569 lines
17 KiB
C
569 lines
17 KiB
C
/*
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* This file is subject to the terms of the GFX License, v1.0. 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://chibios-gfx.com/license.html
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*/
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/**
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* @file drivers/gdisp/SSD1289/gdisp_lld.c
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* @brief GDISP Graphics Driver subsystem low level driver source for the SSD1289 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 /*|| defined(__DOXYGEN__)*/
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/* Include the emulation code for things we don't support */
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#include "gdisp/lld/emulation.c"
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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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#define GDISP_INITIAL_CONTRAST 50
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#define GDISP_INITIAL_BACKLIGHT 100
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/*===========================================================================*/
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/* Driver local functions. */
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/*===========================================================================*/
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#if defined(GDISP_USE_CUSTOM_BOARD) && GDISP_USE_CUSTOM_BOARD
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/* Include the user supplied board definitions */
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#include "gdisp_lld_board.h"
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#elif defined(BOARD_FIREBULL_STM32_F103)
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#include "gdisp_lld_board_firebullstm32f103.h"
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#else
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/* Include the user supplied board definitions */
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#include "gdisp_lld_board.h"
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#endif
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// Some common routines and macros
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#define write_reg(reg, data) { write_index(reg); write_data(data); }
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#define stream_start() write_index(0x0022);
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#define stream_stop()
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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(coord_t x, coord_t y) {
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/* Reg 0x004E is an 8 bit value
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* Reg 0x004F is 9 bit
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* Use a bit mask to make sure they are not set too high
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*/
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switch(GDISP.Orientation) {
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case GDISP_ROTATE_180:
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write_reg(0x004e, (GDISP_SCREEN_WIDTH-1-x) & 0x00FF);
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write_reg(0x004f, (GDISP_SCREEN_HEIGHT-1-y) & 0x01FF);
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break;
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case GDISP_ROTATE_0:
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write_reg(0x004e, x & 0x00FF);
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write_reg(0x004f, y & 0x01FF);
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break;
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case GDISP_ROTATE_270:
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write_reg(0x004e, y & 0x00FF);
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write_reg(0x004f, x & 0x01FF);
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break;
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case GDISP_ROTATE_90:
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write_reg(0x004e, (GDISP_SCREEN_WIDTH - y - 1) & 0x00FF);
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write_reg(0x004f, (GDISP_SCREEN_HEIGHT - x - 1) & 0x01FF);
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break;
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}
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}
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static void set_viewport(coord_t x, coord_t y, coord_t cx, coord_t cy) {
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set_cursor(x, y);
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/* Reg 0x44 - Horizontal RAM address position
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* Upper Byte - HEA
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* Lower Byte - HSA
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* 0 <= HSA <= HEA <= 0xEF
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* Reg 0x45,0x46 - Vertical RAM address position
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* Lower 9 bits gives 0-511 range in each value
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* 0 <= Reg(0x45) <= Reg(0x46) <= 0x13F
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*/
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switch(GDISP.Orientation) {
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case GDISP_ROTATE_0:
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write_reg(0x44, (((x+cx-1) << 8) & 0xFF00 ) | (x & 0x00FF));
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write_reg(0x45, y & 0x01FF);
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write_reg(0x46, (y+cy-1) & 0x01FF);
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break;
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case GDISP_ROTATE_270:
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write_reg(0x44, (((x+cx-1) << 8) & 0xFF00 ) | (y & 0x00FF));
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write_reg(0x45, x & 0x01FF);
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write_reg(0x46, (x+cx-1) & 0x01FF);
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break;
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case GDISP_ROTATE_180:
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write_reg(0x44, (((GDISP_SCREEN_WIDTH-x-1) & 0x00FF) << 8) | ((GDISP_SCREEN_WIDTH - (x+cx)) & 0x00FF));
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write_reg(0x45, (GDISP_SCREEN_HEIGHT-(y+cy)) & 0x01FF);
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write_reg(0x46, (GDISP_SCREEN_HEIGHT-y-1) & 0x01FF);
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break;
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case GDISP_ROTATE_90:
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write_reg(0x44, (((GDISP_SCREEN_WIDTH - y - 1) & 0x00FF) << 8) | ((GDISP_SCREEN_WIDTH - (y+cy)) & 0x00FF));
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write_reg(0x45, (GDISP_SCREEN_HEIGHT - (x+cx)) & 0x01FF);
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write_reg(0x46, (GDISP_SCREEN_HEIGHT - x - 1) & 0x01FF);
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break;
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}
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set_cursor(x, y);
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}
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static inline void reset_viewport(void) {
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set_viewport(0, 0, GDISP.Width, GDISP.Height);
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}
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/*===========================================================================*/
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/* Driver interrupt handlers. */
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/*===========================================================================*/
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/*===========================================================================*/
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/* Driver exported functions. */
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/*===========================================================================*/
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/* ---- Required Routines ---- */
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/*
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The following 2 routines are required.
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All other routines are optional.
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*/
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/**
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* @brief Low level GDISP driver initialization.
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*
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* @notapi
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*/
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bool_t gdisp_lld_init(void) {
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/* Initialise your display */
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init_board();
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// Hardware reset
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setpin_reset(TRUE);
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delayms(20);
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setpin_reset(FALSE);
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delayms(20);
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// Get the bus for the following initialisation commands
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acquire_bus();
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write_reg(0x0000,0x0001); delay(5);
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write_reg(0x0003,0xA8A4); delay(5);
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write_reg(0x000C,0x0000); delay(5);
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write_reg(0x000D,0x080C); delay(5);
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write_reg(0x000E,0x2B00); delay(5);
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write_reg(0x001E,0x00B0); delay(5);
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write_reg(0x0001,0x2B3F); delay(5);
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write_reg(0x0002,0x0600); delay(5);
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write_reg(0x0010,0x0000); delay(5);
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write_reg(0x0011,0x6070); delay(5);
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write_reg(0x0005,0x0000); delay(5);
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write_reg(0x0006,0x0000); delay(5);
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write_reg(0x0016,0xEF1C); delay(5);
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write_reg(0x0017,0x0003); delay(5);
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write_reg(0x0007,0x0133); delay(5);
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write_reg(0x000B,0x0000); delay(5);
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write_reg(0x000F,0x0000); delay(5);
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write_reg(0x0041,0x0000); delay(5);
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write_reg(0x0042,0x0000); delay(5);
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write_reg(0x0048,0x0000); delay(5);
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write_reg(0x0049,0x013F); delay(5);
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write_reg(0x004A,0x0000); delay(5);
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write_reg(0x004B,0x0000); delay(5);
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write_reg(0x0044,0xEF00); delay(5);
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write_reg(0x0045,0x0000); delay(5);
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write_reg(0x0046,0x013F); delay(5);
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write_reg(0x0030,0x0707); delay(5);
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write_reg(0x0031,0x0204); delay(5);
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write_reg(0x0032,0x0204); delay(5);
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write_reg(0x0033,0x0502); delay(5);
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write_reg(0x0034,0x0507); delay(5);
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write_reg(0x0035,0x0204); delay(5);
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write_reg(0x0036,0x0204); delay(5);
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write_reg(0x0037,0x0502); delay(5);
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write_reg(0x003A,0x0302); delay(5);
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write_reg(0x003B,0x0302); delay(5);
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write_reg(0x0023,0x0000); delay(5);
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write_reg(0x0024,0x0000); delay(5);
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write_reg(0x0025,0x8000); delay(5);
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write_reg(0x004f,0x0000); delay(5);
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write_reg(0x004e,0x0000); delay(5);
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// Release the bus
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release_bus();
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/* Turn on the back-light */
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set_backlight(GDISP_INITIAL_BACKLIGHT);
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/* Initialise the GDISP structure */
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GDISP.Width = GDISP_SCREEN_WIDTH;
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GDISP.Height = GDISP_SCREEN_HEIGHT;
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GDISP.Orientation = GDISP_ROTATE_0;
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GDISP.Powermode = powerOn;
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GDISP.Backlight = GDISP_INITIAL_BACKLIGHT;
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GDISP.Contrast = GDISP_INITIAL_CONTRAST;
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#if GDISP_NEED_VALIDATION || GDISP_NEED_CLIP
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GDISP.clipx0 = 0;
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GDISP.clipy0 = 0;
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GDISP.clipx1 = GDISP.Width;
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GDISP.clipy1 = GDISP.Height;
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#endif
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return TRUE;
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}
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/**
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* @brief Draws a pixel on the display.
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*
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* @param[in] x X location of the pixel
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* @param[in] y Y location of the pixel
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* @param[in] color The color of the pixel
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*
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* @notapi
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*/
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void gdisp_lld_draw_pixel(coord_t x, coord_t y, color_t color) {
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#if GDISP_NEED_VALIDATION || GDISP_NEED_CLIP
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if (x < GDISP.clipx0 || y < GDISP.clipy0 || x >= GDISP.clipx1 || y >= GDISP.clipy1) return;
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#endif
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acquire_bus();
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set_cursor(x, y);
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write_reg(0x0022, color);
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release_bus();
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}
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/* ---- Optional Routines ---- */
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/*
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All the below routines are optional.
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Defining them will increase speed but everything
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will work if they are not defined.
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If you are not using a routine - turn it off using
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the appropriate GDISP_HARDWARE_XXXX macro.
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Don't bother coding for obvious similar routines if
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there is no performance penalty as the emulation software
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makes a good job of using similar routines.
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eg. If gfillarea() is defined there is little
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point in defining clear() unless the
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performance bonus is significant.
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For good performance it is suggested to implement
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fillarea() and blitarea().
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*/
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#if GDISP_HARDWARE_CLEARS || defined(__DOXYGEN__)
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/**
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* @brief Clear the display.
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* @note Optional - The high level driver can emulate using software.
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*
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* @param[in] color The color of the pixel
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*
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* @notapi
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*/
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void gdisp_lld_clear(color_t color) {
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unsigned i;
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acquire_bus();
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reset_viewport();
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set_cursor(0, 0);
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stream_start();
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for(i = 0; i < GDISP_SCREEN_WIDTH * GDISP_SCREEN_HEIGHT; i++)
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write_data(color);
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stream_stop();
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release_bus();
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}
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#endif
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#if GDISP_HARDWARE_FILLS || defined(__DOXYGEN__)
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/**
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* @brief Fill an area with a color.
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* @note Optional - The high level driver can emulate using software.
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*
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* @param[in] x, y The start filled area
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* @param[in] cx, cy The width and height to be filled
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* @param[in] color The color of the fill
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*
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* @notapi
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*/
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void gdisp_lld_fill_area(coord_t x, coord_t y, coord_t cx, coord_t cy, color_t color) {
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unsigned i, area;
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#if GDISP_NEED_VALIDATION || GDISP_NEED_CLIP
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if (x < GDISP.clipx0) { cx -= GDISP.clipx0 - x; x = GDISP.clipx0; }
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if (y < GDISP.clipy0) { cy -= GDISP.clipy0 - y; y = GDISP.clipy0; }
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if (cx <= 0 || cy <= 0 || x >= GDISP.clipx1 || y >= GDISP.clipy1) return;
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if (x+cx > GDISP.clipx1) cx = GDISP.clipx1 - x;
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if (y+cy > GDISP.clipy1) cy = GDISP.clipy1 - y;
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#endif
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area = cx*cy;
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acquire_bus();
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set_viewport(x, y, cx, cy);
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stream_start();
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for(i = 0; i < area; i++)
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write_data(color);
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stream_stop();
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release_bus();
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}
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#endif
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#if GDISP_HARDWARE_BITFILLS || defined(__DOXYGEN__)
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/**
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* @brief Fill an area with a bitmap.
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* @note Optional - The high level driver can emulate using software.
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*
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* @param[in] x, y The start filled area
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* @param[in] cx, cy The width and height to be filled
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* @param[in] srcx, srcy The bitmap position to start the fill from
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* @param[in] srccx The width of a line in the bitmap.
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* @param[in] buffer The pixels to use to fill the area.
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*
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* @notapi
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*/
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void gdisp_lld_blit_area_ex(coord_t x, coord_t y, coord_t cx, coord_t cy, coord_t srcx, coord_t srcy, coord_t srccx, const pixel_t *buffer) {
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coord_t endx, endy;
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unsigned lg;
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#if GDISP_NEED_VALIDATION || GDISP_NEED_CLIP
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if (x < GDISP.clipx0) { cx -= GDISP.clipx0 - x; srcx += GDISP.clipx0 - x; x = GDISP.clipx0; }
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if (y < GDISP.clipy0) { cy -= GDISP.clipy0 - y; srcy += GDISP.clipy0 - y; y = GDISP.clipy0; }
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if (srcx+cx > srccx) cx = srccx - srcx;
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if (cx <= 0 || cy <= 0 || x >= GDISP.clipx1 || y >= GDISP.clipy1) return;
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if (x+cx > GDISP.clipx1) cx = GDISP.clipx1 - x;
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if (y+cy > GDISP.clipy1) cy = GDISP.clipy1 - y;
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#endif
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acquire_bus();
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set_viewport(x, y, cx, cy);
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stream_start();
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endx = srcx + cx;
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endy = y + cy;
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lg = srccx - cx;
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buffer += srcx + srcy * srccx;
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for(; y < endy; y++, buffer += lg)
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for(x=srcx; x < endx; x++)
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write_data(*buffer++);
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stream_stop();
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release_bus();
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}
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#endif
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#if (GDISP_NEED_PIXELREAD && GDISP_HARDWARE_PIXELREAD) || defined(__DOXYGEN__)
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/**
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* @brief Get the color of a particular pixel.
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* @note Optional.
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* @note If x,y is off the screen, the result is undefined.
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*
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* @param[in] x, y The pixel to be read
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*
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* @notapi
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*/
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color_t gdisp_lld_get_pixel_color(coord_t x, coord_t y) {
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color_t color;
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#if GDISP_NEED_VALIDATION || GDISP_NEED_CLIP
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if (x < 0 || x >= GDISP.Width || y < 0 || y >= GDISP.Height) return 0;
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#endif
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acquire_bus();
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set_cursor(x, y);
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stream_start();
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color = read_data(); // dummy read
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color = read_data();
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stream_stop();
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release_bus();
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return color;
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}
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#endif
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#if (GDISP_NEED_SCROLL && GDISP_HARDWARE_SCROLL) || defined(__DOXYGEN__)
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/**
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* @brief Scroll vertically a section of the screen.
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* @note Optional.
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* @note If x,y + cx,cy is off the screen, the result is undefined.
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* @note If lines is >= cy, it is equivelent to a area fill with bgcolor.
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*
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* @param[in] x, y The start of the area to be scrolled
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* @param[in] cx, cy The size of the area to be scrolled
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* @param[in] lines The number of lines to scroll (Can be positive or negative)
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* @param[in] bgcolor The color to fill the newly exposed area.
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*
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* @notapi
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*/
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void gdisp_lld_vertical_scroll(coord_t x, coord_t y, coord_t cx, coord_t cy, int lines, color_t bgcolor) {
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static color_t buf[((GDISP_SCREEN_HEIGHT > GDISP_SCREEN_WIDTH ) ? GDISP_SCREEN_HEIGHT : GDISP_SCREEN_WIDTH)];
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coord_t row0, row1;
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unsigned i, gap, abslines, j;
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#if GDISP_NEED_VALIDATION || GDISP_NEED_CLIP
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if (x < GDISP.clipx0) { cx -= GDISP.clipx0 - x; x = GDISP.clipx0; }
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if (y < GDISP.clipy0) { cy -= GDISP.clipy0 - y; y = GDISP.clipy0; }
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if (!lines || cx <= 0 || cy <= 0 || x >= GDISP.clipx1 || y >= GDISP.clipy1) return;
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if (x+cx > GDISP.clipx1) cx = GDISP.clipx1 - x;
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if (y+cy > GDISP.clipy1) cy = GDISP.clipy1 - y;
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#endif
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abslines = lines < 0 ? -lines : lines;
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acquire_bus();
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if ((coord_t)abslines >= cy) {
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abslines = cy;
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gap = 0;
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} else {
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gap = cy - abslines;
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for(i = 0; i < gap; i++) {
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if(lines > 0) {
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row0 = y + i + lines;
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row1 = y + i;
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} else {
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row0 = (y - i - 1) + lines;
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row1 = (y - i - 1);
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}
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/* read row0 into the buffer and then write at row1*/
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set_viewport(x, row0, cx, 1);
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stream_start();
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j = read_data(); // dummy read
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for (j = 0; (coord_t)j < cx; j++)
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buf[j] = read_data();
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stream_stop();
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set_viewport(x, row1, cx, 1);
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stream_start();
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for (j = 0; (coord_t)j < cx; j++)
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write_data(buf[j]);
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stream_stop();
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}
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}
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/* fill the remaining gap */
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|
set_viewport(x, lines > 0 ? (y+(coord_t)gap) : y, cx, abslines);
|
|
stream_start();
|
|
gap = cx*abslines;
|
|
for(i = 0; i < gap; i++) write_data(bgcolor);
|
|
stream_stop();
|
|
release_bus();
|
|
}
|
|
#endif
|
|
|
|
#if (GDISP_NEED_CONTROL && GDISP_HARDWARE_CONTROL) || defined(__DOXYGEN__)
|
|
/**
|
|
* @brief Driver Control
|
|
* @details Unsupported control codes are ignored.
|
|
* @note The value parameter should always be typecast to (void *).
|
|
* @note There are some predefined and some specific to the low level driver.
|
|
* @note GDISP_CONTROL_POWER - Takes a gdisp_powermode_t
|
|
* GDISP_CONTROL_ORIENTATION - Takes a gdisp_orientation_t
|
|
* GDISP_CONTROL_BACKLIGHT - Takes an int from 0 to 100. For a driver
|
|
* that only supports off/on anything other
|
|
* than zero is on.
|
|
* GDISP_CONTROL_CONTRAST - Takes an int from 0 to 100.
|
|
* GDISP_CONTROL_LLD - Low level driver control constants start at
|
|
* this value.
|
|
*
|
|
* @param[in] what What to do.
|
|
* @param[in] value The value to use (always cast to a void *).
|
|
*
|
|
* @notapi
|
|
*/
|
|
void gdisp_lld_control(unsigned what, void *value) {
|
|
switch(what) {
|
|
case GDISP_CONTROL_POWER:
|
|
if (GDISP.Powermode == (gdisp_powermode_t)value)
|
|
return;
|
|
switch((gdisp_powermode_t)value) {
|
|
case powerOff:
|
|
acquire_bus();
|
|
write_reg(0x0010, 0x0000); // leave sleep mode
|
|
write_reg(0x0007, 0x0000); // halt operation
|
|
write_reg(0x0000, 0x0000); // turn off oszillator
|
|
write_reg(0x0010, 0x0001); // enter sleepmode
|
|
release_bus();
|
|
break;
|
|
case powerOn:
|
|
acquire_bus();
|
|
write_reg(0x0010, 0x0000); // leave sleep mode
|
|
release_bus();
|
|
if (GDISP.Powermode != powerSleep)
|
|
gdisp_lld_init();
|
|
break;
|
|
case powerSleep:
|
|
acquire_bus();
|
|
write_reg(0x0010, 0x0001); // enter sleep mode
|
|
release_bus();
|
|
break;
|
|
default:
|
|
return;
|
|
}
|
|
GDISP.Powermode = (gdisp_powermode_t)value;
|
|
return;
|
|
case GDISP_CONTROL_ORIENTATION:
|
|
if (GDISP.Orientation == (gdisp_orientation_t)value)
|
|
return;
|
|
switch((gdisp_orientation_t)value) {
|
|
case GDISP_ROTATE_0:
|
|
acquire_bus();
|
|
write_reg(0x0001, 0x2B3F);
|
|
/* ID = 11 AM = 0 */
|
|
write_reg(0x0011, 0x6070);
|
|
release_bus();
|
|
GDISP.Height = GDISP_SCREEN_HEIGHT;
|
|
GDISP.Width = GDISP_SCREEN_WIDTH;
|
|
break;
|
|
case GDISP_ROTATE_90:
|
|
acquire_bus();
|
|
write_reg(0x0001, 0x293F);
|
|
/* ID = 11 AM = 1 */
|
|
write_reg(0x0011, 0x6078);
|
|
release_bus();
|
|
GDISP.Height = GDISP_SCREEN_WIDTH;
|
|
GDISP.Width = GDISP_SCREEN_HEIGHT;
|
|
break;
|
|
case GDISP_ROTATE_180:
|
|
acquire_bus();
|
|
write_reg(0x0001, 0x2B3F);
|
|
/* ID = 01 AM = 0 */
|
|
write_reg(0x0011, 0x6040);
|
|
release_bus();
|
|
GDISP.Height = GDISP_SCREEN_HEIGHT;
|
|
GDISP.Width = GDISP_SCREEN_WIDTH;
|
|
break;
|
|
case GDISP_ROTATE_270:
|
|
acquire_bus();
|
|
write_reg(0x0001, 0x293F);
|
|
/* ID = 01 AM = 1 */
|
|
write_reg(0x0011, 0x6048);
|
|
release_bus();
|
|
GDISP.Height = GDISP_SCREEN_WIDTH;
|
|
GDISP.Width = GDISP_SCREEN_HEIGHT;
|
|
break;
|
|
default:
|
|
return;
|
|
}
|
|
#if GDISP_NEED_CLIP || GDISP_NEED_VALIDATION
|
|
GDISP.clipx0 = 0;
|
|
GDISP.clipy0 = 0;
|
|
GDISP.clipx1 = GDISP.Width;
|
|
GDISP.clipy1 = GDISP.Height;
|
|
#endif
|
|
GDISP.Orientation = (gdisp_orientation_t)value;
|
|
return;
|
|
/*
|
|
case GDISP_CONTROL_BACKLIGHT:
|
|
case GDISP_CONTROL_CONTRAST:
|
|
*/
|
|
}
|
|
}
|
|
#endif
|
|
|
|
#endif /* GFX_USE_GDISP */
|
|
/** @} */
|