/* ChibiOS/RT - Copyright (C) 2012 Joel Bodenmann aka Tectu 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 . */ /** * @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" #include "gdisp_fonts.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 /*===========================================================================*/ /* Driver exported variables. */ /*===========================================================================*/ #if !defined(__DOXYGEN__) GDISPDriver GDISP; #endif /*===========================================================================*/ /* Driver local variables. */ /*===========================================================================*/ /*===========================================================================*/ /* Driver local functions. */ /*===========================================================================*/ #include "s6d1121_lld.c.h" /*===========================================================================*/ /* 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) { 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; } /** * @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 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) { 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) { if (GDISP.Orientation == newOrientation) return; switch(newOrientation) { 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 = 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) { 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_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) { #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, 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__) /** * @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 #endif /* HAL_USE_GDISP */ /** @} */