259 lines
8 KiB
C
259 lines
8 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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#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_Nokia6610GE12
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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_Nokia6610GE12.h"
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/*===========================================================================*/
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/* Driver local definitions. */
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/*===========================================================================*/
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#include "GE12.h"
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#define GDISP_SCAN_LINES 132
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#define GDISP_SLEEP_SIZE 32 /* Sleep mode window lines - this must be 32 on this controller */
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// Set parameters if they are not already set
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#ifndef GDISP_SCREEN_HEIGHT
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#define GDISP_SCREEN_HEIGHT 130
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#endif
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#ifndef GDISP_SCREEN_WIDTH
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#define GDISP_SCREEN_WIDTH 130
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#endif
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#ifndef GDISP_RAM_X_OFFSET
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#define GDISP_RAM_X_OFFSET 0 /* Offset in RAM of visible area */
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#endif
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#ifndef GDISP_RAM_Y_OFFSET
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#define GDISP_RAM_Y_OFFSET 2 /* Offset in RAM of visible area */
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#endif
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#ifndef GDISP_SLEEP_POS
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#define GDISP_SLEEP_POS ((GDISP_SCAN_LINES-GDISP_SLEEP_SIZE)/2 & ~3)
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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 exported variables. */
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/*===========================================================================*/
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/*===========================================================================*/
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/* Driver local variables. */
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/*===========================================================================*/
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// Use the priv pointer itself to save our color. This save allocating ram for it
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// and works provided sizeof(gU16) <= sizeof(void *)
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#define savecolor(g) (*(gU16 *)&g->priv)
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#define GDISP_FLG_ODDBYTE (GDISP_FLG_DRIVER<<0)
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/*===========================================================================*/
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/* Driver local functions. */
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/*===========================================================================*/
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// Some macros just to make reading the code easier
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#define delayms(ms) gfxSleepMilliseconds(ms)
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#define write_data2(g, d1, d2) { write_data(g, d1); write_data(g, d2); }
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#define write_data3(g, d1, d2, d3) { write_data(g, d1); write_data(g, d2); write_data(g, d3); }
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#define write_reg(g, cmd, d1) { write_index(g, cmd); write_data(g, d1); }
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#define write_reg2(g, cmd, d1, d2) { write_index(g, cmd); write_data2(g, d1, d2); }
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#define write_reg3(g, cmd, d1, d2, d3) { write_index(g, cmd); write_data3(g, d1, d2, d3); }
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static GFXINLINE void set_viewport(GDisplay* g) {
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write_reg2(g, CASET, GDISP_RAM_X_OFFSET+g->p.x, GDISP_RAM_X_OFFSET+g->p.x+g->p.cx-1); // Column address set
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write_reg2(g, PASET, GDISP_RAM_Y_OFFSET+g->p.y, GDISP_RAM_Y_OFFSET+g->p.y+g->p.cy-1); // Page address set
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write_index(g, RAMWR);
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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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delayms(20);
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setpin_reset(g, gFalse);
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delayms(20);
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acquire_bus(g);
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write_index(g, SLEEPOUT); // Sleep out
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write_reg(g, COLMOD, 0x03); // Color Interface Pixel Format - 0x03 = 12 bits-per-pixel
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write_reg(g, MADCTL, 0x00); // Memory access controller
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write_reg(g, SETCON, 128*GDISP_INITIAL_CONTRAST/101-64); // Write contrast
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delayms(20);
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// Finish Init
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post_init_board(g);
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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 to match */
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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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g->flags &= ~GDISP_FLG_ODDBYTE;
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}
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LLDSPEC void gdisp_lld_write_color(GDisplay *g) {
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gU16 c;
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c = gdispColor2Native(g->p.color);
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if ((g->flags & GDISP_FLG_ODDBYTE)) {
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// Write the pair of pixels to the display
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write_data3(g, ((savecolor(g) >> 4) & 0xFF),
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(((savecolor(g) << 4) & 0xF0)|((c >> 8) & 0x0F)),
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(c & 0xFF));
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g->flags &= ~GDISP_FLG_ODDBYTE;
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} else {
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savecolor(g) = c;
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g->flags |= GDISP_FLG_ODDBYTE;
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}
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}
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LLDSPEC void gdisp_lld_write_stop(GDisplay *g) {
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if ((g->flags & GDISP_FLG_ODDBYTE)) {
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write_data2(g, ((savecolor(g) >> 4) & 0xFF), ((savecolor(g) << 4) & 0xF0));
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write_index(g, NOP);
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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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/* The hardware is capable of supporting...
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* GDISP_CONTROL_POWER - supported
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* GDISP_CONTROL_ORIENTATION - supported
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* GDISP_CONTROL_BACKLIGHT - supported
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* GDISP_CONTROL_CONTRAST - supported
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*/
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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_index(g, SLEEPIN);
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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_index(g, SLEEPOUT);
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delayms(20);
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write_index(g, NORON); // Set Normal mode (my)
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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_index(g, SLEEPOUT);
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delayms(20);
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write_reg2(g, PTLAR, GDISP_SLEEP_POS, GDISP_SLEEP_POS+GDISP_SLEEP_SIZE)
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write_index(g, PTLON);
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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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write_reg(g, MADCTL, 0x00);
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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, MADCTL, 0xA0); // MY, MX, V, LAO, RGB, X, X, X
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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, MADCTL, 0xC0);
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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, MADCTL, 0x60);
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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) 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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if ((unsigned)g->p.ptr > 100) g->p.ptr = (void *)100;
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acquire_bus(g);
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write_reg(g, SETCON,(unsigned)128*(unsigned)g->p.ptr/101-64);
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release_bus(g);
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g->g.Contrast = (unsigned)g->p.ptr;
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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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