/*------------------------------------------------------------------------------
--  This file is a part of the libuc, microcontroler library
--  Copyright (C) 2012, Alexis Jeandet
--
--  This program is free software; you can redistribute it and/or modify
--  it under the terms of the GNU General Public License as published by
--  the Free Software Foundation; either version 3 of the License, or
--  (at your option) any later version.
--
--  This program is distributed in the hope that it will be useful,
--  but WITHOUT ANY WARRANTY; without even the implied warranty of
--  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
--  GNU General Public License for more details.
--
--  You should have received a copy of the GNU General Public License
--  along with this program; if not, write to the Free Software
--  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA 
-------------------------------------------------------------------------------
--                 Author : Alexis Jeandet
--                   Mail : alexis.jeandet@gmail.com
-------------------------------------------------------------------------------*/
#include <ili9328.h>
#include <stdio.h>
#include <stddef.h>

#define _delay_(del) for(volatile int _d_e_l_=0;_d_e_l_<(del);_d_e_l_++);

void ili9328setGRAMaddress(LCD_t* LCD,uint16_t Haddress,uint16_t Vaddress)
{
    LCD->interface->writereg(ILI9328_REGISTER_HORIZONTALGRAMADDRESSSET,Haddress);
    LCD->interface->writereg(ILI9328_REGISTER_VERTICALGRAMADDRESSSET,Vaddress);
}

void ili9328refreshenable(struct LCD_t* LCD,int enable)
{
    if(enable)
    {
        //LCD->interface->writereg(ILI9328_REGISTER_ENTRYMODE,0x1018);
    }
    else
    {
        //LCD->interface->writereg(ILI9328_REGISTER_ENTRYMODE,0x1008);

    }
}

void ili9328setFrame(LCD_t* LCD,uint16_t X,uint16_t Y,uint16_t W,uint16_t H)
{
    printf("setFrame X=%d Y=%d W=%d H=%d\n\r",(int)X,(int)Y,(int)W,(int)H);
    LCD->interface->writereg(ILI9328_REGISTER_HORIZONTALGRAMADDRESSSET,X);
    LCD->interface->writereg(ILI9328_REGISTER_VERTICALGRAMADDRESSSET,Y);
    LCD->interface->writereg(ILI9328_REGISTER_HORIZONTALADDRESSSTARTPOSITION,X);
    LCD->interface->writereg(ILI9328_REGISTER_HORIZONTALADDRESSSTARTPOSITION,X);
    LCD->interface->writereg(ILI9328_REGISTER_HORIZONTALADDRESSENDPOSITION,W+X);
    LCD->interface->writereg(ILI9328_REGISTER_VERTICALADDRESSSTARTPOSITION,Y);
    LCD->interface->writereg(ILI9328_REGISTER_VERTICALADDRESSENDPOSITION,Y+H);
}

void ili9328paint(LCD_t* LCD,void* buffer,uint16_t Xpos,uint16_t Ypos,uint16_t Width,uint16_t Height)
{
    if((LCD!=NULL) && (LCD->interface!=NULL) && (LCD->interface->writeGRAM!=NULL) &&  (LCD->width<(Xpos+Width)) && (LCD->height<(Ypos+Height)))
    {
        printf("paint\n\r");
        ili9328setFrame(LCD,Xpos,Ypos,Width,Height);
        //ili9328setGRAMaddress(LCD,Xpos,Ypos);
        LCD->interface->writeGRAM(buffer,Width*Height);
    }
}

int ili9328init(struct LCD_t* LCD)
{
    if((LCD!=NULL) && (LCD->interface!=NULL) && (LCD->interface->writereg!=NULL))
    {
        LCD->interface->writereg(ILI9328_REGISTER_DRIVEROUTPUTCONTROL1, 0x0100);  // Driver Output Control Register (R01h)
        LCD->interface->writereg(ILI9328_REGISTER_LCDDRIVINGCONTROL, 0x0700);     // LCD Driving Waveform Control (R02h)
        LCD->interface->writereg(ILI9328_REGISTER_ENTRYMODE, 0x1030);             // Entry Mode (R03h)
        LCD->interface->writereg(ILI9328_REGISTER_DISPLAYCONTROL2, 0x0302);
        LCD->interface->writereg(ILI9328_REGISTER_DISPLAYCONTROL3, 0x0000);
        LCD->interface->writereg(ILI9328_REGISTER_DISPLAYCONTROL4, 0x0000);       // Fmark On
        LCD->interface->writereg(ILI9328_REGISTER_POWERCONTROL1, 0x0000);         // Power Control 1 (R10h)
        LCD->interface->writereg(ILI9328_REGISTER_POWERCONTROL2, 0x0007);         // Power Control 2 (R11h)
        LCD->interface->writereg(ILI9328_REGISTER_POWERCONTROL3, 0x0000);         // Power Control 3 (R12h)
        LCD->interface->writereg(ILI9328_REGISTER_POWERCONTROL4, 0x0000);         // Power Control 4 (R13h)
        _delay_(1000000);
        LCD->interface->writereg(ILI9328_REGISTER_POWERCONTROL1, 0x14B0);         // Power Control 1 (R10h)
        _delay_(500000);
        LCD->interface->writereg(ILI9328_REGISTER_POWERCONTROL2, 0x0007);         // Power Control 2 (R11h)
        _delay_(500000);
        LCD->interface->writereg(ILI9328_REGISTER_POWERCONTROL3, 0x008E);         // Power Control 3 (R12h)
        LCD->interface->writereg(ILI9328_REGISTER_POWERCONTROL4, 0x0C00);         // Power Control 4 (R13h)
        LCD->interface->writereg(ILI9328_REGISTER_POWERCONTROL7, 0x0015);         // NVM read data 2 (R29h)
        _delay_(500000);
        LCD->interface->writereg(ILI9328_REGISTER_GAMMACONTROL1, 0x0000);         // Gamma Control 1
        LCD->interface->writereg(ILI9328_REGISTER_GAMMACONTROL2, 0x0107);         // Gamma Control 2
        LCD->interface->writereg(ILI9328_REGISTER_GAMMACONTROL3, 0x0000);         // Gamma Control 3
        LCD->interface->writereg(ILI9328_REGISTER_GAMMACONTROL4, 0x0203);         // Gamma Control 4
        LCD->interface->writereg(ILI9328_REGISTER_GAMMACONTROL5, 0x0402);         // Gamma Control 5
        LCD->interface->writereg(ILI9328_REGISTER_GAMMACONTROL6, 0x0000);         // Gamma Control 6
        LCD->interface->writereg(ILI9328_REGISTER_GAMMACONTROL7, 0x0207);         // Gamma Control 7
        LCD->interface->writereg(ILI9328_REGISTER_GAMMACONTROL8, 0x0000);         // Gamma Control 8
        LCD->interface->writereg(ILI9328_REGISTER_GAMMACONTROL9, 0x0203);         // Gamma Control 9
        LCD->interface->writereg(ILI9328_REGISTER_GAMMACONTROL10, 0x0403);        // Gamma Control 10
        LCD->interface->writereg(ILI9328_REGISTER_HORIZONTALADDRESSSTARTPOSITION, 0x0000);                      // Window Horizontal RAM Address Start (R50h)
        LCD->interface->writereg(ILI9328_REGISTER_HORIZONTALADDRESSENDPOSITION, 240 - 1);   // Window Horizontal RAM Address End (R51h)
        LCD->interface->writereg(ILI9328_REGISTER_VERTICALADDRESSSTARTPOSITION, 0X0000);                        // Window Vertical RAM Address Start (R52h)
        LCD->interface->writereg(ILI9328_REGISTER_VERTICALADDRESSENDPOSITION, 320 - 1);    // Window Vertical RAM Address End (R53h)
        LCD->interface->writereg(ILI9328_REGISTER_DRIVEROUTPUTCONTROL2, 0xa700);    // Driver Output Control (R60h)
        LCD->interface->writereg(ILI9328_REGISTER_BASEIMAGEDISPLAYCONTROL, 0x0003); // Driver Output Control (R61h) - enable VLE
        LCD->interface->writereg(ILI9328_REGISTER_PANELINTERFACECONTROL1, 0X0010);  // Panel Interface Control 1 (R90h)
        // Display On
        LCD->interface->writereg(ILI9328_REGISTER_DISPLAYCONTROL1, 0x0133);     // Display Control (R07h)
        _delay_(500000);
        LCD->interface->writereg(ILI9328_REGISTER_ENTRYMODE, 0x1018);
        LCD->interface->writereg(ILI9328_REGISTER_DRIVEROUTPUTCONTROL1, 0x0100);
        //ili9328WriteCmd(ILI9328_REGISTER_WRITEDATATOGRAM);
    }
    return 0;
}