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ugfx/drivers/gdisp/ILI93xx/gdisp_lld_ILI93xx.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 /*|| defined(__DOXYGEN__)*/
/* This controller is only ever used with a 240 x 320 display */
#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_ILI93xx
#include "gdisp_lld_config.h"
#include "../../../src/gdisp/gdisp_driver.h"
#include "board_ILI93xx.h"
/*===========================================================================*/
/* Driver local definitions. */
/*===========================================================================*/
#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 variables. */
/*===========================================================================*/
/*===========================================================================*/
/* Driver local functions. */
/*===========================================================================*/
// Some common routines and macros
#define dummy_read(g) { volatile uint16_t dummy; dummy = read_data(g); (void) dummy; }
#define write_reg(g, reg, data) { write_index(g, reg); write_data(g, data); }
static GFXINLINE uint16_t read_reg(GDisplay *g, uint32_t reg) {
write_index(g, reg);
return read_data(g);
}
static void set_cursor(GDisplay *g) {
switch(g->g.Orientation) {
default:
case GDISP_ROTATE_0:
case GDISP_ROTATE_180:
write_reg(g, 0x20, g->p.x);
write_reg(g, 0x21, g->p.y);
break;
case GDISP_ROTATE_90:
case GDISP_ROTATE_270:
write_reg(g, 0x20, g->p.y);
write_reg(g, 0x21, g->p.x);
break;
}
write_index(g, 0x22);
}
static void set_viewport(GDisplay* g) {
switch(g->g.Orientation) {
default:
case GDISP_ROTATE_0:
case GDISP_ROTATE_180:
write_reg(g, 0x50, g->p.x);
write_reg(g, 0x51, g->p.x + g->p.cx - 1);
write_reg(g, 0x52, g->p.y);
write_reg(g, 0x53, g->p.y + g->p.cy - 1);
break;
case GDISP_ROTATE_90:
case GDISP_ROTATE_270:
write_reg(g, 0x50, g->p.y);
write_reg(g, 0x51, g->p.y + g->p.cy - 1);
write_reg(g, 0x52, g->p.x);
write_reg(g, 0x53, g->p.x + g->p.cx - 1);
break;
}
}
LLDSPEC gBool gdisp_lld_init(GDisplay *g) {
unsigned short DeviceCode;
// No private area for this controller
g->priv = 0;
// Initialise the board interface
init_board(g);
/* Hardware reset */
setpin_reset(g, gTrue);
gfxSleepMilliseconds(1);
setpin_reset(g, gFalse);
gfxSleepMilliseconds(10);
setpin_reset(g, gTrue);
gfxSleepMilliseconds(50);
acquire_bus(g);
setreadmode(g);
DeviceCode = read_reg(g, 0x00);
setwritemode(g);
if( DeviceCode == 0x9320 || DeviceCode == 0x9300 )
{
write_reg(g, 0x00, 0x0000);
write_reg(g, 0x01, 0x0100); /* Driver Output Contral */
write_reg(g, 0x02, 0x0700); /* LCD Driver Waveform Contral */
write_reg(g, 0x03, 0x1038); /* Set the scan mode */
write_reg(g, 0x04, 0x0000); /* Scalling Contral */
write_reg(g, 0x08, 0x0202); /* Display Contral 2 */
write_reg(g, 0x09, 0x0000); /* Display Contral 3 */
write_reg(g, 0x0a, 0x0000); /* Frame Cycle Contal */
write_reg(g, 0x0c, (1<<0)); /* Extern Display Interface Contral 1 */
write_reg(g, 0x0d, 0x0000); /* Frame Maker Position */
write_reg(g, 0x0f, 0x0000); /* Extern Display Interface Contral 2 */
gfxSleepMilliseconds(50);
write_reg(g, 0x07, 0x0101); /* Display Contral */
gfxSleepMilliseconds(50);
write_reg(g, 0x10, (1<<12)|(0<<8)|(1<<7)|(1<<6)|(0<<4)); /* Power Control 1 */
write_reg(g, 0x11, 0x0007); /* Power Control 2 */
write_reg(g, 0x12, (1<<8)|(1<<4)|(0<<0)); /* Power Control 3 */
write_reg(g, 0x13, 0x0b00); /* Power Control 4 */
write_reg(g, 0x29, 0x0000); /* Power Control 7 */
write_reg(g, 0x2b, (1<<14)|(1<<4));
write_reg(g, 0x50, 0); /* Set X Start */
write_reg(g, 0x51, 239); /* Set X End */
write_reg(g, 0x52, 0); /* Set Y Start */
write_reg(g, 0x53, 319); /* Set Y End */
gfxSleepMilliseconds(50);
write_reg(g, 0x60, 0x2700); /* Driver Output Control */
write_reg(g, 0x61, 0x0001); /* Driver Output Control */
write_reg(g, 0x6a, 0x0000); /* Vertical Srcoll Control */
write_reg(g, 0x80, 0x0000); /* Display Position? Partial Display 1 */
write_reg(g, 0x81, 0x0000); /* RAM Address Start? Partial Display 1 */
write_reg(g, 0x82, 0x0000); /* RAM Address End-Partial Display 1 */
write_reg(g, 0x83, 0x0000); /* Displsy Position? Partial Display 2 */
write_reg(g, 0x84, 0x0000); /* RAM Address Start? Partial Display 2 */
write_reg(g, 0x85, 0x0000); /* RAM Address End? Partial Display 2 */
write_reg(g, 0x90, (0<<7)|(16<<0)); /* Frame Cycle Contral */
write_reg(g, 0x92, 0x0000); /* Panel Interface Contral 2 */
write_reg(g, 0x93, 0x0001); /* Panel Interface Contral 3 */
write_reg(g, 0x95, 0x0110); /* Frame Cycle Contral */
write_reg(g, 0x97, (0<<8));
write_reg(g, 0x98, 0x0000); /* Frame Cycle Contral */
write_reg(g, 0x07, 0x0133);
}
else if( DeviceCode == 0x9325 || DeviceCode == 0x9328)
{
write_reg(g, 0x00e7, 0x0010);
write_reg(g, 0x0000, 0x0001); /* start internal osc */
write_reg(g, 0x0001, 0x0100);
write_reg(g, 0x0002, 0x0700); /* power on sequence */
write_reg(g, 0x0003, (1<<12)|(1<<5)|(1<<4)|(0<<3) ); /* importance */
write_reg(g, 0x0004, 0x0000);
write_reg(g, 0x0008, 0x0207);
write_reg(g, 0x0009, 0x0000);
write_reg(g, 0x000a, 0x0000); /* display setting */
write_reg(g, 0x000c, 0x0001); /* display setting */
write_reg(g, 0x000d, 0x0000);
write_reg(g, 0x000f, 0x0000);
/* Power On sequence */
write_reg(g, 0x0010, 0x0000);
write_reg(g, 0x0011, 0x0007);
write_reg(g, 0x0012, 0x0000);
write_reg(g, 0x0013, 0x0000);
gfxSleepMilliseconds(50); /* delay 50 ms */
write_reg(g, 0x0010, 0x1590);
write_reg(g, 0x0011, 0x0227);
gfxSleepMilliseconds(50); /* delay 50 ms */
write_reg(g, 0x0012, 0x009c);
gfxSleepMilliseconds(50); /* delay 50 ms */
write_reg(g, 0x0013, 0x1900);
write_reg(g, 0x0029, 0x0023);
write_reg(g, 0x002b, 0x000e);
gfxSleepMilliseconds(50); /* delay 50 ms */
write_reg(g, 0x0020, 0x0000);
write_reg(g, 0x0021, 0x0000);
gfxSleepMilliseconds(50); /* delay 50 ms */
write_reg(g, 0x0030, 0x0007);
write_reg(g, 0x0031, 0x0707);
write_reg(g, 0x0032, 0x0006);
write_reg(g, 0x0035, 0x0704);
write_reg(g, 0x0036, 0x1f04);
write_reg(g, 0x0037, 0x0004);
write_reg(g, 0x0038, 0x0000);
write_reg(g, 0x0039, 0x0706);
write_reg(g, 0x003c, 0x0701);
write_reg(g, 0x003d, 0x000f);
gfxSleepMilliseconds(50); /* delay 50 ms */
write_reg(g, 0x0050, 0x0000);
write_reg(g, 0x0051, 0x00ef);
write_reg(g, 0x0052, 0x0000);
write_reg(g, 0x0053, 0x013f);
write_reg(g, 0x0060, 0xa700);
write_reg(g, 0x0061, 0x0001);
write_reg(g, 0x006a, 0x0000);
write_reg(g, 0x0080, 0x0000);
write_reg(g, 0x0081, 0x0000);
write_reg(g, 0x0082, 0x0000);
write_reg(g, 0x0083, 0x0000);
write_reg(g, 0x0084, 0x0000);
write_reg(g, 0x0085, 0x0000);
write_reg(g, 0x0090, 0x0010);
write_reg(g, 0x0092, 0x0000);
write_reg(g, 0x0093, 0x0003);
write_reg(g, 0x0095, 0x0110);
write_reg(g, 0x0097, 0x0000);
write_reg(g, 0x0098, 0x0000);
/* display on sequence */
write_reg(g, 0x0007, 0x0133);
write_reg(g, 0x0020, 0x0000);
write_reg(g, 0x0021, 0x0000);
}
gfxSleepMilliseconds(100); /* delay 50 ms */
// Finish Init
post_init_board(g);
// Release the bus
release_bus(g);
// Turn on the backlight
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 = GDISP_ROTATE_0;
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));
//write_data(g, COLOR2NATIVE(g->p.color));
}
LLDSPEC void gdisp_lld_write_stop(GDisplay *g) {
release_bus(g);
}
LLDSPEC void gdisp_lld_write_pos(GDisplay *g) {
set_cursor(g);
}
#endif
#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);
}
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_reg(g, 0x07, 0x0000);
write_reg(g, 0x10, 0x0000);
write_reg(g, 0x11, 0x0000);
write_reg(g, 0x12, 0x0000);
write_reg(g, 0x13, 0x0000);
release_bus(g);
set_backlight(g, 0);
break;
case gPowerOn:
//*************Power On sequence ******************//
acquire_bus(g);
write_reg(g, 0x10, 0x0000); /* SAP, BT[3:0], AP, DSTB, SLP, STB */
write_reg(g, 0x11, 0x0000); /* DC1[2:0], DC0[2:0], VC[2:0] */
write_reg(g, 0x12, 0x0000); /* VREG1OUT voltage */
write_reg(g, 0x13, 0x0000); /* VDV[4:0] for VCOM amplitude */
gfxSleepMilliseconds(200); /* Dis-charge capacitor power voltage */
write_reg(g, 0x10, 0x17B0); /* SAP, BT[3:0], AP, DSTB, SLP, STB */
write_reg(g, 0x11, 0x0147); /* DC1[2:0], DC0[2:0], VC[2:0] */
gfxSleepMilliseconds(50);
write_reg(g, 0x12, 0x013C); /* VREG1OUT voltage */
gfxSleepMilliseconds(50);
write_reg(g, 0x13, 0x0E00); /* VDV[4:0] for VCOM amplitude */
write_reg(g, 0x29, 0x0009); /* VCM[4:0] for VCOMH */
gfxSleepMilliseconds(50);
write_reg(g, 0x07, 0x0173); /* 262K color and display ON */
release_bus(g);
set_backlight(g, g->g.Backlight);
break;
case gPowerSleep:
acquire_bus(g);
write_reg(g, 0x07, 0x0000); /* display OFF */
write_reg(g, 0x10, 0x0000); /* SAP, BT[3:0], APE, AP, DSTB, SLP */
write_reg(g, 0x11, 0x0000); /* DC1[2:0], DC0[2:0], VC[2:0] */
write_reg(g, 0x12, 0x0000); /* VREG1OUT voltage */
write_reg(g, 0x13, 0x0000); /* VDV[4:0] for VCOM amplitude */
gfxSleepMilliseconds(200); /* Dis-charge capacitor power voltage */
write_reg(g, 0x10, 0x0002); /* SAP, BT[3:0], APE, AP, DSTB, SLP */
release_bus(g);
set_backlight(g, g->g.Backlight);
break;
case gPowerDeepSleep:
acquire_bus(g);
write_reg(g, 0x07, 0x0000); /* display OFF */
write_reg(g, 0x10, 0x0000); /* SAP, BT[3:0], APE, AP, DSTB, SLP */
write_reg(g, 0x11, 0x0000); /* DC1[2:0], DC0[2:0], VC[2:0] */
write_reg(g, 0x12, 0x0000); /* VREG1OUT voltage */
write_reg(g, 0x13, 0x0000); /* VDV[4:0] for VCOM amplitude */
gfxSleepMilliseconds(200); /* Dis-charge capacitor power voltage */
write_reg(g, 0x10, 0x0004); /* SAP, BT[3:0], APE, AP, DSTB, SLP */
release_bus(g);
set_backlight(g, g->g.Backlight);
break;
default:
return;
}
g->g.Powermode = (gPowermode)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);
write_reg(g, 0x01, 0x0100);
write_reg(g, 0x03, 0x1030);
write_reg(g, 0x60, 0xa700);
release_bus(g);
g->g.Height = GDISP_SCREEN_HEIGHT;
g->g.Width = GDISP_SCREEN_WIDTH;
break;
case GDISP_ROTATE_90:
acquire_bus(g);
write_reg(g, 0x01, 0x0100);
write_reg(g, 0x03, 0x1038);
write_reg(g, 0x60, 0x2700);
release_bus(g);
g->g.Height = GDISP_SCREEN_WIDTH;
g->g.Width = GDISP_SCREEN_HEIGHT;
break;
case GDISP_ROTATE_180:
acquire_bus(g);
write_reg(g, 0x01, 0x0000);
write_reg(g, 0x03, 0x1030);
write_reg(g, 0x60, 0x2700);
release_bus(g);
g->g.Height = GDISP_SCREEN_HEIGHT;
g->g.Width = GDISP_SCREEN_WIDTH;
break;
case GDISP_ROTATE_270:
acquire_bus(g);
write_reg(g, 0x01, 0x0000);
write_reg(g, 0x03, 0x1038);
write_reg(g, 0x60, 0xa700);
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;
set_backlight(g, (unsigned)g->p.ptr);
g->g.Backlight = (unsigned)g->p.ptr;
return;
default:
return;
}
}
#endif
#endif /* GFX_USE_GDISP */
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