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ugfx/drivers/gdisp/ILI9488/gdisp_lld_ILI9488.c

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/*
* 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
*/
#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
#define GDISP_DRIVER_VMT GDISPVMT_ILI9488
#include "gdisp_lld_config.h"
#include "../../../src/gdisp/gdisp_driver.h"
#include "board_ILI9488.h"
/*===========================================================================*/
/* Driver local definitions. */
/*===========================================================================*/
#ifndef GDISP_SCREEN_HEIGHT
#define GDISP_SCREEN_HEIGHT 480
#endif
#ifndef GDISP_SCREEN_WIDTH
#define GDISP_SCREEN_WIDTH 320
#endif
#ifndef GDISP_INITIAL_CONTRAST
#define GDISP_INITIAL_CONTRAST 50
#endif
#ifndef GDISP_INITIAL_BACKLIGHT
#define GDISP_INITIAL_BACKLIGHT 100
#endif
/*===========================================================================*/
/* Driver local functions. */
/*===========================================================================*/
static void dummy_read(GDisplay* g) {
volatile uint16_t dummy;
dummy = read_data(g);
(void)dummy;
}
static void set_viewport(GDisplay* g) {
write_index(g, 0x2A);
write_data(g, ((g->p.x >> 8) & 0x00FF));
write_data(g, ((g->p.x >> 0) & 0x00FF));
write_data(g, ((g->p.x + g->p.cx - 1) >> 8) & 0x00FF);
write_data(g, ((g->p.x + g->p.cx - 1) >> 0) & 0x00FF);
write_index(g, 0x2B);
write_data(g, ((g->p.y >> 8) & 0x00FF));
write_data(g, ((g->p.y >> 0) & 0x00FF));
write_data(g, ((g->p.y + g->p.cy - 1) >> 8) & 0x00FF);
write_data(g, ((g->p.y + g->p.cy - 1) >> 0) & 0x00FF);
write_index(g, 0x2C);
}
/*===========================================================================*/
/* Driver interrupt handlers. */
/*===========================================================================*/
/*===========================================================================*/
/* Driver exported functions. */
/*===========================================================================*/
LLDSPEC gBool gdisp_lld_init(GDisplay *g) {
// No private area for this controller
g->priv = 0;
// Initialise the board interface
init_board(g);
/* Hardware reset */
setpin_reset(g, gTrue);
gfxSleepMilliseconds(2);
setpin_reset(g, gFalse);
gfxSleepMilliseconds(10);
setpin_reset(g, gTrue);
gfxSleepMilliseconds(120);
/* Get the bus for the following initialisation commands */
acquire_bus(g);
write_index(g, 0xF7);
write_data(g, 0xA9);
write_data(g, 0x51);
write_data(g, 0x2C);
write_data(g, 0x82);
write_index(g, 0xC0);
write_data(g, 0x11);
write_data(g, 0x09);
write_index(g, 0xC1);
write_data(g, 0x41);
write_index(g, 0xC5);
write_data(g, 0x00);
write_data(g, 0x2A);
write_data(g, 0x80);
write_index(g, 0xB1);
write_data(g, 0xB0);
write_data(g, 0x11);
write_index(g, 0xB4);
write_data(g, 0x02);
write_index(g, 0xB6);
write_data(g, 0x02);
write_data(g, 0x22);
write_data(g, 0x3B);
write_index(g, 0xB7);
write_data(g, 0xC6);
write_index(g, 0xBE);
write_data(g, 0x00);
write_data(g, 0x04);
write_index(g, 0xE9);
write_data(g, 0x00);
write_index(g, 0x36);
write_data(g, 0x08);
write_index(g, 0x3A);
write_data(g, 0x55);
write_index(g, 0xE0);
write_data(g, 0x00);
write_data(g, 0x07);
write_data(g, 0x12);
write_data(g, 0x0B);
write_data(g, 0x18);
write_data(g, 0x0B);
write_data(g, 0x3F);
write_data(g, 0x9B);
write_data(g, 0x4B);
write_data(g, 0x0B);
write_data(g, 0x0F);
write_data(g, 0x0B);
write_data(g, 0x15);
write_data(g, 0x17);
write_data(g, 0x0F);
write_index(g, 0xE1);
write_data(g, 0x00);
write_data(g, 0x16);
write_data(g, 0x1B);
write_data(g, 0x02);
write_data(g, 0x0F);
write_data(g, 0x06);
write_data(g, 0x34);
write_data(g, 0x46);
write_data(g, 0x48);
write_data(g, 0x04);
write_data(g, 0x0D);
write_data(g, 0x0D);
write_data(g, 0x35);
write_data(g, 0x36);
write_data(g, 0x0F);
write_index(g, 0x11);
gfxSleepMilliseconds(120);
write_index(g, 0x29);
// Finish Init
post_init_board(g);
// Release the bus
release_bus(g);
// Turn on the back-light
set_backlight(g, GDISP_INITIAL_BACKLIGHT);
// Initialise the GDISP structure
g->g.Width = GDISP_SCREEN_WIDTH;
g->g.Height = GDISP_SCREEN_HEIGHT;
g->g.Orientation = gOrientation0;
g->g.Powermode = gPowerOn;
g->g.Backlight = GDISP_INITIAL_BACKLIGHT;
g->g.Contrast = GDISP_INITIAL_CONTRAST;
return gTrue;
}
#if GDISP_HARDWARE_STREAM_WRITE
LLDSPEC void gdisp_lld_write_start(GDisplay *g) {
acquire_bus(g);
set_viewport(g);
}
LLDSPEC void gdisp_lld_write_color(GDisplay *g) {
write_data(g, gdispColor2Native(g->p.color));
}
LLDSPEC void gdisp_lld_write_stop(GDisplay *g) {
release_bus(g);
}
#endif
#if GDISP_HARDWARE_STREAM_READ
LLDSPEC void gdisp_lld_read_start(GDisplay *g) {
acquire_bus(g);
set_viewport(g);
setreadmode(g);
dummy_read(g);
}
LLDSPEC gColor gdisp_lld_read_color(GDisplay *g) {
uint16_t data;
data = read_data(g);
return gdispNative2Color(data);
}
LLDSPEC void gdisp_lld_read_stop(GDisplay *g) {
setwritemode(g);
release_bus(g);
}
#endif
#if GDISP_NEED_CONTROL && GDISP_HARDWARE_CONTROL
LLDSPEC void gdisp_lld_control(GDisplay *g) {
switch(g->p.x) {
case GDISP_CONTROL_POWER:
if (g->g.Powermode == (gPowermode)g->p.ptr)
return;
switch((gPowermode)g->p.ptr) {
case gPowerOff:
acquire_bus(g);
write_index(g, 0x28);
gfxSleepMilliseconds(10);
write_index(g, 0x10);
release_bus(g);
break;
case gPowerOn:
acquire_bus(g);
write_index(g, 0x11);
gfxSleepMilliseconds(120);
write_index(g, 0x29);
release_bus(g);
if (g->g.Powermode != gPowerSleep)
gdisp_lld_init(g);
break;
case gPowerSleep:
acquire_bus(g);
write_index(g, 0x28);
gfxSleepMilliseconds(10);
write_index(g, 0x10);
release_bus(g);
break;
default:
return;
}
g->g.Powermode = (gPowermode)g->p.ptr;
return;
case GDISP_CONTROL_ORIENTATION:
if (g->g.Orientation == (gOrientation)g->p.ptr)
return;
switch((gOrientation)g->p.ptr) {
case gOrientation0:
acquire_bus(g);
write_index(g, 0x36);
write_data(g, 0x08);
release_bus(g);
g->g.Height = GDISP_SCREEN_HEIGHT;
g->g.Width = GDISP_SCREEN_WIDTH;
break;
case gOrientation90:
acquire_bus(g);
write_index(g, 0x36);
write_data(g, 0x68);
release_bus(g);
g->g.Height = GDISP_SCREEN_WIDTH;
g->g.Width = GDISP_SCREEN_HEIGHT;
break;
case gOrientation180:
acquire_bus(g);
write_index(g, 0x36);
write_data(g, 0xC8);
release_bus(g);
g->g.Height = GDISP_SCREEN_HEIGHT;
g->g.Width = GDISP_SCREEN_WIDTH;
break;
case gOrientation270:
acquire_bus(g);
write_index(g, 0x36);
write_data(g, 0xA8);
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;
default:
return;
}
}
#endif
#endif /* GFX_USE_GDISP */
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