_reg(g, 0x13, 0x0000);
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release_bus(g);
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set_backlight(g, 0);
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break;
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case gPowerOn:
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//*************Power On sequence ******************//
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acquire_bus(g);
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write_reg(g, 0x10, 0x0000); /* SAP, BT[3:0], AP, DSTB, SLP, STB */
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write_reg(g, 0x11, 0x0000); /* DC1[2:0], DC0[2:0], VC[2:0] */
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write_reg(g, 0x12, 0x0000); /* VREG1OUT voltage */
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write_reg(g, 0x13, 0x0000); /* VDV[4:0] for VCOM amplitude */
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gfxSleepMilliseconds(200); /* Dis-charge capacitor power voltage */
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write_reg(g, 0x10, 0x17B0); /* SAP, BT[3:0], AP, DSTB, SLP, STB */
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write_reg(g, 0x11, 0x0147); /* DC1[2:0], DC0[2:0], VC[2:0] */
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gfxSleepMilliseconds(50);
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write_reg(g, 0x12, 0x013C); /* VREG1OUT voltage */
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gfxSleepMilliseconds(50);
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write_reg(g, 0x13, 0x0E00); /* VDV[4:0] for VCOM amplitude */
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write_reg(g, 0x29, 0x0009); /* VCM[4:0] for VCOMH */
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gfxSleepMilliseconds(50);
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write_reg(g, 0x07, 0x0173); /* 262K color and display ON */
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release_bus(g);
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set_backlight(g, g->g.Backlight);
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break;
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case gPowerSleep:
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acquire_bus(g);
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write_reg(g, 0x07, 0x0000); /* display OFF */
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write_reg(g, 0x10, 0x0000); /* SAP, BT[3:0], APE, AP, DSTB, SLP */
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write_reg(g, 0x11, 0x0000); /* DC1[2:0], DC0[2:0], VC[2:0] */
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write_reg(g, 0x12, 0x0000); /* VREG1OUT voltage */
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write_reg(g, 0x13, 0x0000); /* VDV[4:0] for VCOM amplitude */
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gfxSleepMilliseconds(200); /* Dis-charge capacitor power voltage */
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write_reg(g, 0x10, 0x0002); /* SAP, BT[3:0], APE, AP, DSTB, SLP */
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release_bus(g);
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gdisp_lld_backlight(g, 0);
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break;
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case gPowerDeepSleep:
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acquire_bus(g);
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write_reg(g, 0x07, 0x0000); /* display OFF */
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write_reg(g, 0x10, 0x0000); /* SAP, BT[3:0], APE, AP, DSTB, SLP */
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write_reg(g, 0x11, 0x0000); /* DC1[2:0], DC0[2:0], VC[2:0] */
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write_reg(g, 0x12, 0x0000); /* VREG1OUT voltage */
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write_reg(g, 0x13, 0x0000); /* VDV[4:0] for VCOM amplitude */
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gfxSleepMilliseconds(200); /* Dis-charge capacitor power voltage */
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write_reg(g, 0x10, 0x0004); /* SAP, BT[3:0], APE, AP, DSTB, SLP */
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release_bus(g);
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gdisp_lld_backlight(g, 0);
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break;
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default:
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return;
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}
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g->g.Powermode = (gPowermode)g->p.ptr;
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return;
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case GDISP_CONTROL_ORIENTATION:
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if (g->g.Orientation == (gOrientation)g->p.ptr)
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return;
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switch((gOrientation)g->p.ptr) {
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case gOrientation0:
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acquire_bus(g);
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write_reg(g, 0x01, 0x0100);
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write_reg(g, 0x03, 0x1038);
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write_reg(g, 0x60, 0x2700);
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release_bus(g);
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g->g.Height = GDISP_SCREEN_HEIGHT;
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g->g.Width = GDISP_SCREEN_WIDTH;
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break;
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case gOrientation90:
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acquire_bus(g);
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write_reg(g, 0x01, 0x0000);
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write_reg(g, 0x03, 0x1030);
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write_reg(g, 0x60, 0x2700);
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release_bus(g);
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g->g.Height = GDISP_SCREEN_WIDTH;
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g->g.Width = GDISP_SCREEN_HEIGHT;
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break;
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case gOrientation180:
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acquire_bus(g);
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write_reg(g, 0x01, 0x0000);
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write_reg(g, 0x03, 0x1038);
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write_reg(g, 0x60, 0xa700);
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release_bus(g);
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g->g.Height = GDISP_SCREEN_HEIGHT;
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g->g.Width = GDISP_SCREEN_WIDTH;
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break;
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case gOrientation270:
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acquire_bus(g);
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write_reg(g, 0x01, 0x0100);
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write_reg(g, 0x03, 0x1030);
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write_reg(g, 0x60, 0xA700);
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release_bus(g);
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g->g.Height = GDISP_SCREEN_WIDTH;
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g->g.Width = GDISP_SCREEN_HEIGHT;
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break;
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default:
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return;
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}
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g->g.Orientation = (gOrientation)g->p.ptr;
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return;
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case GDISP_CONTROL_BACKLIGHT:
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if ((unsigned)g->p.ptr > 100)
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g->p.ptr = (void *)100;
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set_backlight(g, (unsigned)g->p.ptr);
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g->g.Backlight = (unsigned)g->p.ptr;
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return;
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default:
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return;
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}
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}
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#endif
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#endif /* GFX_USE_GDISP */
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