348 lines
9.2 KiB
C
348 lines
9.2 KiB
C
/*
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* This file is subject to the terms of the GFX License. If a copy of
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* the license was not distributed with this file, you can obtain one at:
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*
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* http://ugfx.org/license.html
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*/
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#include "gfx.h"
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#if GFX_USE_GDISP
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#if defined(GDISP_SCREEN_HEIGHT)
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#warning "GDISP: This low level driver does not support setting a screen size. It is being ignored."
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#undef GISP_SCREEN_HEIGHT
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#endif
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#if defined(GDISP_SCREEN_WIDTH)
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#warning "GDISP: This low level driver does not support setting a screen size. It is being ignored."
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#undef GDISP_SCREEN_WIDTH
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#endif
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#define GDISP_DRIVER_VMT GDISPVMT_ILI9341
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#include "drivers/gdisp/ILI9341/gdisp_lld_config.h"
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#include "src/gdisp/gdisp_driver.h"
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#include "board_ILI9341.h"
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/*===========================================================================*/
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/* Driver local definitions. */
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/*===========================================================================*/
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#ifndef GDISP_SCREEN_HEIGHT
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#define GDISP_SCREEN_HEIGHT 320
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#endif
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#ifndef GDISP_SCREEN_WIDTH
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#define GDISP_SCREEN_WIDTH 240
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#endif
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#ifndef GDISP_INITIAL_CONTRAST
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#define GDISP_INITIAL_CONTRAST 50
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#endif
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#ifndef GDISP_INITIAL_BACKLIGHT
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#define GDISP_INITIAL_BACKLIGHT 100
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#endif
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#include "drivers/gdisp/ILI9341/ILI9341.h"
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/*===========================================================================*/
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/* Driver local functions. */
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/*===========================================================================*/
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// Some common routines and macros
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#define dummy_read(g) { volatile uint16_t dummy; dummy = read_data(g); (void) dummy; }
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#define write_reg(g, reg, data) { write_index(g, reg); write_data(g, data); }
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#define write_data16(g, data) { write_data(g, data >> 8); write_data(g, (uint8_t)data); }
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#define delay(us) gfxSleepMicroseconds(us)
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#define delayms(ms) gfxSleepMilliseconds(ms)
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static void set_viewport(GDisplay *g) {
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write_index(g, 0x2A);
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write_data(g, (g->p.x >> 8));
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write_data(g, (uint8_t) g->p.x);
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write_data(g, (g->p.x + g->p.cx - 1) >> 8);
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write_data(g, (uint8_t) (g->p.x + g->p.cx - 1));
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write_index(g, 0x2B);
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write_data(g, (g->p.y >> 8));
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write_data(g, (uint8_t) g->p.y);
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write_data(g, (g->p.y + g->p.cy - 1) >> 8);
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write_data(g, (uint8_t) (g->p.y + g->p.cy - 1));
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}
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/*===========================================================================*/
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/* Driver exported functions. */
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/*===========================================================================*/
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LLDSPEC bool_t gdisp_lld_init(GDisplay *g) {
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// No private area for this controller
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g->priv = 0;
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// Initialise the board interface
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init_board(g);
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// Hardware reset
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setpin_reset(g, TRUE);
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gfxSleepMilliseconds(20);
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setpin_reset(g, FALSE);
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gfxSleepMilliseconds(20);
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// Get the bus for the following initialisation commands
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acquire_bus(g);
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write_index(g, 0x01); //software reset
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gfxSleepMilliseconds(5);
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write_index(g, 0x28);
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// display off
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//---------------------------------------------------------
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// magic?
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write_index(g, 0xcf);
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write_data(g, 0x00);
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write_data(g, 0x83);
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write_data(g, 0x30);
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write_index(g, 0xed);
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write_data(g, 0x64);
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write_data(g, 0x03);
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write_data(g, 0x12);
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write_data(g, 0x81);
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write_index(g, 0xe8);
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write_data(g, 0x85);
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write_data(g, 0x01);
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write_data(g, 0x79);
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write_index(g, 0xcb);
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write_data(g, 0x39);
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write_data(g, 0x2c);
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write_data(g, 0x00);
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write_data(g, 0x34);
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write_data(g, 0x02);
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write_index(g, 0xf7);
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write_data(g, 0x20);
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write_index(g, 0xea);
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write_data(g, 0x00);
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write_data(g, 0x00);
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//------------power control------------------------------
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write_index(g, 0xc0); //power control
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write_data(g, 0x26);
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write_index(g, 0xc1); //power control
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write_data(g, 0x11);
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//--------------VCOM
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write_index(g, 0xc5); //vcom control
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write_data(g, 0x35);//35
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write_data(g, 0x3e);//3E
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write_index(g, 0xc7); //vcom control
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write_data(g, 0xbe); // 0x94
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//------------memory access control------------------------
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write_index(g, 0x36);
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// memory access control
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write_data(g, 0x48); //0048 my,mx,mv,ml,BGR,mh,0.0
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write_index(g, 0x3a); // pixel format set
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write_data(g, 0x55);//16bit /pixel
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//----------------- frame rate------------------------------
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write_index(g, 0xb1);
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// frame rate
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write_data(g, 0x00);
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write_data(g, 0x1B); //70
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//----------------Gamma---------------------------------
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write_index(g, 0xf2); // 3Gamma Function Disable
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write_data(g, 0x08);
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write_index(g, 0x26);
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write_data(g, 0x01); // gamma set 4 gamma curve 01/02/04/08
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write_index(g, 0xE0); //positive gamma correction
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write_data(g, 0x1f);
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write_data(g, 0x1a);
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write_data(g, 0x18);
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write_data(g, 0x0a);
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write_data(g, 0x0f);
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write_data(g, 0x06);
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write_data(g, 0x45);
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write_data(g, 0x87);
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write_data(g, 0x32);
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write_data(g, 0x0a);
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write_data(g, 0x07);
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write_data(g, 0x02);
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write_data(g, 0x07);
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write_data(g, 0x05);
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write_data(g, 0x00);
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write_index(g, 0xE1); //negamma correction
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write_data(g, 0x00);
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write_data(g, 0x25);
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write_data(g, 0x27);
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write_data(g, 0x05);
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write_data(g, 0x10);
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write_data(g, 0x09);
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write_data(g, 0x3a);
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write_data(g, 0x78);
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write_data(g, 0x4d);
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write_data(g, 0x05);
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write_data(g, 0x18);
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write_data(g, 0x0d);
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write_data(g, 0x38);
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write_data(g, 0x3a);
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write_data(g, 0x1f);
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//--------------ddram ---------------------
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write_index(g, 0x2a);
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// column set
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// size = 239
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write_data(g, 0x00);
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write_data(g, 0x00);
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write_data(g, 0x00);
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write_data(g, 0xEF);
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write_index(g, 0x2b);
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// page address set
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// size = 319
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write_data(g, 0x00);
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write_data(g, 0x00);
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write_data(g, 0x01);
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write_data(g, 0x3F);
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// write_index(g, 0x34);
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//write_index(g, 0x35);
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// tearing effect off
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// tearing effect on
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// write_index(g, 0xb4); // display inversion
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// write_data(g, 0x00);
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write_index(g, 0xb7); //entry mode set
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write_data(g, 0x07);
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//-----------------display---------------------
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write_index(g, 0xb6);
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// display function control
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write_data(g, 0x0a);
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write_data(g, 0x82);
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write_data(g, 0x27);
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write_data(g, 0x00);
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write_index(g, 0x11); //sleep out
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gfxSleepMilliseconds(100);
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write_index(g, 0x29); // display on
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gfxSleepMilliseconds(100);
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// Finish Init
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post_init_board(g);
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// Release the bus
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release_bus(g);
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/* Turn on the back-light */
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set_backlight(g, GDISP_INITIAL_BACKLIGHT);
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/* Initialise the GDISP structure */
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g->g.Width = GDISP_SCREEN_WIDTH;
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g->g.Height = GDISP_SCREEN_HEIGHT;
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g->g.Orientation = GDISP_ROTATE_0;
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g->g.Powermode = powerOn;
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g->g.Backlight = GDISP_INITIAL_BACKLIGHT;
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g->g.Contrast = GDISP_INITIAL_CONTRAST;
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return TRUE;
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}
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#if GDISP_HARDWARE_STREAM_WRITE
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LLDSPEC void gdisp_lld_write_start(GDisplay *g) {
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acquire_bus(g);
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set_viewport(g);
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write_index(g, 0x2C);
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}
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LLDSPEC void gdisp_lld_write_color(GDisplay *g) {
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write_data16(g, gdispColor2Native(g->p.color));
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}
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LLDSPEC void gdisp_lld_write_stop(GDisplay *g) {
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release_bus(g);
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}
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#endif
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#if GDISP_HARDWARE_STREAM_READ
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LLDSPEC void gdisp_lld_read_start(GDisplay *g) {
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acquire_bus(g);
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set_viewport(g);
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write_index(g, 0x2E);
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setreadmode(g);
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dummy_read(g);
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}
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LLDSPEC color_t gdisp_lld_read_color(GDisplay *g) {
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uint16_t data;
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data = read_data(g);
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return gdispNative2Color(data);
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}
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LLDSPEC void gdisp_lld_read_stop(GDisplay *g) {
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setwritemode(g);
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release_bus(g);
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}
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#endif
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#if GDISP_NEED_CONTROL && GDISP_HARDWARE_CONTROL
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LLDSPEC void gdisp_lld_control(GDisplay *g) {
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switch(g->p.x) {
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case GDISP_CONTROL_POWER:
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if (g->g.Powermode == (powermode_t)g->p.ptr)
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return;
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switch((powermode_t)g->p.ptr) {
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case powerOff:
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case powerSleep:
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case powerDeepSleep:
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acquire_bus(g);
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write_reg(g, 0x0010, 0x0001); /* enter sleep mode */
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release_bus(g);
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break;
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case powerOn:
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acquire_bus(g);
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write_reg(g, 0x0010, 0x0000); /* leave sleep mode */
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release_bus(g);
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break;
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default:
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return;
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}
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g->g.Powermode = (powermode_t)g->p.ptr;
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return;
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case GDISP_CONTROL_ORIENTATION:
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if (g->g.Orientation == (orientation_t)g->p.ptr)
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return;
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switch((orientation_t)g->p.ptr) {
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case GDISP_ROTATE_0:
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acquire_bus(g);
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write_reg(g, 0x36, 0x48); /* X and Y axes non-inverted */
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release_bus(g);
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g->g.Height = GDISP_SCREEN_HEIGHT;
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g->g.Width = GDISP_SCREEN_WIDTH;
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break;
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case GDISP_ROTATE_90:
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acquire_bus(g);
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write_reg(g, 0x36, 0xE8); /* Invert X and Y axes */
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release_bus(g);
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g->g.Height = GDISP_SCREEN_WIDTH;
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g->g.Width = GDISP_SCREEN_HEIGHT;
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break;
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case GDISP_ROTATE_180:
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acquire_bus(g);
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write_reg(g, 0x36, 0x88); /* X and Y axes non-inverted */
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release_bus(g);
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g->g.Height = GDISP_SCREEN_HEIGHT;
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g->g.Width = GDISP_SCREEN_WIDTH;
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break;
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case GDISP_ROTATE_270:
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acquire_bus(g);
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write_reg(g, 0x36, 0x28); /* Invert X and Y axes */
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release_bus(g);
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g->g.Height = GDISP_SCREEN_WIDTH;
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g->g.Width = GDISP_SCREEN_HEIGHT;
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break;
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default:
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return;
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}
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g->g.Orientation = (orientation_t)g->p.ptr;
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return;
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case GDISP_CONTROL_BACKLIGHT:
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if ((unsigned)g->p.ptr > 100)
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g->p.ptr = (void *)100;
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set_backlight(g, (unsigned)g->p.ptr);
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g->g.Backlight = (unsigned)g->p.ptr;
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return;
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//case GDISP_CONTROL_CONTRAST:
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default:
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return;
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}
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}
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#endif
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#endif /* GFX_USE_GDISP */
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