/* * This file is subject to the terms of the GFX License. If a copy of * the license was not distributed with this file, you can obtain one at: * * http://ugfx.org/license.html */ #include "gfx.h" #if GFX_USE_GDISP #define GDISP_DRIVER_VMT GDISPVMT_SSD1289 #include "gdisp_lld_config.h" #include "../../../src/gdisp/gdisp_driver.h" #include "board_SSD1289.h" /*===========================================================================*/ /* Driver local definitions. */ /*===========================================================================*/ #ifndef GDISP_SCREEN_HEIGHT #define GDISP_SCREEN_HEIGHT 320 #endif #ifndef GDISP_SCREEN_WIDTH #define GDISP_SCREEN_WIDTH 240 #endif #ifndef GDISP_INITIAL_CONTRAST #define GDISP_INITIAL_CONTRAST 50 #endif #ifndef GDISP_INITIAL_BACKLIGHT #define GDISP_INITIAL_BACKLIGHT 100 #endif #ifndef GDISP_USE_DMA #define GDISP_USE_DMA GFXOFF #endif #ifndef GDISP_NO_DMA_FROM_STACK #define GDISP_NO_DMA_FROM_STACK GFXOFF #endif /*===========================================================================*/ /* Driver local functions. */ /*===========================================================================*/ // Some common routines and macros #define dummy_read(g) { volatile uint16_t dummy; dummy = read_data(g); (void) dummy; } #define write_reg(g, reg, data) { write_index(g, reg); write_data(g, data); } static void set_cursor(GDisplay *g) { /* * Reg 0x004E is an 8 bit value - start x position * Reg 0x004F is 9 bit - start y position * Use a bit mask to make sure they are not set too high */ switch(g->g.Orientation) { default: case GDISP_ROTATE_0: write_reg(g, 0x4e, g->p.x & 0x00FF); write_reg(g, 0x4f, g->p.y & 0x01FF); break; case GDISP_ROTATE_90: write_reg(g, 0x4e, g->p.y & 0x00FF); write_reg(g, 0x4f, (GDISP_SCREEN_HEIGHT-1-g->p.x) & 0x01FF); break; case GDISP_ROTATE_180: write_reg(g, 0x4e, (GDISP_SCREEN_WIDTH-1-g->p.x) & 0x00FF); write_reg(g, 0x4f, (GDISP_SCREEN_HEIGHT-1-g->p.y) & 0x01FF); break; case GDISP_ROTATE_270: write_reg(g, 0x4e, (GDISP_SCREEN_WIDTH-1-g->p.y) & 0x00FF); write_reg(g, 0x4f, g->p.x & 0x01FF); break; } write_index(g, 0x22); } static void set_viewport(GDisplay* g) { /* Reg 0x44 - Horizontal RAM address position * Upper Byte - HEA * Lower Byte - HSA * 0 <= HSA <= HEA <= 0xEF * Reg 0x45,0x46 - Vertical RAM address position * Lower 9 bits gives 0-511 range in each value * 0 <= Reg(0x45) <= Reg(0x46) <= 0x13F * Use a bit mask to make sure they are not set too high */ switch(g->g.Orientation) { default: case GDISP_ROTATE_0: write_reg(g, 0x44, (((g->p.x+g->p.cx-1) << 8) & 0xFF00 ) | (g->p.x & 0x00FF)); write_reg(g, 0x45, g->p.y & 0x01FF); write_reg(g, 0x46, (g->p.y+g->p.cy-1) & 0x01FF); break; case GDISP_ROTATE_90: write_reg(g, 0x44, (((g->p.y+g->p.cy-1) << 8) & 0xFF00 ) | (g->p.y & 0x00FF)); write_reg(g, 0x45, (GDISP_SCREEN_HEIGHT-(g->p.x+g->p.cx)) & 0x01FF); write_reg(g, 0x46, (GDISP_SCREEN_HEIGHT-1-g->p.x) & 0x01FF); break; case GDISP_ROTATE_180: write_reg(g, 0x44, (((GDISP_SCREEN_WIDTH-1-g->p.x) & 0x00FF) << 8) | ((GDISP_SCREEN_WIDTH - (g->p.x+g->p.cx)) & 0x00FF)); write_reg(g, 0x45, (GDISP_SCREEN_HEIGHT-(g->p.y+g->p.cy)) & 0x01FF); write_reg(g, 0x46, (GDISP_SCREEN_HEIGHT-1-g->p.y) & 0x01FF); break; case GDISP_ROTATE_270: write_reg(g, 0x44, (((GDISP_SCREEN_WIDTH-1-g->p.y) & 0x00FF) << 8) | ((GDISP_SCREEN_WIDTH-(g->p.y+g->p.cy)) & 0x00FF)); write_reg(g, 0x45, g->p.x & 0x01FF); write_reg(g, 0x46, (g->p.x+g->p.cx-1) & 0x01FF); break; } } /*===========================================================================*/ /* Driver interrupt handlers. */ /*===========================================================================*/ /*===========================================================================*/ /* Driver exported functions. */ /*===========================================================================*/ LLDSPEC gBool gdisp_lld_init(GDisplay *g) { // No private area for this controller g->priv = 0; // Initialise the board interface init_board(g); // Hardware reset setpin_reset(g, gTrue); gfxSleepMilliseconds(20); setpin_reset(g, gFalse); gfxSleepMilliseconds(20); // Get the bus for the following initialisation commands acquire_bus(g); write_reg(g, 0x00, 0x0001); gfxSleepMicroseconds(5); write_reg(g, 0x03, 0xA8A4); gfxSleepMicroseconds(5); write_reg(g, 0x0C, 0x0000); gfxSleepMicroseconds(5); write_reg(g, 0x0D, 0x080C); gfxSleepMicroseconds(5); write_reg(g, 0x0E, 0x2B00); gfxSleepMicroseconds(5); write_reg(g, 0x1E, 0x00B0); gfxSleepMicroseconds(5); write_reg(g, 0x01, 0x2B3F); gfxSleepMicroseconds(5); write_reg(g, 0x02, 0x0600); gfxSleepMicroseconds(5); write_reg(g, 0x10, 0x0000); gfxSleepMicroseconds(5); write_reg(g, 0x11, 0x6070); gfxSleepMicroseconds(5); write_reg(g, 0x05, 0x0000); gfxSleepMicroseconds(5); write_reg(g, 0x06, 0x0000); gfxSleepMicroseconds(5); write_reg(g, 0x16, 0xEF1C); gfxSleepMicroseconds(5); write_reg(g, 0x17, 0x0003); gfxSleepMicroseconds(5); write_reg(g, 0x07, 0x0133); gfxSleepMicroseconds(5); write_reg(g, 0x0B, 0x0000); gfxSleepMicroseconds(5); write_reg(g, 0x0F, 0x0000); gfxSleepMicroseconds(5); write_reg(g, 0x41, 0x0000); gfxSleepMicroseconds(5); write_reg(g, 0x42, 0x0000); gfxSleepMicroseconds(5); write_reg(g, 0x48, 0x0000); gfxSleepMicroseconds(5); write_reg(g, 0x49, 0x013F); gfxSleepMicroseconds(5); write_reg(g, 0x4A, 0x0000); gfxSleepMicroseconds(5); write_reg(g, 0x4B, 0x0000); gfxSleepMicroseconds(5); write_reg(g, 0x44, 0xEF00); gfxSleepMicroseconds(5); write_reg(g, 0x45, 0x0000); gfxSleepMicroseconds(5); write_reg(g, 0x46, 0x013F); gfxSleepMicroseconds(5); write_reg(g, 0x30, 0x0707); gfxSleepMicroseconds(5); write_reg(g, 0x31, 0x0204); gfxSleepMicroseconds(5); write_reg(g, 0x32, 0x0204); gfxSleepMicroseconds(5); write_reg(g, 0x33, 0x0502); gfxSleepMicroseconds(5); write_reg(g, 0x34, 0x0507); gfxSleepMicroseconds(5); write_reg(g, 0x35, 0x0204); gfxSleepMicroseconds(5); write_reg(g, 0x36, 0x0204); gfxSleepMicroseconds(5); write_reg(g, 0x37, 0x0502); gfxSleepMicroseconds(5); write_reg(g, 0x3A, 0x0302); gfxSleepMicroseconds(5); write_reg(g, 0x3B, 0x0302); gfxSleepMicroseconds(5); write_reg(g, 0x23, 0x0000); gfxSleepMicroseconds(5); write_reg(g, 0x24, 0x0000); gfxSleepMicroseconds(5); write_reg(g, 0x25, 0x8000); gfxSleepMicroseconds(5); write_reg(g, 0x4f, 0x0000); gfxSleepMicroseconds(5); write_reg(g, 0x4e, 0x0000); gfxSleepMicroseconds(5); // Finish Init post_init_board(g); // Release the bus release_bus(g); /* Turn on the back-light */ set_backlight(g, GDISP_INITIAL_BACKLIGHT); /* Initialise the GDISP structure */ g->g.Width = GDISP_SCREEN_WIDTH; g->g.Height = GDISP_SCREEN_HEIGHT; g->g.Orientation = GDISP_ROTATE_0; g->g.Powermode = gPowerOn; g->g.Backlight = GDISP_INITIAL_BACKLIGHT; g->g.Contrast = GDISP_INITIAL_CONTRAST; return gTrue; } #if GDISP_HARDWARE_STREAM_WRITE LLDSPEC void gdisp_lld_write_start(GDisplay *g) { acquire_bus(g); set_viewport(g); #if !GDISP_HARDWARE_STREAM_POS set_cursor(g); #endif } LLDSPEC void gdisp_lld_write_color(GDisplay *g) { write_data(g, gdispColor2Native(g->p.color)); } LLDSPEC void gdisp_lld_write_stop(GDisplay *g) { release_bus(g); } #if GDISP_HARDWARE_STREAM_POS LLDSPEC void gdisp_lld_write_pos(GDisplay *g) { set_cursor(g); } #endif #endif #if GDISP_HARDWARE_STREAM_READ LLDSPEC void gdisp_lld_read_start(GDisplay *g) { acquire_bus(g); set_viewport(g); set_cursor(g); setreadmode(g); dummy_read(g); } LLDSPEC gColor gdisp_lld_read_color(GDisplay *g) { uint16_t data; data = read_data(g); return gdispNative2Color(data); } LLDSPEC void gdisp_lld_read_stop(GDisplay *g) { setwritemode(g); release_bus(g); } #endif #if GDISP_HARDWARE_FILLS && GDISP_USE_DMA LLDSPEC void gdisp_lld_fill_area(GDisplay *g) { #if GDISP_NO_DMA_FROM_STACK static LLDCOLOR_TYPE c; #else LLDCOLOR_TYPE c; #endif c = gdispColor2Native(g->p.color); acquire_bus(g); set_viewport(g); set_cursor(g); dma_with_noinc(g, &c, g->p.cx*g->p.cy); release_bus(g); } #endif #if GDISP_HARDWARE_BITFILLS && GDISP_USE_DMA #if GDISP_PIXELFORMAT != GDISP_LLD_PIXELFORMAT #error "GDISP: SSD1289: BitBlit is only available in RGB565 pixel format" #endif LLDSPEC void gdisp_lld_blit_area(GDisplay *g) { gPixel *buffer; gCoord ycnt; buffer = (gPixel *)g->p.ptr + g->p.x1 + g->p.y1 * g->p.x2; acquire_bus(g); set_viewport(g); set_cursor(g); if (g->p.x2 == g->p.cx) { dma_with_inc(g, buffer, g->p.cx*g->p.cy); } else { for (ycnt = g->p.cy; ycnt; ycnt--, buffer += g->p.x2) dma_with_inc(g, buffer, g->p.cy); } release_bus(g); } #endif #if GDISP_NEED_CONTROL && GDISP_HARDWARE_CONTROL LLDSPEC void gdisp_lld_control(GDisplay *g) { switch(g->p.x) { case GDISP_CONTROL_POWER: if (g->g.Powermode == (gPowermode)g->p.ptr) return; switch((gPowermode)g->p.ptr) { case gPowerOff: acquire_bus(g); write_reg(g, 0x10, 0x0000); // leave sleep mode write_reg(g, 0x07, 0x0000); // halt operation write_reg(g, 0x00, 0x0000); // turn off oscillator write_reg(g, 0x10, 0x0001); // enter sleep mode release_bus(g); break; case gPowerOn: acquire_bus(g); write_reg(g, 0x10, 0x0000); // leave sleep mode write_reg(g, 0x00, 0x0001); // turn on oscillator gfxSleepMicroseconds(5); release_bus(g); break; case gPowerSleep: acquire_bus(g); write_reg(g, 0x10, 0x0001); // enter sleep mode release_bus(g); break; default: return; } g->g.Powermode = (gPowermode)g->p.ptr; return; case GDISP_CONTROL_ORIENTATION: if (g->g.Orientation == (orientation_t)g->p.ptr) return; switch((orientation_t)g->p.ptr) { case GDISP_ROTATE_0: acquire_bus(g); /* ID = 11 AM = 0 */ write_reg(g, 0x11, 0x6070); release_bus(g); g->g.Height = GDISP_SCREEN_HEIGHT; g->g.Width = GDISP_SCREEN_WIDTH; break; case GDISP_ROTATE_90: acquire_bus(g); /* ID = 01 AM = 1 */ write_reg(g, 0x11, 0x6058); release_bus(g); g->g.Height = GDISP_SCREEN_WIDTH; g->g.Width = GDISP_SCREEN_HEIGHT; break; case GDISP_ROTATE_180: acquire_bus(g); /* ID = 00 AM = 0 */ write_reg(g, 0x11, 0x6040); release_bus(g); g->g.Height = GDISP_SCREEN_HEIGHT; g->g.Width = GDISP_SCREEN_WIDTH; break; case GDISP_ROTATE_270: acquire_bus(g); /* ID = 10 AM = 1 */ write_reg(g, 0x11, 0x6068); release_bus(g); g->g.Height = GDISP_SCREEN_WIDTH; g->g.Width = GDISP_SCREEN_HEIGHT; break; default: return; } g->g.Orientation = (orientation_t)g->p.ptr; return; case GDISP_CONTROL_BACKLIGHT: if ((unsigned)g->p.ptr > 100) g->p.ptr = (void *)100; set_backlight(g, (unsigned)g->p.ptr); g->g.Backlight = (unsigned)g->p.ptr; return; //case GDISP_CONTROL_CONTRAST: default: return; } } #endif #endif /* GFX_USE_GDISP */