// Built with BFTC Rev. 1.0.0, mer 20 agosto 2014 11:09:24

/*

    Copyright 2014 Digital Technology Art SRL

    This file is part of Blackfin Toolchain (BFTC) project.

    BFTC 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.

    BFTC 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 Nome-Programma.  If not, see <http://www.gnu.org/licenses/>.

*/

#include "main.h"

#include <stdlib.h>

unsigned randx(unsigned val)

{

return Get_TimerCounter(TIMER_0) * 0x1961957 + val;

}

gCOL const colorIndex[16] ={TFT_BLACK,

TFT_NAVY,

TFT_DARK_GREEN,

TFT_DARK_CYAN,

TFT_MAROON,

TFT_PURPLE,

TFT_OLIVE,

TFT_LIGHT_GRAY,

TFT_DARK_GRAY,

TFT_BLUE,

TFT_GREEN,

TFT_CYAN,

TFT_RED,

TFT_MAGENTA,

TFT_YELLOW,

TFT_WHITE

};

void TFT_ColorTest()

{

unsigned int i,j;

Set_TFThome();

// Draw vertical stripes

for(i = 0; i < 320; i++)

{

for(j = 0; j < 240; j++)

{

if(i > 279) Set_TFTdata16(TFT_BLACK);

else if(i > 239) Set_TFTdata16(TFT_BLUE);

else if(i > 199) Set_TFTdata16(TFT_GREEN);

else if(i > 159) Set_TFTdata16(TFT_CYAN);

else if(i > 119) Set_TFTdata16(TFT_RED);

else if(i > 79) Set_TFTdata16(TFT_MAGENTA);

else if(i > 39) Set_TFTdata16(TFT_YELLOW);

else Set_TFTdata16(TFT_WHITE);

}

}

}

void CLineDemo()

{

gInt x0, y0;

gInt x1, y1;

gInt color;

gInt no;

const gInt CENTER_X = 160;

const gInt CENTER_Y = 120;

Set_TFThome(); // Set display window to maximum size

for(no = 0; no < 5000; no++)

{

x0 = randx(x0) % 320;

y0 = randx(y0) % 160;

color = no % 16;

x1 = 2 * CENTER_X - x0;

y1 = 2 * CENTER_Y - y0;

gxLine(x0, y0, x1, y1, colorIndex[color]);

}

gxClear(TFT_BLACK);

}

void CRectangleFilledDemo()

{

gInt x0, y0;

gInt x1, y1;

gInt color;

gInt no;

for(no = 0; no < 500; no++)

{

x0 = randx(x0) % 160;

y0 = randx(y0) % 120;

color = no % 16;

x1 = x0 + randx(x1) % 160;

y1 = y0 + randx(y1) % 120;

gxRectFilled(x0, y0, x1, y1, colorIndex[color]);

}

gxClear(TFT_BLACK);

}

void CRectangleDemo()

{

gInt x0, y0;

gInt x1, y1;

gInt color;

gInt no;

for(no = 0; no < 5000; no++)

{

x0 = randx(x0) % 160;

y0 = randx(y0) % 120;

color = no % 16;

x1 = x0 + randx(x1) % 160;

y1 = y0 + randx(y1) % 120;

gxRect(x0, y0, x1, y1, colorIndex[color]);

}

gxClear(TFT_BLACK);

}

void CCircleDemo()

{

gInt x0, y0;

gInt radius;

gInt color;

gInt no;

for(no = 0; no < 2000; no++)

{

x0 = randx(x0) % 240;

y0 = randx(y0) % 320;

color = no % 16;

radius = randx(radius) % 100;

gxCircle(x0, y0, radius, colorIndex[color]);

}

gxClear(TFT_BLACK);

}

void TextDemo()

{

char buf[32];

int i;

gxClear(TFT_BLACK);

for(i = 0; i < 200; i++)

{

sprintf(buf, "COUNT = %04d", i);

gxFontColorSize(TFT_YELLOW, TFT_BLACK, 1, 1);

gxPutString(5, 10, buf);

gxFontColorSize(TFT_BLACK, TFT_YELLOW, 1, 1);

gxPutString(85, 10, buf);

gxFontColorSize(TFT_BLUE, TFT_WHITE, 1, 1);

gxPutString(165, 10, buf);

gxFontColorSize(TFT_BLACK, TFT_GREEN, 1, 1);

gxPutString(245, 10, buf);

gxFontColorSize(TFT_YELLOW, TFT_BLACK, 1, 1);

gxPutString(5, 20, buf);

gxFontColorSize(TFT_BLACK, TFT_YELLOW, 1, 1);

gxPutString(85, 20, buf);

gxFontColorSize(TFT_BLUE, TFT_WHITE, 1, 1);

gxPutString(165, 20, buf);

gxFontColorSize(TFT_BLACK, TFT_GREEN, 1, 1);

gxPutString(245, 20, buf);

}

gxClear(TFT_BLACK);

}

void TextDemoVarSize()

{

char buf[32];

int i, xs, ys;

for(ys = 1; ys < 5; ys++)

for(xs = 1; xs < 5; xs++)

{

gxClear(TFT_BLACK);

gxFontColorSize(TFT_WHITE, TFT_BLACK, 1, 1);

sprintf(buf, "X SIZE = %d, Y SIZE = %d", xs, ys);

gxPutString(10, 10, buf);

gxFontColorSize(TFT_GREEN, TFT_BLACK, xs, ys);

for(i = 0; i < 100; i++)

{

sprintf(buf, "COUNT = %04d", i);

gxPutString(10, 150, buf);

}

}

gxClear(TFT_BLACK);

}

void Title()

{

char buf[32];

int i, n;

int size = 27;

sprintf(buf, "... DEMO TFT Sharkduino ...");

gxClear(TFT_BLACK);

gxFontColorSize(TFT_WHITE, TFT_BLACK, 4, 4);

for(n = 0; n < size; n++)

{

i = size - n - 1;

gxPutString(10, 120, &buf[i]);

DelayUs(150000);

}

for(n = 0; n < size; n++)

{

// Shift by one

for(i = 1; i < size; i++)

buf[size - i] = buf[size - i - 1];

buf[0] = ' ';

gxPutString(10, 120, buf);

DelayUs(150000);

}

}

int main(void)

{

Set_PLL(16, 4); // CORE: 25MHz * 16 = 400MHz, SCLK: 400MHz / 4 = 100MHz

Set_Port(); // Set the port according to project set

Set_Uart0(115200); // printf is redirected to UART0

Set_TimerCounter(TIMER_0);

Set_TimerEnable(TIMER_0, true);

Set_SPI(SPI_PP);

Set_ExpansionPort(0xF0);

Set_TFTlightPower(true);

Set_TFTlight(15);

Set_SPI(SPI_TFT);

Set_TFTinit();

while(1) // Main loop

{

Title();

TFT_ColorTest();

CRectangleFilledDemo();

CLineDemo();

CRectangleDemo();

CCircleDemo();

TextDemo();

TextDemoVarSize();

}

return 0;

}