369 lines
11 KiB
C
369 lines
11 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
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#define GDISP_DRIVER_VMT GDISPVMT_SSD1289
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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_SSD1289.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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#ifndef GDISP_USE_DMA
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#define GDISP_USE_DMA GFXOFF
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#endif
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#ifndef GDISP_NO_DMA_FROM_STACK
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#define GDISP_NO_DMA_FROM_STACK GFXOFF
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#endif
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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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/*
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* Reg 0x004E is an 8 bit value - start x position
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* Reg 0x004F is 9 bit - start y position
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* Use a bit mask to make sure they are not set too high
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*/
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switch(g->g.Orientation) {
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default:
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case gOrientation0:
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write_reg(g, 0x4e, g->p.x & 0x00FF);
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write_reg(g, 0x4f, g->p.y & 0x01FF);
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break;
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case gOrientation90:
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write_reg(g, 0x4e, g->p.y & 0x00FF);
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write_reg(g, 0x4f, (GDISP_SCREEN_HEIGHT-1-g->p.x) & 0x01FF);
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break;
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case gOrientation180:
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write_reg(g, 0x4e, (GDISP_SCREEN_WIDTH-1-g->p.x) & 0x00FF);
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write_reg(g, 0x4f, (GDISP_SCREEN_HEIGHT-1-g->p.y) & 0x01FF);
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break;
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case gOrientation270:
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write_reg(g, 0x4e, (GDISP_SCREEN_WIDTH-1-g->p.y) & 0x00FF);
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write_reg(g, 0x4f, g->p.x & 0x01FF);
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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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/* Reg 0x44 - Horizontal RAM address position
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* Upper Byte - HEA
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* Lower Byte - HSA
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* 0 <= HSA <= HEA <= 0xEF
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* Reg 0x45,0x46 - Vertical RAM address position
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* Lower 9 bits gives 0-511 range in each value
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* 0 <= Reg(0x45) <= Reg(0x46) <= 0x13F
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* Use a bit mask to make sure they are not set too high
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*/
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switch(g->g.Orientation) {
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default:
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case gOrientation0:
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write_reg(g, 0x44, (((g->p.x+g->p.cx-1) << 8) & 0xFF00 ) | (g->p.x & 0x00FF));
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write_reg(g, 0x45, g->p.y & 0x01FF);
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write_reg(g, 0x46, (g->p.y+g->p.cy-1) & 0x01FF);
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break;
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case gOrientation90:
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write_reg(g, 0x44, (((g->p.y+g->p.cy-1) << 8) & 0xFF00 ) | (g->p.y & 0x00FF));
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write_reg(g, 0x45, (GDISP_SCREEN_HEIGHT-(g->p.x+g->p.cx)) & 0x01FF);
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write_reg(g, 0x46, (GDISP_SCREEN_HEIGHT-1-g->p.x) & 0x01FF);
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break;
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case gOrientation180:
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write_reg(g, 0x44, (((GDISP_SCREEN_WIDTH-1-g->p.x) & 0x00FF) << 8) | ((GDISP_SCREEN_WIDTH - (g->p.x+g->p.cx)) & 0x00FF));
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write_reg(g, 0x45, (GDISP_SCREEN_HEIGHT-(g->p.y+g->p.cy)) & 0x01FF);
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write_reg(g, 0x46, (GDISP_SCREEN_HEIGHT-1-g->p.y) & 0x01FF);
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break;
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case gOrientation270:
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write_reg(g, 0x44, (((GDISP_SCREEN_WIDTH-1-g->p.y) & 0x00FF) << 8) | ((GDISP_SCREEN_WIDTH-(g->p.y+g->p.cy)) & 0x00FF));
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write_reg(g, 0x45, g->p.x & 0x01FF);
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write_reg(g, 0x46, (g->p.x+g->p.cx-1) & 0x01FF);
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break;
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}
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}
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/*===========================================================================*/
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/* Driver interrupt handlers. */
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/*===========================================================================*/
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/*===========================================================================*/
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/* Driver exported functions. */
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/*===========================================================================*/
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LLDSPEC gBool gdisp_lld_init(GDisplay *g) {
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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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gfxSleepMilliseconds(20);
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setpin_reset(g, gFalse);
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gfxSleepMilliseconds(20);
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// Get the bus for the following initialisation commands
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acquire_bus(g);
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write_reg(g, 0x00, 0x0001); gfxSleepMicroseconds(5);
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write_reg(g, 0x03, 0xA8A4); gfxSleepMicroseconds(5);
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write_reg(g, 0x0C, 0x0000); gfxSleepMicroseconds(5);
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write_reg(g, 0x0D, 0x080C); gfxSleepMicroseconds(5);
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write_reg(g, 0x0E, 0x2B00); gfxSleepMicroseconds(5);
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write_reg(g, 0x1E, 0x00B0); gfxSleepMicroseconds(5);
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write_reg(g, 0x01, 0x2B3F); gfxSleepMicroseconds(5);
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write_reg(g, 0x02, 0x0600); gfxSleepMicroseconds(5);
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write_reg(g, 0x10, 0x0000); gfxSleepMicroseconds(5);
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write_reg(g, 0x11, 0x6070); gfxSleepMicroseconds(5);
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write_reg(g, 0x05, 0x0000); gfxSleepMicroseconds(5);
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write_reg(g, 0x06, 0x0000); gfxSleepMicroseconds(5);
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write_reg(g, 0x16, 0xEF1C); gfxSleepMicroseconds(5);
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write_reg(g, 0x17, 0x0003); gfxSleepMicroseconds(5);
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write_reg(g, 0x07, 0x0133); gfxSleepMicroseconds(5);
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write_reg(g, 0x0B, 0x0000); gfxSleepMicroseconds(5);
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write_reg(g, 0x0F, 0x0000); gfxSleepMicroseconds(5);
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write_reg(g, 0x41, 0x0000); gfxSleepMicroseconds(5);
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write_reg(g, 0x42, 0x0000); gfxSleepMicroseconds(5);
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write_reg(g, 0x48, 0x0000); gfxSleepMicroseconds(5);
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write_reg(g, 0x49, 0x013F); gfxSleepMicroseconds(5);
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write_reg(g, 0x4A, 0x0000); gfxSleepMicroseconds(5);
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write_reg(g, 0x4B, 0x0000); gfxSleepMicroseconds(5);
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write_reg(g, 0x44, 0xEF00); gfxSleepMicroseconds(5);
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write_reg(g, 0x45, 0x0000); gfxSleepMicroseconds(5);
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write_reg(g, 0x46, 0x013F); gfxSleepMicroseconds(5);
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write_reg(g, 0x30, 0x0707); gfxSleepMicroseconds(5);
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write_reg(g, 0x31, 0x0204); gfxSleepMicroseconds(5);
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write_reg(g, 0x32, 0x0204); gfxSleepMicroseconds(5);
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write_reg(g, 0x33, 0x0502); gfxSleepMicroseconds(5);
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write_reg(g, 0x34, 0x0507); gfxSleepMicroseconds(5);
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write_reg(g, 0x35, 0x0204); gfxSleepMicroseconds(5);
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write_reg(g, 0x36, 0x0204); gfxSleepMicroseconds(5);
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write_reg(g, 0x37, 0x0502); gfxSleepMicroseconds(5);
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write_reg(g, 0x3A, 0x0302); gfxSleepMicroseconds(5);
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write_reg(g, 0x3B, 0x0302); gfxSleepMicroseconds(5);
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write_reg(g, 0x23, 0x0000); gfxSleepMicroseconds(5);
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write_reg(g, 0x24, 0x0000); gfxSleepMicroseconds(5);
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write_reg(g, 0x25, 0x8000); gfxSleepMicroseconds(5);
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write_reg(g, 0x4f, 0x0000); gfxSleepMicroseconds(5);
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write_reg(g, 0x4e, 0x0000); gfxSleepMicroseconds(5);
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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 back-light */
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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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#if !GDISP_HARDWARE_STREAM_POS
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set_cursor(g);
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#endif
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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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#if GDISP_HARDWARE_STREAM_POS
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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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#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_HARDWARE_FILLS && GDISP_USE_DMA
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LLDSPEC void gdisp_lld_fill_area(GDisplay *g) {
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#if GDISP_NO_DMA_FROM_STACK
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static LLDCOLOR_TYPE c;
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#else
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LLDCOLOR_TYPE c;
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#endif
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c = gdispColor2Native(g->p.color);
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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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dma_with_noinc(g, &c, g->p.cx*g->p.cy);
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release_bus(g);
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}
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#endif
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#if GDISP_HARDWARE_BITFILLS && GDISP_USE_DMA
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#if GDISP_PIXELFORMAT != GDISP_LLD_PIXELFORMAT
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#error "GDISP: SSD1289: BitBlit is only available in RGB565 pixel format"
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#endif
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LLDSPEC void gdisp_lld_blit_area(GDisplay *g) {
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gPixel *buffer;
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gCoord ycnt;
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buffer = (gPixel *)g->p.ptr + g->p.x1 + g->p.y1 * g->p.x2;
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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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if (g->p.x2 == g->p.cx) {
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dma_with_inc(g, buffer, g->p.cx*g->p.cy);
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} else {
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for (ycnt = g->p.cy; ycnt; ycnt--, buffer += g->p.x2)
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dma_with_inc(g, buffer, g->p.cy);
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}
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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, 0x10, 0x0000); // leave sleep mode
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write_reg(g, 0x07, 0x0000); // halt operation
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write_reg(g, 0x00, 0x0000); // turn off oscillator
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write_reg(g, 0x10, 0x0001); // enter sleep mode
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release_bus(g);
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break;
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case gPowerOn:
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acquire_bus(g);
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write_reg(g, 0x10, 0x0000); // leave sleep mode
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write_reg(g, 0x00, 0x0001); // turn on oscillator
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gfxSleepMicroseconds(5);
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release_bus(g);
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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, 0x10, 0x0001); // enter sleep mode
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release_bus(g);
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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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/* ID = 11 AM = 0 */
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write_reg(g, 0x11, 0x6070);
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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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/* ID = 01 AM = 1 */
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write_reg(g, 0x11, 0x6058);
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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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/* ID = 00 AM = 0 */
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write_reg(g, 0x11, 0x6040);
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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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/* ID = 10 AM = 1 */
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write_reg(g, 0x11, 0x6068);
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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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//case GDISP_CONTROL_CONTRAST:
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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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