ugfx/halext/drivers/gdispS6d1121/gdisp_lld.c

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/*
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ChibiOS/RT - Copyright (C) 2012
Joel Bodenmann aka Tectu <joel@unormal.org>
2012-08-02 20:23:03 +00:00
This file is part of ChibiOS-LCD-Driver.
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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.
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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__)
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/* 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
*/
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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;
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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
*/
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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.
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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
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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
*/
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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
*/
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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
*/
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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
*/
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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
*/
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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
*/
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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
*/
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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
*/
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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
*/
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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
*/
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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
*/
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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
*/
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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;
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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
*/
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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)
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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
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#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 */
/** @} */