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authorAndrew Hannam <andrewh@inmarket.com.au>2012-08-01 01:54:05 +1000
committerAndrew Hannam <andrewh@inmarket.com.au>2012-08-01 01:54:05 +1000
commit9ac85166b20d791c2c081dd78f9a39ee050c1897 (patch)
tree4ac4cf1568aef161e15c8dc48be4339c80d8980f /halext
parentd7fc0795d56a72392cd295400d2126c12d3acdbd (diff)
downloaduGFX-9ac85166b20d791c2c081dd78f9a39ee050c1897.tar.gz
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uGFX-9ac85166b20d791c2c081dd78f9a39ee050c1897.zip
Added ssd1289 low level driver to GDISP
Untested as I don't have the hardware. Back-ported from GLCD.
Diffstat (limited to 'halext')
-rw-r--r--halext/drivers/gdispSsd1289/gdisp_lld.c834
-rw-r--r--halext/drivers/gdispSsd1289/gdisp_lld.h167
-rw-r--r--halext/drivers/gdispSsd1289/gdisp_lld.mk5
-rw-r--r--halext/drivers/gdispSsd1289/gdisp_lld_config.h224
-rw-r--r--halext/drivers/gdispSsd1289/readme.txt8
-rw-r--r--halext/drivers/gdispSsd1289/ssd1289_lld.h131
6 files changed, 1369 insertions, 0 deletions
diff --git a/halext/drivers/gdispSsd1289/gdisp_lld.c b/halext/drivers/gdispSsd1289/gdisp_lld.c
new file mode 100644
index 00000000..c2f460b1
--- /dev/null
+++ b/halext/drivers/gdispSsd1289/gdisp_lld.c
@@ -0,0 +1,834 @@
+/*
+ ChibiOS/RT - Copyright (C) 2006,2007,2008,2009,2010,
+ 2011,2012 Giovanni Di Sirio.
+
+ This file is part of ChibiOS/RT.
+
+ ChibiOS/RT is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ ChibiOS/RT is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
+
+ ---
+
+ A special exception to the GPL can be applied should you wish to distribute
+ a combined work that includes ChibiOS/RT, without being obliged to provide
+ the source code for any proprietary components. See the file exception.txt
+ for full details of how and when the exception can be applied.
+*/
+/*
+ Concepts and parts of this file have been contributed by:
+ Joel Bodenmann aka Tectu -> Maintainer
+ Andrew Hannam aka inmarket -> framework
+ Badger -> console implementation and FSMC
+ Abhishek -> font rendering
+ Ben William -> fastMath and lcdDrawEllipse()
+ Dongxu Li aka dxli -> lcdDrawEllipse() filled option
+*/
+
+/**
+ * @file gdispSsd1289/gdisp_lld.c
+ * @brief GDISP Graphics Driver subsystem low level driver source for the Ssd1289 display.
+ *
+ * @addtogroup GDISP
+ * @{
+ */
+
+#include "ch.h"
+#include "hal.h"
+#include "gdisp.h"
+#include "ssd1289_lld.h"
+
+#if HAL_USE_GDISP || defined(__DOXYGEN__)
+
+/*===========================================================================*/
+/* Driver local definitions. */
+/*===========================================================================*/
+
+#ifdef UNUSED
+#elif defined(__GNUC__)
+# define UNUSED(x) UNUSED_ ## x __attribute__((unused))
+#elif defined(__LCLINT__)
+# define UNUSED(x) /*@unused@*/ x
+#else
+# define UNUSED(x) x
+#endif
+
+/*===========================================================================*/
+/* Driver exported variables. */
+/*===========================================================================*/
+
+#if !defined(__DOXYGEN__)
+ GDISPDriver GDISP1;
+#endif
+
+/*===========================================================================*/
+/* Driver local variables. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver local functions. */
+/*===========================================================================*/
+
+#ifdef LCD_USE_GPIO
+ static __inline void lld_lcdWriteIndex(uint16_t index) {
+ Clr_RS;
+ Set_RD;
+
+ lld_lcdWriteGPIO(index);
+
+ Clr_WR;
+ Set_WR;
+ }
+
+ static __inline void lld_lcdWriteData(uint16_t data) {
+ Set_RS;
+
+ lld_lcdWriteGPIO(data);
+
+ Clr_WR;
+ Set_WR;
+ }
+
+ static __inline void lld_lcdWriteReg(uint16_t lcdReg,uint16_t lcdRegValue) {
+ Clr_CS;
+
+ lld_lcdWriteIndex(lcdReg);
+ lld_lcdWriteData(lcdRegValue);
+
+ Set_CS;
+ }
+
+ static __inline uint16_t lld_lcdReadData(void) {
+ uint16_t value;
+
+ Set_RS;
+ Set_WR;
+ Clr_RD;
+
+ value = lld_lcdReadGPIO();
+
+ Set_RD;
+
+ return value;
+ }
+
+ static __inline uint16_t lld_lcdReadReg(uint16_t lcdReg) {
+ uint16_t lcdRAM;
+
+ Clr_CS;
+ lld_lcdWriteIndex(lcdReg);
+ lcdRAM = lld_lcdReadData();
+
+ Set_CS;
+
+ return lcdRAM;
+ }
+
+ static __inline void lld_lcdWriteStreamStart(void) {
+ Clr_CS;
+
+ lld_lcdWriteIndex(0x0022);
+ }
+
+ static __inline void lld_lcdWriteStreamStop(void) {
+ Set_CS;
+ }
+
+ static __inline void lld_lcdWriteStream(uint16_t *buffer, uint16_t size) {
+ uint16_t i;
+
+ Set_RS;
+
+ for(i = 0; i < size; i++) {
+ lld_lcdWriteGPIO(buffer[i]);
+ Clr_WR;
+ Set_WR;
+ }
+ }
+
+ static __inline void lld_lcdReadStreamStart(void) {
+ Clr_CS
+
+ lld_lcdWriteIndex(0x0022);
+ }
+
+ static __inline void lld_lcdReadStreamStop(void) {
+ Set_CS;
+ }
+
+ static __inline void lld_lcdReadStream(uint16_t *buffer, size_t size) {
+ uint16_t i;
+ volatile uint16_t dummy;
+
+ dummy = lld_lcdReadData();
+ for(i = 0; i < size; i++)
+ buffer[i] = lld_lcdReadData();
+ }
+#endif // LCD_USE_GPIO
+
+#ifdef LCD_USE_SPI
+ /* TODO */
+#endif // LCD_USE_SPI
+
+#ifdef LCD_USE_FSMC
+ #define LCD_REG (*((volatile uint16_t *) 0x60000000)) /* RS = 0 */
+ #define LCD_RAM (*((volatile uint16_t *) 0x60020000)) /* RS = 1 */
+
+ static __inline void lld_lcdWriteIndex(uint16_t index) {
+ LCD_REG = index;
+ }
+
+ static __inline void lld_lcdWriteData(uint16_t data) {
+ LCD_RAM = data;
+ }
+
+ static __inline void lld_lcdWriteReg(uint16_t lcdReg,uint16_t lcdRegValue) {
+ LCD_REG = lcdReg;
+ LCD_RAM = lcdRegValue;
+ }
+
+ static __inline uint16_t lld_lcdReadData(void) {
+ return (LCD_RAM);
+ }
+
+ static __inline uint16_t lld_lcdReadReg(uint16_t lcdReg) {
+ LCD_REG = lcdReg;
+ volatile uint16_t dummy = LCD_RAM;
+ return (LCD_RAM);
+ }
+
+ static __inline void lld_lcdWriteStreamStart(void) {
+ LCD_REG = 0x0022;
+ }
+
+ static __inline void lld_lcdWriteStreamStop(void) {
+
+ }
+
+ static __inline void lld_lcdWriteStream(uint16_t *buffer, uint16_t size) {
+ uint16_t i;
+ for(i = 0; i < size; i++)
+ LCD_RAM = buffer[i];
+ }
+
+ static __inline void lld_lcdReadStreamStart(void) {
+ LCD_REG = 0x0022;
+ }
+
+ static __inline void lld_lcdReadStreamStop(void) {
+
+ }
+
+ static __inline void lld_lcdReadStream(uint16_t *buffer, size_t size) {
+ uint16_t i;
+ /* throw away first value read */
+ volatile uint16_t dummy = LCD_RAM;
+
+ for(i = 0; i < size; i++) {
+ buffer[i] = LCD_RAM;
+ }
+ }
+#endif // LCD_USE_FSMC
+
+static __inline void lld_lcdDelay(uint16_t us) {
+ chThdSleepMicroseconds(us);
+}
+
+static void lld_lcdSetCursor(uint16_t x, uint16_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(GDISP1.Orientation) {
+ case portraitInv:
+ lld_lcdWriteReg(0x004e, (SCREEN_WIDTH-1-x) & 0x00FF);
+ lld_lcdWriteReg(0x004f, (SCREEN_HEIGHT-1-y) & 0x01FF);
+ break;
+ case portrait:
+ lld_lcdWriteReg(0x004e, x & 0x00FF);
+ lld_lcdWriteReg(0x004f, y & 0x01FF);
+ break;
+ case landscape:
+ lld_lcdWriteReg(0x004e, y & 0x00FF);
+ lld_lcdWriteReg(0x004f, x & 0x01FF);
+ break;
+ case landscapeInv:
+ lld_lcdWriteReg(0x004e, (SCREEN_WIDTH - y - 1) & 0x00FF);
+ lld_lcdWriteReg(0x004f, (SCREEN_HEIGHT - x - 1) & 0x01FF);
+ break;
+ }
+}
+
+void lld_lcdSetViewPort(uint16_t x, uint16_t y, uint16_t cx, uint16_t cy) {
+ lld_lcdSetCursor(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(GDISP1.Orientation) {
+ case portrait:
+ lld_lcdWriteReg(0x44, (((x+cx-1) << 8) & 0xFF00 ) | (x & 0x00FF));
+ lld_lcdWriteReg(0x45, y & 0x01FF);
+ lld_lcdWriteReg(0x46, (y+cy-1) & 0x01FF);
+ break;
+ case landscape:
+ lld_lcdWriteReg(0x44, (((x+cx-1) << 8) & 0xFF00) | ((y+cy) & 0x00FF));
+ lld_lcdWriteReg(0x45, x & 0x01FF);
+ lld_lcdWriteReg(0x46, (x+cx-1) & 0x01FF);
+ break;
+ case portraitInv:
+ lld_lcdWriteReg(0x44, (((SCREEN_WIDTH-x-1) & 0x00FF) << 8) | ((SCREEN_WIDTH - (x+cx)) & 0x00FF));
+ lld_lcdWriteReg(0x45, (SCREEN_HEIGHT-(y+cy)) & 0x01FF);
+ lld_lcdWriteReg(0x46, (SCREEN_HEIGHT-y-1) & 0x01FF);
+ break;
+ case landscapeInv:
+ lld_lcdWriteReg(0x44, (((SCREEN_WIDTH - y - 1) & 0x00FF) << 8) | ((SCREEN_WIDTH - (y+cy)) & 0x00FF));
+ lld_lcdWriteReg(0x45, (SCREEN_HEIGHT - (x+cx)) & 0x01FF);
+ lld_lcdWriteReg(0x46, (SCREEN_HEIGHT - x - 1) & 0x01FF);
+ break;
+ }
+
+ lld_lcdSetCursor(x, y);
+}
+
+/*===========================================================================*/
+/* 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
+ */
+void gdisp_lld_init(void) {
+ uint16_t deviceCode;
+
+ #ifdef LCD_USE_FSMC
+ /* FSMC setup. TODO: this only works for STM32F1 */
+ rccEnableAHB(RCC_AHBENR_FSMCEN, 0);
+ int FSMC_Bank = 0;
+ /* timing structure */
+ /* from datasheet:
+ address setup: 0ns
+ address hold: 0ns
+ Data setup: 5ns
+ Data hold: 5ns
+ Data access: 250ns
+ output hold: 100ns
+ */
+ FSMC_Bank1->BTCR[FSMC_Bank+1] = FSMC_BTR1_ADDSET_1 | FSMC_BTR1_DATAST_1;
+
+ /* Bank1 NOR/SRAM control register configuration */
+ FSMC_Bank1->BTCR[FSMC_Bank] = FSMC_BCR1_MWID_0 | FSMC_BCR1_WREN | FSMC_BCR1_MBKEN;
+ #endif
+
+ deviceCode = lld_lcdReadReg(0x0000);
+
+ lld_lcdWriteReg(0x0000,0x0001); lld_lcdDelay(5);
+ lld_lcdWriteReg(0x0003,0xA8A4); lld_lcdDelay(5);
+ lld_lcdWriteReg(0x000C,0x0000); lld_lcdDelay(5);
+ lld_lcdWriteReg(0x000D,0x080C); lld_lcdDelay(5);
+ lld_lcdWriteReg(0x000E,0x2B00); lld_lcdDelay(5);
+ lld_lcdWriteReg(0x001E,0x00B0); lld_lcdDelay(5);
+ lld_lcdWriteReg(0x0001,0x2B3F); lld_lcdDelay(5);
+ lld_lcdWriteReg(0x0002,0x0600); lld_lcdDelay(5);
+ lld_lcdWriteReg(0x0010,0x0000); lld_lcdDelay(5);
+ lld_lcdWriteReg(0x0011,0x6070); lld_lcdDelay(5);
+ lld_lcdWriteReg(0x0005,0x0000); lld_lcdDelay(5);
+ lld_lcdWriteReg(0x0006,0x0000); lld_lcdDelay(5);
+ lld_lcdWriteReg(0x0016,0xEF1C); lld_lcdDelay(5);
+ lld_lcdWriteReg(0x0017,0x0003); lld_lcdDelay(5);
+ lld_lcdWriteReg(0x0007,0x0133); lld_lcdDelay(5);
+ lld_lcdWriteReg(0x000B,0x0000); lld_lcdDelay(5);
+ lld_lcdWriteReg(0x000F,0x0000); lld_lcdDelay(5);
+ lld_lcdWriteReg(0x0041,0x0000); lld_lcdDelay(5);
+ lld_lcdWriteReg(0x0042,0x0000); lld_lcdDelay(5);
+ lld_lcdWriteReg(0x0048,0x0000); lld_lcdDelay(5);
+ lld_lcdWriteReg(0x0049,0x013F); lld_lcdDelay(5);
+ lld_lcdWriteReg(0x004A,0x0000); lld_lcdDelay(5);
+ lld_lcdWriteReg(0x004B,0x0000); lld_lcdDelay(5);
+ lld_lcdWriteReg(0x0044,0xEF00); lld_lcdDelay(5);
+ lld_lcdWriteReg(0x0045,0x0000); lld_lcdDelay(5);
+ lld_lcdWriteReg(0x0046,0x013F); lld_lcdDelay(5);
+ lld_lcdWriteReg(0x0030,0x0707); lld_lcdDelay(5);
+ lld_lcdWriteReg(0x0031,0x0204); lld_lcdDelay(5);
+ lld_lcdWriteReg(0x0032,0x0204); lld_lcdDelay(5);
+ lld_lcdWriteReg(0x0033,0x0502); lld_lcdDelay(5);
+ lld_lcdWriteReg(0x0034,0x0507); lld_lcdDelay(5);
+ lld_lcdWriteReg(0x0035,0x0204); lld_lcdDelay(5);
+ lld_lcdWriteReg(0x0036,0x0204); lld_lcdDelay(5);
+ lld_lcdWriteReg(0x0037,0x0502); lld_lcdDelay(5);
+ lld_lcdWriteReg(0x003A,0x0302); lld_lcdDelay(5);
+ lld_lcdWriteReg(0x003B,0x0302); lld_lcdDelay(5);
+ lld_lcdWriteReg(0x0023,0x0000); lld_lcdDelay(5);
+ lld_lcdWriteReg(0x0024,0x0000); lld_lcdDelay(5);
+ lld_lcdWriteReg(0x0025,0x8000); lld_lcdDelay(5);
+ lld_lcdWriteReg(0x004f,0x0000); lld_lcdDelay(5);
+ lld_lcdWriteReg(0x004e,0x0000); lld_lcdDelay(5);
+
+ /* Initialise the GDISP structure */
+ GDISP1.Width = SCREEN_WIDTH;
+ GDISP1.Height = SCREEN_HEIGHT;
+ GDISP1.Orientation = portrait;
+ GDISP1.Powermode = powerOn;
+}
+
+/**
+ * @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_drawpixel(coord_t x, coord_t y, color_t color) {
+ #if GDISP_NEED_VALIDATION
+ if (x >= GDISP1.Width || y >= GDISP1.Height) return;
+ #endif
+ lld_lcdSetCursor(x, y);
+ lld_lcdWriteReg(0x0022, color);
+}
+
+/* ---- 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 gdisp_lld_fillarea() is defined there is little
+ point in defining gdisp_lld_clear() unless the
+ performance bonus is significant.
+ For good performance it is suggested to implement
+ gdisp_lld_fillarea() and gdisp_lld_blitarea().
+*/
+
+#if GDISP_HARDWARE_POWERCONTROL || defined(__DOXYGEN__)
+ /**
+ * @brief Sets the power mode for the graphic device.
+ * @note The power modes are powerOn, powerSleep and powerOff.
+ * If powerSleep is not supported it is equivelent to powerOn.
+ *
+ * @param[in] powerMode The new power mode
+ *
+ * @notapi
+ */
+ void gdisp_lld_setpowermode(gdisp_powermode_t powerMode) {
+ if (GDISP1.Powermode == powerMode)
+ return;
+
+ switch(powerMode) {
+ case powerOff:
+ lld_lcdWriteReg(0x0010, 0x0000); // leave sleep mode
+ lld_lcdWriteReg(0x0007, 0x0000); // halt operation
+ lld_lcdWriteReg(0x0000, 0x0000); // turn off oszillator
+ lld_lcdWriteReg(0x0010, 0x0001); // enter sleepmode
+ break;
+ case powerOn:
+ lld_lcdWriteReg(0x0010, 0x0000); // leave sleep mode
+ if (GDISP1.Powermode != powerSleep)
+ gdisp_lld_init();
+ break;
+ case powerSleep:
+ lld_lcdWriteReg(0x0010, 0x0001); // enter sleep mode
+ break;
+ default:
+ return;
+ }
+
+ GDISP1.Powermode = powerMode;
+ }
+#endif
+
+#if GDISP_HARDWARE_ORIENTATION || defined(__DOXYGEN__)
+ /**
+ * @brief Sets the orientation of the display.
+ * @note This may be ignored if not supported by the device.
+ *
+ * @param[in] newOrientation The new orientation
+ *
+ * @notapi
+ */
+ void gdisp_lld_setorientation(gdisp_orientation_t newOrientation) {
+ if (GDISP1.Orientation == newOrientation)
+ return;
+
+ switch(newOrientation) {
+ case portrait:
+ lld_lcdWriteReg(0x0001, 0x2B3F);
+ /* ID = 11 AM = 0 */
+ lld_lcdWriteReg(0x0011, 0x6070);
+ GDISP1.Height = SCREEN_HEIGHT;
+ GDISP1.Width = SCREEN_WIDTH;
+ break;
+ case landscape:
+ lld_lcdWriteReg(0x0001, 0x293F);
+ /* ID = 11 AM = 1 */
+ lld_lcdWriteReg(0x0011, 0x6078);
+ GDISP1.Height = SCREEN_WIDTH;
+ GDISP1.Width = SCREEN_HEIGHT;
+ break;
+ case portraitInv:
+ lld_lcdWriteReg(0x0001, 0x2B3F);
+ /* ID = 01 AM = 0 */
+ lld_lcdWriteReg(0x0011, 0x6040);
+ GDISP1.Height = SCREEN_HEIGHT;
+ GDISP1.Width = SCREEN_WIDTH;
+ break;
+ case landscapeInv:
+ lld_lcdWriteReg(0x0001, 0x293F);
+ /* ID = 01 AM = 1 */
+ lld_lcdWriteReg(0x0011, 0x6048);
+ GDISP1.Height = SCREEN_WIDTH;
+ GDISP1.Width = SCREEN_HEIGHT;
+ break;
+ default:
+ return;
+ }
+ GDISP1.Orientation = newOrientation;
+ }
+#endif
+
+#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 = 0;
+
+ lld_lcdSetCursor(0, 0);
+ lld_lcdWriteStreamStart();
+
+ for(i = 0; i < SCREEN_WIDTH * SCREEN_HEIGHT; i++)
+ lld_lcdWriteData(color);
+
+ lld_lcdWriteStreamStop();
+ }
+#endif
+
+#if GDISP_HARDWARE_LINES || defined(__DOXYGEN__)
+ /**
+ * @brief Draw a line.
+ * @note Optional - The high level driver can emulate using software.
+ *
+ * @param[in] x0, y0 The start of the line
+ * @param[in] x1, y1 The end of the line
+ * @param[in] color The color of the line
+ *
+ * @notapi
+ */
+ void gdisp_lld_drawline(coord_t x0, coord_t y0, coord_t x1, coord_t y1, color_t color) {
+ /* NOT IMPLEMENTED */
+ }
+#endif
+
+#if GDISP_HARDWARE_BOX || defined(__DOXYGEN__)
+ /**
+ * @brief Draw a box.
+ * @pre The GDISP unit must be in powerOn or powerSleep mode.
+ *
+ * @param[in] x0,y0 The start position
+ * @param[in] cx,cy The size of the box (outside dimensions)
+ * @param[in] color The color to use
+ * @param[in] filled Should the box should be filled
+ *
+ * @notapi
+ */
+ void gdisp_lld_drawbox(coord_t x, coord_t y, coord_t cx, coord_t cy, color_t color) {
+ /* NOT IMPLEMENTED */
+ }
+#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_fillarea(coord_t x, coord_t y, coord_t cx, coord_t cy, color_t color) {
+ #if GDISP_NEED_VALIDATION
+ if (cx < 1 || cy < 1 || x >= GDISP1.Width || y >= GDISP1.Height) return;
+ if (x+cx > GDISP1.Width) cx = GDISP1.Width - x;
+ if (y+cy > GDISP1.Height) cy = GDISP1.Height - y;
+ #endif
+
+ unsigned i, area;
+
+ area = cx*cy;
+ lld_lcdSetViewPort(x, y, cx, cy);
+ lld_lcdWriteStreamStart();
+ for(i = 0; i < area; i++)
+ lld_lcdWriteData(color);
+ lld_lcdWriteStreamStop();
+ }
+#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] buffer The pixels to use to fill the area.
+ *
+ * @notapi
+ */
+ void gdisp_lld_blitarea(coord_t x, coord_t y, coord_t cx, coord_t cy, pixel_t *buffer) {
+ unsigned i, area;
+
+ #if GDISP_NEED_VALIDATION
+ if (cx < 1 || cy < 1 || x >= GDISP1.Width || y >= GDISP1.Height) return;
+ if (x+cx > GDISP1.Width) return;
+ if (y+cy > GDISP1.Height) cy = GDISP1.Height - y;
+ #endif
+
+ area = cx*cy;
+ lld_lcdSetViewPort(x, y, cx, cy);
+ lld_lcdWriteStreamStart();
+ for(i = 0; i < area; i++)
+ lld_lcdWriteData(*buffer++);
+ lld_lcdWriteStreamStop();
+ }
+#endif
+
+/* Circular Drawing Functions */
+#if (GDISP_NEED_CIRCLE && GDISP_HARDWARE_CIRCLES) || defined(__DOXYGEN__)
+ /**
+ * @brief Draw a circle.
+ * @note Optional - The high level driver can emulate using software.
+ * @note If GDISP_NEED_CLIPPING is defined this routine MUST behave
+ * correctly if the circle is over the edges of the screen.
+ *
+ * @param[in] x, y The centre of the circle
+ * @param[in] radius The radius of the circle
+ * @param[in] color The color of the circle
+ *
+ * @notapi
+ */
+ void gdisp_lld_drawcircle(coord_t x, coord_t y, coord_t radius, color_t color) {
+ /* NOT IMPLEMENTED */
+ }
+#endif
+
+#if (GDISP_NEED_CIRCLE && GDISP_HARDWARE_CIRCLEFILLS) || defined(__DOXYGEN__)
+ /**
+ * @brief Create a filled circle.
+ * @note Optional - The high level driver can emulate using software.
+ * @note If GDISP_NEED_CLIPPING is defined this routine MUST behave
+ * correctly if the circle is over the edges of the screen.
+ *
+ * @param[in] x, y The centre of the circle
+ * @param[in] radius The radius of the circle
+ * @param[in] color The color of the circle
+ *
+ * @notapi
+ */
+ void gdisp_lld_fillcircle(coord_t x, coord_t y, coord_t radius, color_t color) {
+ /* NOT IMPLEMENTED */
+ }
+#endif
+
+#if (GDISP_NEED_ELLIPSE && GDISP_HARDWARE_ELLIPSES) || defined(__DOXYGEN__)
+ /**
+ * @brief Draw an ellipse.
+ * @note Optional - The high level driver can emulate using software.
+ * @note If GDISP_NEED_CLIPPING is defined this routine MUST behave
+ * correctly if the ellipse is over the edges of the screen.
+ *
+ * @param[in] x, y The centre of the ellipse
+ * @param[in] a, b The dimensions of the ellipse
+ * @param[in] color The color of the ellipse
+ *
+ * @notapi
+ */
+ void gdisp_lld_drawellipse(coord_t x, coord_t y, coord_t a, coord_t b, color_t color) {
+ /* NOT IMPLEMENTED */
+ }
+#endif
+
+#if (GDISP_NEED_ELLIPSE && GDISP_HARDWARE_ELLIPSEFILLS) || defined(__DOXYGEN__)
+ /**
+ * @brief Create a filled ellipse.
+ * @note Optional - The high level driver can emulate using software.
+ * @note If GDISP_NEED_CLIPPING is defined this routine MUST behave
+ * correctly if the ellipse is over the edges of the screen.
+ *
+ * @param[in] x, y The centre of the ellipse
+ * @param[in] a, b The dimensions of the ellipse
+ * @param[in] color The color of the ellipse
+ *
+ * @notapi
+ */
+ void gdisp_lld_fillellipse(coord_t x, coord_t y, coord_t a, coord_t b, color_t color) {
+ /* NOT IMPLEMENTED */
+ }
+#endif
+
+#if (GDISP_NEED_TEXT && GDISP_HARDWARE_TEXT) || defined(__DOXYGEN__)
+ /**
+ * @brief Draw a character using a transparent background.
+ * @note Optional - The high level driver can emulate using software.
+ *
+ * @param[in] x, y The top-left corner of the text
+ * @param[in] c The character to print
+ * @param[in] color The color of the character
+ *
+ * @notapi
+ */
+ void gdisp_lld_drawchar(coord_t x, coord_t y, char c, font_t font, color_t color) {
+ /* NOT IMPLEMENTED */
+ }
+#endif
+
+#if (GDISP_NEED_TEXT && GDISP_HARDWARE_TEXTFILLS) || defined(__DOXYGEN__)
+ /**
+ * @brief Draw a character using a filled background.
+ * @note Optional - The high level driver can emulate using software.
+ *
+ * @param[in] x, y The top-left corner of the text
+ * @param[in] c The character to print
+ * @param[in] color The color of the character
+ * @param[in] bgcolor The background color
+ *
+ * @notapi
+ */
+ void gdisp_lld_fillchar(coord_t x, coord_t y, char c, font_t font, color_t color, color_t bgcolor) {
+ /* NOT IMPLEMENTED */
+ }
+#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 start of the text
+ *
+ * @notapi
+ */
+ color_t gdisp_lld_getpixelcolor(coord_t x, coord_t y) {
+ color_t color;
+
+ #if GDISP_NEED_VALIDATION
+ if (x >= GDISP1.Width || y >= GDISP1.Height) return 0;
+ #endif
+
+ lld_lcdSetCursor(x, y);
+ lld_lcdWriteStreamStart();
+
+ color = lld_lcdReadData();
+ color = lld_lcdReadData();
+
+ lld_lcdWriteStreamStop();
+
+ 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_verticalscroll(coord_t x, coord_t y, coord_t cx, coord_t cy, int lines, color_t bgcolor) {
+ static color_t buf[((SCREEN_HEIGHT > SCREEN_WIDTH ) ? SCREEN_HEIGHT : SCREEN_WIDTH)];
+ coord_t row0, row1;
+ unsigned i, gap, abslines;
+
+ abslines = lines < 0 ? -lines : lines;
+
+ #if GDISP_NEED_VALIDATION
+ if (cx < 1 || cy < 1 || x >= GDISP1.Width || y >= GDISP1.Height) return;
+ if (x+cx > GDISP1.Width) cx = GDISP1.Width - x;
+ if (y+cy > GDISP1.Height) cy = GDISP1.Height - y;
+ #endif
+
+ if (!abslines) return;
+ if (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*/
+ lld_lcdSetViewPort(x, row0, cx, 1);
+ lld_lcdReadStreamStart();
+ lld_lcdReadStream(buf, cx);
+ lld_lcdReadStreamStop();
+
+ lld_lcdSetViewPort(x, row1, cx, 1);
+ lld_lcdWriteStreamStart();
+ lld_lcdWriteStream(buf, cx);
+ lld_lcdWriteStreamStop();
+ }
+ }
+
+ /* fill the remaining gap */
+ lld_lcdSetViewPort(x, lines > 0 ? (y+gap) : y, cx, abslines);
+ lld_lcdWriteStreamStart();
+ gap = cx*abslines;
+ for(i = 0; i < gap; i++) lld_lcdWriteData(color);
+ lld_lcdWriteStreamStop();
+ }
+#endif
+
+#endif /* HAL_USE_GDISP */
+/** @} */
diff --git a/halext/drivers/gdispSsd1289/gdisp_lld.h b/halext/drivers/gdispSsd1289/gdisp_lld.h
new file mode 100644
index 00000000..ba7eb333
--- /dev/null
+++ b/halext/drivers/gdispSsd1289/gdisp_lld.h
@@ -0,0 +1,167 @@
+/*
+ ChibiOS/RT - Copyright (C) 2006,2007,2008,2009,2010,
+ 2011,2012 Giovanni Di Sirio.
+
+ This file is part of ChibiOS/RT.
+
+ ChibiOS/RT is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ ChibiOS/RT is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
+
+ ---
+
+ A special exception to the GPL can be applied should you wish to distribute
+ a combined work that includes ChibiOS/RT, without being obliged to provide
+ the source code for any proprietary components. See the file exception.txt
+ for full details of how and when the exception can be applied.
+*/
+/*
+ Concepts and parts of this file have been contributed by:
+ Joel Bodenmann aka Tectu -> Maintainer
+ Andrew Hannam aka inmarket -> framework
+ Badger -> console implementation and FSMC
+ Abhishek -> font rendering
+ Ben William -> fastMath and lcdDrawEllipse()
+ Dongxu Li aka dxli -> lcdDrawEllipse() filled option
+*/
+
+/**
+ * @file gdispSsd1289/gdisp_lld.h
+ * @brief GDISP Graphic Driver subsystem low level driver header for the Ssd1289 display.
+ *
+ * @addtogroup GDISP
+ * @{
+ */
+
+#ifndef _GDISP_LLD_H
+#define _GDISP_LLD_H
+
+#if HAL_USE_GDISP || defined(__DOXYGEN__)
+
+/*===========================================================================*/
+/* Driver constants. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver pre-compile time settings. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Derived constants and error checks. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver data structures and types. */
+/*===========================================================================*/
+
+/**
+ * @brief Structure representing a GDISP driver.
+ * @note Implementations may extend this structure to contain more,
+ * architecture dependent, fields.
+ */
+struct GDISPDriver {
+ /**
+ * @brief Width of the screen.
+ * @note Read-only.
+ */
+ coord_t Width;
+ /**
+ * @brief Height of the screen.
+ * @note Read-only.
+ */
+ coord_t Height;
+ /**
+ * @brief Current orientation of the screen.
+ * @note Read-only.
+ */
+ gdisp_orientation_t Orientation;
+ /**
+ * @brief Current power mode of the screen.
+ * @note Read-only.
+ */
+ gdisp_powermode_t Powermode;
+
+ #if defined(GDISP_DRIVER_EXT_FIELDS)
+ GDISP_DRIVER_EXT_FIELDS
+ #endif
+
+ /* End of mandatory fields */
+};
+
+/*===========================================================================*/
+/* Driver macros. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* External declarations. */
+/*===========================================================================*/
+
+#if !defined(__DOXYGEN__)
+ extern GDISPDriver GDISP1;
+#endif
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+ /* Core functions */
+ void gdisp_lld_init(void);
+ void gdisp_lld_setpowermode(gdisp_powermode_t powerMode);
+ void gdisp_lld_setorientation(gdisp_orientation_t newOrientation);
+
+ /* Some of these functions will be implemented in software by the high level driver
+ depending on the GDISP_HARDWARE_XXX macros defined above.
+ */
+
+ /* Drawing functions */
+ void gdisp_lld_clear(color_t color);
+ void gdisp_lld_drawpixel(coord_t x, coord_t y, color_t color);
+ void gdisp_lld_drawline(coord_t x0, coord_t y0, coord_t x1, coord_t y1, color_t color);
+ void gdisp_lld_drawbox(coord_t x, coord_t y, coord_t cx, coord_t cy, color_t color);
+ void gdisp_lld_fillarea(coord_t x, coord_t y, coord_t cx, coord_t cy, color_t color);
+ void gdisp_lld_blitarea(coord_t x, coord_t y, coord_t cx, coord_t cy, pixel_t *buffer);
+
+ /* Circular Drawing Functions */
+ #if GDISP_NEED_CIRCLE
+ void gdisp_lld_drawcircle(coord_t x, coord_t y, coord_t radius, color_t color);
+ void gdisp_lld_fillcircle(coord_t x, coord_t y, coord_t radius, color_t color);
+ #endif
+
+ #if GDISP_NEED_ELLIPSE
+ void gdisp_lld_drawellipse(coord_t x, coord_t y, coord_t a, coord_t b, color_t color);
+ void gdisp_lld_fillellipse(coord_t x, coord_t y, coord_t a, coord_t b, color_t color);
+ #endif
+
+ /* Text Rendering Functions */
+ #if GDISP_NEED_TEXT
+ void gdisp_lld_drawchar(coord_t x, coord_t y, char c, font_t font, color_t color);
+ void gdisp_lld_fillchar(coord_t x, coord_t y, char c, font_t font, color_t color, color_t bgcolor);
+ #endif
+
+ /* Pixel readback */
+ #if GDISP_NEED_PIXELREAD
+ color_t gdisp_lld_getpixelcolor(coord_t x, coord_t y);
+ #endif
+
+ /* Scrolling Function - clears the area scrolled out */
+ #if GDISP_NEED_SCROLL
+ void gdisp_lld_verticalscroll(coord_t x, coord_t y, coord_t cx, coord_t cy, int lines, color_t bgcolor);
+ #endif
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* HAL_USE_GDISP */
+
+#endif /* _GDISP_LLD_H */
+/** @} */
diff --git a/halext/drivers/gdispSsd1289/gdisp_lld.mk b/halext/drivers/gdispSsd1289/gdisp_lld.mk
new file mode 100644
index 00000000..05d0d319
--- /dev/null
+++ b/halext/drivers/gdispSsd1289/gdisp_lld.mk
@@ -0,0 +1,5 @@
+# List the required driver.
+HALSRC += ${CHIBIOS}/os/halext/drivers/gdispSsd1289/gdisp_lld.c
+
+# Required include directories
+HALINC += ${CHIBIOS}/os/halext/drivers/gdispSsd1289
diff --git a/halext/drivers/gdispSsd1289/gdisp_lld_config.h b/halext/drivers/gdispSsd1289/gdisp_lld_config.h
new file mode 100644
index 00000000..07979581
--- /dev/null
+++ b/halext/drivers/gdispSsd1289/gdisp_lld_config.h
@@ -0,0 +1,224 @@
+/*
+ ChibiOS/RT - Copyright (C) 2006,2007,2008,2009,2010,
+ 2011,2012 Giovanni Di Sirio.
+
+ This file is part of ChibiOS/RT.
+
+ ChibiOS/RT is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ ChibiOS/RT is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
+
+ ---
+
+ A special exception to the GPL can be applied should you wish to distribute
+ a combined work that includes ChibiOS/RT, without being obliged to provide
+ the source code for any proprietary components. See the file exception.txt
+ for full details of how and when the exception can be applied.
+*/
+/*
+ Concepts and parts of this file have been contributed by:
+ Joel Bodenmann aka Tectu -> Maintainer
+ Andrew Hannam aka inmarket -> framework
+ Badger -> console implementation and FSMC
+ Abhishek -> font rendering
+ Ben William -> fastMath and lcdDrawEllipse()
+ Dongxu Li aka dxli -> lcdDrawEllipse() filled option
+*/
+
+/**
+ * @file gdispSsd1289/gdisp_lld_config.h
+ * @brief GDISP Graphic Driver subsystem low level driver header for the Ssd1289 display.
+ *
+ * @addtogroup GDISP
+ * @{
+ */
+
+#ifndef _GDISP_LLD_CONFIG_H
+#define _GDISP_LLD_CONFIG_H
+
+#if HAL_USE_GDISP || defined(__DOXYGEN__)
+
+/*===========================================================================*/
+/* Driver pre-compile time settings. */
+/*===========================================================================*/
+
+/**
+ * @name GDISP hardware accelerated support
+ * @{
+ */
+ /**
+ * @brief Hardware supports changing the orientation.
+ * @details If set to @p FALSE a software stubb is provided.
+ */
+ #define GDISP_HARDWARE_ORIENTATION TRUE
+
+ /**
+ * @brief Hardware supports power control.
+ * @details If set to @p FALSE a software stubb is provided.
+ */
+ #define GDISP_HARDWARE_POWERCONTROL TRUE
+
+ /**
+ * @brief Hardware accelerated line drawing.
+ * @details If set to @p FALSE software emulation is used.
+ */
+ #define GDISP_HARDWARE_LINES FALSE
+
+ /**
+ * @brief Hardware accelerated box drawing.
+ * @details If set to @p FALSE software emulation is used.
+ */
+ #define GDISP_HARDWARE_BOX FALSE
+
+ /**
+ * @brief Hardware accelerated screen clears.
+ * @details If set to @p FALSE software emulation is used.
+ */
+ #define GDISP_HARDWARE_CLEARS TRUE
+
+ /**
+ * @brief Hardware accelerated rectangular fills.
+ * @details If set to @p FALSE software emulation is used.
+ */
+ #define GDISP_HARDWARE_FILLS TRUE
+
+ /**
+ * @brief Hardware accelerated fills from an image.
+ * @details If set to @p FALSE software emulation is used.
+ */
+ #define GDISP_HARDWARE_BITFILLS TRUE
+
+ /**
+ * @brief Hardware accelerated circles.
+ * @details If set to @p FALSE software emulation is used.
+ */
+ #define GDISP_HARDWARE_CIRCLES FALSE
+
+ /**
+ * @brief Hardware accelerated filled circles.
+ * @details If set to @p FALSE software emulation is used.
+ */
+ #define GDISP_HARDWARE_CIRCLEFILLS FALSE
+
+ /**
+ * @brief Hardware accelerated ellipses.
+ * @details If set to @p FALSE software emulation is used.
+ */
+ #define GDISP_HARDWARE_ELLIPSES FALSE
+
+ /**
+ * @brief Hardware accelerated filled ellipses.
+ * @details If set to @p FALSE software emulation is used.
+ */
+ #define GDISP_HARDWARE_ELLIPSEFILLS FALSE
+
+ /**
+ * @brief Hardware accelerated text drawing.
+ * @details If set to @p FALSE software emulation is used.
+ */
+ #define GDISP_HARDWARE_TEXT FALSE
+
+ /**
+ * @brief Hardware accelerated text drawing with a filled background.
+ * @details If set to @p FALSE software emulation is used.
+ */
+ #define GDISP_HARDWARE_TEXTFILLS FALSE
+
+ /**
+ * @brief Hardware accelerated scrolling.
+ * @details If set to @p FALSE there is no support for scrolling.
+ */
+ #define GDISP_HARDWARE_SCROLL TRUE
+
+ /**
+ * @brief Reading back of pixel values.
+ * @details If set to @p FALSE there is no support for pixel read-back.
+ */
+ #define GDISP_HARDWARE_PIXELREAD TRUE
+/** @} */
+
+/**
+ * @name GDISP software algorithm choices
+ * @{
+ */
+ /**
+ * @brief For filled text drawing, use a background fill and then draw
+ * the text instead of using a blit or direct pixel drawing.
+ * @details If set to @p TRUE background fill and then text draw is used.
+ * @note This is ignored if hardware accelerated text is supported.
+ */
+ #define GDISP_SOFTWARE_TEXTFILLDRAW FALSE
+ /**
+ * @brief For filled text drawing, when using a bitmap blit
+ * use a column by column buffer rather than a full character
+ * buffer to save memory at a small performance cost.
+ * @details If set to @p TRUE background fill one character column at a time.
+ * @note This is ignored if software text using blit is not being used.
+ */
+ #define GDISP_SOFTWARE_TEXTBLITCOLUMN FALSE
+/** @} */
+
+/**
+ * @name GDISP pixel format choices
+ * @{
+ */
+ /**
+ * @brief The native pixel format for this device
+ * @note One of the following should be defined:
+ * GDISP_PIXELFORMAT_RGB565
+ * GDISP_PIXELFORMAT_RGB888
+ * GDISP_PIXELFORMAT_RGB444
+ * GDISP_PIXELFORMAT_RGB332
+ * GDISP_PIXELFORMAT_RGB666
+ * GDISP_PIXELFORMAT_CUSTOM
+ * @note If you define GDISP_PIXELFORMAT_CUSTOM you need to also define
+ * color_t, RGB2COLOR(r,g,b), HTML2COLOR(h),
+ * RED_OF(c), GREEN_OF(c), BLUE_OF(c),
+ * COLOR(c) and MASKCOLOR.
+ */
+ #define GDISP_PIXELFORMAT_RGB565
+
+ /**
+ * @brief Do pixels require packing for a blit
+ * @note Is only valid for a pixel format that doesn't fill it's datatype. ie formats:
+ * GDISP_PIXELFORMAT_RGB888
+ * GDISP_PIXELFORMAT_RGB444
+ * GDISP_PIXELFORMAT_RGB666
+ * GDISP_PIXELFORMAT_CUSTOM
+ * @note If you use GDISP_PIXELFORMAT_CUSTOM and packed bit fills
+ * you need to also define @P gdispPackPixels(buf,cx,x,y,c)
+ * @note If you are using GDISP_HARDWARE_BITFILLS = FALSE then the pixel
+ * format must not be a packed format as the software blit does
+ * not support packed pixels
+ * @note Very few cases should actually require packed pixels as the low
+ * level driver can also pack on the fly as it is sending it
+ * to the graphics device.
+ */
+ #define GDISP_PACKED_PIXELS FALSE
+
+ /**
+ * @brief Do lines of pixels require packing for a blit
+ * @note Ignored if GDISP_PACKED_PIXELS is FALSE
+ */
+ #define GDISP_PACKED_LINES FALSE
+
+ /**
+ * @brief Do lines of pixels require packing for a blit
+ * @note Ignored if GDISP_PACKED_PIXELS is FALSE
+ */
+ #define GDISP_PACKED_LINES FALSE
+/** @} */
+
+#endif /* HAL_USE_GDISP */
+
+#endif /* _GDISP_LLD_CONFIG_H */
+/** @} */
diff --git a/halext/drivers/gdispSsd1289/readme.txt b/halext/drivers/gdispSsd1289/readme.txt
new file mode 100644
index 00000000..042c5d2a
--- /dev/null
+++ b/halext/drivers/gdispSsd1289/readme.txt
@@ -0,0 +1,8 @@
+To use this driver you need to define:
+ One of:
+ LCD_USE_GPIO
+ LCD_USE_SPI - Not implemented yet
+ LCD_USE_FSMC
+ Need to define all of:
+ SCREEN_WIDTH
+ SCREEN_HEIGHT
diff --git a/halext/drivers/gdispSsd1289/ssd1289_lld.h b/halext/drivers/gdispSsd1289/ssd1289_lld.h
new file mode 100644
index 00000000..2d05a4aa
--- /dev/null
+++ b/halext/drivers/gdispSsd1289/ssd1289_lld.h
@@ -0,0 +1,131 @@
+#ifndef SSD1289_H
+#define SSD1289_H
+
+#ifdef LCD_USE_GPIO
+ #define Set_CS palSetPad(LCD_CMD_PORT, LCD_CS);
+ #define Clr_CS palClearPad(LCD_CMD_PORT, LCD_CS);
+ #define Set_RS palSetPad(LCD_CMD_PORT, LCD_RS);
+ #define Clr_RS palClearPad(LCD_CMD_PORT, LCD_RS);
+ #define Set_WR palSetPad(LCD_CMD_PORT, LCD_WR);
+ #define Clr_WR palClearPad(LCD_CMD_PORT, LCD_WR);
+ #define Set_RD palSetPad(LCD_CMD_PORT, LCD_RD);
+ #define Clr_RD palClearPad(LCD_CMD_PORT, LCD_RD);
+#endif
+
+#ifdef LCD_USE_SPI
+ /* TODO */
+#endif
+
+#ifdef LCD_USE_FSMC
+/* LCD Registers */
+ #define R0 0x00
+ #define R1 0x01
+ #define R2 0x02
+ #define R3 0x03
+ #define R4 0x04
+ #define R5 0x05
+ #define R6 0x06
+ #define R7 0x07
+ #define R8 0x08
+ #define R9 0x09
+ #define R10 0x0A
+ #define R12 0x0C
+ #define R13 0x0D
+ #define R14 0x0E
+ #define R15 0x0F
+ #define R16 0x10
+ #define R17 0x11
+ #define R18 0x12
+ #define R19 0x13
+ #define R20 0x14
+ #define R21 0x15
+ #define R22 0x16
+ #define R23 0x17
+ #define R24 0x18
+ #define R25 0x19
+ #define R26 0x1A
+ #define R27 0x1B
+ #define R28 0x1C
+ #define R29 0x1D
+ #define R30 0x1E
+ #define R31 0x1F
+ #define R32 0x20
+ #define R33 0x21
+ #define R34 0x22
+ #define R36 0x24
+ #define R37 0x25
+ #define R40 0x28
+ #define R41 0x29
+ #define R43 0x2B
+ #define R45 0x2D
+ #define R48 0x30
+ #define R49 0x31
+ #define R50 0x32
+ #define R51 0x33
+ #define R52 0x34
+ #define R53 0x35
+ #define R54 0x36
+ #define R55 0x37
+ #define R56 0x38
+ #define R57 0x39
+ #define R59 0x3B
+ #define R60 0x3C
+ #define R61 0x3D
+ #define R62 0x3E
+ #define R63 0x3F
+ #define R64 0x40
+ #define R65 0x41
+ #define R66 0x42
+ #define R67 0x43
+ #define R68 0x44
+ #define R69 0x45
+ #define R70 0x46
+ #define R71 0x47
+ #define R72 0x48
+ #define R73 0x49
+ #define R74 0x4A
+ #define R75 0x4B
+ #define R76 0x4C
+ #define R77 0x4D
+ #define R78 0x4E
+ #define R79 0x4F
+ #define R80 0x50
+ #define R81 0x51
+ #define R82 0x52
+ #define R83 0x53
+ #define R96 0x60
+ #define R97 0x61
+ #define R106 0x6A
+ #define R118 0x76
+ #define R128 0x80
+ #define R129 0x81
+ #define R130 0x82
+ #define R131 0x83
+ #define R132 0x84
+ #define R133 0x85
+ #define R134 0x86
+ #define R135 0x87
+ #define R136 0x88
+ #define R137 0x89
+ #define R139 0x8B
+ #define R140 0x8C
+ #define R141 0x8D
+ #define R143 0x8F
+ #define R144 0x90
+ #define R145 0x91
+ #define R146 0x92
+ #define R147 0x93
+ #define R148 0x94
+ #define R149 0x95
+ #define R150 0x96
+ #define R151 0x97
+ #define R152 0x98
+ #define R153 0x99
+ #define R154 0x9A
+ #define R157 0x9D
+ #define R192 0xC0
+ #define R193 0xC1
+ #define R229 0xE5
+#endif
+
+#endif