328 lines
8.6 KiB
C
328 lines
8.6 KiB
C
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/*
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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.io/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) || defined(GDISP_SCREEN_HEIGHT)
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#if GFX_COMPILER_WARNING_TYPE == GFX_COMPILER_WARNING_DIRECT
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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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#elif GFX_COMPILER_WARNING_TYPE == GFX_COMPILER_WARNING_MACRO
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COMPILER_WARNING("GDISP: This low level driver does not support setting a screen size. It is being ignored.")
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#endif
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#undef GDISP_SCREEN_WIDTH
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#undef GDISP_SCREEN_HEIGHT
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#endif
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#define GDISP_DRIVER_VMT GDISPVMT_SSD1331
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#include "gdisp_lld_config.h"
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#include "../../../src/gdisp/gdisp_driver.h"
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#include "board_SSD1331.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 64
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#endif
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#ifndef GDISP_SCREEN_WIDTH
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#define GDISP_SCREEN_WIDTH 96
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#endif
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#ifndef GDISP_INITIAL_CONTRAST
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#define GDISP_INITIAL_CONTRAST 100
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#endif
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#ifndef GDISP_INITIAL_BACKLIGHT
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#define GDISP_INITIAL_BACKLIGHT 32
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#endif
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#include "SSD1331.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 write_reg(g, reg, data) { write_cmd(g, reg); write_data(g, data); }
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/*===========================================================================*/
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/* Driver exported functions. */
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/*===========================================================================*/
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static const gU8 initdata[] = {
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SSD1331_DISPLAY_OFF,
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SSD1331_START_LINE, 0x00,
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SSD1331_COM_OFFSET, 0x00,
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SSD1331_PIXELS_NORMAL,
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SSD1331_MULTIPLEX, 0x3F,
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SSD1331_RESET, SSD1331_RESET_OFF,
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SSD1331_POWER, SSD1331_POWER_ON,
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SSD1331_PHASE_PERIOD, 0x31,
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SSD1331_CLOCKS, 0xF0,
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SSD1331_PRECHARGE_A, 0x64,
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SSD1331_PRECHARGE_B, 0x78,
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SSD1331_PRECHARGE_C, 0x64,
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SSD1331_PRECHARGE_VOLTAGE, 0x3A,
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SSD1331_DESELECT_VOLTAGE, 0x3E,
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SSD1331_CONTRAST_A, 0x91,
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SSD1331_CONTRAST_B, 0x50,
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SSD1331_CONTRAST_C, 0x7D,
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SSD1331_BRIGHTNESS, (GDISP_INITIAL_BACKLIGHT*10)/63,
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#if GDISP_LLD_PIXELFORMAT == GDISP_PIXELFORMAT_RGB565
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SSD1331_MODE, SSD1331_MODE_16_BIT|SSD1331_MODE_COM_SPLIT,
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#elif GDISP_LLD_PIXELFORMAT == GDISP_PIXELFORMAT_BGR565
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SSD1331_MODE, SSD1331_MODE_16_BIT|SSD1331_MODE_COM_SPLIT|SSD1331_MODE_BGR,
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#elif GDISP_LLD_PIXELFORMAT == GDISP_PIXELFORMAT_RGB332
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SSD1331_MODE, SSD1331_MODE_8_BIT|SSD1331_MODE_COM_SPLIT,
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#elif GDISP_LLD_PIXELFORMAT == GDISP_PIXELFORMAT_BGR332
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SSD1331_MODE, SSD1331_MODE_8_BIT|SSD1331_MODE_COM_SPLIT|SSD1331_MODE_BGR,
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#else
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#error "SSD1331: Invalid color format"
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#endif
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SSD1331_DRAW_MODE, SSD1331_DRAW_FILLRECT,
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};
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LLDSPEC gBool gdisp_lld_init(GDisplay *g) {
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unsigned i;
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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, gTrue);
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gfxSleepMilliseconds(20);
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setpin_reset(g, gFalse);
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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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for(i=0;i<sizeof(initdata);i++)
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write_cmd(g, initdata[i]);
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write_cmd(g, SSD1331_DISPLAY_ON);
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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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/* 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 = gOrientation0;
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g->g.Powermode = gPowerOn;
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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 gTrue;
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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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write_cmd(g, SSD1331_COLUMN_ADDRESS);
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write_cmd(g, g->p.x);
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write_cmd(g, g->p.x + g->p.cx - 1);
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write_cmd(g, SSD1331_ROW_ADDRESS);
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write_cmd(g, g->p.y);
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write_cmd(g, g->p.y + g->p.cy - 1);
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}
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#if GDISP_LLD_PIXELFORMAT == GDISP_PIXELFORMAT_RGB565 || GDISP_LLD_PIXELFORMAT == GDISP_PIXELFORMAT_BGR565
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LLDSPEC void gdisp_lld_write_color(GDisplay *g) {
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LLDCOLOR_TYPE c;
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c = gdispColor2Native(g->p.color);
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write_data(g, c >> 8);
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write_data(g, c);
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}
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#else
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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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#endif
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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_FILLS
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LLDSPEC void gdisp_lld_fill_area(GDisplay *g) {
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gU8 a6, b6, c6;
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acquire_bus(g);
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if (g->p.color == GFX_BLACK) {
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// Use clear window command
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write_cmd(g, SSD1331_DRAW_CLEAR);
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write_cmd(g, g->p.x);
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write_cmd(g, g->p.y);
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write_cmd(g, g->p.x + g->p.cx - 1);
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write_cmd(g, g->p.y + g->p.cy - 1);
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release_bus(g);
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return;
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}
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#if GDISP_LLD_PIXELFORMAT == GDISP_PIXELFORMAT_RGB565 || GDISP_LLD_PIXELFORMAT == GDISP_PIXELFORMAT_RGB332
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c6 = RED_OF(g->p.color) >> 2;
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#if COLOR_BITS_R < 5
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if (c6 & 0x20) c6 |= (1<<(6-COLOR_BITS_R))-1;
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#endif
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b6 = GREEN_OF(g->p.color) >> 2;
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#if COLOR_BITS_G < 6
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if (b6 & 0x20) b6 |= (1<<(6-COLOR_BITS_G))-1;
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#endif
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a6 = BLUE_OF(g->p.color) >> 2;
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#if COLOR_BITS_B < 5
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if (a6 & 0x20) a6 |= (1<<(6-COLOR_BITS_B))-1;
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#endif
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#else
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c6 = BLUE_OF(g->p.color) >> 2;
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#if COLOR_BITS_B < 5
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if (c6 & 0x20) c6 |= (1<<(6-COLOR_BITS_B))-1;
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#endif
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b6 = GREEN_OF(g->p.color) >> 2;
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#if COLOR_BITS_G < 6
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if (b6 & 0x20) b6 |= (1<<(6-COLOR_BITS_G))-1;
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#endif
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a6 = RED_OF(g->p.color) >> 2;
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#if COLOR_BITS_R < 5
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if (a6 & 0x20) a6 |= (1<<(6-COLOR_BITS_R))-1;
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#endif
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#endif
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if (g->p.cx == 1 || g->p.cy == 1) {
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// Use Line command
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write_cmd(g, SSD1331_DRAW_LINE);
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write_cmd(g, g->p.x);
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write_cmd(g, g->p.y);
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write_cmd(g, g->p.x + g->p.cx - 1);
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write_cmd(g, g->p.y + g->p.cy - 1);
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} else {
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// Use Rectangle command
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write_cmd(g, SSD1331_DRAW_RECT);
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write_cmd(g, g->p.x);
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write_cmd(g, g->p.y);
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write_cmd(g, g->p.x + g->p.cx - 1);
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write_cmd(g, g->p.y + g->p.cy - 1);
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//outline
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write_cmd(g, c6);
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write_cmd(g, b6);
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write_cmd(g, a6);
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//fill
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}
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write_cmd(g, c6);
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write_cmd(g, b6);
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write_cmd(g, a6);
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release_bus(g);
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}
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#endif
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#if GDISP_NEED_SCROLL && GDISP_HARDWARE_SCROLL
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LLDSPEC void gdisp_lld_vertical_scroll(GDisplay *g) {
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acquire_bus(g);
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write_cmd(g, SSD1331_DRAW_COPY);
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write_cmd(g, g->p.x);
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write_cmd(g, g->p.y);
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write_cmd(g, g->p.x + g->p.cx - 1);
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write_cmd(g, g->p.y + g->p.cy - 1);
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write_cmd(g, g->p.x);
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write_cmd(g, g->p.y - lines);
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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 == (gPowermode)g->p.ptr)
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return;
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switch((gPowermode)g->p.ptr) {
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case gPowerOff:
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case gPowerSleep:
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case gPowerDeepSleep:
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acquire_bus(g);
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write_cmd(g, SSD1331_DISPLAY_OFF);
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release_bus(g);
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break;
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case gPowerOn:
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acquire_bus(g);
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write_cmd(g, SSD1331_DISPLAY_ON);
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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 = (gPowermode)g->p.ptr;
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return;
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/*
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case GDISP_CONTROL_ORIENTATION:
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if (g->g.Orientation == (gOrientation)g->p.ptr)
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return;
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switch((gOrientation)g->p.ptr) {
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case gOrientation0:
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acquire_bus(g);
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//TODO
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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 gOrientation90:
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acquire_bus(g);
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//TODO
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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 gOrientation180:
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acquire_bus(g);
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//TODO
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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 gOrientation270:
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acquire_bus(g);
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//TODO
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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 = (gOrientation)g->p.ptr;
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return;
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*/
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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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acquire_bus(g);
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write_cmd(g, SSD1331_BRIGHTNESS);
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write_cmd(g, ((unsigned)g->p.ptr*10)/63);
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release_bus(g);
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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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