SSD1289 update by user Eddie

1 files changed, 647 insertions, 568 deletions

diff --git a/drivers/gdisp/SSD1289/gdisp_lld.c b/drivers/gdisp/SSD1289/gdisp_lld.c
index 7b603520..39795362 100644
--- a/drivers/gdisp/SSD1289/gdisp_lld.c
+++ b/drivers/gdisp/SSD1289/gdisp_lld.c
@@ -1,568 +1,647 @@
-/*
- * This file is subject to the terms of the GFX License, v1.0. If a copy of
- * the license was not distributed with this file, you can obtain one at:
- *
- *              http://chibios-gfx.com/license.html
- */
-
-/**
- * @file    drivers/gdisp/SSD1289/gdisp_lld.c
- * @brief   GDISP Graphics Driver subsystem low level driver source for the SSD1289 display.
- *
- * @addtogroup GDISP
- * @{
- */
-
-#include "gfx.h"
-
-#if GFX_USE_GDISP /*|| defined(__DOXYGEN__)*/
-
-/* Include the emulation code for things we don't support */
-#include "gdisp/lld/emulation.c"
-
-/*===========================================================================*/
-/* Driver local definitions.                                                 */
-/*===========================================================================*/
-
-#ifndef GDISP_SCREEN_HEIGHT
-	#define GDISP_SCREEN_HEIGHT		320
-#endif
-#ifndef GDISP_SCREEN_WIDTH
-	#define GDISP_SCREEN_WIDTH		240
-#endif
-
-#define GDISP_INITIAL_CONTRAST	50
-#define GDISP_INITIAL_BACKLIGHT	100
-
-/*===========================================================================*/
-/* Driver local functions.                                                   */
-/*===========================================================================*/
-
-#if defined(GDISP_USE_CUSTOM_BOARD) && GDISP_USE_CUSTOM_BOARD
-	/* Include the user supplied board definitions */
-	#include "gdisp_lld_board.h"
-#elif defined(BOARD_FIREBULL_STM32_F103)
-	#include "gdisp_lld_board_firebullstm32f103.h"
-#else
-	/* Include the user supplied board definitions */
-	#include "gdisp_lld_board.h"
-#endif
-
-// Some common routines and macros
-#define write_reg(reg, data)		{ write_index(reg); write_data(data); }
-#define stream_start()				write_index(0x0022);
-#define stream_stop()
-#define delay(us)					gfxSleepMicroseconds(us)
-#define delayms(ms)					gfxSleepMilliseconds(ms)
-
-static inline void set_cursor(coord_t x, coord_t y) {
-	/* Reg 0x004E is an 8 bit value
-	 * Reg 0x004F is 9 bit
-	 * Use a bit mask to make sure they are not set too high
-	 */
-	switch(GDISP.Orientation) {
-		case GDISP_ROTATE_180:
-			write_reg(0x004e, (GDISP_SCREEN_WIDTH-1-x) & 0x00FF);
-			write_reg(0x004f, (GDISP_SCREEN_HEIGHT-1-y) & 0x01FF);
-			break;
-		case GDISP_ROTATE_0:
-			write_reg(0x004e, x & 0x00FF);
-			write_reg(0x004f, y & 0x01FF);
-			break;
-		case GDISP_ROTATE_270:
-			write_reg(0x004e, y & 0x00FF);
-			write_reg(0x004f, x & 0x01FF);
-			break;
-		case GDISP_ROTATE_90:
-			write_reg(0x004e, (GDISP_SCREEN_WIDTH - y - 1) & 0x00FF);
-			write_reg(0x004f, (GDISP_SCREEN_HEIGHT - x - 1) & 0x01FF);
-			break;
-	}
-}
-
-static void set_viewport(coord_t x, coord_t y, coord_t cx, coord_t cy) {
-
-	set_cursor(x, y);
-
-	/* Reg 0x44 - Horizontal RAM address position
-	 * 		Upper Byte - HEA
-	 * 		Lower Byte - HSA
-	 * 		0 <= HSA <= HEA <= 0xEF
-	 * Reg 0x45,0x46 - Vertical RAM address position
-	 * 		Lower 9 bits gives 0-511 range in each value
-	 * 		0 <= Reg(0x45) <= Reg(0x46) <= 0x13F
-	 */
-
-	switch(GDISP.Orientation) {
-		case GDISP_ROTATE_0:
-			write_reg(0x44, (((x+cx-1) << 8) & 0xFF00 ) | (x & 0x00FF));
-			write_reg(0x45, y & 0x01FF);
-			write_reg(0x46, (y+cy-1) & 0x01FF);
-			break;
-		case GDISP_ROTATE_270:
-			write_reg(0x44, (((x+cx-1) << 8) & 0xFF00 ) | (y & 0x00FF));
-			write_reg(0x45, x & 0x01FF);
-			write_reg(0x46, (x+cx-1) & 0x01FF);
-			break;
-		case GDISP_ROTATE_180:
-			write_reg(0x44, (((GDISP_SCREEN_WIDTH-x-1) & 0x00FF) << 8) | ((GDISP_SCREEN_WIDTH - (x+cx)) & 0x00FF));
-			write_reg(0x45, (GDISP_SCREEN_HEIGHT-(y+cy)) & 0x01FF);
-			write_reg(0x46, (GDISP_SCREEN_HEIGHT-y-1) & 0x01FF);
-			break;
-		case GDISP_ROTATE_90:
-			write_reg(0x44, (((GDISP_SCREEN_WIDTH - y - 1) & 0x00FF) << 8) | ((GDISP_SCREEN_WIDTH - (y+cy)) & 0x00FF));
-			write_reg(0x45, (GDISP_SCREEN_HEIGHT - (x+cx)) & 0x01FF);
-			write_reg(0x46, (GDISP_SCREEN_HEIGHT - x - 1) & 0x01FF);
-			break;
-	}
-
-	set_cursor(x, y);
-}
-
-static inline void reset_viewport(void) {
-	set_viewport(0, 0, GDISP.Width, GDISP.Height);
-}
-
-/*===========================================================================*/
-/* Driver interrupt handlers.                                                */
-/*===========================================================================*/
-
-/*===========================================================================*/
-/* Driver exported functions.                                                */
-/*===========================================================================*/
-
-/* ---- Required Routines ---- */
-/*
-	The following 2 routines are required.
-	All other routines are optional.
-*/
-
-/**
- * @brief   Low level GDISP driver initialization.
- *
- * @notapi
- */
-bool_t gdisp_lld_init(void) {
-	/* Initialise your display */
-	init_board();
-
-	// Hardware reset
-	setpin_reset(TRUE);
-	delayms(20);
-	setpin_reset(FALSE);
-	delayms(20);
-
-	// Get the bus for the following initialisation commands
-	acquire_bus();
-	
-	write_reg(0x0000,0x0001);		delay(5);
-	write_reg(0x0003,0xA8A4);    	delay(5);
-	write_reg(0x000C,0x0000);    	delay(5);
-	write_reg(0x000D,0x080C);    	delay(5);
-    write_reg(0x000E,0x2B00);    	delay(5);
-    write_reg(0x001E,0x00B0);    	delay(5);
-	write_reg(0x0001,0x2B3F);		delay(5);
-    write_reg(0x0002,0x0600);    	delay(5);
-    write_reg(0x0010,0x0000);    	delay(5);
-    write_reg(0x0011,0x6070);    	delay(5);
-    write_reg(0x0005,0x0000);    	delay(5);
-    write_reg(0x0006,0x0000);    	delay(5);
-    write_reg(0x0016,0xEF1C);    	delay(5);
-    write_reg(0x0017,0x0003);    	delay(5);
-    write_reg(0x0007,0x0133);    	delay(5);
-    write_reg(0x000B,0x0000);    	delay(5);
-    write_reg(0x000F,0x0000);    	delay(5);
-    write_reg(0x0041,0x0000);    	delay(5);
-    write_reg(0x0042,0x0000);    	delay(5);
-    write_reg(0x0048,0x0000);    	delay(5);
-    write_reg(0x0049,0x013F);    	delay(5);
-    write_reg(0x004A,0x0000);    	delay(5);
-    write_reg(0x004B,0x0000);    	delay(5);
-    write_reg(0x0044,0xEF00);    	delay(5);
-    write_reg(0x0045,0x0000);    	delay(5);
-    write_reg(0x0046,0x013F);    	delay(5);
-    write_reg(0x0030,0x0707);    	delay(5);
-    write_reg(0x0031,0x0204);    	delay(5);
-    write_reg(0x0032,0x0204);    	delay(5);
-    write_reg(0x0033,0x0502);    	delay(5);
-    write_reg(0x0034,0x0507);    	delay(5);
-    write_reg(0x0035,0x0204);    	delay(5);
-    write_reg(0x0036,0x0204);    	delay(5);
-    write_reg(0x0037,0x0502);    	delay(5);
-    write_reg(0x003A,0x0302);    	delay(5);
-    write_reg(0x003B,0x0302);    	delay(5);
-    write_reg(0x0023,0x0000);    	delay(5);
-    write_reg(0x0024,0x0000);    	delay(5);
-    write_reg(0x0025,0x8000);    	delay(5);
-    write_reg(0x004f,0x0000);		delay(5);
-    write_reg(0x004e,0x0000);		delay(5);
-
- 	// Release the bus
-	release_bus();
-	
-	/* Turn on the back-light */
-	set_backlight(GDISP_INITIAL_BACKLIGHT);
-
-   /* Initialise the GDISP structure */
-	GDISP.Width = GDISP_SCREEN_WIDTH;
-	GDISP.Height = GDISP_SCREEN_HEIGHT;
-	GDISP.Orientation = GDISP_ROTATE_0;
-	GDISP.Powermode = powerOn;
-	GDISP.Backlight = GDISP_INITIAL_BACKLIGHT;
-	GDISP.Contrast = GDISP_INITIAL_CONTRAST;
-	#if GDISP_NEED_VALIDATION || GDISP_NEED_CLIP
-		GDISP.clipx0 = 0;
-		GDISP.clipy0 = 0;
-		GDISP.clipx1 = GDISP.Width;
-		GDISP.clipy1 = GDISP.Height;
-	#endif
-	return TRUE;
-}
-
-/**
- * @brief   Draws a pixel on the display.
- *
- * @param[in] x        X location of the pixel
- * @param[in] y        Y location of the pixel
- * @param[in] color    The color of the pixel
- *
- * @notapi
- */
-void gdisp_lld_draw_pixel(coord_t x, coord_t y, color_t color) {
-	#if GDISP_NEED_VALIDATION || GDISP_NEED_CLIP
-		if (x < GDISP.clipx0 || y < GDISP.clipy0 || x >= GDISP.clipx1 || y >= GDISP.clipy1) return;
-	#endif
-	
-	acquire_bus();
-	set_cursor(x, y);
-	write_reg(0x0022, color);
-	release_bus();
-}
-
-/* ---- Optional Routines ---- */
-/*
-	All the below routines are optional.
-	Defining them will increase speed but everything
-	will work if they are not defined.
-	If you are not using a routine - turn it off using
-	the appropriate GDISP_HARDWARE_XXXX macro.
-	Don't bother coding for obvious similar routines if
-	there is no performance penalty as the emulation software
-	makes a good job of using similar routines.
-		eg. If gfillarea() is defined there is little
-			point in defining clear() unless the
-			performance bonus is significant.
-	For good performance it is suggested to implement
-		fillarea() and blitarea().
-*/
-
-#if GDISP_HARDWARE_CLEARS || defined(__DOXYGEN__)
-	/**
-	 * @brief   Clear the display.
-	 * @note    Optional - The high level driver can emulate using software.
-	 *
-	 * @param[in] color    The color of the pixel
-	 *
-	 * @notapi
-	 */
-	void gdisp_lld_clear(color_t color) {
-		unsigned i;
-
-		acquire_bus();
-		reset_viewport();
-		set_cursor(0, 0);
-		stream_start();
-		for(i = 0; i < GDISP_SCREEN_WIDTH * GDISP_SCREEN_HEIGHT; i++)
-			write_data(color);
-		stream_stop();
-		release_bus();
-	}
-#endif
-
-#if GDISP_HARDWARE_FILLS || defined(__DOXYGEN__)
-	/**
-	 * @brief   Fill an area with a color.
-	 * @note    Optional - The high level driver can emulate using software.
-	 *
-	 * @param[in] x, y     The start filled area
-	 * @param[in] cx, cy   The width and height to be filled
-	 * @param[in] color    The color of the fill
-	 *
-	 * @notapi
-	 */
-	void gdisp_lld_fill_area(coord_t x, coord_t y, coord_t cx, coord_t cy, color_t color) {
-		unsigned i, area;
-
-		#if GDISP_NEED_VALIDATION || GDISP_NEED_CLIP
-			if (x < GDISP.clipx0) { cx -= GDISP.clipx0 - x; x = GDISP.clipx0; }
-			if (y < GDISP.clipy0) { cy -= GDISP.clipy0 - y; y = GDISP.clipy0; }
-			if (cx <= 0 || cy <= 0 || x >= GDISP.clipx1 || y >= GDISP.clipy1) return;
-			if (x+cx > GDISP.clipx1)	cx = GDISP.clipx1 - x;
-			if (y+cy > GDISP.clipy1)	cy = GDISP.clipy1 - y;
-		#endif
-
-		area = cx*cy;
-
-		acquire_bus();
-		set_viewport(x, y, cx, cy);
-		stream_start();
-		for(i = 0; i < area; i++)
-			write_data(color);
-		stream_stop();
-		release_bus();
-	}
-#endif
-
-#if GDISP_HARDWARE_BITFILLS || defined(__DOXYGEN__)
-	/**
-	 * @brief   Fill an area with a bitmap.
-	 * @note    Optional - The high level driver can emulate using software.
-	 *
-	 * @param[in] x, y     The start filled area
-	 * @param[in] cx, cy   The width and height to be filled
-	 * @param[in] srcx, srcy   The bitmap position to start the fill from
-	 * @param[in] srccx    The width of a line in the bitmap.
-	 * @param[in] buffer   The pixels to use to fill the area.
-	 *
-	 * @notapi
-	 */
-	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) {
-		coord_t endx, endy;
-		unsigned lg;
-
-		#if GDISP_NEED_VALIDATION || GDISP_NEED_CLIP
-			if (x < GDISP.clipx0) { cx -= GDISP.clipx0 - x; srcx += GDISP.clipx0 - x; x = GDISP.clipx0; }
-			if (y < GDISP.clipy0) { cy -= GDISP.clipy0 - y; srcy += GDISP.clipy0 - y; y = GDISP.clipy0; }
-			if (srcx+cx > srccx)		cx = srccx - srcx;
-			if (cx <= 0 || cy <= 0 || x >= GDISP.clipx1 || y >= GDISP.clipy1) return;
-			if (x+cx > GDISP.clipx1)	cx = GDISP.clipx1 - x;
-			if (y+cy > GDISP.clipy1)	cy = GDISP.clipy1 - y;
-		#endif
-
-		acquire_bus();
-		set_viewport(x, y, cx, cy);
-		stream_start();
-
-		endx = srcx + cx;
-		endy = y + cy;
-		lg = srccx - cx;
-		buffer += srcx + srcy * srccx;
-		for(; y < endy; y++, buffer += lg)
-			for(x=srcx; x < endx; x++)
-				write_data(*buffer++);
-		stream_stop();
-		release_bus();
-	}
-#endif
-
-#if (GDISP_NEED_PIXELREAD && GDISP_HARDWARE_PIXELREAD) || defined(__DOXYGEN__)
-	/**
-	 * @brief   Get the color of a particular pixel.
-	 * @note    Optional.
-	 * @note    If x,y is off the screen, the result is undefined.
-	 *
-	 * @param[in] x, y     The pixel to be read
-	 *
-	 * @notapi
-	 */
-	color_t gdisp_lld_get_pixel_color(coord_t x, coord_t y) {
-		color_t color;
-
-		#if GDISP_NEED_VALIDATION || GDISP_NEED_CLIP
-			if (x < 0 || x >= GDISP.Width || y < 0 || y >= GDISP.Height) return 0;
-		#endif
-
-		acquire_bus();
-		set_cursor(x, y);
-		stream_start();
-		color = read_data();			// dummy read
-		color = read_data();
-		stream_stop();
-		release_bus();
-
-		return color;
-	}
-#endif
-
-#if (GDISP_NEED_SCROLL && GDISP_HARDWARE_SCROLL) || defined(__DOXYGEN__)
-	/**
-	 * @brief   Scroll vertically a section of the screen.
-	 * @note    Optional.
-	 * @note    If x,y + cx,cy is off the screen, the result is undefined.
-	 * @note    If lines is >= cy, it is equivelent to a area fill with bgcolor.
-	 *
-	 * @param[in] x, y     The start of the area to be scrolled
-	 * @param[in] cx, cy   The size of the area to be scrolled
-	 * @param[in] lines    The number of lines to scroll (Can be positive or negative)
-	 * @param[in] bgcolor  The color to fill the newly exposed area.
-	 *
-	 * @notapi
-	 */
-	void gdisp_lld_vertical_scroll(coord_t x, coord_t y, coord_t cx, coord_t cy, int lines, color_t bgcolor) {
-		static color_t buf[((GDISP_SCREEN_HEIGHT > GDISP_SCREEN_WIDTH ) ? GDISP_SCREEN_HEIGHT : GDISP_SCREEN_WIDTH)];
-		coord_t row0, row1;
-		unsigned i, gap, abslines, j;
-
-		#if GDISP_NEED_VALIDATION || GDISP_NEED_CLIP
-			if (x < GDISP.clipx0) { cx -= GDISP.clipx0 - x; x = GDISP.clipx0; }
-			if (y < GDISP.clipy0) { cy -= GDISP.clipy0 - y; y = GDISP.clipy0; }
-			if (!lines || cx <= 0 || cy <= 0 || x >= GDISP.clipx1 || y >= GDISP.clipy1) return;
-			if (x+cx > GDISP.clipx1)	cx = GDISP.clipx1 - x;
-			if (y+cy > GDISP.clipy1)	cy = GDISP.clipy1 - y;
-		#endif
-
-		abslines = lines < 0 ? -lines : lines;
-
-		acquire_bus();
-		if ((coord_t)abslines >= cy) {
-			abslines = cy;
-			gap = 0;
-		} else {
-			gap = cy - abslines;
-			for(i = 0; i < gap; i++) {
-				if(lines > 0) {
-					row0 = y + i + lines;
-					row1 = y + i;
-				} else {
-					row0 = (y - i - 1) + lines;
-					row1 = (y - i - 1);
-				}
-
-				/* read row0 into the buffer and then write at row1*/
-				set_viewport(x, row0, cx, 1);
-				stream_start();
-				j = read_data();			// dummy read
-				for (j = 0; (coord_t)j < cx; j++)
-					buf[j] = read_data();
-				stream_stop();
-
-				set_viewport(x, row1, cx, 1);
-				stream_start();
-				for (j = 0; (coord_t)j < cx; j++)
-					write_data(buf[j]);
-				stream_stop();
-			}
-		}
-
-		/* fill the remaining gap */
-		set_viewport(x, lines > 0 ? (y+(coord_t)gap) : y, cx, abslines);
-		stream_start();
-		gap = cx*abslines;
-		for(i = 0; i < gap; i++) write_data(bgcolor);
-		stream_stop();
-		release_bus();
-	}
-#endif
-
-#if (GDISP_NEED_CONTROL && GDISP_HARDWARE_CONTROL) || defined(__DOXYGEN__)
-	/**
-	 * @brief   Driver Control
-	 * @details	Unsupported control codes are ignored.
-	 * @note	The value parameter should always be typecast to (void *).
-	 * @note	There are some predefined and some specific to the low level driver.
-	 * @note	GDISP_CONTROL_POWER			- Takes a gdisp_powermode_t
-	 * 			GDISP_CONTROL_ORIENTATION	- Takes a gdisp_orientation_t
-	 * 			GDISP_CONTROL_BACKLIGHT -	 Takes an int from 0 to 100. For a driver
-	 * 											that only supports off/on anything other
-	 * 											than zero is on.
-	 * 			GDISP_CONTROL_CONTRAST		- Takes an int from 0 to 100.
-	 * 			GDISP_CONTROL_LLD			- Low level driver control constants start at
-	 * 											this value.
-	 *
-	 * @param[in] what		What to do.
-	 * @param[in] value		The value to use (always cast to a void *).
-	 *
-	 * @notapi
-	 */
-	void gdisp_lld_control(unsigned what, void *value) {
-		switch(what) {
-		case GDISP_CONTROL_POWER:
-			if (GDISP.Powermode == (gdisp_powermode_t)value)
-				return;
-			switch((gdisp_powermode_t)value) {
-			case powerOff:
-				acquire_bus();
-				write_reg(0x0010, 0x0000);	// leave sleep mode
-				write_reg(0x0007, 0x0000);	// halt operation
-				write_reg(0x0000, 0x0000);	// turn off oszillator
-				write_reg(0x0010, 0x0001);	// enter sleepmode
-				release_bus();
-				break;
-			case powerOn:
-				acquire_bus();
-				write_reg(0x0010, 0x0000);	// leave sleep mode
-				release_bus();
-				if (GDISP.Powermode != powerSleep)
-					gdisp_lld_init();
-				break;
-			case powerSleep:
-				acquire_bus();
-				write_reg(0x0010, 0x0001);	// enter sleep mode
-				release_bus();
-				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();
-				write_reg(0x0001, 0x2B3F);
-				/* ID = 11 AM = 0 */
-				write_reg(0x0011, 0x6070);
-				release_bus();
-				GDISP.Height = GDISP_SCREEN_HEIGHT;
-				GDISP.Width = GDISP_SCREEN_WIDTH;
-				break;
-			case GDISP_ROTATE_90:
-				acquire_bus();
-				write_reg(0x0001, 0x293F);
-				/* ID = 11 AM = 1 */
-				write_reg(0x0011, 0x6078);
-				release_bus();
-				GDISP.Height = GDISP_SCREEN_WIDTH;
-				GDISP.Width = GDISP_SCREEN_HEIGHT;
-				break;
-			case GDISP_ROTATE_180:
-				acquire_bus();
-				write_reg(0x0001, 0x2B3F);
-				/* ID = 01 AM = 0 */
-				write_reg(0x0011, 0x6040);
-				release_bus();
-				GDISP.Height = GDISP_SCREEN_HEIGHT;
-				GDISP.Width = GDISP_SCREEN_WIDTH;
-				break;
-			case GDISP_ROTATE_270:
-				acquire_bus();
-				write_reg(0x0001, 0x293F);
-				/* ID = 01 AM = 1 */
-				write_reg(0x0011, 0x6048);
-				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:
-		case GDISP_CONTROL_CONTRAST:
-*/
-		}
-	}
-#endif
-
-#endif /* GFX_USE_GDISP */
-/** @} */
+/*

+ * This file is subject to the terms of the GFX License, v1.0. If a copy of

+ * the license was not distributed with this file, you can obtain one at:

+ *

+ *              http://chibios-gfx.com/license.html

+ */

+

+/**

+ * @file    drivers/gdisp/SSD1289/gdisp_lld.c

+ * @brief   GDISP Graphics Driver subsystem low level driver source for the SSD1289 display.

+ *

+ * @addtogroup GDISP

+ * @{

+ */

+

+#include "gfx.h"

+

+#if GFX_USE_GDISP /*|| defined(__DOXYGEN__)*/

+

+/* Include the emulation code for things we don't support */

+#include "gdisp/lld/emulation.c"

+

+/*===========================================================================*/

+/* Driver local definitions.                                                 */

+/*===========================================================================*/

+

+#ifndef GDISP_SCREEN_HEIGHT

+	#define GDISP_SCREEN_HEIGHT		320

+#endif

+#ifndef GDISP_SCREEN_WIDTH

+	#define GDISP_SCREEN_WIDTH		240

+#endif

+

+#define GDISP_INITIAL_CONTRAST	50

+#define GDISP_INITIAL_BACKLIGHT	100

+

+/*===========================================================================*/

+/* Driver local functions.                                                   */

+/*===========================================================================*/

+

+#if defined(GDISP_USE_CUSTOM_BOARD) && GDISP_USE_CUSTOM_BOARD

+	/* Include the user supplied board definitions */

+	#include "gdisp_lld_board.h"

+#elif defined(BOARD_FIREBULL_STM32_F103)

+	#include "gdisp_lld_board_firebullstm32f103.h"

+#elif defined(BOARD_ST_STM32F4_DISCOVERY)

+    #include "gdisp_lld_board_st_stm32f4_discovery.h"

+#else

+	/* Include the user supplied board definitions */

+	#include "gdisp_lld_board.h"

+#endif

+

+// Some common routines and macros

+#define write_reg(reg, data)		{ write_index(reg); write_data(data); }

+#define stream_start()				write_index(0x0022);

+#define stream_stop()

+#define delay(us)					gfxSleepMicroseconds(us)

+#define delayms(ms)					gfxSleepMilliseconds(ms)

+

+static inline void set_cursor(coord_t x, coord_t y) {

+	/* Reg 0x004E is an 8 bit value

+	 * Reg 0x004F is 9 bit

+	 * Use a bit mask to make sure they are not set too high

+	 */

+	switch(GDISP.Orientation) {

+		case GDISP_ROTATE_180:

+			write_reg(0x004e, (GDISP_SCREEN_WIDTH-1-x) & 0x00FF);

+			write_reg(0x004f, (GDISP_SCREEN_HEIGHT-1-y) & 0x01FF);

+			break;

+		case GDISP_ROTATE_0:

+			write_reg(0x004e, x & 0x00FF);

+			write_reg(0x004f, y & 0x01FF);

+			break;

+		case GDISP_ROTATE_270:

+			write_reg(0x004e, y & 0x00FF);

+			write_reg(0x004f, x & 0x01FF);

+			break;

+		case GDISP_ROTATE_90:

+			write_reg(0x004e, (GDISP_SCREEN_WIDTH - y - 1) & 0x00FF);

+			write_reg(0x004f, (GDISP_SCREEN_HEIGHT - x - 1) & 0x01FF);

+			break;

+	}

+}

+

+static void set_viewport(coord_t x, coord_t y, coord_t cx, coord_t cy) {

+

+	//set_cursor(x, y);

+

+	/* Reg 0x44 - Horizontal RAM address position

+	 * 		Upper Byte - HEA

+	 * 		Lower Byte - HSA

+	 * 		0 <= HSA <= HEA <= 0xEF

+	 * Reg 0x45,0x46 - Vertical RAM address position

+	 * 		Lower 9 bits gives 0-511 range in each value

+	 * 		0 <= Reg(0x45) <= Reg(0x46) <= 0x13F

+	 */

+

+	switch(GDISP.Orientation) {

+		case GDISP_ROTATE_0:

+			write_reg(0x44, (((x+cx-1) << 8) & 0xFF00 ) | (x & 0x00FF));

+			write_reg(0x45, y & 0x01FF);

+			write_reg(0x46, (y+cy-1) & 0x01FF);

+			break;

+		case GDISP_ROTATE_270:

+			write_reg(0x44, (((x+cx-1) << 8) & 0xFF00 ) | (y & 0x00FF));

+			write_reg(0x45, x & 0x01FF);

+			write_reg(0x46, (x+cx-1) & 0x01FF);

+			break;

+		case GDISP_ROTATE_180:

+			write_reg(0x44, (((GDISP_SCREEN_WIDTH-x-1) & 0x00FF) << 8) | ((GDISP_SCREEN_WIDTH - (x+cx)) & 0x00FF));

+			write_reg(0x45, (GDISP_SCREEN_HEIGHT-(y+cy)) & 0x01FF);

+			write_reg(0x46, (GDISP_SCREEN_HEIGHT-y-1) & 0x01FF);

+			break;

+		case GDISP_ROTATE_90:

+			write_reg(0x44, (((GDISP_SCREEN_WIDTH - y - 1) & 0x00FF) << 8) | ((GDISP_SCREEN_WIDTH - (y+cy)) & 0x00FF));

+			write_reg(0x45, (GDISP_SCREEN_HEIGHT - (x+cx)) & 0x01FF);

+			write_reg(0x46, (GDISP_SCREEN_HEIGHT - x - 1) & 0x01FF);

+			break;

+	}

+

+	set_cursor(x, y);

+}

+

+static inline void reset_viewport(void) {

+	set_viewport(0, 0, GDISP.Width, GDISP.Height);

+}

+

+/*===========================================================================*/

+/* Driver interrupt handlers.                                                */

+/*===========================================================================*/

+

+/*===========================================================================*/

+/* Driver exported functions.                                                */

+/*===========================================================================*/

+

+/* ---- Required Routines ---- */

+/*

+	The following 2 routines are required.

+	All other routines are optional.

+*/

+

+/**

+ * @brief   Low level GDISP driver initialization.

+ *

+ * @notapi

+ */

+bool_t gdisp_lld_init(void) {

+	/* Initialise your display */

+	init_board();

+

+	// Hardware reset

+	setpin_reset(TRUE);

+	delayms(20);

+	setpin_reset(FALSE);

+	delayms(20);

+

+	// Get the bus for the following initialisation commands

+	acquire_bus();

+	

+	write_reg(0x0000,0x0001);		delay(5);

+	write_reg(0x0003,0xA8A4);    	delay(5);

+	write_reg(0x000C,0x0000);    	delay(5);

+	write_reg(0x000D,0x080C);    	delay(5);

+    write_reg(0x000E,0x2B00);    	delay(5);

+    write_reg(0x001E,0x00B0);    	delay(5);

+	write_reg(0x0001,0x2B3F);		delay(5);

+    write_reg(0x0002,0x0600);    	delay(5);

+    write_reg(0x0010,0x0000);    	delay(5);

+    write_reg(0x0011,0x6070);    	delay(5);

+    write_reg(0x0005,0x0000);    	delay(5);

+    write_reg(0x0006,0x0000);    	delay(5);

+    write_reg(0x0016,0xEF1C);    	delay(5);

+    write_reg(0x0017,0x0003);    	delay(5);

+    write_reg(0x0007,0x0133);    	delay(5);

+    write_reg(0x000B,0x0000);    	delay(5);

+    write_reg(0x000F,0x0000);    	delay(5);

+    write_reg(0x0041,0x0000);    	delay(5);

+    write_reg(0x0042,0x0000);    	delay(5);

+    write_reg(0x0048,0x0000);    	delay(5);

+    write_reg(0x0049,0x013F);    	delay(5);

+    write_reg(0x004A,0x0000);    	delay(5);

+    write_reg(0x004B,0x0000);    	delay(5);

+    write_reg(0x0044,0xEF00);    	delay(5);

+    write_reg(0x0045,0x0000);    	delay(5);

+    write_reg(0x0046,0x013F);    	delay(5);

+    write_reg(0x0030,0x0707);    	delay(5);

+    write_reg(0x0031,0x0204);    	delay(5);

+    write_reg(0x0032,0x0204);    	delay(5);

+    write_reg(0x0033,0x0502);    	delay(5);

+    write_reg(0x0034,0x0507);    	delay(5);

+    write_reg(0x0035,0x0204);    	delay(5);

+    write_reg(0x0036,0x0204);    	delay(5);

+    write_reg(0x0037,0x0502);    	delay(5);

+    write_reg(0x003A,0x0302);    	delay(5);

+    write_reg(0x003B,0x0302);    	delay(5);

+    write_reg(0x0023,0x0000);    	delay(5);

+    write_reg(0x0024,0x0000);    	delay(5);

+    write_reg(0x0025,0x8000);    	delay(5);

+    write_reg(0x004f,0x0000);		delay(5);

+    write_reg(0x004e,0x0000);		delay(5);

+

+ 	// Release the bus

+	release_bus();

+	

+	/* Turn on the back-light */

+	set_backlight(GDISP_INITIAL_BACKLIGHT);

+

+   /* Initialise the GDISP structure */

+	GDISP.Width = GDISP_SCREEN_WIDTH;

+	GDISP.Height = GDISP_SCREEN_HEIGHT;

+	GDISP.Orientation = GDISP_ROTATE_0;

+	GDISP.Powermode = powerOn;

+	GDISP.Backlight = GDISP_INITIAL_BACKLIGHT;

+	GDISP.Contrast = GDISP_INITIAL_CONTRAST;

+	#if GDISP_NEED_VALIDATION || GDISP_NEED_CLIP

+		GDISP.clipx0 = 0;

+		GDISP.clipy0 = 0;

+		GDISP.clipx1 = GDISP.Width;

+		GDISP.clipy1 = GDISP.Height;

+	#endif

+	return TRUE;

+}

+

+/**

+ * @brief   Draws a pixel on the display.

+ *

+ * @param[in] x        X location of the pixel

+ * @param[in] y        Y location of the pixel

+ * @param[in] color    The color of the pixel

+ *

+ * @notapi

+ */

+void gdisp_lld_draw_pixel(coord_t x, coord_t y, color_t color) {

+	#if GDISP_NEED_VALIDATION || GDISP_NEED_CLIP

+		if (x < GDISP.clipx0 || y < GDISP.clipy0 || x >= GDISP.clipx1 || y >= GDISP.clipy1) return;

+	#endif

+	

+	acquire_bus();

+	set_cursor(x, y);

+	write_reg(0x0022, color);

+	release_bus();

+}

+

+/* ---- Optional Routines ---- */

+/*

+	All the below routines are optional.

+	Defining them will increase speed but everything

+	will work if they are not defined.

+	If you are not using a routine - turn it off using

+	the appropriate GDISP_HARDWARE_XXXX macro.

+	Don't bother coding for obvious similar routines if

+	there is no performance penalty as the emulation software

+	makes a good job of using similar routines.

+		eg. If gfillarea() is defined there is little

+			point in defining clear() unless the

+			performance bonus is significant.

+	For good performance it is suggested to implement

+		fillarea() and blitarea().

+*/

+

+#if GDISP_HARDWARE_CLEARS || defined(__DOXYGEN__)

+	/**

+	 * @brief   Clear the display.

+	 * @note    Optional - The high level driver can emulate using software.

+	 *

+	 * @param[in] color    The color of the pixel

+	 *

+	 * @notapi

+	 */

+	void gdisp_lld_clear(color_t color) {

+		unsigned area;

+

+		area = GDISP_SCREEN_WIDTH * GDISP_SCREEN_HEIGHT;

+

+		acquire_bus();

+		reset_viewport();

+		set_cursor(0, 0);

+

+		stream_start();

+

+		#if defined(GDISP_USE_FSMC) && defined(GDISP_USE_DMA) && defined(GDISP_DMA_STREAM)

+            uint8_t i;

+            dmaStreamSetPeripheral(GDISP_DMA_STREAM, &color);

+            dmaStreamSetMode(GDISP_DMA_STREAM, STM32_DMA_CR_PL(0) | STM32_DMA_CR_PSIZE_HWORD | STM32_DMA_CR_MSIZE_HWORD | STM32_DMA_CR_DIR_M2M);

+            for (i = area/65535; i; i--) {

+                dmaStreamSetTransactionSize(GDISP_DMA_STREAM, 65535);

+                dmaStreamEnable(GDISP_DMA_STREAM);

+                dmaWaitCompletion(GDISP_DMA_STREAM);

+            }

+            dmaStreamSetTransactionSize(GDISP_DMA_STREAM, area%65535);

+            dmaStreamEnable(GDISP_DMA_STREAM);

+            dmaWaitCompletion(GDISP_DMA_STREAM);

+        #else

+            uint32_t index;

+            for(index = 0; index < area; index++)

+                write_data(color);

+        #endif  //#ifdef GDISP_USE_DMA

+

+		stream_stop();

+		release_bus();

+	}

+#endif

+

+#if GDISP_HARDWARE_FILLS || defined(__DOXYGEN__)

+	/**

+	 * @brief   Fill an area with a color.

+	 * @note    Optional - The high level driver can emulate using software.

+	 *

+	 * @param[in] x, y     The start filled area

+	 * @param[in] cx, cy   The width and height to be filled

+	 * @param[in] color    The color of the fill

+	 *

+	 * @notapi

+	 */

+	void gdisp_lld_fill_area(coord_t x, coord_t y, coord_t cx, coord_t cy, color_t color) {

+		unsigned area;

+

+		#if GDISP_NEED_VALIDATION || GDISP_NEED_CLIP

+			if (x < GDISP.clipx0) { cx -= GDISP.clipx0 - x; x = GDISP.clipx0; }

+			if (y < GDISP.clipy0) { cy -= GDISP.clipy0 - y; y = GDISP.clipy0; }

+			if (cx <= 0 || cy <= 0 || x >= GDISP.clipx1 || y >= GDISP.clipy1) return;

+			if (x+cx > GDISP.clipx1)	cx = GDISP.clipx1 - x;

+			if (y+cy > GDISP.clipy1)	cy = GDISP.clipy1 - y;

+		#endif

+

+		area = cx*cy;

+

+		acquire_bus();

+		set_viewport(x, y, cx, cy);

+		stream_start();

+

+        #if defined(GDISP_USE_FSMC) && defined(GDISP_USE_DMA) && defined(GDISP_DMA_STREAM)

+            uint8_t i;

+            dmaStreamSetPeripheral(GDISP_DMA_STREAM, &color);

+            dmaStreamSetMode(GDISP_DMA_STREAM, STM32_DMA_CR_PL(0) | STM32_DMA_CR_PSIZE_HWORD | STM32_DMA_CR_MSIZE_HWORD | STM32_DMA_CR_DIR_M2M);

+            for (i = area/65535; i; i--) {

+                dmaStreamSetTransactionSize(GDISP_DMA_STREAM, 65535);

+                dmaStreamEnable(GDISP_DMA_STREAM);

+                dmaWaitCompletion(GDISP_DMA_STREAM);

+            }

+            dmaStreamSetTransactionSize(GDISP_DMA_STREAM, area%65535);

+            dmaStreamEnable(GDISP_DMA_STREAM);

+            dmaWaitCompletion(GDISP_DMA_STREAM);

+        #else

+            uint32_t index;

+            for(index = 0; index < area; index++)

+                write_data(color);

+        #endif  //#ifdef GDISP_USE_DMA

+

+		stream_stop();

+		release_bus();

+	}

+#endif

+

+#if GDISP_HARDWARE_BITFILLS || defined(__DOXYGEN__)

+	/**

+	 * @brief   Fill an area with a bitmap.

+	 * @note    Optional - The high level driver can emulate using software.

+	 *

+	 * @param[in] x, y     The start filled area

+	 * @param[in] cx, cy   The width and height to be filled

+	 * @param[in] srcx, srcy   The bitmap position to start the fill from

+	 * @param[in] srccx    The width of a line in the bitmap.

+	 * @param[in] buffer   The pixels to use to fill the area.

+	 *

+	 * @notapi

+	 */

+	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) {

+

+		#if GDISP_NEED_VALIDATION || GDISP_NEED_CLIP

+			if (x < GDISP.clipx0) { cx -= GDISP.clipx0 - x; srcx += GDISP.clipx0 - x; x = GDISP.clipx0; }

+			if (y < GDISP.clipy0) { cy -= GDISP.clipy0 - y; srcy += GDISP.clipy0 - y; y = GDISP.clipy0; }

+			if (srcx+cx > srccx)		cx = srccx - srcx;

+			if (cx <= 0 || cy <= 0 || x >= GDISP.clipx1 || y >= GDISP.clipy1) return;

+			if (x+cx > GDISP.clipx1)	cx = GDISP.clipx1 - x;

+			if (y+cy > GDISP.clipy1)	cy = GDISP.clipy1 - y;

+		#endif

+

+		buffer += srcx + srcy * srccx;

+

+		acquire_bus();

+		set_viewport(x, y, cx, cy);

+		stream_start();

+

+        #if defined(GDISP_USE_FSMC) && defined(GDISP_USE_DMA) && defined(GDISP_DMA_STREAM)

+            uint32_t area = cx*cy;

+            uint8_t i;

+            dmaStreamSetPeripheral(GDISP_DMA_STREAM, buffer);

+            dmaStreamSetMode(GDISP_DMA_STREAM, STM32_DMA_CR_PL(0) | STM32_DMA_CR_PINC | STM32_DMA_CR_PSIZE_HWORD | STM32_DMA_CR_MSIZE_HWORD | STM32_DMA_CR_DIR_M2M);

+            for (i = area/65535; i; i--) {

+                dmaStreamSetTransactionSize(GDISP_DMA_STREAM, 65535);

+                dmaStreamEnable(GDISP_DMA_STREAM);

+                dmaWaitCompletion(GDISP_DMA_STREAM);

+            }

+            dmaStreamSetTransactionSize(GDISP_DMA_STREAM, area%65535);

+            dmaStreamEnable(GDISP_DMA_STREAM);

+            dmaWaitCompletion(GDISP_DMA_STREAM);

+        #else

+            coord_t endx, endy;

+            uint32_t lg;

+            endx = srcx + cx;

+            endy = y + cy;

+            lg = srccx - cx;

+            for(; y < endy; y++, buffer += lg)

+                for(x=srcx; x < endx; x++)

+                    write_data(*buffer++);

+        #endif  //#ifdef GDISP_USE_DMA

+

+		stream_stop();

+		release_bus();

+	}

+#endif

+

+#if (GDISP_NEED_PIXELREAD && GDISP_HARDWARE_PIXELREAD) || defined(__DOXYGEN__)

+	/**

+	 * @brief   Get the color of a particular pixel.

+	 * @note    Optional.

+	 * @note    If x,y is off the screen, the result is undefined.

+	 *

+	 * @param[in] x, y     The pixel to be read

+	 *

+	 * @notapi

+	 */

+	color_t gdisp_lld_get_pixel_color(coord_t x, coord_t y) {

+		color_t color;

+

+		#if GDISP_NEED_VALIDATION || GDISP_NEED_CLIP

+			if (x < 0 || x >= GDISP.Width || y < 0 || y >= GDISP.Height) return 0;

+		#endif

+

+		acquire_bus();

+		set_cursor(x, y);

+		stream_start();

+

+		/* FSMC timing */

+		FSMC_Bank1->BTCR[FSMC_Bank+1] = FSMC_BTR1_ADDSET_3 | FSMC_BTR1_DATAST_3 | FSMC_BTR1_BUSTURN_0 ;

+

+		color = read_data();			// dummy read

+		color = read_data();

+

+		/* FSMC timing */

+		FSMC_Bank1->BTCR[FSMC_Bank+1] = FSMC_BTR1_ADDSET_0 | FSMC_BTR1_DATAST_2 | FSMC_BTR1_BUSTURN_0 ;

+

+		stream_stop();

+		release_bus();

+

+		return color;

+	}

+#endif

+

+#if (GDISP_NEED_SCROLL && GDISP_HARDWARE_SCROLL) || defined(__DOXYGEN__)

+	/**

+	 * @brief   Scroll vertically a section of the screen.

+	 * @note    Optional.

+	 * @note    If x,y + cx,cy is off the screen, the result is undefined.

+	 * @note    If lines is >= cy, it is equivelent to a area fill with bgcolor.

+	 *

+	 * @param[in] x, y     The start of the area to be scrolled

+	 * @param[in] cx, cy   The size of the area to be scrolled

+	 * @param[in] lines    The number of lines to scroll (Can be positive or negative)

+	 * @param[in] bgcolor  The color to fill the newly exposed area.

+	 *

+	 * @notapi

+	 */

+	void gdisp_lld_vertical_scroll(coord_t x, coord_t y, coord_t cx, coord_t cy, int lines, color_t bgcolor) {

+		static color_t buf[((GDISP_SCREEN_HEIGHT > GDISP_SCREEN_WIDTH ) ? GDISP_SCREEN_HEIGHT : GDISP_SCREEN_WIDTH)];

+		coord_t row0, row1;

+		unsigned i, gap, abslines, j;

+

+		#if GDISP_NEED_VALIDATION || GDISP_NEED_CLIP

+			if (x < GDISP.clipx0) { cx -= GDISP.clipx0 - x; x = GDISP.clipx0; }

+			if (y < GDISP.clipy0) { cy -= GDISP.clipy0 - y; y = GDISP.clipy0; }

+			if (!lines || cx <= 0 || cy <= 0 || x >= GDISP.clipx1 || y >= GDISP.clipy1) return;

+			if (x+cx > GDISP.clipx1)	cx = GDISP.clipx1 - x;

+			if (y+cy > GDISP.clipy1)	cy = GDISP.clipy1 - y;

+		#endif

+

+		abslines = lines < 0 ? -lines : lines;

+

+		acquire_bus();

+		if ((coord_t)abslines >= cy) {

+			abslines = cy;

+			gap = 0;

+		} else {

+			gap = cy - abslines;

+			for(i = 0; i < gap; i++) {

+				if(lines > 0) {

+					row0 = y + i + lines;

+					row1 = y + i;

+				} else {

+					row0 = (y - i - 1) + lines;

+					row1 = (y - i - 1);

+				}

+

+				/* read row0 into the buffer and then write at row1*/

+				set_viewport(x, row0, cx, 1);

+				stream_start();

+

+				/* FSMC timing */

+				FSMC_Bank1->BTCR[FSMC_Bank+1] = FSMC_BTR1_ADDSET_3 | FSMC_BTR1_DATAST_3 | FSMC_BTR1_BUSTURN_0 ;

+

+				j = read_data();			// dummy read

+				for (j = 0; (coord_t)j < cx; j++)

+					buf[j] = read_data();

+

+				/* FSMC timing */

+				FSMC_Bank1->BTCR[FSMC_Bank+1] = FSMC_BTR1_ADDSET_0 | FSMC_BTR1_DATAST_2 | FSMC_BTR1_BUSTURN_0 ;

+

+				stream_stop();

+

+				set_viewport(x, row1, cx, 1);

+				stream_start();

+				for (j = 0; (coord_t)j < cx; j++)

+					write_data(buf[j]);

+				stream_stop();

+			}

+		}

+

+		/* fill the remaining gap */

+		set_viewport(x, lines > 0 ? (y+(coord_t)gap) : y, cx, abslines);

+		stream_start();

+		gap = cx*abslines;

+		for(i = 0; i < gap; i++) write_data(bgcolor);

+		stream_stop();

+		release_bus();

+	}

+#endif

+

+#if (GDISP_NEED_CONTROL && GDISP_HARDWARE_CONTROL) || defined(__DOXYGEN__)

+	/**

+	 * @brief   Driver Control

+	 * @details	Unsupported control codes are ignored.

+	 * @note	The value parameter should always be typecast to (void *).

+	 * @note	There are some predefined and some specific to the low level driver.

+	 * @note	GDISP_CONTROL_POWER			- Takes a gdisp_powermode_t

+	 * 			GDISP_CONTROL_ORIENTATION	- Takes a gdisp_orientation_t

+	 * 			GDISP_CONTROL_BACKLIGHT -	 Takes an int from 0 to 100. For a driver

+	 * 											that only supports off/on anything other

+	 * 											than zero is on.

+	 * 			GDISP_CONTROL_CONTRAST		- Takes an int from 0 to 100.

+	 * 			GDISP_CONTROL_LLD			- Low level driver control constants start at

+	 * 											this value.

+	 *

+	 * @param[in] what		What to do.

+	 * @param[in] value		The value to use (always cast to a void *).

+	 *

+	 * @notapi

+	 */

+	void gdisp_lld_control(unsigned what, void *value) {

+		switch(what) {

+		case GDISP_CONTROL_POWER:

+			if (GDISP.Powermode == (gdisp_powermode_t)value)

+				return;

+			switch((gdisp_powermode_t)value) {

+			case powerOff:

+				acquire_bus();

+				write_reg(0x0010, 0x0000);	// leave sleep mode

+				write_reg(0x0007, 0x0000);	// halt operation

+				write_reg(0x0000, 0x0000);	// turn off oszillator

+				write_reg(0x0010, 0x0001);	// enter sleepmode

+				release_bus();

+				break;

+			case powerOn:

+				acquire_bus();

+				write_reg(0x0010, 0x0000);	// leave sleep mode

+				release_bus();

+				if (GDISP.Powermode != powerSleep)

+					gdisp_lld_init();

+				break;

+			case powerSleep:

+				acquire_bus();

+				write_reg(0x0010, 0x0001);	// enter sleep mode

+				release_bus();

+				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();

+				write_reg(0x0001, 0x2B3F);

+				/* ID = 11 AM = 0 */

+				write_reg(0x0011, 0x6070);

+				release_bus();

+				GDISP.Height = GDISP_SCREEN_HEIGHT;

+				GDISP.Width = GDISP_SCREEN_WIDTH;

+				break;

+			case GDISP_ROTATE_90:

+				acquire_bus();

+				write_reg(0x0001, 0x293F);

+				/* ID = 11 AM = 1 */

+				write_reg(0x0011, 0x6078);

+				release_bus();

+				GDISP.Height = GDISP_SCREEN_WIDTH;

+				GDISP.Width = GDISP_SCREEN_HEIGHT;

+				break;

+			case GDISP_ROTATE_180:

+				acquire_bus();

+				write_reg(0x0001, 0x2B3F);

+				/* ID = 01 AM = 0 */

+				write_reg(0x0011, 0x6040);

+				release_bus();

+				GDISP.Height = GDISP_SCREEN_HEIGHT;

+				GDISP.Width = GDISP_SCREEN_WIDTH;

+				break;

+			case GDISP_ROTATE_270:

+				acquire_bus();

+				write_reg(0x0001, 0x293F);

+				/* ID = 01 AM = 1 */

+				write_reg(0x0011, 0x6048);

+				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;

+            set_backlight((unsigned)value);

+            GDISP.Backlight = (unsigned)value;

+            return;

+        default:

+            return;

+/*

+		case GDISP_CONTROL_CONTRAST:

+*/

+		}

+	}

+#endif

+

+#endif /* GFX_USE_GDISP */

+/** @} */