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had_fubarino_contest.c
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had_fubarino_contest.c
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#define F_CPU 1000000
#include <avr/io.h>
#include <util/delay.h>
#include "KS0108.h"
#include "font32x48-numerals.h"
#include "skull.h"
unsigned char hours_tens;
unsigned char hours_ones;
unsigned char minutes_tens;
unsigned char minutes_ones;
unsigned char seconds_tens;
unsigned char seconds_ones;
void WriteBigChar(char num, char x_start, char y_start);
void ShowBigTime(char hten, char hone, char mten, char mone);
void IncSecond(void);
void Delay_ms(int cnt) {
while (cnt-->0) {
_delay_ms(1);
}
}
int main(void)
{
hours_tens = 1;
hours_ones = 3;
minutes_tens = 3;
minutes_ones = 6;
seconds_tens = 4;
seconds_ones = 9;
GLCD_Initalize();
GLCD_ClearScreen();
/*//Draw the Hackaday Logo:
GLCD_GoTo(0,0);
for (unsigned char j=0; j<8; j++)
{
GLCD_GoTo(0,j);
for (unsigned char i=0; i<64; i++)
{
GLCD_WriteData(skull[i+(j*64)]);
}
}
*/
while(1)
{
//FIXME: Optimize so we don't redraw the entire screen every second.
ShowBigTime(hours_tens, hours_ones, minutes_tens, minutes_ones);
GLCD_GoTo(0,7);
//Easter Egg:
if ((hours_tens == 1) && (hours_ones == 3) && (minutes_tens == 3) && (minutes_ones == 7))
{
//Display Hackaday URL when time is 13:37
GLCD_WriteString(" http://hackaday.com ");
}
else
{
//Display Day, Date, and Seconds
GLCD_WriteString("Tuesday 12/3/2013 ");
GLCD_WriteChar(seconds_tens+48); //ASCII offset
GLCD_WriteChar(seconds_ones+48); //ASCII offset
}
IncSecond();
//FIXME: This should be a hardware timer for accuracy
//FIXME: This should use an RTC for accuracy
Delay_ms(1000);
}
}
void IncSecond(void)
{
if (++seconds_ones > 9)
{
seconds_ones = 0;
if (++seconds_tens > 5)
{
seconds_tens = 0;
if (++minutes_ones > 9)
{
minutes_ones = 0;
if (++minutes_tens > 5)
{
minutes_tens = 0;
if ((hours_ones == 9) && (hours_tens < 2))
{
// gone past 09:59 or gone past 19:59
hours_ones = 0;
++hours_tens;
}
else if ((hours_ones == 3) && (hours_tens == 2))
{
// gone past 23:59
hours_ones = 0;
hours_tens = 0;
}
else
{
// increment won't cause us to "go round the bend"
++hours_ones;
}
}
}
}
}
}
void ShowBigTime(char hten, char hone, char mten, char mone)
{
WriteBigChar(hten,0,0);
WriteBigChar(hone,32,0);
WriteBigChar(mten,64,0);
WriteBigChar(mone,96,0);
GLCD_GoTo(63,4);
GLCD_WriteData(0b0001100);
GLCD_WriteData(0b0001100);
GLCD_GoTo(63,2);
GLCD_WriteData(0b0001100);
GLCD_WriteData(0b0001100);
}
void WriteBigChar(char num, char x_start, char y_start)
{
for (char i = 0; i < 6; i++)
{
GLCD_GoTo(x_start,(y_start + i));
for (char col_marker = 0; col_marker < 32; col_marker++)
{
GLCD_WriteData(
GLCD_ReadByteFromROMMemory(
(char *)((int)big_font + ((col_marker * 6) + (5 - i) + (num * 192)))
)
);
}
}
}