/* ChibiOS/RT - Copyright (C) 2012 Joel Bodenmann aka Tectu This file is part of ChibiOS/GFX. ChibiOS/GFX 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/GFX 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" #if HAL_USE_GDISP || defined(__DOXYGEN__) /* Include the emulation code for things we don't support */ #include "gdisp_emulation.c" #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; #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(drawpixel)(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 lld_lcdSetCursor(x, y); lld_lcdWriteReg(0x0022, color); } /* ---- Optional Routines ---- */ #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_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, 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; 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] 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(blitareaex)(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) { coord_t endx, endy; unsigned lg; #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 lld_lcdSetViewPort(x, y, cx, cy); lld_lcdWriteStreamStart(); endx = srcx + cx; endy = y + cy; lg = srccx - cx; buffer += srcx + srcy * srccx; for(; y < endy; y++, buffer += lg) for(x=srcx; x < endx; x++) lld_lcdWriteData(*buffer++); lld_lcdWriteStreamStop(); lld_lcdResetViewPort(); } #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 || GDISP_NEED_CLIP if (x < 0 || x >= GDISP.Width || y < 0 || 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; #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; 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(bgcolor); 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; } #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: case GDISP_CONTROL_CONTRAST: */ } } #endif #endif /* HAL_USE_GDISP */ /** @} */