341 lines
9.0 KiB
C
341 lines
9.0 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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/**
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* @file drivers/gdisp/S6D1121/gdisp_lld.c
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* @brief GDISP Graphics Driver subsystem low level driver source for the S6d1121 display.
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*
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* @addtogroup GDISP
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* @{
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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_S6D1121
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#include "../drivers/gdisp/S6D1121/gdisp_lld_config.h"
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#include "gdisp/lld/gdisp_lld.h"
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#include "board_S6D1121.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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/*===========================================================================*/
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/* Driver local definitions. */
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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 delay(us) gfxSleepMicroseconds(us)
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#define delayms(ms) gfxSleepMilliseconds(ms)
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static inline void set_cursor(GDisplay *g) {
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/* R20h - 8 bit
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* R21h - 9 bit
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*/
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switch(g->g.Orientation) {
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default:
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case GDISP_ROTATE_0:
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write_reg(g, 0x20, g->p.x & 0x00FF);
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write_reg(g, 0x21, g->p.y & 0x01FF);
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break;
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case GDISP_ROTATE_90:
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write_reg(g, 0x20, g->p.y & 0x00FF);
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write_reg(g, 0x21, (GDISP_SCREEN_HEIGHT - 1 - g->p.x) & 0x01FF);
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break;
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case GDISP_ROTATE_180:
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write_reg(g, 0x20, (GDISP_SCREEN_WIDTH - 1 - g->p.x) & 0x00FF);
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write_reg(g, 0x21, (GDISP_SCREEN_HEIGHT - 1 - g->p.y) & 0x01FF);
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break;
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case GDISP_ROTATE_270:
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write_reg(g, 0x20, (GDISP_SCREEN_WIDTH - 1 - g->p.y) & 0x00FF);
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write_reg(g, 0x21, g->p.x & 0x01FF);
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break;
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}
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write_index(g, 0x22);
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}
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static inline void set_viewport(GDisplay *g) {
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/* HSA / HEA are 8 bit
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* VSA / VEA are 9 bit
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* use masks 0x00FF and 0x01FF to enforce this
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*/
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switch(g->g.Orientation) {
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default:
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case GDISP_ROTATE_0:
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write_reg(g, 0x46, (((g->p.x + g->p.cx - 1) << 8) & 0xFF00 ) | (g->p.x & 0x00FF));
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write_reg(g, 0x48, g->p.y & 0x01FF);
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write_reg(g, 0x47, (g->p.y + g->p.cy - 1) & 0x01FF);
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break;
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case GDISP_ROTATE_90:
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write_reg(g, 0x46, (((g->p.y + g->p.cy - 1) << 8) & 0xFF00) | (g->p.y & 0x00FF));
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write_reg(g, 0x48, (GDISP_SCREEN_HEIGHT - (g->p.x + g->p.cx)) & 0x01FF);
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write_reg(g, 0x47, (GDISP_SCREEN_HEIGHT-1 - g->p.x) & 0x01FF);
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break;
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case GDISP_ROTATE_180:
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write_reg(g, 0x46, (((GDISP_SCREEN_WIDTH-1 - g->p.x) & 0x00FF) << 8) |
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((GDISP_SCREEN_WIDTH - (g->p.x + g->p.cx)) & 0x00FF));
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write_reg(g, 0x48, (GDISP_SCREEN_HEIGHT - (g->p.y + g->p.cy)) & 0x01FF);
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write_reg(g, 0x47, (GDISP_SCREEN_HEIGHT-1 - g->p.y) & 0x01FF);
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break;
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case GDISP_ROTATE_270:
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write_reg(g, 0x46, (((GDISP_SCREEN_WIDTH-1 - g->p.y) & 0x00FF) << 8) |
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((GDISP_SCREEN_WIDTH - (g->p.y + g->p.cy)) & 0x00FF));
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write_reg(g, 0x48, g->p.x & 0x01FF);
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write_reg(g, 0x47, (g->p.x + g->p.cx - 1) & 0x01FF);
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break;
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}
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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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delayms(20);
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setpin_reset(g, TRUE);
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delayms(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_reg(g, 0x11, 0x2004);
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write_reg(g, 0x13, 0xCC00);
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write_reg(g, 0x15, 0x2600);
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write_reg(g, 0x14, 0x252A);
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write_reg(g, 0x12, 0x0033);
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write_reg(g, 0x13, 0xCC04);
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delayms(1);
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write_reg(g, 0x13, 0xCC06);
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delayms(1);
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write_reg(g, 0x13, 0xCC4F);
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delayms(1);
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write_reg(g, 0x13, 0x674F);
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write_reg(g, 0x11, 0x2003);
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delayms(1);
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// Gamma Setting
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write_reg(g, 0x30, 0x2609);
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write_reg(g, 0x31, 0x242C);
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write_reg(g, 0x32, 0x1F23);
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write_reg(g, 0x33, 0x2425);
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write_reg(g, 0x34, 0x2226);
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write_reg(g, 0x35, 0x2523);
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write_reg(g, 0x36, 0x1C1A);
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write_reg(g, 0x37, 0x131D);
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write_reg(g, 0x38, 0x0B11);
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write_reg(g, 0x39, 0x1210);
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write_reg(g, 0x3A, 0x1315);
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write_reg(g, 0x3B, 0x3619);
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write_reg(g, 0x3C, 0x0D00);
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write_reg(g, 0x3D, 0x000D);
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write_reg(g, 0x16, 0x0007);
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write_reg(g, 0x02, 0x0013);
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write_reg(g, 0x03, 0x0003);
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write_reg(g, 0x01, 0x0127);
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delayms(1);
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write_reg(g, 0x08, 0x0303);
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write_reg(g, 0x0A, 0x000B);
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write_reg(g, 0x0B, 0x0003);
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write_reg(g, 0x0C, 0x0000);
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write_reg(g, 0x41, 0x0000);
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write_reg(g, 0x50, 0x0000);
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write_reg(g, 0x60, 0x0005);
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write_reg(g, 0x70, 0x000B);
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write_reg(g, 0x71, 0x0000);
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write_reg(g, 0x78, 0x0000);
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write_reg(g, 0x7A, 0x0000);
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write_reg(g, 0x79, 0x0007);
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write_reg(g, 0x07, 0x0051);
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delayms(1);
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write_reg(g, 0x07,0x0053);
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write_reg(g, 0x79,0x0000);
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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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}
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LLDSPEC void gdisp_lld_write_color(GDisplay *g) {
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write_data(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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LLDSPEC void gdisp_lld_write_pos(GDisplay *g) {
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set_cursor(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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set_cursor(g);
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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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#if 0
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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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acquire_bus(g);
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// TODO
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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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// TODO
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release_bus(g);
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break;
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case powerSleep:
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acquire_bus(g);
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// TODO
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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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#endif
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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, 0x03, 0b0011);
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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, 0x03, 0b1001);
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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, 0x03, 0b0000);
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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, 0x03, 0b1010);
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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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/** @} */
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