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/*------------------------------------------------------------------------------
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-- This file is a part of the libuc, microcontroler library
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-- Copyright (C) 2012, Alexis Jeandet
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--
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-- This program is free software; you can redistribute it and/or modify
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-- it under the terms of the GNU General Public License as published by
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-- the Free Software Foundation; either version 3 of the License, or
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-- (at your option) any later version.
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--
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-- This program is distributed in the hope that it will be useful,
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-- but WITHOUT ANY WARRANTY; without even the implied warranty of
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-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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-- GNU General Public License for more details.
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--
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-- You should have received a copy of the GNU General Public License
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-- along with this program; if not, write to the Free Software
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-- Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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-------------------------------------------------------------------------------
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-- Author : Alexis Jeandet
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-- Mail : alexis.jeandet@gmail.com
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-------------------------------------------------------------------------------*/
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#include <ili9328.h>
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#include <stdio.h>
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#include <stddef.h>
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#include <core.h>
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#include <math.h>
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#ifdef __OPTIMIZED_MATH
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#include <optimised_math.h>
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#endif
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#define _delay_(del) for(volatile int _d_e_l_=0;_d_e_l_<(del);_d_e_l_++);
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void ili9328setGRAMaddress(LCD_t* LCD,uint16_t Haddress,uint16_t Vaddress)
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{
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LCD->interface->writereg(ILI9328_REGISTER_HORIZONTALGRAMADDRESSSET,Haddress);
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LCD->interface->writereg(ILI9328_REGISTER_VERTICALGRAMADDRESSSET,Vaddress);
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}
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void ili9328refreshenable(struct LCD_t* LCD,int enable)
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{
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if(enable)
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{
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//LCD->interface->writereg(ILI9328_REGISTER_ENTRYMODE,0x1018);
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}
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else
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{
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//LCD->interface->writereg(ILI9328_REGISTER_ENTRYMODE,0x1008);
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}
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}
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void ili9328setFrame(LCD_t* LCD,uint16_t X,uint16_t Y,uint16_t W,uint16_t H)
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{
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LCD->interface->writereg(ILI9328_REGISTER_HORIZONTALGRAMADDRESSSET,(uint32_t)X);
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LCD->interface->writereg(ILI9328_REGISTER_VERTICALGRAMADDRESSSET,(uint32_t)Y);
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LCD->interface->writereg(ILI9328_REGISTER_HORIZONTALADDRESSSTARTPOSITION,(uint32_t)X);
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LCD->interface->writereg(ILI9328_REGISTER_HORIZONTALADDRESSENDPOSITION,(uint32_t)(W+X-1));
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LCD->interface->writereg(ILI9328_REGISTER_VERTICALADDRESSSTARTPOSITION,(uint32_t)Y);
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LCD->interface->writereg(ILI9328_REGISTER_VERTICALADDRESSENDPOSITION,(uint32_t)(Y+H-1));
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}
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void ili9328paint(LCD_t* LCD,void* buffer,uint16_t Xpos,uint16_t Ypos,uint16_t Width,uint16_t Height)
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{
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if((LCD!=NULL) && (LCD->interface!=NULL) && (LCD->interface->writeGRAM!=NULL) && (LCD->width>(Xpos+Width)) && (LCD->height>(Ypos+Height)))
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{
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ili9328setFrame(LCD,Xpos,Ypos,Width,Height);
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LCD->interface->writeGRAM(buffer,Width*Height);
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}
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}
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void ili9328paintFilCircMidPoint(LCD_t* LCD,uint16_t Xpos,uint16_t Ypos,uint16_t r,uint32_t contColor,uint16_t contSz,uint32_t fillColor)
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{
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if(contSz<r)
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{
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for(int i=0;i<(r/2);i++)
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{
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}
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}
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}
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void ili9328paintFilCirc(LCD_t* LCD,uint16_t Xpos,uint16_t Ypos,uint16_t r,uint32_t contColor,uint16_t contSz,uint32_t fillColor)
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{
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if(contSz<r)
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{
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uint16_t tmp1[16];
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uint16_t tmp2[16];
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int32_t rr=(r*r),rr2=((r-contSz)*(r-contSz)),contSz2,Val1,Val2,X1,W,rem;
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for(int i=0;i<16;i++)tmp1[i]=fillColor;
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for(int i=0;i<16;i++)tmp2[i]=contColor;
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/* Y = b +/- sqrt[r^2 - (x - a)^2] */
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for(int32_t line=-r;line<r;line++)
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{
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#ifdef __OPTIMIZED_MATH
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Val1 = (uint32_t)optimised_sqrt((float32_t)(rr - (line*line)) );
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Val2 = (uint32_t)optimised_sqrt((float32_t)(rr2 - (line*line)) );
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#else
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Val1 = sqrt( (double)(rr - ((line)*(line))) );
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Val2 = sqrt( (double)(rr2 - ((line)*(line))) );
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#endif
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X1=Xpos - Val1;
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contSz2= Val1-Val2;
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ili9328setFrame(LCD,X1,line+Ypos,2*Val1,1);
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rem=(contSz2)%16;
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if(rem)LCD->interface->writeGRAM(tmp2,rem);
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for(int i=rem;i<(contSz2);i+=16)
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{
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LCD->interface->writeGRAM(tmp2,16);
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}
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W=2*Val1;
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if(W>(2*contSz2))
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{
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W-=2*contSz2;
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rem=(W)%16;
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if(rem)LCD->interface->writeGRAM(tmp1,rem);
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for(int i=rem;i<(W);i+=16)
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{
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LCD->interface->writeGRAM(tmp1,16);
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}
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}
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rem=(contSz2)%16;
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if(rem)LCD->interface->writeGRAM(tmp2,rem);
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for(int i=rem;i<(contSz2);i+=16)
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{
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LCD->interface->writeGRAM(tmp2,16);
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}
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}
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}
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}
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void ili9328paintFilRect(LCD_t* LCD,uint16_t Xpos,uint16_t Ypos,uint16_t w,uint16_t h,uint32_t contColor,uint16_t contSz,uint32_t fillColor)
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{
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ili9328setFrame(LCD,Xpos,Ypos,w,h);
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uint16_t tmp[32];
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for(int i=0;i<32;i++)tmp[i]=fillColor;
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for(int i=0;i<(h*w);i+=32)
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{
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LCD->interface->writeGRAM(tmp,32);
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}
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int rem=(w*h)%32;
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if(rem)LCD->interface->writeGRAM(tmp,rem);
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if(contSz)
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{
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ili9328setFrame(LCD,Xpos,Ypos,w,contSz);
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for(int i=0;i<32;i++)tmp[i]=contColor;
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rem=(w*contSz)%32;
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if(rem)LCD->interface->writeGRAM(tmp,rem);
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for(int i=rem;i<(w*contSz);i+=32)
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{
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LCD->interface->writeGRAM(tmp,32);
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}
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ili9328setFrame(LCD,Xpos,Ypos+h-contSz,w,contSz);
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rem=(w*contSz)%32;
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if(rem)LCD->interface->writeGRAM(tmp,rem);
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for(int i=rem;i<(w*contSz);i+=32)
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{
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LCD->interface->writeGRAM(tmp,32);
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}
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ili9328setFrame(LCD,Xpos,Ypos,contSz,h);
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rem=(h*contSz)%32;
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if(rem)LCD->interface->writeGRAM(tmp,rem);
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for(int i=rem;i<(h*contSz);i+=32)
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{
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LCD->interface->writeGRAM(tmp,32);
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}
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ili9328setFrame(LCD,Xpos+w-contSz,Ypos,contSz,h);
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rem=(h*contSz)%32;
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if(rem)LCD->interface->writeGRAM(tmp,rem);
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for(int i=rem;i<(h*contSz);i+=32)
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{
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LCD->interface->writeGRAM(tmp,32);
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}
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}
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}
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void ili9328paintText(LCD_t* LCD,char* buffer,uint16_t Xpos,uint16_t Ypos,sFONT* font,uint32_t color)
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{
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int w=font->Width,h=font->Height,bpl=font->bytesPerLine,pix=0,tableoffset=0;
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uint16_t tmp[w];
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uint16_t linenum=0,charnum=0;
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uint8_t line=0;
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while(*buffer)
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{
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ili9328setFrame(LCD,Xpos+(charnum*w),Ypos-h,w,1);
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LCD->interface->readGRAM(tmp,w);
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for(int i=0;i<(h*w);i++)
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{
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if( ((i%w)==0) ) //read current line to apply text pixmap
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{
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if(linenum++>0)
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{
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ili9328setFrame(LCD,Xpos+(charnum*w),Ypos + linenum -h,w,1);
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LCD->interface->writeGRAM(tmp,w);
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ili9328setFrame(LCD,Xpos+(charnum*w),Ypos + linenum + 1-h,w,1);
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LCD->interface->readGRAM(tmp,w);
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pix=0;
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}
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}
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if((pix%8) == 0)
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{
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line=font->table[(((*buffer)-32)*h*bpl)+tableoffset++];
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}
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if((line & (uint8_t)0x01)==(uint8_t)1)tmp[pix]=(uint16_t)color;
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pix++;
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line>>=1;
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}
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linenum=0;
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tableoffset=0;
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charnum++;
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buffer++;
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}
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}
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int ili9328init(struct LCD_t* LCD)
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{
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if((LCD!=NULL) && (LCD->interface!=NULL) && (LCD->interface->writereg!=NULL))
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{
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LCD->interface->writereg(ILI9328_REGISTER_DRIVEROUTPUTCONTROL1, 0x0100); // Driver Output Control Register (R01h)
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LCD->interface->writereg(ILI9328_REGISTER_LCDDRIVINGCONTROL, 0x0700); // LCD Driving Waveform Control (R02h)
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LCD->interface->writereg(ILI9328_REGISTER_ENTRYMODE, 0x1030); // Entry Mode (R03h)
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LCD->interface->writereg(ILI9328_REGISTER_DISPLAYCONTROL2, 0x0202);
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LCD->interface->writereg(ILI9328_REGISTER_DISPLAYCONTROL3, 0x0000);
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LCD->interface->writereg(ILI9328_REGISTER_DISPLAYCONTROL4, 0x0000); // Fmark On
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LCD->interface->writereg(ILI9328_REGISTER_POWERCONTROL1, 0x0000); // Power Control 1 (R10h)
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LCD->interface->writereg(ILI9328_REGISTER_POWERCONTROL2, 0x0007); // Power Control 2 (R11h)
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LCD->interface->writereg(ILI9328_REGISTER_POWERCONTROL3, 0x0000); // Power Control 3 (R12h)
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LCD->interface->writereg(ILI9328_REGISTER_POWERCONTROL4, 0x0000); // Power Control 4 (R13h)
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delay_100us(10);
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LCD->interface->writereg(ILI9328_REGISTER_POWERCONTROL1, 0x14B0); // Power Control 1 (R10h)
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delay_100us(10);
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LCD->interface->writereg(ILI9328_REGISTER_POWERCONTROL2, 0x0007); // Power Control 2 (R11h)
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delay_100us(10);
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LCD->interface->writereg(ILI9328_REGISTER_POWERCONTROL3, 0x008E); // Power Control 3 (R12h)
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LCD->interface->writereg(ILI9328_REGISTER_POWERCONTROL4, 0x0C00); // Power Control 4 (R13h)
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LCD->interface->writereg(ILI9328_REGISTER_POWERCONTROL7, 0x0015); // NVM read data 2 (R29h)
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delay_100us(500);
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LCD->interface->writereg(ILI9328_REGISTER_GAMMACONTROL1, 0x0000); // Gamma Control 1
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LCD->interface->writereg(ILI9328_REGISTER_GAMMACONTROL2, 0x0107); // Gamma Control 2
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LCD->interface->writereg(ILI9328_REGISTER_GAMMACONTROL3, 0x0000); // Gamma Control 3
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LCD->interface->writereg(ILI9328_REGISTER_GAMMACONTROL4, 0x0203); // Gamma Control 4
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LCD->interface->writereg(ILI9328_REGISTER_GAMMACONTROL5, 0x0402); // Gamma Control 5
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LCD->interface->writereg(ILI9328_REGISTER_GAMMACONTROL6, 0x0000); // Gamma Control 6
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LCD->interface->writereg(ILI9328_REGISTER_GAMMACONTROL7, 0x0207); // Gamma Control 7
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LCD->interface->writereg(ILI9328_REGISTER_GAMMACONTROL8, 0x0000); // Gamma Control 8
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LCD->interface->writereg(ILI9328_REGISTER_GAMMACONTROL9, 0x0203); // Gamma Control 9
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LCD->interface->writereg(ILI9328_REGISTER_GAMMACONTROL10, 0x0403); // Gamma Control 10
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LCD->interface->writereg(ILI9328_REGISTER_HORIZONTALADDRESSSTARTPOSITION, 0x0000); // Window Horizontal RAM Address Start (R50h)
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LCD->interface->writereg(ILI9328_REGISTER_HORIZONTALADDRESSENDPOSITION, 240 - 1); // Window Horizontal RAM Address End (R51h)
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LCD->interface->writereg(ILI9328_REGISTER_VERTICALADDRESSSTARTPOSITION, 0X0000); // Window Vertical RAM Address Start (R52h)
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LCD->interface->writereg(ILI9328_REGISTER_VERTICALADDRESSENDPOSITION, 320 - 1); // Window Vertical RAM Address End (R53h)
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LCD->interface->writereg(ILI9328_REGISTER_DRIVEROUTPUTCONTROL2, 0xa700); // Driver Output Control (R60h)
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LCD->interface->writereg(ILI9328_REGISTER_BASEIMAGEDISPLAYCONTROL, 0x0003); // Driver Output Control (R61h) - enable VLE
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LCD->interface->writereg(ILI9328_REGISTER_PANELINTERFACECONTROL1, 0X0010); // Panel Interface Control 1 (R90h)
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// Display On
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LCD->interface->writereg(ILI9328_REGISTER_DISPLAYCONTROL1, 0x0133); // Display Control (R07h)
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delay_100us(500);
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LCD->interface->writereg(ILI9328_REGISTER_ENTRYMODE, 0x0038);
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}
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return 0;
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}
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