SSD1331 OLED display controller driver - accelerated including scroll support.
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inmarket
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5 changed files with 493 additions and 0 deletions
89
drivers/gdisp/SSD1331/SSD1331.h
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89
drivers/gdisp/SSD1331/SSD1331.h
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#ifndef SSD1331_H
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#define SSD1331_H
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#define SSD1331_COLUMN_ADDRESS 0x15 // 2 data: startx endx
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#define SSD1331_ROW_ADDRESS 0x75 // 2 data: starty endy
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#define SSD1331_CONTRAST_A 0x81 // 1 data: 0 - 255 default=128
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#define SSD1331_CONTRAST_B 0x82 // 1 data: 0 - 255 default=128
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#define SSD1331_CONTRAST_C 0x83 // 1 data: 0 - 255 default=128
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#define SSD1331_BRIGHTNESS 0x87 // 1 data: 0 - 15 default=15
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#define SSD1331_PRECHARGE_A 0x8A // 1 data: 0 - 255 default=128
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#define SSD1331_PRECHARGE_B 0x8B // 1 data: 0 - 255 default=128
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#define SSD1331_PRECHARGE_C 0x8C // 1 data: 0 - 255 default=128
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#define SSD1331_MODE 0xA0 // 1 data:- default=0x40
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#define SSD1331_MODE_VINC 0x01
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#define SSD1331_MODE_COLUMN_REVERSE 0x02
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#define SSD1331_MODE_BGR 0x04 // if 1 then A=Blue,B=Green,C=Red
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#define SSD1331_MODE_COM_SWAPLR 0x08
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#define SSD1331_MODE_COM_REVERSE 0x10
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#define SSD1331_MODE_COM_SPLIT 0x20
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#define SSD1331_MODE_8_BIT 0x00
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#define SSD1331_MODE_16_BIT 0x40
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#define SSD1331_MODE_16_BIT2 0x80
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#define SSD1331_START_LINE 0xA1 // 1 data: liney default=0
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#define SSD1331_COM_OFFSET 0xA2 // 1 data: liney default=0
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#define SSD1331_PIXELS_NORMAL 0xA4 // 0 data - default
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#define SSD1331_PIXELS_FILL 0xA5 // 0 data
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#define SSD1331_PIXELS_OFF 0xA6 // 0 data
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#define SSD1331_DISPLAY_INVERSE 0xA7 // 0 data
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#define SSD1331_MULTIPLEX 0xA8 // 1 data: 15-63 default=63
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#define SSD1331_DIM 0xAB // 5 data:
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// 0x00 - Reserved
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// ContrastA 0 - 255 default=0?
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// ContrastB 0 - 255 default=0?
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// ContrastC 0 - 255 default=0?
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// Precharge 0 - 31 default=0?
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#define SSD1331_RESET 0xAD // 1 data:
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#define SSD1331_RESET_ON 0x8F // Reset - default
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#define SSD1331_RESET_OFF 0x8E // Normal
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#define SSD1331_DISPLAY_OFF 0xAE // 0 data - default
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#define SSD1331_DISPLAY_DIM 0xAC // 0 data
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#define SSD1331_DISPLAY_ON 0xAF // 0 data
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#define SSD1331_POWER 0xB0 // 1 data:
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#define SSD1331_POWER_ON 0x0B // Normal Operation
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#define SSD1331_POWER_OFF 0x1A // Power Save - default
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#define SSD1331_PHASE_PERIOD 0xB1 // 1 data: Phase 1 bit0-3 1-15, Phase 2 bit4-7 1-15 default=0x74
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#define SSD1331_CLOCKS 0xB3 // 1 data: Divide bit0-3 + 1, Freq bits4-7 default=0xD0
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#define SSD1331_GRAYSCALE 0xB8 // 32 data: each 1-125 default=1,5,9...121,125
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#define SSD1331_GRAYSCALE_LINEAR 0xB9 // 0 data
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#define SSD1331_PRECHARGE_VOLTAGE 0xBB // 1 data: 0 - 62 (even only) default=62
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#define SSD1331_NOP 0xBC // 0 data
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#define SSD1331_NOP1 0xBD // 0 data
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#define SSD1331_NOP2 0xE3 // 0 data
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#define SSD1331_DESELECT_VOLTAGE 0xBE // 1 data: 0 - 62 (even only) default=62
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#define SSD1331_LOCK 0xFD // 1 data:
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#define SSD1331_LOCK_ON 0x16 // Lock MCU
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#define SSD1331_LOCK_OFF 0x12 // Unlock MCU - default
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#define SSD1331_DRAW_LINE 0x21 // 7 data:
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// startx, starty,
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// endx, endy,
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// C, B, A - 6 bits each
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#define SSD1331_DRAW_RECT 0x22 // 10 data:
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// startx, starty,
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// endx, endy,
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// C, B, A - line color 6 bits each
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// C, B, A - fill color 6 bits each
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#define SSD1331_DRAW_COPY 0x23 // 6 data:
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// startx, starty,
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// endx, endy,
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// newx, newy
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#define SSD1331_DIM_AREA 0x24 // 4 data:
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// startx, starty,
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// endx, endy
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#define SSD1331_DRAW_CLEAR 0x25 // 4 data:
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// startx, starty,
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// endx, endy
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#define SSD1331_DRAW_MODE 0x26 // 1 data:
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#define SSD1331_DRAW_FILLRECT 0x01 // Fill Rectangle Draws
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#define SSD1331_COPY_REVERSE 0x10 // Reverse colors when copying
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#define SSD1331_SCROLL 0x27 // 5 data:
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// 0 - 95 columns horizontal scroll
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// starty
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// cy
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// 0 - 63 rows vertical scroll
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// time 0 = 6 frames, 1 = 10 frames, 2 = 100 frames, 3 = 200 frames
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#define SSD1331_SCROLL_STOP 0x2E // 0 data
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#define SSD1331_SCROLL_START 0x2F // 0 data
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#endif // SSD1331_H
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42
drivers/gdisp/SSD1331/board_SSD1331_template.h
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drivers/gdisp/SSD1331/board_SSD1331_template.h
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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.org/license.html
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*/
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#ifndef _GDISP_LLD_BOARD_H
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#define _GDISP_LLD_BOARD_H
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static inline void init_board(GDisplay *g) {
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(void) g;
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}
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static inline void post_init_board(GDisplay *g) {
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(void) g;
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}
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static inline void setpin_reset(GDisplay *g, bool_t state) {
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(void) g;
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(void) state;
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}
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static inline void acquire_bus(GDisplay *g) {
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(void) g;
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}
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static inline void release_bus(GDisplay *g) {
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(void) g;
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}
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static inline void write_cmd(GDisplay *g, uint8_t index) {
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(void) g;
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(void) index;
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}
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static inline void write_data(GDisplay *g, uint8_t data) {
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(void) g;
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(void) data;
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}
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#endif /* _GDISP_LLD_BOARD_H */
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2
drivers/gdisp/SSD1331/driver.mk
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2
drivers/gdisp/SSD1331/driver.mk
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GFXINC += $(GFXLIB)/drivers/gdisp/SSD1331
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GFXSRC += $(GFXLIB)/drivers/gdisp/SSD1331/gdisp_lld_SSD1331.c
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329
drivers/gdisp/SSD1331/gdisp_lld_SSD1331.c
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drivers/gdisp/SSD1331/gdisp_lld_SSD1331.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.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_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 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 bool_t gdisp_lld_init(GDisplay *g) {
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int 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, 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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for(i=0;i<sizeof(initdata);i++)
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write_cmd(g, initdata[i]);
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gfxSleepMilliseconds(2);
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write_cmd(g, SSD1331_DISPLAY_ON);
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release_bus(g);
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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 = 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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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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uint8_t a6, b6, c6;
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acquire_bus(g);
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if (g->p.color == 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_RGB322
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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 == (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_cmd(g, SSD1331_DISPLAY_OFF);
|
||||
release_bus(g);
|
||||
break;
|
||||
case powerOn:
|
||||
acquire_bus(g);
|
||||
write_cmd(g, SSD1331_DISPLAY_ON);
|
||||
release_bus(g);
|
||||
break;
|
||||
default:
|
||||
return;
|
||||
}
|
||||
g->g.Powermode = (powermode_t)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);
|
||||
//TODO
|
||||
release_bus(g);
|
||||
g->g.Height = GDISP_SCREEN_HEIGHT;
|
||||
g->g.Width = GDISP_SCREEN_WIDTH;
|
||||
break;
|
||||
case GDISP_ROTATE_90:
|
||||
acquire_bus(g);
|
||||
//TODO
|
||||
release_bus(g);
|
||||
g->g.Height = GDISP_SCREEN_WIDTH;
|
||||
g->g.Width = GDISP_SCREEN_HEIGHT;
|
||||
break;
|
||||
case GDISP_ROTATE_180:
|
||||
acquire_bus(g);
|
||||
//TODO
|
||||
release_bus(g);
|
||||
g->g.Height = GDISP_SCREEN_HEIGHT;
|
||||
g->g.Width = GDISP_SCREEN_WIDTH;
|
||||
break;
|
||||
case GDISP_ROTATE_270:
|
||||
acquire_bus(g);
|
||||
//TODO
|
||||
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;
|
||||
acquire_bus(g);
|
||||
write_cmd(g, SSD1331_BRIGHTNESS);
|
||||
write_cmd(g, ((unsigned)g->p.ptr*10)/63);
|
||||
release_bus(g);
|
||||
g->g.Backlight = (unsigned)g->p.ptr;
|
||||
return;
|
||||
|
||||
//case GDISP_CONTROL_CONTRAST:
|
||||
default:
|
||||
return;
|
||||
}
|
||||
}
|
||||
#endif
|
||||
|
||||
#endif /* GFX_USE_GDISP */
|
||||
31
drivers/gdisp/SSD1331/gdisp_lld_config.h
Normal file
31
drivers/gdisp/SSD1331/gdisp_lld_config.h
Normal file
|
|
@ -0,0 +1,31 @@
|
|||
/*
|
||||
* 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
|
||||
*/
|
||||
|
||||
#ifndef _GDISP_LLD_CONFIG_H
|
||||
#define _GDISP_LLD_CONFIG_H
|
||||
|
||||
#if GFX_USE_GDISP
|
||||
|
||||
/*===========================================================================*/
|
||||
/* Driver hardware support. */
|
||||
/*===========================================================================*/
|
||||
|
||||
// This controller supports some optimized drawing routines - but no read (at least with SPI interfacing)
|
||||
#define GDISP_HARDWARE_STREAM_WRITE TRUE
|
||||
#define GDISP_HARDWARE_FILLS TRUE
|
||||
#define GDISP_HARDWARE_SCROLL TRUE
|
||||
#define GDISP_HARDWARE_CONTROL TRUE
|
||||
|
||||
// This driver supports 4 pixel formats - pick the one you want.
|
||||
//#define GDISP_LLD_PIXELFORMAT GDISP_PIXELFORMAT_RGB565
|
||||
#define GDISP_LLD_PIXELFORMAT GDISP_PIXELFORMAT_BGR565
|
||||
//#define GDISP_LLD_PIXELFORMAT GDISP_PIXELFORMAT_RGB332
|
||||
//#define GDISP_LLD_PIXELFORMAT GDISP_PIXELFORMAT_BGR332
|
||||
|
||||
#endif /* GFX_USE_GDISP */
|
||||
|
||||
#endif /* _GDISP_LLD_CONFIG_H */
|
||||
Loading…
Add table
Reference in a new issue