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Diffstat (limited to 'drivers/gdisp/SSD2119/gdisp_lld.c')
-rw-r--r--drivers/gdisp/SSD2119/gdisp_lld.c670
1 files changed, 670 insertions, 0 deletions
diff --git a/drivers/gdisp/SSD2119/gdisp_lld.c b/drivers/gdisp/SSD2119/gdisp_lld.c
new file mode 100644
index 00000000..b478c6d8
--- /dev/null
+++ b/drivers/gdisp/SSD2119/gdisp_lld.c
@@ -0,0 +1,670 @@
+/*
+ ChibiOS/GFX - Copyright (C) 2012
+ Joel Bodenmann aka Tectu <joel@unormal.org>
+
+ This file is part of ChibiOS/GFX.
+
+ ChibiOS/GFX 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/GFX 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/>.
+*/
+
+/**
+ * @file drivers/gdisp/SSD2119/gdisp_lld.c
+ * @brief GDISP Graphics Driver subsystem low level driver source for the SSD2119 display.
+ *
+ * @addtogroup GDISP
+ * @{
+ */
+
+#include "ch.h"
+#include "hal.h"
+#include "gfx.h"
+
+#include "ssd2119.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 240
+#endif
+#ifndef GDISP_SCREEN_WIDTH
+ #define GDISP_SCREEN_WIDTH 320
+#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_EMBEST_DMSTF4BB_FSMC)
+ #include "gdisp_lld_board_embest_dmstf4bb_fsmc.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(SSD2119_REG_RAM_DATA);
+#define stream_stop()
+#define delay(us) chThdSleepMicroseconds(us)
+#define delayms(ms) chThdSleepMilliseconds(ms)
+
+static __inline void set_cursor(coord_t x, coord_t y) {
+ /* Reg SSD2119_REG_X_RAM_ADDR is 9 bit value
+ * Reg SSD2119_REG_Y_RAM_ADDR is an 8 bit
+ * Use a bit mask to make sure they are not set too high
+ */
+ switch(GDISP.Orientation) {
+ case GDISP_ROTATE_0:
+ write_reg(SSD2119_REG_X_RAM_ADDR, x & 0x01FF);
+ write_reg(SSD2119_REG_Y_RAM_ADDR, y & 0x00FF);
+ break;
+ case GDISP_ROTATE_90:
+ write_reg(SSD2119_REG_X_RAM_ADDR, (GDISP_SCREEN_WIDTH - y - 1) & 0x01FF);
+ write_reg(SSD2119_REG_Y_RAM_ADDR, (GDISP_SCREEN_HEIGHT - x - 1) & 0x00FF);
+ break;
+ case GDISP_ROTATE_180:
+ write_reg(SSD2119_REG_X_RAM_ADDR, (GDISP_SCREEN_WIDTH - 1 - x) & 0x01FF);
+ write_reg(SSD2119_REG_Y_RAM_ADDR, (GDISP_SCREEN_HEIGHT - 1 - y) & 0x00FF);
+ break;
+ case GDISP_ROTATE_270:
+ write_reg(SSD2119_REG_X_RAM_ADDR, y & 0x01FF);
+ write_reg(SSD2119_REG_Y_RAM_ADDR, x & 0x00FF);
+ break;
+ }
+}
+
+static void set_viewport(coord_t x, coord_t y, coord_t cx, coord_t cy) {
+
+ set_cursor(x, y);
+
+ /* Reg 0x44 - Vertical RAM address position
+ * Upper Byte - VEA
+ * Lower Byte - VSA
+ * 0 <= VSA <= VEA <= 0xEF
+ * Reg 0x45,0x46 - Horizontal RAM address position
+ * Lower 9 bits gives 0-511 range in each value, HSA and HEA respectively
+ * 0 <= HSA <= HEA <= 0x13F
+ */
+
+ switch(GDISP.Orientation) {
+ case GDISP_ROTATE_0:
+ write_reg(SSD2119_REG_V_RAM_POS, (((y + cy - 1) << 8) & 0xFF00 ) | (y & 0x00FF));
+ write_reg(SSD2119_REG_H_RAM_START, (x & 0x01FF));
+ write_reg(SSD2119_REG_H_RAM_END, (x + cx - 1) & 0x01FF);
+ break;
+ case GDISP_ROTATE_90:
+ write_reg(SSD2119_REG_V_RAM_POS, (((GDISP_SCREEN_HEIGHT - x - 1) & 0x00FF) << 8) | ((GDISP_SCREEN_HEIGHT - (x + cx)) & 0x00FF));
+ write_reg(SSD2119_REG_H_RAM_START, (GDISP_SCREEN_WIDTH - (y + cy)) & 0x01FF);
+ write_reg(SSD2119_REG_H_RAM_END, (GDISP_SCREEN_WIDTH - y - 1) & 0x01FF);
+ break;
+ case GDISP_ROTATE_180:
+ write_reg(SSD2119_REG_V_RAM_POS, (((GDISP_SCREEN_HEIGHT - y - 1) & 0x00FF) << 8) | ((GDISP_SCREEN_HEIGHT - (y + cy)) & 0x00FF));
+ write_reg(SSD2119_REG_H_RAM_START, (GDISP_SCREEN_WIDTH - (x + cx)) & 0x01FF);
+ write_reg(SSD2119_REG_H_RAM_END, (GDISP_SCREEN_WIDTH - x - 1) & 0x01FF);
+ break;
+ case GDISP_ROTATE_270:
+ write_reg(SSD2119_REG_V_RAM_POS, (((x + cx - 1) << 8) & 0xFF00 ) | (x & 0x00FF));
+ write_reg(SSD2119_REG_H_RAM_START, (y & 0x01FF));
+ write_reg(SSD2119_REG_H_RAM_END, (y + cy - 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();
+
+ // Enter sleep mode (if we are not already there).
+ write_reg(SSD2119_REG_SLEEP_MODE_1, 0x0001);
+ delay(5);
+
+ // Set initial power parameters.
+ write_reg(SSD2119_REG_PWR_CTRL_5, 0x00B2);
+ delay(5);
+ write_reg(SSD2119_REG_VCOM_OTP_1, 0x0006);
+ delay(5);
+
+ // Start the oscillator.
+ write_reg(SSD2119_REG_OSC_START, 0x0001);
+ delay(5);
+
+ // Set pixel format and basic display orientation (scanning direction).
+ write_reg(SSD2119_REG_OUTPUT_CTRL, 0x30EF);
+ delay(5);
+ write_reg(SSD2119_REG_LCD_DRIVE_AC_CTRL, 0x0600);
+ delay(5);
+
+ // Exit sleep mode.
+ write_reg(SSD2119_REG_SLEEP_MODE_1, 0x0000);
+ delay(5);
+
+ // Configure pixel color format and MCU interface parameters.
+ write_reg(SSD2119_REG_ENTRY_MODE, 0x6830); // ENTRY_MODE_DEFAULT
+ delay(5);
+
+ // Set analog parameters.
+ write_reg(SSD2119_REG_SLEEP_MODE_2, 0x0999);
+ delay(5);
+ write_reg(SSD2119_REG_ANALOG_SET, 0x3800);
+ delay(5);
+
+ // Enable the display.
+ write_reg(SSD2119_REG_DISPLAY_CTRL, 0x0033);
+ delay(5);
+
+ // Set VCIX2 voltage to 6.1V.
+ write_reg(SSD2119_REG_PWR_CTRL_2, 0x0005);
+ delay(5);
+
+ // Configure gamma correction.
+ write_reg(SSD2119_REG_GAMMA_CTRL_1, 0x0000);
+ delay(5);
+ write_reg(SSD2119_REG_GAMMA_CTRL_2, 0x0303);
+ delay(5);
+ write_reg(SSD2119_REG_GAMMA_CTRL_3, 0x0407);
+ delay(5);
+ write_reg(SSD2119_REG_GAMMA_CTRL_4, 0x0301);
+ delay(5);
+ write_reg(SSD2119_REG_GAMMA_CTRL_5, 0x0301);
+ delay(5);
+ write_reg(SSD2119_REG_GAMMA_CTRL_6, 0x0403);
+ delay(5);
+ write_reg(SSD2119_REG_GAMMA_CTRL_7, 0x0707);
+ delay(5);
+ write_reg(SSD2119_REG_GAMMA_CTRL_8, 0x0400);
+ delay(5);
+ write_reg(SSD2119_REG_GAMMA_CTRL_9, 0x0a00);
+ delay(5);
+ write_reg(SSD2119_REG_GAMMA_CTRL_10, 0x1000);
+ delay(5);
+
+ // Configure Vlcd63 and VCOMl.
+ write_reg(SSD2119_REG_PWR_CTRL_3, 0x000A);
+ delay(5);
+ write_reg(SSD2119_REG_PWR_CTRL_4, 0x2E00);
+ delay(5);
+
+ // Set the display size and ensure that the GRAM window is set to allow access to the full display buffer.
+ write_reg(SSD2119_REG_V_RAM_POS, (GDISP_SCREEN_HEIGHT - 1) << 8);
+ delay(5);
+ write_reg(SSD2119_REG_H_RAM_START, 0x0000);
+ delay(5);
+ write_reg(SSD2119_REG_H_RAM_END, GDISP_SCREEN_WIDTH - 1);
+ delay(5);
+
+ write_reg(SSD2119_REG_X_RAM_ADDR, 0x00);
+ delay(5);
+ write_reg(SSD2119_REG_Y_RAM_ADDR, 0x00);
+ delay(5);
+
+ // Release the bus
+ release_bus();
+
+ /* Turn on the backlight */
+ 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(SSD2119_REG_RAM_DATA, 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 (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; j < cx; j++)
+ buf[j] = read_data();
+ stream_stop();
+
+ set_viewport(x, row1, cx, 1);
+ stream_start();
+ for (j = 0; j < cx; j++)
+ write_data(buf[j]);
+ stream_stop();
+ }
+ }
+
+ /* fill the remaining gap */
+ set_viewport(x, lines > 0 ? (y+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.
+ *
+ * @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(SSD2119_REG_SLEEP_MODE_1, 0x0001); // Enter sleep mode
+ write_reg(SSD2119_REG_DISPLAY_CTRL, 0x0000); // Display off
+ write_reg(SSD2119_REG_OSC_START, 0x0000); // Turn off oscillator
+ release_bus();
+ set_backlight(0);
+ break;
+
+ case powerOn:
+ if (GDISP.Powermode == powerSleep) {
+ acquire_bus();
+ write_reg(SSD2119_REG_SLEEP_MODE_1, 0x0000); // Leave sleep mode
+ write_reg(SSD2119_REG_DISPLAY_CTRL, 0x0033); // Display on
+ release_bus();
+ delayms(170);
+ } else if (GDISP.Powermode == powerDeepSleep) {
+ acquire_bus();
+ write_reg(SSD2119_REG_SLEEP_MODE_2, 0x0999); // Disable deep sleep function
+ write_reg(SSD2119_REG_SLEEP_MODE_1, 0x0000); // Leave sleep mode
+ write_reg(SSD2119_REG_DISPLAY_CTRL, 0x0033); // Display on
+ release_bus();
+ delayms(170);
+ } else {
+ acquire_bus();
+ write_reg(SSD2119_REG_SLEEP_MODE_1, 0x0000); // Leave sleep mode
+ release_bus();
+ gdisp_lld_init();
+ }
+ set_backlight(100);
+ break;
+
+ case powerSleep:
+ acquire_bus();
+ write_reg(SSD2119_REG_SLEEP_MODE_1, 0x0001); // Enter sleep mode
+ write_reg(SSD2119_REG_DISPLAY_CTRL, 0x0000); // Display off
+ release_bus();
+ set_backlight(0);
+ delayms(25);
+ break;
+
+ case powerDeepSleep:
+ acquire_bus();
+ write_reg(SSD2119_REG_SLEEP_MODE_1, 0x0001); // Enter sleep mode
+ write_reg(SSD2119_REG_SLEEP_MODE_2, 0x2999); // Enable deep sleep function
+ write_reg(SSD2119_REG_DISPLAY_CTRL, 0x0000); // Display off
+ release_bus();
+ set_backlight(0);
+ delayms(25);
+ 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();
+ /* TB = 0 */
+ write_reg(SSD2119_REG_OUTPUT_CTRL, 0x30EF);
+ /* ID = 11 AM = 0 */
+ write_reg(SSD2119_REG_ENTRY_MODE, 0x6830);
+ release_bus();
+ GDISP.Height = GDISP_SCREEN_HEIGHT;
+ GDISP.Width = GDISP_SCREEN_WIDTH;
+ break;
+
+ case GDISP_ROTATE_90:
+ acquire_bus();
+ /* TB = 1 */
+ write_reg(SSD2119_REG_OUTPUT_CTRL, 0x32EF);
+ /* ID = 10 AM = 1 */
+ write_reg(SSD2119_REG_ENTRY_MODE, 0x6828);
+ release_bus();
+ GDISP.Height = GDISP_SCREEN_WIDTH;
+ GDISP.Width = GDISP_SCREEN_HEIGHT;
+ break;
+
+ case GDISP_ROTATE_180:
+ acquire_bus();
+ /* TB = 0 */
+ write_reg(SSD2119_REG_OUTPUT_CTRL, 0x30EF);
+ /* ID = 00 AM = 0 */
+ write_reg(SSD2119_REG_ENTRY_MODE, 0x6800);
+ release_bus();
+ GDISP.Height = GDISP_SCREEN_HEIGHT;
+ GDISP.Width = GDISP_SCREEN_WIDTH;
+ break;
+
+ case GDISP_ROTATE_270:
+ acquire_bus();
+ /* TB = 1 */
+ write_reg(SSD2119_REG_OUTPUT_CTRL, 0x32EF);
+ /* ID = 01 AM = 1 */
+ write_reg(SSD2119_REG_ENTRY_MODE, 0x6818);
+ 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;
+ }
+ }
+#endif
+
+#endif /* GFX_USE_GDISP */
+/** @} */
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-13 23:33:59 +0000