ugfx/drivers/gdisp/S6D1121/gdisp_lld_S6D1121.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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* http://ugfx.io/license.html
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*/
#include "gfx.h"
#if GFX_USE_GDISP
#if defined(GDISP_SCREEN_HEIGHT) || defined(GDISP_SCREEN_HEIGHT)
#if GFX_COMPILER_WARNING_TYPE == GFX_COMPILER_WARNING_DIRECT
#warning "GDISP: This low level driver does not support setting a screen size. It is being ignored."
#elif GFX_COMPILER_WARNING_TYPE == GFX_COMPILER_WARNING_MACRO
COMPILER_WARNING("GDISP: This low level driver does not support setting a screen size. It is being ignored.")
#endif
#undef GDISP_SCREEN_WIDTH
#undef GDISP_SCREEN_HEIGHT
#endif
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#define GDISP_DRIVER_VMT GDISPVMT_S6D1121
#include "gdisp_lld_config.h"
#include "../../../src/gdisp/gdisp_driver.h"
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#include "board_S6D1121.h"
/*===========================================================================*/
/* Driver local definitions. */
/*===========================================================================*/
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#ifndef GDISP_SCREEN_HEIGHT
#define GDISP_SCREEN_HEIGHT 320
#endif
#ifndef GDISP_SCREEN_WIDTH
#define GDISP_SCREEN_WIDTH 240
#endif
#ifndef GDISP_INITIAL_CONTRAST
#define GDISP_INITIAL_CONTRAST 50
#endif
#ifndef GDISP_INITIAL_BACKLIGHT
#define GDISP_INITIAL_BACKLIGHT 100
#endif
/*===========================================================================*/
/* Driver local definitions. */
/*===========================================================================*/
/* Some common routines and macros */
#define dummy_read(g) { volatile gU16 dummy; dummy = read_data(g); (void) dummy; }
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#define write_reg(g, reg, data) { write_index(g, reg); write_data(g, data); }
#define delay(us) gfxSleepMicroseconds(us)
#define delayms(ms) gfxSleepMilliseconds(ms)
static GFXINLINE void set_cursor(GDisplay *g) {
/* R20h - 8 bit
* R21h - 9 bit
*/
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switch(g->g.Orientation) {
default:
case gOrientation0:
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write_reg(g, 0x20, g->p.x & 0x00FF);
write_reg(g, 0x21, g->p.y & 0x01FF);
break;
case gOrientation90:
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write_reg(g, 0x20, g->p.y & 0x00FF);
write_reg(g, 0x21, (GDISP_SCREEN_HEIGHT - 1 - g->p.x) & 0x01FF);
break;
case gOrientation180:
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write_reg(g, 0x20, (GDISP_SCREEN_WIDTH - 1 - g->p.x) & 0x00FF);
write_reg(g, 0x21, (GDISP_SCREEN_HEIGHT - 1 - g->p.y) & 0x01FF);
break;
case gOrientation270:
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write_reg(g, 0x20, (GDISP_SCREEN_WIDTH - 1 - g->p.y) & 0x00FF);
write_reg(g, 0x21, g->p.x & 0x01FF);
break;
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}
write_index(g, 0x22);
}
static GFXINLINE void set_viewport(GDisplay *g) {
/* HSA / HEA are 8 bit
* VSA / VEA are 9 bit
* use masks 0x00FF and 0x01FF to enforce this
*/
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switch(g->g.Orientation) {
default:
case gOrientation0:
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write_reg(g, 0x46, (((g->p.x + g->p.cx - 1) << 8) & 0xFF00 ) | (g->p.x & 0x00FF));
write_reg(g, 0x48, g->p.y & 0x01FF);
write_reg(g, 0x47, (g->p.y + g->p.cy - 1) & 0x01FF);
break;
case gOrientation90:
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write_reg(g, 0x46, (((g->p.y + g->p.cy - 1) << 8) & 0xFF00) | (g->p.y & 0x00FF));
write_reg(g, 0x48, (GDISP_SCREEN_HEIGHT - (g->p.x + g->p.cx)) & 0x01FF);
write_reg(g, 0x47, (GDISP_SCREEN_HEIGHT-1 - g->p.x) & 0x01FF);
break;
case gOrientation180:
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write_reg(g, 0x46, (((GDISP_SCREEN_WIDTH-1 - g->p.x) & 0x00FF) << 8) |
((GDISP_SCREEN_WIDTH - (g->p.x + g->p.cx)) & 0x00FF));
write_reg(g, 0x48, (GDISP_SCREEN_HEIGHT - (g->p.y + g->p.cy)) & 0x01FF);
write_reg(g, 0x47, (GDISP_SCREEN_HEIGHT-1 - g->p.y) & 0x01FF);
break;
case gOrientation270:
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write_reg(g, 0x46, (((GDISP_SCREEN_WIDTH-1 - g->p.y) & 0x00FF) << 8) |
((GDISP_SCREEN_WIDTH - (g->p.y + g->p.cy)) & 0x00FF));
write_reg(g, 0x48, g->p.x & 0x01FF);
write_reg(g, 0x47, (g->p.x + g->p.cx - 1) & 0x01FF);
break;
}
}
LLDSPEC gBool gdisp_lld_init(GDisplay *g) {
// No private area for this controller
g->priv = 0;
// Initialise the board interface
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init_board(g);
/* Hardware reset */
setpin_reset(g, gTrue);
delayms(20);
setpin_reset(g, gFalse);
delayms(20);
/* Get the bus for the following initialisation commands */
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acquire_bus(g);
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write_reg(g, 0x11, 0x2004);
write_reg(g, 0x13, 0xCC00);
write_reg(g, 0x15, 0x2600);
write_reg(g, 0x14, 0x252A);
write_reg(g, 0x12, 0x0033);
write_reg(g, 0x13, 0xCC04);
delayms(1);
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write_reg(g, 0x13, 0xCC06);
delayms(1);
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write_reg(g, 0x13, 0xCC4F);
delayms(1);
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write_reg(g, 0x13, 0x674F);
write_reg(g, 0x11, 0x2003);
delayms(1);
// Gamma Setting
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write_reg(g, 0x30, 0x2609);
write_reg(g, 0x31, 0x242C);
write_reg(g, 0x32, 0x1F23);
write_reg(g, 0x33, 0x2425);
write_reg(g, 0x34, 0x2226);
write_reg(g, 0x35, 0x2523);
write_reg(g, 0x36, 0x1C1A);
write_reg(g, 0x37, 0x131D);
write_reg(g, 0x38, 0x0B11);
write_reg(g, 0x39, 0x1210);
write_reg(g, 0x3A, 0x1315);
write_reg(g, 0x3B, 0x3619);
write_reg(g, 0x3C, 0x0D00);
write_reg(g, 0x3D, 0x000D);
write_reg(g, 0x16, 0x0007);
write_reg(g, 0x02, 0x0013);
write_reg(g, 0x03, 0x0003);
write_reg(g, 0x01, 0x0127);
delayms(1);
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write_reg(g, 0x08, 0x0303);
write_reg(g, 0x0A, 0x000B);
write_reg(g, 0x0B, 0x0003);
write_reg(g, 0x0C, 0x0000);
write_reg(g, 0x41, 0x0000);
write_reg(g, 0x50, 0x0000);
write_reg(g, 0x60, 0x0005);
write_reg(g, 0x70, 0x000B);
write_reg(g, 0x71, 0x0000);
write_reg(g, 0x78, 0x0000);
write_reg(g, 0x7A, 0x0000);
write_reg(g, 0x79, 0x0007);
write_reg(g, 0x07, 0x0051);
delayms(1);
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write_reg(g, 0x07,0x0053);
write_reg(g, 0x79,0x0000);
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// Finish Init
post_init_board(g);
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// Release the bus
release_bus(g);
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/* Turn on the back-light */
set_backlight(g, GDISP_INITIAL_BACKLIGHT);
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/* Initialise the GDISP structure */
g->g.Width = GDISP_SCREEN_WIDTH;
g->g.Height = GDISP_SCREEN_HEIGHT;
g->g.Orientation = gOrientation0;
g->g.Powermode = gPowerOn;
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g->g.Backlight = GDISP_INITIAL_BACKLIGHT;
g->g.Contrast = GDISP_INITIAL_CONTRAST;
return gTrue;
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}
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#if GDISP_HARDWARE_STREAM_WRITE
LLDSPEC void gdisp_lld_write_start(GDisplay *g) {
acquire_bus(g);
set_viewport(g);
}
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LLDSPEC void gdisp_lld_write_color(GDisplay *g) {
write_data(g, gdispColor2Native(g->p.color));
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}
LLDSPEC void gdisp_lld_write_stop(GDisplay *g) {
release_bus(g);
}
LLDSPEC void gdisp_lld_write_pos(GDisplay *g) {
set_cursor(g);
}
#endif
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#if GDISP_HARDWARE_STREAM_READ
LLDSPEC void gdisp_lld_read_start(GDisplay *g) {
acquire_bus(g);
set_viewport(g);
set_cursor(g);
setreadmode(g);
dummy_read(g);
}
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LLDSPEC gColor gdisp_lld_read_color(GDisplay *g) {
gU16 data;
data = read_data(g);
return gdispNative2Color(data);
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}
LLDSPEC void gdisp_lld_read_stop(GDisplay *g) {
setwritemode(g);
release_bus(g);
}
#endif
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#if GDISP_NEED_CONTROL && GDISP_HARDWARE_CONTROL
LLDSPEC void gdisp_lld_control(GDisplay *g) {
switch(g->p.x) {
#if 0
case GDISP_CONTROL_POWER:
if (g->g.Powermode == (gPowermode)g->p.ptr)
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return;
switch((gPowermode)g->p.ptr) {
case gPowerOff:
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acquire_bus(g);
// TODO
release_bus(g);
break;
case gPowerOn:
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acquire_bus(g);
// TODO
release_bus(g);
break;
case gPowerSleep:
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acquire_bus(g);
// TODO
release_bus(g);
break;
default:
return;
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}
g->g.Powermode = (gPowermode)g->p.ptr;
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return;
#endif
case GDISP_CONTROL_ORIENTATION:
if (g->g.Orientation == (gOrientation)g->p.ptr)
return;
switch((gOrientation)g->p.ptr) {
case gOrientation0:
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acquire_bus(g);
write_reg(g, 0x03, 0b0011);
release_bus(g);
g->g.Height = GDISP_SCREEN_HEIGHT;
g->g.Width = GDISP_SCREEN_WIDTH;
break;
case gOrientation90:
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acquire_bus(g);
write_reg(g, 0x03, 0b1001);
release_bus(g);
g->g.Height = GDISP_SCREEN_WIDTH;
g->g.Width = GDISP_SCREEN_HEIGHT;
break;
case gOrientation180:
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acquire_bus(g);
write_reg(g, 0x03, 0b0000);
release_bus(g);
g->g.Height = GDISP_SCREEN_HEIGHT;
g->g.Width = GDISP_SCREEN_WIDTH;
break;
case gOrientation270:
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acquire_bus(g);
write_reg(g, 0x03, 0b1010);
release_bus(g);
g->g.Height = GDISP_SCREEN_WIDTH;
g->g.Width = GDISP_SCREEN_HEIGHT;
break;
default:
return;
}
g->g.Orientation = (gOrientation)g->p.ptr;
return;
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case GDISP_CONTROL_BACKLIGHT:
if ((unsigned)g->p.ptr > 100)
g->p.ptr = (void *)100;
set_backlight(g, (unsigned)g->p.ptr);
g->g.Backlight = (unsigned)g->p.ptr;
return;
//case GDISP_CONTROL_CONTRAST:
default:
return;
}
}
#endif
#endif /* GFX_USE_GDISP */