diff options
Diffstat (limited to 'halext/drivers/gdispNokia6610/gdisp_lld.c')
| -rw-r--r-- | halext/drivers/gdispNokia6610/gdisp_lld.c | 732 |
1 files changed, 732 insertions, 0 deletions
diff --git a/halext/drivers/gdispNokia6610/gdisp_lld.c b/halext/drivers/gdispNokia6610/gdisp_lld.c new file mode 100644 index 00000000..6d27bfa5 --- /dev/null +++ b/halext/drivers/gdispNokia6610/gdisp_lld.c @@ -0,0 +1,732 @@ +/*
+ 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 gdispNokia6610/gdisp_lld.c
+ * @brief GDISP Graphics Driver subsystem low level driver source for the Nokia6610 display.
+ *
+ * @addtogroup GDISP
+ * @{
+ */
+
+#include "ch.h"
+#include "hal.h"
+#include "gdisp.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
+
+/* Controller definitions */
+#if defined(LCD_USE_GE8)
+ #include "GE8.h"
+#elif defined(LCD_USE_GE12)
+ #include "GE12.h"
+#else
+ #error "gdispNokia6610: Either LCD_USE_GE8 or LCD_USE_GE12 must be defined depending on your controller"
+#endif
+
+// mask definitions
+#define BIT0 0x00000001
+#define BIT1 0x00000002
+#define BIT2 0x00000004
+#define BIT3 0x00000008
+#define BIT4 0x00000010
+#define BIT5 0x00000020
+#define BIT6 0x00000040
+#define BIT7 0x00000080
+#define BIT8 0x00000100
+#define BIT9 0x00000200
+#define BIT10 0x00000400
+#define BIT11 0x00000800
+#define BIT12 0x00001000
+#define BIT13 0x00002000
+#define BIT14 0x00004000
+#define BIT15 0x00008000
+#define BIT16 0x00010000
+#define BIT17 0x00020000
+#define BIT18 0x00040000
+#define BIT19 0x00080000
+#define BIT20 0x00100000
+#define BIT21 0x00200000
+#define BIT22 0x00400000
+#define BIT23 0x00800000
+#define BIT24 0x01000000
+#define BIT25 0x02000000
+#define BIT26 0x04000000
+#define BIT27 0x08000000
+#define BIT28 0x10000000
+#define BIT29 0x20000000
+#define BIT30 0x40000000
+#define BIT31 0x80000000
+
+/*===========================================================================*/
+/* Driver exported variables. */
+/*===========================================================================*/
+
+#if !defined(__DOXYGEN__)
+ GDISPDriver GDISP;
+#endif
+
+/*===========================================================================*/
+/* Driver local variables. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver local functions. */
+/*===========================================================================*/
+
+#include "gdisp_fonts.h"
+
+#if defined(BOARD_OLIMEX_SAM7_EX256)
+ #include "gdisp_lld_board_olimexsam7ex256.h"
+#else
+ /* Include the user supplied board definitions */
+ #include "gdisp_lld_board.h"
+#endif
+
+#define gdisp_lld_write_command(cmd) gdisp_lld_write_spi((cmd) & ~0x0100)
+#define gdisp_lld_write_data(data) gdisp_lld_write_spi((data) | 0x0100)
+
+static __inline void gdisp_lld_setviewport(coord_t x, coord_t y, coord_t cx, coord_t cy) {
+ gdisp_lld_write_command(CASET); // Column address set
+ gdisp_lld_write_data(x);
+ gdisp_lld_write_data(x+cx-1);
+ gdisp_lld_write_command(PASET); // Page address set
+ gdisp_lld_write_data(y);
+ gdisp_lld_write_data(y+cy-1);
+}
+
+void Delay (unsigned long a) {
+ chThdSleepMilliseconds(a/100);
+// volatile unsigned long d;
+// for(d=a; d; d--);
+}
+
+/*===========================================================================*/
+/* Driver interrupt handlers. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver exported functions. */
+/*===========================================================================*/
+
+/* Include the software emulation routines */
+#include "gdisp_lld_inc_emulation.c.h"
+
+/* ---- 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) {
+ /* Initialise your display */
+ gdisp_lld_init_board();
+
+ // Hardware reset
+ gdisp_lld_setpin_reset(TRUE);
+ Delay(20000);
+ gdisp_lld_setpin_reset(FALSE);
+ Delay(20000);
+
+ #if defined(LCD_USE_GE8)
+ #if 1
+ gdisp_lld_write_command(DISCTL); // Display control
+ gdisp_lld_write_data(0x00); // P1: 0x00 = 2 divisions, switching period=8 (default)
+ gdisp_lld_write_data(0x20); // P2: 0x20 = nlines/4 - 1 = 132/4 - 1 = 32)
+ gdisp_lld_write_data(0x00); // P3: 0x00 = no inversely highlighted lines
+ gdisp_lld_write_command(COMSCN); // COM scan
+ gdisp_lld_write_data(1); // P1: 0x01 = Scan 1->80, 160<-81
+ gdisp_lld_write_command(OSCON); // Internal oscilator ON
+ gdisp_lld_write_command(SLPOUT); // Sleep out
+ gdisp_lld_write_command(PWRCTR); // Power control
+ gdisp_lld_write_data(0x0f); // reference voltage regulator on, circuit voltage follower on, BOOST ON
+ // Interesting - all the code seems to say this should be done. But my display doesn't want it!
+ //gdisp_lld_write_command(DISINV); // Inverse display
+ gdisp_lld_write_command(DATCTL); // Data control
+ gdisp_lld_write_data(0x01); // P1: 0x01 = page address inverted, column address normal, address scan in column direction
+ gdisp_lld_write_data(0x00); // P2: 0x00 = RGB sequence (default value)
+ gdisp_lld_write_data(0x02); // P3: 0x02 = Grayscale -> 16 (selects 12-bit color, type A)
+ gdisp_lld_write_command(VOLCTR); // Voltage control (contrast setting)
+ gdisp_lld_write_data(32); // P1 = 32 volume value (experiment with this value to get the best contrast)
+ gdisp_lld_write_data(3); // P2 = 3 resistance ratio (only value that works)
+ Delay(100000); // allow power supply to stabilize
+ gdisp_lld_write_command(DISON); // Turn on the display
+ #else
+ // Alternative
+ gdisp_lld_write_command(DISCTL); // Display control
+ gdisp_lld_write_data(0x00); // default
+ gdisp_lld_write_data(0x20); // (32 + 1) * 4 = 132 lines (of which 130 are visible)
+ gdisp_lld_write_data(0x0a); // default
+ gdisp_lld_write_command(COMSCN); // COM scan
+ gdisp_lld_write_data(0x00); // Scan 1-80
+ gdisp_lld_write_command(OSCON); // Internal oscilator ON
+ Delay(10000); // wait aproximetly 100ms
+ gdisp_lld_write_command(SLPOUT); // Sleep out
+ gdisp_lld_write_command(VOLCTR); // Voltage control
+ gdisp_lld_write_data(0x1F); // middle value of V1
+ gdisp_lld_write_data(0x03); // middle value of resistance value
+ gdisp_lld_write_command(TMPGRD); // Temperature gradient
+ gdisp_lld_write_data(0x00); // default
+ gdisp_lld_write_command(PWRCTR); // Power control
+ gdisp_lld_write_data(0x0f); // referance voltage regulator on, circuit voltage follower on, BOOST ON
+ gdisp_lld_write_command(DISNOR); // Normal display
+ gdisp_lld_write_command(DISINV); // Inverse display
+ gdisp_lld_write_command(PTLOUT); // Partial area off
+ // gdisp_lld_write_command(ASCSET); // Scroll area set
+ // gdisp_lld_write_data(0);
+ // gdisp_lld_write_data(0);
+ // gdisp_lld_write_data(40);
+ // gdisp_lld_write_data(3);
+ // gdisp_lld_write_command(SCSTART); // Vertical scrool address start
+ // gdisp_lld_write_data(0);
+ gdisp_lld_write_command(DATCTL); // Data control
+ gdisp_lld_write_data(0x00); // all inversions off, column direction
+ gdisp_lld_write_data(0x03); // RGB sequence
+ gdisp_lld_write_data(0x02); // Grayscale -> 16
+ gdisp_lld_write_command(PASET); // Page Address set
+ gdisp_lld_write_data(0);
+ gdisp_lld_write_data(131);
+ gdisp_lld_write_command(CASET); // Page Column set
+ gdisp_lld_write_data(0);
+ gdisp_lld_write_data(131);
+ gdisp_lld_write_command(DISON); // Turn on the display
+ #endif
+
+ #elif defined(LCD_USE_GE12)
+ #if 1
+ gdisp_lld_write_command(SLEEPOUT); // Sleep out
+ gdisp_lld_write_command(INVON); // Inversion on: seems to be required for this controller
+ gdisp_lld_write_command(COLMOD); // Color Interface Pixel Format
+ gdisp_lld_write_data(0x03); // 0x03 = 12 bits-per-pixel
+ gdisp_lld_write_command(MADCTL); // Memory access controler
+ gdisp_lld_write_data(0xC8); // 0xC0 = mirror x and y, reverse rgb
+ gdisp_lld_write_command(SETCON); // Write contrast
+ gdisp_lld_write_data(0x30); // contrast - experiental value
+ Delay(2000);
+ gdisp_lld_write_command(DISPON); // Display On
+ #else
+ // Alternative
+ // Hardware reset commented out
+ gdisp_lld_write_command(SOFTRST); // Software Reset
+ Delay(2000);
+ gdisp_lld_write_command(INITESC); // Initial escape
+ Delay(2000);
+ gdisp_lld_write_command(REFSET); // Refresh set
+ gdisp_lld_write_data(0);
+ gdisp_lld_write_command(DISPCTRL); // Set Display control
+ gdisp_lld_write_data(128); // Set the lenght of one selection term
+ gdisp_lld_write_data(128); // Set N inversion -> no N inversion
+ gdisp_lld_write_data(134); // Set frame frequence and bias rate -> 2 devision of frequency and 1/8 bias, 1/67 duty, 96x67 size
+ gdisp_lld_write_data(84); // Set duty parameter
+ gdisp_lld_write_data(69); // Set duty parameter
+ gdisp_lld_write_data(82); // Set duty parameter
+ gdisp_lld_write_data(67); // Set duty parameter
+ gdisp_lld_write_command(GRAYSCALE0); // Grey scale 0 position set - 15 parameters
+ gdisp_lld_write_data(1); // GCP1 - gray lavel to be output when the RAM data is "0001"
+ gdisp_lld_write_data(2); // GCP2 - gray lavel to be output when the RAM data is "0010"
+ gdisp_lld_write_data(4); // GCP3 - gray lavel to be output when the RAM data is "0011"
+ gdisp_lld_write_data(8); // GCP4 - gray lavel to be output when the RAM data is "0100"
+ gdisp_lld_write_data(16); // GCP5 - gray lavel to be output when the RAM data is "0101"
+ gdisp_lld_write_data(30); // GCP6 - gray lavel to be output when the RAM data is "0110"
+ gdisp_lld_write_data(40); // GCP7 - gray lavel to be output when the RAM data is "0111"
+ gdisp_lld_write_data(50); // GCP8 - gray lavel to be output when the RAM data is "1000"
+ gdisp_lld_write_data(60); // GCP9 - gray lavel to be output when the RAM data is "1001"
+ gdisp_lld_write_data(70); // GCP10 - gray lavel to be output when the RAM data is "1010"
+ gdisp_lld_write_data(80); // GCP11 - gray lavel to be output when the RAM data is "1011"
+ gdisp_lld_write_data(90); // GCP12 - gray lavel to be output when the RAM data is "1100"
+ gdisp_lld_write_data(100); // GCP13 - gray lavel to be output when the RAM data is "1101"
+ gdisp_lld_write_data(110); // GCP14 - gray lavel to be output when the RAM data is "1110"
+ gdisp_lld_write_data(127); // GCP15 - gray lavel to be output when the RAM data is "1111"
+ gdisp_lld_write_command(GAMMA); // Gamma curve set - select gray scale - GRAYSCALE 0 or GREYSCALE 1
+ gdisp_lld_write_data(1); // Select grey scale 0
+ gdisp_lld_write_command(COMMONDRV); // Command driver output
+ gdisp_lld_write_data(0); // Set COM1-COM41 side come first, normal mod
+ gdisp_lld_write_command(NORMALMODE); // Set Normal mode (my)
+ // gdisp_lld_write_command(INVERSIONOFF); // Inversion off
+ gdisp_lld_write_command(COLADDRSET); // Column address set
+ gdisp_lld_write_data(0);
+ gdisp_lld_write_data(131);
+ gdisp_lld_write_command(PAGEADDRSET); // Page address set
+ gdisp_lld_write_data(0);
+ gdisp_lld_write_data(131);
+ gdisp_lld_write_command(ACCESSCTRL); // Memory access controler
+ gdisp_lld_write_data(0x40); // horizontal
+ //gdisp_lld_write_data(0x20); // vertical
+ gdisp_lld_write_command(PWRCTRL); // Power control
+ gdisp_lld_write_data(4); // Internal resistance, V1OUT -> high power mode, oscilator devision rate
+ gdisp_lld_write_command(SLEEPOUT); // Sleep out
+ gdisp_lld_write_command(VOLTCTRL); // Voltage control - voltage control and write contrast define LCD electronic volume
+ //gdisp_lld_write_data(0x7f); // full voltage control
+ //gdisp_lld_write_data(0x03); // must be "1"
+ gdisp_lld_write_command(CONTRAST); // Write contrast
+ gdisp_lld_write_data(0x3b); // contrast
+ Delay(2000);
+ gdisp_lld_write_command(TEMPGRADIENT); // Temperature gradient
+ for(i=0; i<14; i++) gdisp_lld_write_data(0);
+ gdisp_lld_write_command(BOOSTVON); // Booster voltage ON
+ gdisp_lld_write_command(DISPLAYON); // Finally - Display On
+ #endif
+ #endif
+
+ /* Turn on the back-light */
+ gdisp_lld_setpin_backlight(TRUE);
+
+ /* Initialise the GDISP structure to match */
+ GDISP.Width = 132;
+ GDISP.Height = 132;
+ GDISP.Orientation = portrait;
+ GDISP.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 >= GDISP.Width || y >= GDISP.Height) return;
+ #endif
+ gdisp_lld_setviewport(x, y, 1, 1);
+ gdisp_lld_write_command(RAMWR);
+ gdisp_lld_write_data((color >> 4) & 0xFF);
+ gdisp_lld_write_data((color << 4) & 0xF0);
+ gdisp_lld_write_command(NOP);
+}
+
+/* ---- 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 equivalent to powerOn.
+ *
+ * @param[in] powerMode The new power mode
+ *
+ * @notapi
+ */
+ void gdisp_lld_setpowermode(gdisp_powermode_t powerMode) {
+ /* NOT IMPLEMENTED YET */
+ if (GDISP.Powermode == powerMode)
+ return;
+
+ switch(powerMode) {
+ case powerOff:
+ /* Code here */
+ break;
+ case powerOn:
+ /* Code here */
+ /* You may need this ---
+ if (GDISP.Powermode != powerSleep)
+ gdisp_lld_init();
+ */
+ break;
+ case powerSleep:
+ /* Code here */
+ break;
+ default:
+ return;
+ }
+
+ GDISP.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) {
+ /* NOT IMPLEMENTED YET */
+ if (GDISP.Orientation == newOrientation)
+ return;
+
+// WriteSpiData(0x48); // no mirror Y (temporary to satisfy Olimex bmptoarray utility)
+// WriteSpiData(0xC8); // restore to (mirror x and y, reverse rgb)
+ switch(newOrientation) {
+ case portrait:
+ /* Code here */
+ GDISP.Height = SCREEN_HEIGHT;
+ GDISP.Width = SCREEN_WIDTH;
+ break;
+ case landscape:
+ /* Code here */
+ GDISP.Height = SCREEN_WIDTH;
+ GDISP.Width = SCREEN_HEIGHT;
+ break;
+ case portraitInv:
+ /* Code here */
+ GDISP.Height = SCREEN_HEIGHT;
+ GDISP.Width = SCREEN_WIDTH;
+ break;
+ case landscapeInv:
+ /* Code here */
+ GDISP.Height = SCREEN_WIDTH;
+ GDISP.Width = SCREEN_HEIGHT;
+ break;
+ default:
+ return;
+ }
+ GDISP.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) {
+ /* NOT IMPLEMENTED */
+ /* Nothing to be gained by implementing this
+ * as fillarea is just as fast.
+ */
+ }
+#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) {
+ unsigned i, tuples;
+
+ #if GDISP_NEED_VALIDATION
+ if (cx < 1 || cy < 1 || x >= GDISP.Width || y >= GDISP.Height) return;
+ if (x+cx > GDISP.Width) cx = GDISP.Width - x;
+ if (y+cy > GDISP.Height) cy = GDISP.Height - y;
+ #endif
+
+ tuples = (cx*cy+1)/2; // With an odd sized area we over-print by one pixel.
+ // This extra pixel is ignored by the controller.
+
+ gdisp_lld_setviewport(x, y, cx, cy);
+ gdisp_lld_write_command(RAMWR);
+ for(i=0; i < tuples; i++) {
+ gdisp_lld_write_data((color >> 4) & 0xFF);
+ gdisp_lld_write_data(((color << 4) & 0xF0)|((color >> 8) & 0x0F));
+ gdisp_lld_write_data(color & 0xFF);
+ }
+ }
+#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, tuples;
+ #ifndef GDISP_PACKED_PIXELS
+ color_t c1, c2;
+ #endif
+
+ #if GDISP_NEED_VALIDATION
+ if (cx < 1 || cy < 1 || x >= GDISP.Width || y >= GDISP.Height) return;
+ if (x+cx > GDISP.Width) return;
+ if (y+cy > GDISP.Height) cy = GDISP.Height - y;
+ #endif
+
+ area = cx*cy;
+
+ gdisp_lld_setviewport(x, y, cx, cy);
+ gdisp_lld_write_command(RAMWR);
+
+ #ifdef GDISP_PACKED_PIXELS
+ // 3 bytes per 2 pixels + an extra 2 bytes if the total size is odd.
+ // Note we can't just over-estimate this and let the controller handle the extra pixel
+ // as that might over-run our source buffer (very bad in some circumstances).
+ tuples = (area/2)*3+(area & 0x01)*2;
+ for(i=0; i < tuples; i++)
+ gdisp_lld_write_data(*buffer++);
+ if (area & 0x01)
+ gdisp_lld_write_command(NOP);
+ #else
+ // Although this controller uses packed pixels we support unpacked pixel
+ // formats in this blit by packing the data as we feed it to the controller.
+ tuples = area/2;
+ for(i=0; i < tuples; i++) {
+ c1 = *buffer++;
+ c2 = *buffer++;
+ gdisp_lld_write_data((c1 >> 4) & 0xFF);
+ gdisp_lld_write_data(((c1 << 4) & 0xF0)|((c2 >> 8) & 0x0F));
+ gdisp_lld_write_data(c2 & 0xFF);
+ }
+ if (area & 0x01) {
+ c1 = *buffer++;
+ gdisp_lld_write_data((c1 >> 4) & 0xFF);
+ gdisp_lld_write_data((c1 << 4) & 0xF0);
+ gdisp_lld_write_command(NOP);
+ }
+ #endif
+ }
+#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) {
+ /* NOT IMPLEMENTED */
+ }
+#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) {
+ /* NOT IMPLEMENTED */
+ }
+#endif
+
+#endif /* HAL_USE_GDISP */
+/** @} */
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