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ugfx/halext/drivers/gdispS6d1121/gdisp_lld.c
Andrew Hannam 8f9c956810 Multi-thread, Async Multi-thread & VMT
2012-08-09 17:18:32 +10:00

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/*
ChibiOS/RT - Copyright (C) 2012
Joel Bodenmann aka Tectu <joel@unormal.org>
This file is part of ChibiOS-LCD-Driver.
ChibiOS-LCD-Driver 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-LCD-Driver 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 gdispS6d1121/gdisp_lld.c
* @brief GDISP Graphics Driver subsystem low level driver source for the S6d1121 display.
*
* @addtogroup GDISP
* @{
*/
#include "ch.h"
#include "hal.h"
#include "gdisp.h"
#if HAL_USE_GDISP || defined(__DOXYGEN__)
/* Include the emulation code for things we don't support */
#include "gdisp_emulation.c"
/*===========================================================================*/
/* Driver local definitions. */
/*===========================================================================*/
/*===========================================================================*/
/* Driver exported variables. */
/*===========================================================================*/
/*===========================================================================*/
/* Driver local variables. */
/*===========================================================================*/
/*===========================================================================*/
/* Driver local functions. */
/*===========================================================================*/
#include "s6d1121_lld.c.h"
/*===========================================================================*/
/* 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) {
palSetPadMode(LCD_RST_GPIO, LCD_RST_PIN, PAL_MODE_OUTPUT_PUSHPULL | PAL_STM32_OSPEED_HIGHEST);
// A Good idea to reset the module before using
LCD_RST_LOW;
s6d1121_delay(2);
LCD_RST_HIGH; // Hardware Reset
s6d1121_delay(2);
#ifdef LCD_USE_GPIO
// IO Default Configurations
palSetPadMode(LCD_CS_GPIO, LCD_CS_PIN, PAL_MODE_OUTPUT_PUSHPULL | PAL_STM32_OSPEED_HIGHEST);
palSetPadMode(LCD_WR_GPIO, LCD_WR_PIN, PAL_MODE_OUTPUT_PUSHPULL | PAL_STM32_OSPEED_HIGHEST);
palSetPadMode(LCD_RD_GPIO, LCD_RD_PIN, PAL_MODE_OUTPUT_PUSHPULL | PAL_STM32_OSPEED_HIGHEST);
palSetPadMode(LCD_RS_GPIO, LCD_RS_PIN, PAL_MODE_OUTPUT_PUSHPULL | PAL_STM32_OSPEED_HIGHEST);
palSetPadMode(LCD_BL_GPIO, LCD_BL_PIN, PAL_MODE_OUTPUT_PUSHPULL | PAL_STM32_OSPEED_HIGHEST);
palSetGroupMode(LCD_D0_GPIO, 0x0000000F, 0, PAL_MODE_OUTPUT_PUSHPULL | PAL_STM32_OSPEED_HIGHEST);
palSetGroupMode(LCD_D4_GPIO, 0x0000FFF0, 0, PAL_MODE_OUTPUT_PUSHPULL | PAL_STM32_OSPEED_HIGHEST);
LCD_CS_HIGH;
LCD_RD_HIGH;
LCD_WR_HIGH;
LCD_BL_LOW;
#elif defined(LCD_USE_FSMC)
#if defined(STM32F1XX)
/* FSMC setup. TODO: this only works for STM32F1 */
rccEnableAHB(RCC_AHBENR_FSMCEN, 0);
/* TODO: pin setup */
#elif defined(STM32F4XX)
/* STM32F4 FSMC init */
rccEnableAHB3(RCC_AHB3ENR_FSMCEN, 0);
/* set pins to FSMC mode */
IOBus busD = {GPIOD, (1 << 0) | (1 << 1) | (1 << 4) | (1 << 5) | (1 << 7) | (1 << 8) |
(1 << 9) | (1 << 10) | (1 << 11) | (1 << 14) | (1 << 15), 0};
IOBus busE = {GPIOE, (1 << 7) | (1 << 8) | (1 << 9) | (1 << 10) | (1 << 11) | (1 << 12) |
(1 << 13) | (1 << 14) | (1 << 15), 0};
palSetBusMode(&busD, PAL_MODE_ALTERNATE(12));
palSetBusMode(&busE, PAL_MODE_ALTERNATE(12));
#else
#error "FSMC not implemented for this device"
#endif
int FSMC_Bank = 0;
/* FSMC timing */
FSMC_Bank1->BTCR[FSMC_Bank+1] = (10) | (10 << 8) | (10 << 16);
/* Bank1 NOR/SRAM control register configuration */
FSMC_Bank1->BTCR[FSMC_Bank] = FSMC_BCR1_MWID_0 | FSMC_BCR1_WREN | FSMC_BCR1_MBKEN;
#endif
lld_lcdWriteReg(0x11,0x2004);
lld_lcdWriteReg(0x13,0xCC00);
lld_lcdWriteReg(0x15,0x2600);
lld_lcdWriteReg(0x14,0x252A);
lld_lcdWriteReg(0x12,0x0033);
lld_lcdWriteReg(0x13,0xCC04);
s6d1121_delay(1);
lld_lcdWriteReg(0x13,0xCC06);
s6d1121_delay(1);
lld_lcdWriteReg(0x13,0xCC4F);
s6d1121_delay(1);
lld_lcdWriteReg(0x13,0x674F);
lld_lcdWriteReg(0x11,0x2003);
s6d1121_delay(1);
// Gamma Setting
lld_lcdWriteReg(0x30,0x2609);
lld_lcdWriteReg(0x31,0x242C);
lld_lcdWriteReg(0x32,0x1F23);
lld_lcdWriteReg(0x33,0x2425);
lld_lcdWriteReg(0x34,0x2226);
lld_lcdWriteReg(0x35,0x2523);
lld_lcdWriteReg(0x36,0x1C1A);
lld_lcdWriteReg(0x37,0x131D);
lld_lcdWriteReg(0x38,0x0B11);
lld_lcdWriteReg(0x39,0x1210);
lld_lcdWriteReg(0x3A,0x1315);
lld_lcdWriteReg(0x3B,0x3619);
lld_lcdWriteReg(0x3C,0x0D00);
lld_lcdWriteReg(0x3D,0x000D);
lld_lcdWriteReg(0x16,0x0007);
lld_lcdWriteReg(0x02,0x0013);
lld_lcdWriteReg(0x03,0x0003);
lld_lcdWriteReg(0x01,0x0127);
s6d1121_delay(1);
lld_lcdWriteReg(0x08,0x0303);
lld_lcdWriteReg(0x0A,0x000B);
lld_lcdWriteReg(0x0B,0x0003);
lld_lcdWriteReg(0x0C,0x0000);
lld_lcdWriteReg(0x41,0x0000);
lld_lcdWriteReg(0x50,0x0000);
lld_lcdWriteReg(0x60,0x0005);
lld_lcdWriteReg(0x70,0x000B);
lld_lcdWriteReg(0x71,0x0000);
lld_lcdWriteReg(0x78,0x0000);
lld_lcdWriteReg(0x7A,0x0000);
lld_lcdWriteReg(0x79,0x0007);
lld_lcdWriteReg(0x07,0x0051);
s6d1121_delay(1);
lld_lcdWriteReg(0x07,0x0053);
lld_lcdWriteReg(0x79,0x0000);
lld_lcdResetViewPort();
/* Now initialise the GDISP structure */
GDISP.Width = SCREEN_WIDTH;
GDISP.Height = SCREEN_HEIGHT;
GDISP.Orientation = portrait;
GDISP.Powermode = powerOn;
GDISP.Backlight = 100;
GDISP.Contrast = 50;
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(drawpixel)(coord_t x, coord_t y, color_t color) {
#if GDISP_NEED_VALIDATION
if (x >= GDISP.Width || y >= GDISP.Height) return;
#endif
lld_lcdSetCursor(x, y);
lld_lcdWriteReg(0x0022, color);
}
/* ---- Optional Routines ---- */
/*
All the below routines are optional.
Defining them will increase speed but everything
will work if they are not defined.
If you are not using a routine - turn it off using
the appropriate GDISP_HARDWARE_XXXX macro.
Don't bother coding for obvious similar routines if
there is no performance penalty as the emulation software
makes a good job of using similar routines.
eg. If fillarea() 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;
lld_lcdSetCursor(0, 0);
lld_lcdWriteStreamStart();
for(i = 0; i < SCREEN_WIDTH * SCREEN_HEIGHT; i++)
lld_lcdWriteData(color);
lld_lcdWriteStreamStop();
}
#endif
#if GDISP_HARDWARE_LINES || defined(__DOXYGEN__)
/**
* @brief Draw a line.
* @note Optional - The high level driver can emulate using software.
*
* @param[in] x0, y0 The start of the line
* @param[in] x1, y1 The end of the line
* @param[in] color The color of the line
*
* @notapi
*/
void GDISP_LLD(drawline)(coord_t x0, coord_t y0, coord_t x1, coord_t y1, color_t color) {
#if GDISP_NEED_VALIDATION
/* Need to clip to screen */
#endif
/* Code here */
}
#endif
#if GDISP_HARDWARE_FILLS || defined(__DOXYGEN__)
/**
* @brief Fill an area with a color.
* @note Optional - The high level driver can emulate using software.
*
* @param[in] x, y The start filled area
* @param[in] cx, cy The width and height to be filled
* @param[in] color The color of the fill
*
* @notapi
*/
void GDISP_LLD(fillarea)(coord_t x, coord_t y, coord_t cx, coord_t cy, color_t color) {
#if GDISP_NEED_VALIDATION
if (cx < 1 || cy < 1 || x >= 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
unsigned i, area;
area = cx*cy;
lld_lcdSetViewPort(x, y, cx, cy);
lld_lcdWriteStreamStart();
for(i = 0; i < area; i++)
lld_lcdWriteData(color);
lld_lcdWriteStreamStop();
lld_lcdResetViewPort();
}
#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, const pixel_t *buffer) {
unsigned i, area;
#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;
lld_lcdSetViewPort(x, y, cx, cy);
lld_lcdWriteStreamStart();
for(i = 0; i < area; i++)
lld_lcdWriteData(*buffer++);
lld_lcdWriteStreamStop();
lld_lcdResetViewPort();
}
#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) {
#if GDISP_NEED_VALIDATION
/* Code here */
#endif
/* Code here */
}
#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) {
#if GDISP_NEED_VALIDATION
/* Code here */
#endif
/* Code here */
}
#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) {
#if GDISP_NEED_VALIDATION
/* Code here */
#endif
/* Code here */
}
#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) {
#if GDISP_NEED_VALIDATION
/* Code here */
#endif
/* Code here */
}
#endif
#if (GDISP_NEED_TEXT && GDISP_HARDWARE_TEXT) || defined(__DOXYGEN__)
#include "gdisp_fonts.h"
#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) {
#if GDISP_NEED_VALIDATION
/* Code here */
#endif
/* Code here */
}
#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) {
#if GDISP_NEED_VALIDATION
/* Code here */
#endif
/* Code here */
}
#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) {
/* This routine is marked "DO NOT USE" in the original
* GLCD driver. We just keep our GDISP_HARDWARE_READPIXEL
* turned off for now.
*/
color_t color;
#if GDISP_NEED_VALIDATION
if (x >= GDISP.Width || y >= GDISP.Height) return 0;
#endif
lld_lcdSetCursor(x, y);
lld_lcdWriteStreamStart();
color = lld_lcdReadData();
color = lld_lcdReadData();
lld_lcdWriteStreamStop();
return color;
}
#endif
#if (GDISP_NEED_SCROLL && GDISP_HARDWARE_SCROLL) || defined(__DOXYGEN__)
/**
* @brief Scroll vertically a section of the screen.
* @note Optional.
* @note If x,y + cx,cy is off the screen, the result is undefined.
* @note If lines is >= cy, it is equivelent to a area fill with bgcolor.
*
* @param[in] x, y The start of the area to be scrolled
* @param[in] cx, cy The size of the area to be scrolled
* @param[in] lines The number of lines to scroll (Can be positive or negative)
* @param[in] bgcolor The color to fill the newly exposed area.
*
* @notapi
*/
void GDISP_LLD(verticalscroll)(coord_t x, coord_t y, coord_t cx, coord_t cy, int lines, color_t bgcolor) {
/* This is marked as "TODO: Test this" in the original GLCD driver.
* For now we just leave the GDISP_HARDWARE_SCROLL off.
*/
static color_t buf[((SCREEN_HEIGHT > SCREEN_WIDTH ) ? SCREEN_HEIGHT : SCREEN_WIDTH)];
coord_t row0, row1;
unsigned i, gap, abslines;
abslines = lines < 0 ? -lines : lines;
#if GDISP_NEED_VALIDATION
if (cx < 1 || cy < 1 || x >= 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
if (!abslines) return;
if (abslines >= cy) {
abslines = cy;
gap = 0;
} else {
gap = cy - abslines;
for(i = 0; i < gap; i++) {
if(lines > 0) {
row0 = y + i + lines;
row1 = y + i;
} else {
row0 = (y - i - 1) + lines;
row1 = (y - i - 1);
}
/* read row0 into the buffer and then write at row1*/
lld_lcdSetViewPort(x, row0, cx, 1);
lld_lcdReadStreamStart();
lld_lcdReadStream(buf, cx);
lld_lcdReadStreamStop();
lld_lcdSetViewPort(x, row1, cx, 1);
lld_lcdWriteStreamStart();
lld_lcdWriteStream(buf, cx);
lld_lcdWriteStreamStop();
}
}
/* fill the remaining gap */
lld_lcdSetViewPort(x, lines > 0 ? (y+gap) : y, cx, abslines);
lld_lcdWriteStreamStart();
gap = cx*abslines;
for(i = 0; i < gap; i++) lld_lcdWriteData(color);
lld_lcdWriteStreamStop();
lld_lcdResetViewPort();
}
#endif
#if GDISP_HARDWARE_CONTROL || defined(__DOXYGEN__)
/**
* @brief Driver Control
* @detail 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:
/* 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 = (gdisp_powermode_t)value;
return;
case GDISP_CONTROL_ORIENTATION:
if (GDISP.Orientation == (gdisp_orientation_t)value)
return;
switch((gdisp_orientation_t)value) {
case portrait:
lld_lcdWriteReg(0x0001,0x0127);
lld_lcdWriteReg(0x03, 0b0011);
GDISP.Height = SCREEN_HEIGHT;
GDISP.Width = SCREEN_WIDTH;
break;
case landscape:
lld_lcdWriteReg(0x0001,0x0027);
lld_lcdWriteReg(0x0003, 0b1011);
GDISP.Height = SCREEN_WIDTH;
GDISP.Width = SCREEN_HEIGHT;
break;
case portraitInv:
lld_lcdWriteReg(0x0001,0x0127);
lld_lcdWriteReg(0x0003, 0b0000);
GDISP.Height = SCREEN_HEIGHT;
GDISP.Width = SCREEN_WIDTH;
break;
case landscapeInv:
lld_lcdWriteReg(0x0001,0x0027);
lld_lcdWriteReg(0x0003, 0b1000);
GDISP.Height = SCREEN_WIDTH;
GDISP.Width = SCREEN_HEIGHT;
break;
default:
return;
}
GDISP.Orientation = (gdisp_orientation_t)value;
return;
/*
case GDISP_CONTROL_BACKLIGHT:
case GDISP_CONTROL_CONTRAST:
*/
}
}
#endif
#if (GDISP_NEED_QUERY && GDISP_HARDWARE_QUERY) || defined(__DOXYGEN__)
/**
* @brief Query a driver value.
* @detail Typecase the result to the type you want.
* @note GDISP_QUERY_WIDTH - (coord_t) Gets the width of the screen
* GDISP_QUERY_HEIGHT - (coord_t) Gets the height of the screen
* GDISP_QUERY_POWER - (gdisp_powermode_t) Get the current powermode
* GDISP_QUERY_ORIENTATION - (gdisp_orientation_t) Get the current screen orientation
* GDISP_QUERY_BACKLIGHT - (coord_t) Get the backlight state (0 to 100)
* GDISP_QUERY_CONTRAST - (coord_t) Get the contrast (0 to 100).
* GDISP_QUERY_LLD - Low level driver control constants start at
* this value.
*
* @param[in] what What to Query
*
* @notapi
*/
void *GDISP_LLD(query)(unsigned what) {
switch(what) {
case GDISP_QUERY_WIDTH: return (void *)(unsigned)GDISP.Width;
case GDISP_QUERY_HEIGHT: return (void *)(unsigned)GDISP.Height;
case GDISP_QUERY_POWER: return (void *)(unsigned)GDISP.Powermode;
case GDISP_QUERY_ORIENTATION: return (void *)(unsigned)GDISP.Orientation;
case GDISP_QUERY_BACKLIGHT: return (void *)(unsigned)GDISP.Backlight;
case GDISP_QUERY_CONTRAST: return (void *)(unsigned)GDISP.Contrast;
case GDISP_QUERY_LLD+0:
/* Code here */
default: return (void *)-1;
}
}
#endif
#endif /* HAL_USE_GDISP */
/** @} */
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