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ugfx/drivers/gdisp/ILI9325/gdisp_lld_ILI9325.c
inmarket a8e860678d New GDISP now supports multiple controllers with different pixel formats. 
You can now have a main color display and a secondary monochrome display.
You can now optionally set GDISP_PIXELFORMAT to any color or grayscale format for your application and the driver will internally convert to the display hardware format.
2013-11-05 19:34:12 +10:00

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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
*/
/**
* @file drivers/gdisp/ILI9325/gdisp_lld.c
* @brief GDISP Graphics Driver subsystem low level driver source for the ILI9325 display.
*/
#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)
#warning "GDISP: This low level driver does not support setting a screen size. It is being ignored."
#undef GDISP_SCREEN_HEIGHT
#endif
#if defined(GDISP_SCREEN_WIDTH)
#warning "GDISP: This low level driver does not support setting a screen size. It is being ignored."
#undef GDISP_SCREEN_WIDTH
#endif
#define GDISP_DRIVER_VMT GDISPVMT_ILI9325
#include "../drivers/gdisp/ILI9325/gdisp_lld_config.h"
#include "gdisp/lld/gdisp_lld.h"
#include "board_ILI9325.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 void set_cursor(GDisplay *g) {
switch(g->g.Orientation) {
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) {
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 bool_t gdisp_lld_init(GDisplay *g) {
uint16_t cver;
// No private area for this controller
g->priv = 0;
// Initialise the board interface
init_board(g);
/* Hardware reset */
setpin_reset(g, TRUE);
gfxSleepMicroseconds(1000);
setpin_reset(g, FALSE);
gfxSleepMicroseconds(1000);
acquire_bus(g);
write_index(g, 0); // Get controller version
setreadmode(g);
dummy_read(g);
cver = read_data(g);
setwritemode(g);
// chinese code starts here
write_reg(g, 0x00, 0x0001);
gfxSleepMilliseconds(10);
write_reg(g, 0x15, 0x0030);
write_reg(g, 0x11, 0x0040);
write_reg(g, 0x10, 0x1628);
write_reg(g, 0x12, 0x0000);
write_reg(g, 0x13, 0x104d);
gfxSleepMilliseconds(10);
write_reg(g, 0x12, 0x0010);
gfxSleepMilliseconds(10);
write_reg(g, 0x10, 0x2620);
write_reg(g, 0x13, 0x344d); //304d
gfxSleepMilliseconds(10);
write_reg(g, 0x01, 0x0100);
write_reg(g, 0x02, 0x0300);
write_reg(g, 0x03, 0x1038);//0x1030
write_reg(g, 0x08, 0x0604);
write_reg(g, 0x09, 0x0000);
write_reg(g, 0x0A, 0x0008);
write_reg(g, 0x41, 0x0002);
write_reg(g, 0x60, 0x2700);
write_reg(g, 0x61, 0x0001);
write_reg(g, 0x90, 0x0182);
write_reg(g, 0x93, 0x0001);
write_reg(g, 0xa3, 0x0010);
gfxSleepMilliseconds(10);
//################# void Gamma_Set(void) ####################//
write_reg(g, 0x30, 0x0000);
write_reg(g, 0x31, 0x0502);
write_reg(g, 0x32, 0x0307);
write_reg(g, 0x33, 0x0305);
write_reg(g, 0x34, 0x0004);
write_reg(g, 0x35, 0x0402);
write_reg(g, 0x36, 0x0707);
write_reg(g, 0x37, 0x0503);
write_reg(g, 0x38, 0x1505);
write_reg(g, 0x39, 0x1505);
gfxSleepMilliseconds(10);
//################## void Display_ON(void) ####################//
write_reg(g, 0x07, 0x0001);
gfxSleepMilliseconds(10);
write_reg(g, 0x07, 0x0021);
write_reg(g, 0x07, 0x0023);
gfxSleepMilliseconds(10);
write_reg(g, 0x07, 0x0033);
gfxSleepMilliseconds(10);
write_reg(g, 0x07, 0x0133);
// chinese code ends here
// 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 = powerOn;
g->g.Backlight = GDISP_INITIAL_BACKLIGHT;
g->g.Contrast = GDISP_INITIAL_CONTRAST;
return TRUE;
}
#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, 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 color_t gdisp_lld_read_color(GDisplay *g) {
uint16_t data;
data = read_data(g);
return NATIVE2COLOR(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 == (powermode_t)g->p.ptr)
return;
switch((powermode_t)g->p.ptr) {
case powerOff:
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 powerOn:
//*************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 powerSleep:
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);
gdisp_lld_backlight(g, 0);
break;
case powerDeepSleep:
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);
gdisp_lld_backlight(g, 0);
break;
default:
return;
}
g->g.Powermode = (powermode_t)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, 0x1038);
write_reg(g, 0x60, 0x2700);
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, 0x0000);
write_reg(g, 0x03, 0x1030);
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, 0x1038);
write_reg(g, 0x60, 0xa700);
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, 0x0100);
write_reg(g, 0x03, 0x1030);
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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