aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/gdisp/SSD1289/gdisp_lld.c
diff options
context:
space:
mode:
authorJoel Bodenmann <joel@unormal.org>2013-06-04 00:34:47 +0200
committerJoel Bodenmann <joel@unormal.org>2013-06-04 00:34:47 +0200
commitf14ed21d5d5c8e4eb09b37f40d58d1b0ee2c2432 (patch)
tree6e1de5e0f3b6667e96867ca098f26e198050de0b /drivers/gdisp/SSD1289/gdisp_lld.c
parent9945b011a9245907b5066565b396808d3d22c363 (diff)
downloaduGFX-f14ed21d5d5c8e4eb09b37f40d58d1b0ee2c2432.tar.gz
uGFX-f14ed21d5d5c8e4eb09b37f40d58d1b0ee2c2432.tar.bz2
uGFX-f14ed21d5d5c8e4eb09b37f40d58d1b0ee2c2432.zip
SSD1289 update by user Eddie
Diffstat (limited to 'drivers/gdisp/SSD1289/gdisp_lld.c')
-rw-r--r--drivers/gdisp/SSD1289/gdisp_lld.c1215
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 */
+/** @} */