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authorJoel Bodenmann <joel@unormal.org>2013-11-10 21:07:16 +0100
committerJoel Bodenmann <joel@unormal.org>2013-11-10 21:07:16 +0100
commitda2740b706d720292113445ee1db30f8a9873dc4 (patch)
tree8f8b1902d4af6a23b3daf26990f580b76ea31ea4 /drivers/gdisp/SSD2119/gdisp_lld.c
parent6ca3537a696e7ace8098771a9a7105380604253d (diff)
parenta8ce005e2621b0108863297948cea0fa52c8bf2a (diff)
downloaduGFX-da2740b706d720292113445ee1db30f8a9873dc4.tar.gz
uGFX-da2740b706d720292113445ee1db30f8a9873dc4.tar.bz2
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merging GDISPStreaming
Diffstat (limited to 'drivers/gdisp/SSD2119/gdisp_lld.c')
-rw-r--r--drivers/gdisp/SSD2119/gdisp_lld.c704
1 files changed, 0 insertions, 704 deletions
diff --git a/drivers/gdisp/SSD2119/gdisp_lld.c b/drivers/gdisp/SSD2119/gdisp_lld.c
deleted file mode 100644
index de97d805..00000000
--- a/drivers/gdisp/SSD2119/gdisp_lld.c
+++ /dev/null
@@ -1,704 +0,0 @@
-/*
- * This file is subject to the terms of the GFX License. If a copy of
- * the license was not distributed with this file, you can obtain one at:
- *
- * http://ugfx.org/license.html
- */
-
-/**
- * @file drivers/gdisp/SSD2119/gdisp_lld.c
- * @brief GDISP Graphics Driver subsystem low level driver source for the SSD2119 display.
- *
- * @addtogroup GDISP
- * @{
- */
-
-#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. */
-/*===========================================================================*/
-
-#include "gdisp_lld_board.h"
-
-// 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) gfxSleepMicroseconds(us)
-#define delayms(ms) gfxSleepMilliseconds(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 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 // defined(GDISP_USE_FSMC) && defined(GDISP_USE_DMA) && defined(GDISP_DMA_STREAM)
-
- 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 // defined(GDISP_USE_FSMC) && defined(GDISP_USE_DMA) && defined(GDISP_DMA_STREAM)
-
- 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 // defined(GDISP_USE_FSMC) && defined(GDISP_USE_DMA) && defined(GDISP_DMA_STREAM)
-
- 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.
- *
- * @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 */
-/** @} */