245 lines
7.5 KiB
C
245 lines
7.5 KiB
C
/*
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* This file is subject to the terms of the GFX License. If a copy of
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* the license was not distributed with this file, you can obtain one at:
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*
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* http://ugfx.org/license.html
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*/
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/**
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* @file drivers/gdisp/Nokia6610GE12/gdisp_lld.c
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* @brief GDISP Graphics Driver subsystem low level driver source for the Nokia6610 GE12 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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#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 GDISP_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_LLD_DECLARATIONS
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#include "gdisp/lld/gdisp_lld.h"
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#include "gdisp_lld_board.h"
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/*===========================================================================*/
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/* Driver local definitions. */
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/*===========================================================================*/
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#include "GE12.h"
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#define GDISP_SCAN_LINES 132
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#define GDISP_SLEEP_SIZE 32 /* Sleep mode window lines - this must be 32 on this controller */
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// Set parameters if they are not already set
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#ifndef GDISP_SCREEN_HEIGHT
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#define GDISP_SCREEN_HEIGHT 130
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#endif
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#ifndef GDISP_SCREEN_WIDTH
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#define GDISP_SCREEN_WIDTH 130
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#endif
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#ifndef GDISP_RAM_X_OFFSET
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#define GDISP_RAM_X_OFFSET 0 /* Offset in RAM of visible area */
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#endif
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#ifndef GDISP_RAM_Y_OFFSET
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#define GDISP_RAM_Y_OFFSET 2 /* Offset in RAM of visible area */
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#endif
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#ifndef GDISP_SLEEP_POS
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#define GDISP_SLEEP_POS ((GDISP_SCAN_LINES-GDISP_SLEEP_SIZE)/2 & ~3)
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#endif
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#ifndef GDISP_INITIAL_CONTRAST
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#define GDISP_INITIAL_CONTRAST 50
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#endif
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#ifndef GDISP_INITIAL_BACKLIGHT
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#define GDISP_INITIAL_BACKLIGHT 100
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#endif
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/*===========================================================================*/
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/* Driver exported variables. */
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/*===========================================================================*/
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/*===========================================================================*/
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/* Driver local variables. */
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/*===========================================================================*/
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static color_t savecolor;
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#define GDISP_FLG_ODDBYTE (GDISP_FLG_DRIVER<<0)
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/*===========================================================================*/
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/* Driver local functions. */
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/*===========================================================================*/
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// Some macros just to make reading the code easier
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#define delayms(ms) gfxSleepMilliseconds(ms)
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#define write_data2(d1, d2) { write_data(d1); write_data(d2); }
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#define write_data3(d1, d2, d3) { write_data(d1); write_data(d2); write_data(d3); }
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#define write_cmd1(cmd, d1) { write_cmd(cmd); write_data(d1); }
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#define write_cmd2(cmd, d1, d2) { write_cmd(cmd); write_data2(d1, d2); }
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#define write_cmd3(cmd, d1, d2, d3) { write_cmd(cmd); write_data3(d1, d2, d3); }
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/*===========================================================================*/
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/* Driver exported functions. */
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/*===========================================================================*/
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LLDSPEC bool_t gdisp_lld_init(GDISPDriver *g) {
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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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acquire_bus();
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write_cmd(SLEEPOUT); // Sleep out
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write_cmd1(COLMOD, 0x03); // Color Interface Pixel Format - 0x03 = 12 bits-per-pixel
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write_cmd1(MADCTL, 0x00); // Memory access controller
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write_cmd1(SETCON, 127*GDISP_INITIAL_CONTRAST/100-64); // Write contrast
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delayms(20);
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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 to match */
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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(GDISPDriver *g) {
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acquire_bus();
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write_cmd2(CASET, GDISP_RAM_X_OFFSET+g->p.x, GDISP_RAM_X_OFFSET+g->p.x+g->p.cx-1); // Column address set
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write_cmd2(PASET, GDISP_RAM_Y_OFFSET+g->p.y, GDISP_RAM_Y_OFFSET+g->p.y+g->p.cy-1); // Page address set
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write_cmd(RAMWR);
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g->flags &= ~GDISP_FLG_ODDBYTE;
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}
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LLDSPEC void gdisp_lld_write_color(GDISPDriver *g) {
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if ((g->flags & GDISP_FLG_ODDBYTE)) {
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// Write the pair of pixels to the display
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write_data3(((savecolor >> 4) & 0xFF), (((savecolor << 4) & 0xF0)|((g->p.color >> 8) & 0x0F)), (g->p.color & 0xFF));
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g->flags &= ~GDISP_FLG_ODDBYTE;
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} else {
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savecolor = g->p.color;
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g->flags |= GDISP_FLG_ODDBYTE;
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}
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}
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LLDSPEC void gdisp_lld_write_stop(GDISPDriver *g) {
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if ((g->flags & GDISP_FLG_ODDBYTE)) {
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write_data2(((savecolor >> 4) & 0xFF), ((savecolor << 4) & 0xF0));
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write_cmd(NOP);
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}
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release_bus();
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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(GDISPDriver *g) {
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/* The hardware is capable of supporting...
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* GDISP_CONTROL_POWER - supported
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* GDISP_CONTROL_ORIENTATION - supported
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* GDISP_CONTROL_BACKLIGHT - supported
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* GDISP_CONTROL_CONTRAST - supported
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*/
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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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acquire_bus();
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write_cmd(SLEEPIN);
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release_bus();
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break;
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case powerOn:
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acquire_bus();
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write_cmd(SLEEPOUT);
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delayms(20);
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write_cmd(NORON); // Set Normal mode (my)
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release_bus();
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break;
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case powerSleep:
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acquire_bus();
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write_cmd(SLEEPOUT);
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delayms(20);
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write_cmd2(PTLAR, GDISP_SLEEP_POS, GDISP_SLEEP_POS+GDISP_SLEEP_SIZE)
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write_cmd(PTLON);
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release_bus();
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break;
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default:
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return;
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}
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g->g.Powermode = (powermode_t)g->p.ptr;
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return;
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case GDISP_CONTROL_ORIENTATION:
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if (g->g.Orientation == (orientation_t)g->p.ptr)
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return;
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switch((orientation_t)g->p.ptr) {
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case GDISP_ROTATE_0:
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acquire_bus();
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write_cmd1(MADCTL, 0x00);
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release_bus();
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g->g.Height = GDISP_SCREEN_HEIGHT;
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g->g.Width = GDISP_SCREEN_WIDTH;
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break;
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case GDISP_ROTATE_90:
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acquire_bus();
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write_cmd1(MADCTL, 0xA0); // MY, MX, V, LAO, RGB, X, X, X
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release_bus();
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g->g.Height = GDISP_SCREEN_WIDTH;
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g->g.Width = GDISP_SCREEN_HEIGHT;
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break;
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case GDISP_ROTATE_180:
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acquire_bus();
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write_cmd1(MADCTL, 0xC0);
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release_bus();
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g->g.Height = GDISP_SCREEN_HEIGHT;
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g->g.Width = GDISP_SCREEN_WIDTH;
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break;
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case GDISP_ROTATE_270:
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acquire_bus();
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write_cmd1(MADCTL, 0x60);
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release_bus();
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g->g.Height = GDISP_SCREEN_WIDTH;
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g->g.Width = GDISP_SCREEN_HEIGHT;
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break;
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default:
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return;
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}
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g->g.Orientation = (orientation_t)g->p.ptr;
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return;
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case GDISP_CONTROL_BACKLIGHT:
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if ((unsigned)g->p.ptr > 100) g->p.ptr = (void *)100;
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set_backlight((unsigned)g->p.ptr);
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g->g.Backlight = (unsigned)g->p.ptr;
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return;
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case GDISP_CONTROL_CONTRAST:
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if ((unsigned)g->p.ptr > 100) g->p.ptr = (void *)100;
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acquire_bus();
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write_cmd1(CONTRAST,(unsigned)127*g->p.ptr/100-64);
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release_bus();
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g->g.Contrast = (unsigned)g->p.ptr;
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return;
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}
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}
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#endif
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#endif /* GFX_USE_GDISP */
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/** @} */
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