583 lines
16 KiB
C
583 lines
16 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.org/license.html
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*/
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/**
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* @file drivers/gdisp/ILI9325/gdisp_lld.c
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* @brief GDISP Graphics Driver subsystem low level driver source for the ILI9325 display.
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*
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* @addtogroup GDISP
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* @{
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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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/* Include the emulation code for things we don't support */
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#include "gdisp/lld/emulation.c"
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#include "gdisp_lld_board.h"
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/*===========================================================================*/
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/* Driver local definitions. */
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/*===========================================================================*/
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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)
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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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#undef GDISP_SCREEN_HEIGHT
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#endif
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#if defined(GDISP_SCREEN_WIDTH)
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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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#undef GDISP_SCREEN_WIDTH
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#endif
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#define GDISP_SCREEN_WIDTH 240
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#define GDISP_SCREEN_HEIGHT 320
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#define GDISP_INITIAL_CONTRAST 50
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#define GDISP_INITIAL_BACKLIGHT 100
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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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uint32_t DISPLAY_CODE;
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/*===========================================================================*/
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/* Driver local functions. */
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/*===========================================================================*/
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static inline void lld_lcdDelay(uint16_t us) {
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gfxSleepMicroseconds(us);
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}
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static inline void lld_lcdWriteIndex(uint16_t index) {
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gdisp_lld_write_index(index);
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}
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static inline void lld_lcdWriteData(uint16_t data) {
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gdisp_lld_write_data(data);
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}
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static inline void lld_lcdWriteReg(uint16_t lcdReg, uint16_t lcdRegValue) {
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gdisp_lld_write_index(lcdReg);
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gdisp_lld_write_data(lcdRegValue);
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}
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static inline uint16_t lld_lcdReadData(void) {
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return gdisp_lld_read_data();
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}
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static inline uint16_t lld_lcdReadReg(uint16_t lcdReg) {
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volatile uint16_t dummy;
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gdisp_lld_write_index(lcdReg);
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dummy = lld_lcdReadData();
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(void)dummy;
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return lld_lcdReadData();
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}
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static inline void lld_lcdWriteStreamStart(void) {
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lld_lcdWriteIndex(0x0022);
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}
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static inline void lld_lcdWriteStreamStop(void) {
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}
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static inline void lld_lcdWriteStream(uint16_t *buffer, uint16_t size) {
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uint16_t i;
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for(i = 0; i < size; i++)
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lld_lcdWriteData(buffer[i]);
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}
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static inline void lld_lcdReadStreamStart(void) {
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lld_lcdWriteIndex(0x0022);
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}
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static inline void lld_lcdReadStreamStop(void) {
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}
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static inline void lld_lcdReadStream(uint16_t *buffer, size_t size) {
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uint16_t i;
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volatile uint16_t dummy;
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dummy = lld_lcdReadData();
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(void)dummy;
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for(i = 0; i < size; i++)
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buffer[i] = lld_lcdReadData();
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}
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bool_t gdisp_lld_init(void) {
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/* Initialise your display */
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gdisp_lld_init_board();
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/* Hardware reset */
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gdisp_lld_reset_pin(TRUE);
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lld_lcdDelay(1000);
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gdisp_lld_reset_pin(FALSE);
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lld_lcdDelay(1000);
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DISPLAY_CODE = lld_lcdReadReg(0);
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// chinese code starts here
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lld_lcdWriteReg(0x0000,0x0001);
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lld_lcdDelay(10);
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lld_lcdWriteReg(0x0015,0x0030);
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lld_lcdWriteReg(0x0011,0x0040);
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lld_lcdWriteReg(0x0010,0x1628);
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lld_lcdWriteReg(0x0012,0x0000);
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lld_lcdWriteReg(0x0013,0x104d);
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lld_lcdDelay(10);
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lld_lcdWriteReg(0x0012,0x0010);
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lld_lcdDelay(10);
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lld_lcdWriteReg(0x0010,0x2620);
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lld_lcdWriteReg(0x0013,0x344d); //304d
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lld_lcdDelay(10);
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lld_lcdWriteReg(0x0001,0x0100);
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lld_lcdWriteReg(0x0002,0x0300);
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lld_lcdWriteReg(0x0003,0x1038);//0x1030
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lld_lcdWriteReg(0x0008,0x0604);
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lld_lcdWriteReg(0x0009,0x0000);
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lld_lcdWriteReg(0x000A,0x0008);
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lld_lcdWriteReg(0x0041,0x0002);
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lld_lcdWriteReg(0x0060,0x2700);
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lld_lcdWriteReg(0x0061,0x0001);
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lld_lcdWriteReg(0x0090,0x0182);
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lld_lcdWriteReg(0x0093,0x0001);
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lld_lcdWriteReg(0x00a3,0x0010);
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lld_lcdDelay(10);
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//################# void Gamma_Set(void) ####################//
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lld_lcdWriteReg(0x30,0x0000);
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lld_lcdWriteReg(0x31,0x0502);
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lld_lcdWriteReg(0x32,0x0307);
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lld_lcdWriteReg(0x33,0x0305);
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lld_lcdWriteReg(0x34,0x0004);
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lld_lcdWriteReg(0x35,0x0402);
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lld_lcdWriteReg(0x36,0x0707);
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lld_lcdWriteReg(0x37,0x0503);
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lld_lcdWriteReg(0x38,0x1505);
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lld_lcdWriteReg(0x39,0x1505);
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lld_lcdDelay(10);
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//################## void Display_ON(void) ####################//
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lld_lcdWriteReg(0x0007,0x0001);
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lld_lcdDelay(10);
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lld_lcdWriteReg(0x0007,0x0021);
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lld_lcdWriteReg(0x0007,0x0023);
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lld_lcdDelay(10);
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lld_lcdWriteReg(0x0007,0x0033);
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lld_lcdDelay(10);
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lld_lcdWriteReg(0x0007,0x0133);
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// chinese code ends here
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// Turn on the backlight
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gdisp_lld_backlight(GDISP_INITIAL_BACKLIGHT);
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/* Initialise the GDISP structure */
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GDISP.Width = GDISP_SCREEN_WIDTH;
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GDISP.Height = GDISP_SCREEN_HEIGHT;
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GDISP.Orientation = GDISP_ROTATE_0;
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GDISP.Powermode = powerOn;
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GDISP.Backlight = GDISP_INITIAL_BACKLIGHT;
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GDISP.Contrast = GDISP_INITIAL_CONTRAST;
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#if GDISP_NEED_VALIDATION || GDISP_NEED_CLIP
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GDISP.clipx0 = 0;
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GDISP.clipy0 = 0;
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GDISP.clipx1 = GDISP.Width;
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GDISP.clipy1 = GDISP.Height;
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#endif
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return TRUE;
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}
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static void lld_lcdSetCursor(uint16_t x, uint16_t y) {
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switch(GDISP.Orientation) {
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case GDISP_ROTATE_0:
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lld_lcdWriteReg(0x0020, x);
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lld_lcdWriteReg(0x0021, y);
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break;
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case GDISP_ROTATE_90:
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lld_lcdWriteReg(0x0020, y);
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lld_lcdWriteReg(0x0021, x);
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break;
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case GDISP_ROTATE_180:
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lld_lcdWriteReg(0x0020, x);
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lld_lcdWriteReg(0x0021, y);
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break;
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case GDISP_ROTATE_270:
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lld_lcdWriteReg(0x0020, y);
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lld_lcdWriteReg(0x0021, x);
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break;
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}
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}
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static void lld_lcdSetViewPort(uint16_t x, uint16_t y, uint16_t cx, uint16_t cy) {
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switch(GDISP.Orientation) {
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case GDISP_ROTATE_0:
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lld_lcdWriteReg(0x0050, x);
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lld_lcdWriteReg(0x0051, x + cx - 1);
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lld_lcdWriteReg(0x0052, y);
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lld_lcdWriteReg(0x0053, y + cy - 1);
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break;
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case GDISP_ROTATE_90:
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lld_lcdWriteReg(0x0050, y);
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lld_lcdWriteReg(0x0051, y + cy - 1);
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lld_lcdWriteReg(0x0052, x);
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lld_lcdWriteReg(0x0053, x + cx - 1);
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break;
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case GDISP_ROTATE_180:
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lld_lcdWriteReg(0x0050, x);
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lld_lcdWriteReg(0x0051, x + cx - 1);
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lld_lcdWriteReg(0x0052, y);
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lld_lcdWriteReg(0x0053, y + cy - 1);
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break;
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case GDISP_ROTATE_270:
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lld_lcdWriteReg(0x0050, y);
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lld_lcdWriteReg(0x0051, y + cy - 1);
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lld_lcdWriteReg(0x0052, x);
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lld_lcdWriteReg(0x0053, x + cx - 1);
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break;
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}
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lld_lcdSetCursor(x, y);
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}
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static inline void lld_lcdResetViewPort(void) {
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switch(GDISP.Orientation) {
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case GDISP_ROTATE_0:
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case GDISP_ROTATE_180:
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lld_lcdSetViewPort(0, 0, GDISP_SCREEN_WIDTH, GDISP_SCREEN_HEIGHT);
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break;
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case GDISP_ROTATE_90:
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case GDISP_ROTATE_270:
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lld_lcdSetViewPort(0, 0, GDISP_SCREEN_HEIGHT, GDISP_SCREEN_WIDTH);
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break;
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}
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}
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void gdisp_lld_draw_pixel(coord_t x, coord_t y, color_t color) {
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#if GDISP_NEED_VALIDATION || GDISP_NEED_CLIP
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if (x < GDISP.clipx0 || y < GDISP.clipy0 || x >= GDISP.clipx1 || y >= GDISP.clipy1) return;
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#endif
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lld_lcdSetCursor(x, y);
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lld_lcdWriteReg(0x0022, color);
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}
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#if GDISP_HARDWARE_CLEARS || defined(__DOXYGEN__)
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void gdisp_lld_clear(color_t color) {
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unsigned i;
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lld_lcdSetCursor(0, 0);
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lld_lcdWriteStreamStart();
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for(i = 0; i < GDISP_SCREEN_WIDTH * GDISP_SCREEN_HEIGHT; i++)
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lld_lcdWriteData(color);
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lld_lcdWriteStreamStop();
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}
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#endif
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#if GDISP_HARDWARE_FILLS || defined(__DOXYGEN__)
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void gdisp_lld_fill_area(coord_t x, coord_t y, coord_t cx, coord_t cy, color_t color) {
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#if GDISP_NEED_VALIDATION || GDISP_NEED_CLIP
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if (x < GDISP.clipx0) { cx -= GDISP.clipx0 - x; x = GDISP.clipx0; }
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if (y < GDISP.clipy0) { cy -= GDISP.clipy0 - y; y = GDISP.clipy0; }
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if (cx <= 0 || cy <= 0 || x >= GDISP.clipx1 || y >= GDISP.clipy1) return;
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if (x+cx > GDISP.clipx1) cx = GDISP.clipx1 - x;
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if (y+cy > GDISP.clipy1) cy = GDISP.clipy1 - y;
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#endif
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unsigned i, area;
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area = cx*cy;
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lld_lcdSetViewPort(x, y, cx, cy);
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lld_lcdWriteStreamStart();
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for(i = 0; i < area; i++)
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lld_lcdWriteData(color);
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lld_lcdWriteStreamStop();
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lld_lcdResetViewPort();
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}
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#endif
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#if GDISP_HARDWARE_BITFILLS || defined(__DOXYGEN__)
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void gdisp_lld_blit_area_ex(coord_t x, coord_t y, coord_t cx, coord_t cy, coord_t srcx, coord_t srcy, coord_t srccx, const pixel_t *buffer) {
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coord_t endx, endy;
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unsigned lg;
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#if GDISP_NEED_VALIDATION || GDISP_NEED_CLIP
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if (x < GDISP.clipx0) { cx -= GDISP.clipx0 - x; srcx += GDISP.clipx0 - x; x = GDISP.clipx0; }
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if (y < GDISP.clipy0) { cy -= GDISP.clipy0 - y; srcy += GDISP.clipy0 - y; y = GDISP.clipy0; }
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if (srcx+cx > srccx) cx = srccx - srcx;
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if (cx <= 0 || cy <= 0 || x >= GDISP.clipx1 || y >= GDISP.clipy1) return;
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if (x+cx > GDISP.clipx1) cx = GDISP.clipx1 - x;
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if (y+cy > GDISP.clipy1) cy = GDISP.clipy1 - y;
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#endif
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lld_lcdSetViewPort(x, y, cx, cy);
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lld_lcdWriteStreamStart();
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endx = srcx + cx;
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endy = y + cy;
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lg = srccx - cx;
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buffer += srcx + srcy * srccx;
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for(; y < endy; y++, buffer += lg)
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for(x=srcx; x < endx; x++)
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lld_lcdWriteData(*buffer++);
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lld_lcdWriteStreamStop();
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lld_lcdResetViewPort();
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}
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#endif
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#if (GDISP_NEED_PIXELREAD && GDISP_HARDWARE_PIXELREAD) || defined(__DOXYGEN__)
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color_t gdisp_lld_get_pixel_color(coord_t x, coord_t y) {
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color_t color;
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#if GDISP_NEED_VALIDATION || GDISP_NEED_CLIP
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if (x < 0 || x >= GDISP.Width || y < 0 || y >= GDISP.Height) return 0;
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#endif
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lld_lcdSetCursor(x, y);
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lld_lcdWriteStreamStart();
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color = lld_lcdReadData();
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color = lld_lcdReadData();
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lld_lcdWriteStreamStop();
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return color;
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}
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#endif
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#if (GDISP_NEED_SCROLL && GDISP_HARDWARE_SCROLL) || defined(__DOXYGEN__)
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void gdisp_lld_vertical_scroll(coord_t x, coord_t y, coord_t cx, coord_t cy, int lines, color_t bgcolor) {
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static color_t buf[((GDISP_SCREEN_HEIGHT > GDISP_SCREEN_WIDTH ) ? GDISP_SCREEN_HEIGHT : GDISP_SCREEN_WIDTH)];
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coord_t row0, row1;
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unsigned i, gap, abslines;
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#if GDISP_NEED_VALIDATION || GDISP_NEED_CLIP
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if (x < GDISP.clipx0) { cx -= GDISP.clipx0 - x; x = GDISP.clipx0; }
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if (y < GDISP.clipy0) { cy -= GDISP.clipy0 - y; y = GDISP.clipy0; }
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if (!lines || cx <= 0 || cy <= 0 || x >= GDISP.clipx1 || y >= GDISP.clipy1) return;
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if (x+cx > GDISP.clipx1) cx = GDISP.clipx1 - x;
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if (y+cy > GDISP.clipy1) cy = GDISP.clipy1 - y;
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#endif
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abslines = lines < 0 ? -lines : lines;
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if (abslines >= cy) {
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abslines = cy;
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gap = 0;
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} else {
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gap = cy - abslines;
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for(i = 0; i < gap; i++) {
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if(lines > 0) {
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row0 = y + i + lines;
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row1 = y + i;
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} else {
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row0 = (y - i - 1) + lines;
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row1 = (y - i - 1);
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}
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/* read row0 into the buffer and then write at row1*/
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lld_lcdSetViewPort(x, row0, cx, 1);
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lld_lcdReadStreamStart();
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lld_lcdReadStream(buf, cx);
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lld_lcdReadStreamStop();
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lld_lcdSetViewPort(x, row1, cx, 1);
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lld_lcdWriteStreamStart();
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lld_lcdWriteStream(buf, cx);
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lld_lcdWriteStreamStop();
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}
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}
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/* fill the remaining gap */
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lld_lcdSetViewPort(x, lines > 0 ? (y+gap) : y, cx, abslines);
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lld_lcdWriteStreamStart();
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gap = cx*abslines;
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for(i = 0; i < gap; i++) lld_lcdWriteData(bgcolor);
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lld_lcdWriteStreamStop();
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lld_lcdResetViewPort();
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}
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#endif
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#if (GDISP_NEED_CONTROL && GDISP_HARDWARE_CONTROL) || defined(__DOXYGEN__)
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void gdisp_lld_control(unsigned what, void *value) {
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switch(what) {
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case GDISP_CONTROL_POWER:
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if(GDISP.Powermode == (gdisp_powermode_t)value)
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return;
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switch((gdisp_powermode_t)value) {
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case powerOff:
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acquire_bus();
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lld_lcdWriteReg(0x0007, 0x0000);
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lld_lcdWriteReg(0x0010, 0x0000);
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lld_lcdWriteReg(0x0011, 0x0000);
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lld_lcdWriteReg(0x0012, 0x0000);
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lld_lcdWriteReg(0x0013, 0x0000);
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release_bus();
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gdisp_lld_backlight(0);
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break;
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case powerOn:
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//*************Power On sequence ******************//
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acquire_bus();
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lld_lcdWriteReg(0x0010, 0x0000); /* SAP, BT[3:0], AP, DSTB, SLP, STB */
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lld_lcdWriteReg(0x0011, 0x0000); /* DC1[2:0], DC0[2:0], VC[2:0] */
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lld_lcdWriteReg(0x0012, 0x0000); /* VREG1OUT voltage */
|
|
lld_lcdWriteReg(0x0013, 0x0000); /* VDV[4:0] for VCOM amplitude */
|
|
lld_lcdDelay(2000); /* Dis-charge capacitor power voltage */
|
|
lld_lcdWriteReg(0x0010, 0x17B0); /* SAP, BT[3:0], AP, DSTB, SLP, STB */
|
|
lld_lcdWriteReg(0x0011, 0x0147); /* DC1[2:0], DC0[2:0], VC[2:0] */
|
|
lld_lcdDelay(500);
|
|
lld_lcdWriteReg(0x0012, 0x013C); /* VREG1OUT voltage */
|
|
lld_lcdDelay(500);
|
|
lld_lcdWriteReg(0x0013, 0x0E00); /* VDV[4:0] for VCOM amplitude */
|
|
lld_lcdWriteReg(0x0029, 0x0009); /* VCM[4:0] for VCOMH */
|
|
lld_lcdDelay(500);
|
|
lld_lcdWriteReg(0x0007, 0x0173); /* 262K color and display ON */
|
|
release_bus();
|
|
|
|
gdisp_lld_backlight(GDISP.Backlight);
|
|
if(GDISP.Powermode != powerSleep || GDISP.Powermode != powerDeepSleep)
|
|
gdisp_lld_init();
|
|
break;
|
|
|
|
case powerSleep:
|
|
acquire_bus();
|
|
lld_lcdWriteReg(0x0007, 0x0000); /* display OFF */
|
|
lld_lcdWriteReg(0x0010, 0x0000); /* SAP, BT[3:0], APE, AP, DSTB, SLP */
|
|
lld_lcdWriteReg(0x0011, 0x0000); /* DC1[2:0], DC0[2:0], VC[2:0] */
|
|
lld_lcdWriteReg(0x0012, 0x0000); /* VREG1OUT voltage */
|
|
lld_lcdWriteReg(0x0013, 0x0000); /* VDV[4:0] for VCOM amplitude */
|
|
lld_lcdDelay(2000); /* Dis-charge capacitor power voltage */
|
|
lld_lcdWriteReg(0x0010, 0x0002); /* SAP, BT[3:0], APE, AP, DSTB, SLP */
|
|
release_bus();
|
|
|
|
gdisp_lld_backlight(0);
|
|
break;
|
|
|
|
case powerDeepSleep:
|
|
acquire_bus();
|
|
lld_lcdWriteReg(0x0007, 0x0000); /* display OFF */
|
|
lld_lcdWriteReg(0x0010, 0x0000); /* SAP, BT[3:0], APE, AP, DSTB, SLP */
|
|
lld_lcdWriteReg(0x0011, 0x0000); /* DC1[2:0], DC0[2:0], VC[2:0] */
|
|
lld_lcdWriteReg(0x0012, 0x0000); /* VREG1OUT voltage */
|
|
lld_lcdWriteReg(0x0013, 0x0000); /* VDV[4:0] for VCOM amplitude */
|
|
lld_lcdDelay(2000); /* Dis-charge capacitor power voltage */
|
|
lld_lcdWriteReg(0x0010, 0x0004); /* SAP, BT[3:0], APE, AP, DSTB, SLP */
|
|
release_bus();
|
|
|
|
gdisp_lld_backlight(0);
|
|
break;
|
|
|
|
default:
|
|
return;
|
|
}
|
|
GDISP.Powermode = (gdisp_powermode_t)value;
|
|
return;
|
|
|
|
case GDISP_CONTROL_ORIENTATION:
|
|
if(GDISP.Orientation == (gdisp_orientation_t)value)
|
|
return;
|
|
switch((gdisp_orientation_t)value) {
|
|
case GDISP_ROTATE_0:
|
|
acquire_bus();
|
|
lld_lcdWriteReg(0x0001, 0x0100);
|
|
lld_lcdWriteReg(0x0003, 0x1038);
|
|
lld_lcdWriteReg(0x0060, 0x2700);
|
|
release_bus();
|
|
|
|
GDISP.Height = GDISP_SCREEN_HEIGHT;
|
|
GDISP.Width = GDISP_SCREEN_WIDTH;
|
|
break;
|
|
|
|
case GDISP_ROTATE_90:
|
|
acquire_bus();
|
|
lld_lcdWriteReg(0x0001, 0x0000);
|
|
lld_lcdWriteReg(0x0003, 0x1030);
|
|
lld_lcdWriteReg(0x0060, 0x2700);
|
|
release_bus();
|
|
|
|
GDISP.Height = GDISP_SCREEN_WIDTH;
|
|
GDISP.Width = GDISP_SCREEN_HEIGHT;
|
|
break;
|
|
|
|
case GDISP_ROTATE_180:
|
|
acquire_bus();
|
|
lld_lcdWriteReg(0x0001, 0x0000);
|
|
lld_lcdWriteReg(0x0003, 0x1038);
|
|
lld_lcdWriteReg(0x0060, 0xa700);
|
|
release_bus();
|
|
|
|
GDISP.Height = GDISP_SCREEN_HEIGHT;
|
|
GDISP.Width = GDISP_SCREEN_WIDTH;
|
|
break;
|
|
|
|
case GDISP_ROTATE_270:
|
|
acquire_bus();
|
|
lld_lcdWriteReg(0x0001, 0x0100);
|
|
lld_lcdWriteReg(0x0003, 0x1030);
|
|
lld_lcdWriteReg(0x0060, 0xA700);
|
|
release_bus();
|
|
|
|
GDISP.Height = GDISP_SCREEN_WIDTH;
|
|
GDISP.Width = GDISP_SCREEN_HEIGHT;
|
|
break;
|
|
|
|
default:
|
|
return;
|
|
}
|
|
|
|
#if GDISP_NEED_CLIP || GDISP_NEED_VALIDATION
|
|
GDISP.clipx0 = 0;
|
|
GDISP.clipy0 = 0;
|
|
GDISP.clipx1 = GDISP.Width;
|
|
GDISP.clipy1 = GDISP.Height;
|
|
#endif
|
|
GDISP.Orientation = (gdisp_orientation_t)value;
|
|
return;
|
|
|
|
case GDISP_CONTROL_BACKLIGHT:
|
|
if((unsigned)value > 100) value = (void *)100;
|
|
gdisp_lld_backlight((unsigned)value);
|
|
GDISP.Backlight = (unsigned)value;
|
|
break;
|
|
|
|
default:
|
|
return;
|
|
}
|
|
}
|
|
|
|
#endif
|
|
|
|
#endif /* GFX_USE_GDISP */
|
|
/** @} */
|
|
|