l3cube 4*4 Test

l3cube_text.c

#include <avr/io.h>
#include <avr/interrupt.h>
#include <util/delay.h>


#define LED_CONFIG	(DDRD |= (1<<1))
#define CPU_PRESCALE(n)	(CLKPR = 0x80, CLKPR = (n))
#define DIT 80		/* unit time for morse code */

#define FPS 2;

int lvl_arr[4] = {0b1000,0b0100,0b0010,0b0001};
volatile int frame = 0;
int frame_arr[5][4] = {{0b1001,0b1001,0b1111,0b1001}, {0b1111,0b1000,0b1110,0b1111}, {0b1111,0b1000,0b1000,0b1000}, {0b1111,0b1000,0b1000,0b1000},{0b1111,0b1001,0b1001,0b1111}};
int main(void)
{
	int lvl;
    
	// set for 16 MHz clock, and make sure the LED is off
	CPU_PRESCALE(0);
	// set b & d ports as output
	DDRD = 255;
	DDRB = 255;
	
    TCCR1B |= (1 << WGM12); // Configure timer 1 for CTC mode 
    TIMSK1 |= (1 << OCIE1A); // Enable CTC interrupt 
    sei(); //  Enable global interrupts 
    OCR1A   = 15624/FPS; // Set CTC compare value to 1Hz at 1MHz AVR clock, with a prescaler of 64 
    
    TCCR1B |= ((1 << CS10) | (1 << CS12)); // Start timer at Fcpu/64 

    while (1) 
    {
	   for(lvl=0;lvl<=3;lvl++)
	   {
	      PORTB = lvl_arr[lvl];
	      PORTD = frame_arr[frame][lvl];
	      _delay_ms(2);
	   } 
	}
}

ISR(TIMER1_COMPA_vect) 
{ 
   frame++;
   if (frame > 4) 
   { 
      frame=0;
   }
}


/*
MAKEFILE:

# Name: Teensy Makefile
# Author: Leon Rische (@l3kn)

# This is a prototype Makefile. Modify it according to your needs.
# You should at least check the settings for
# DEVICE ....... Teensy++ 2.0
# CLOCK ........ 16 MHz
# OBJECTS ...... The object files created from your source files. This list is
#                usually the same as the list of source files with suffix ".o".
# PROGRAMMER ... Teensy Loader App

DEVICE     = at90usb1286
CLOCK      = 16000000
OBJECTS    = blinky.o

COMPILE = avr-gcc -Wall -Os -DF_CPU=$(CLOCK) -mmcu=$(DEVICE)

# symbolic targets:
all:	main.hex

.c.o:
	$(COMPILE) -c $< -o $@

.S.o:
	$(COMPILE) -x assembler-with-cpp -c $< -o $@
# "-x assembler-with-cpp" should not be necessary since this is the default
# file type for the .S (with capital S) extension. However, upper case
# characters are not always preserved on Windows. To ensure WinAVR
# compatibility define the file type manually.

.c.s:
	$(COMPILE) -S $< -o $@

flash:	all
	$(AVRDUDE) -U flash:w:main.hex:i

#fuse:
#	$(AVRDUDE) $(FUSES)

# Xcode uses the Makefile targets "", "clean" and "install"
install: flash fuse

# if you use a bootloader, change the command below appropriately:
load: all
	bootloadHID main.hex

clean:
	rm -f main.hex main.elf $(OBJECTS)

# file targets:
main.elf: $(OBJECTS)
	$(COMPILE) -o main.elf $(OBJECTS)

main.hex: main.elf
	rm -f main.hex
	avr-objcopy -j .text -j .data -O ihex main.elf main.hex
	avr-size --format=avr --mcu=$(DEVICE) main.elf
# If you have an EEPROM section, you must also create a hex file for the
# EEPROM and add it to the "flash" target.

# Targets for code debugging and analysis:
disasm:	main.elf
	avr-objdump -d main.elf

cpp:
	$(COMPILE) -E main.c

*/