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#include "../config.h"
#include "../makros.h"
#include "../ioport.h"
#include <avr/interrupt.h>
#include <avr/io.h>
#include <avr/wdt.h>
#include "borg_hw.h"
//Der Puffer, in dem das aktuelle Bild gespeichert wird
unsigned char pixmap[NUMPLANE][NUM_ROWS][LINEBYTES];
//Eine Zeile anzeigen
inline void rowshow(unsigned char row){
//die Daten f�r die aktuelle Zeile auf die Spaltentreiber ausgeben
COLPORT1 = pixmap[0][row][0];
COLPORT2 = pixmap[0][row][1];
OUTPUT_ON(LATCH_R);
OUTPUT_OFF(LATCH_R);
COLPORT1 = pixmap[1][row][0];
COLPORT2 = pixmap[1][row][1];
OUTPUT_ON(LATCH_G);
OUTPUT_OFF(LATCH_G);
COLPORT1 = pixmap[2][row][0];
COLPORT2 = pixmap[2][row][1];
OUTPUT_ON(LATCH_B);
OUTPUT_OFF(LATCH_B);
}
uint32_t mod = 1280000ul;
uint32_t akku;
unsigned char row = 0;
ISR(SIG_OUTPUT_COMPARE0)
{
//Watchdog zur�cksetzen
wdt_reset();
akku += mod;
OCR1A = akku / 256;
rowshow(row);
if(++row == NUM_ROWS){
row = NUM_ROWS - 1;
}
}
ISR(INT0_vect){
if(akku > (64ul * 256ul * 64ul)){
akku -= OCR1A - TCNT1;
mod = akku / 64;
akku = 0;
row = 0;
OCR1A = 0;
TCNT1 = 0xffff;
}
}
void timer0_off(){
cli();
TCCR1B = 0x00;
sei();
}
// Den Timer, der denn Interrupt ausl�st, initialisieren
void timer1_on(){
TCCR1B = 1; //clk/1
TIMSK |= (1<<OCIE1A);
}
void borg_hw_init(){
DDR(COLPORT1) = 0xff;
DDR(COLPORT2) = 0xff;
SET_DDR(LATCH_R);
SET_DDR(LATCH_G);
SET_DDR(LATCH_B);
timer1_on();
//Watchdog Timer aktivieren
wdt_reset();
wdt_enable(0x00); // 17ms Watchdog
}