Created
April 1, 2011 04:20
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#include <avr/io.h> | |
#include <avr/wdt.h> | |
#include <avr/eeprom.h> | |
#include <util/delay.h> | |
uint8_t red = 0; | |
uint8_t green = 0; | |
uint8_t blue = 0; | |
uint16_t ee_program __attribute__((section(".eeprom"))) = 0; | |
void pulse() | |
{ | |
if ((PINB & (1 << PB3)) == 0) | |
{ | |
while ((PINB & (1 << PB3)) == 0) { | |
// Wait for button up | |
} | |
_delay_ms(100); | |
uint8_t program = eeprom_read_byte(&ee_program); | |
program++; | |
if (program == 3) { | |
program = 0; | |
} | |
eeprom_write_byte(&ee_program, program); | |
wdt_enable(WDTO_15MS); | |
while (1) { | |
// Loop until the WDT fails and does a reset | |
} | |
} | |
if (red) { | |
PORTB |= (1 << PB0); | |
} | |
if (green) { | |
PORTB |= (1 << PB1); | |
} | |
if (blue) { | |
PORTB |= (1 << PB2); | |
} | |
for (uint8_t i = 0; i < 100; i++) | |
{ | |
if (i == red) { | |
PORTB &= ~(1 << PB0); | |
} | |
if (i == green) { | |
PORTB &= ~(1 << PB1); | |
} | |
if (i == blue) { | |
PORTB &= ~(1 << PB2); | |
} | |
_delay_us(5); | |
} | |
} | |
void program0() | |
{ | |
uint8_t n = 8; | |
// To red | |
for (uint8_t i = 0; i < n*8; i++) { | |
red++; | |
for (int j = 0; j < n; j++) { | |
pulse(); | |
} | |
} | |
for (uint8_t i = 0; i < n * 8; i++) { | |
pulse(); | |
} | |
while (1) | |
{ | |
// red to blue | |
for (uint8_t i = 0; i < n*8; i++) { | |
red--; | |
blue++; | |
for (int j = 0; j < n; j++) { | |
pulse(); | |
} | |
} | |
for (uint8_t i = 0; i < n*8; i++) { | |
pulse(); | |
} | |
// blue to green | |
for (uint8_t i = 0; i < n*8; i++) { | |
blue--; | |
green++; | |
for (int j = 0; j < n; j++) { | |
pulse(); | |
} | |
} | |
for (uint8_t i = 0; i < n*8; i++) { | |
pulse(); | |
} | |
// green to red | |
for (uint8_t i = 0; i < n*8; i++) { | |
green--; | |
red++; | |
for (int j = 0; j < n; j++) { | |
pulse(); | |
} | |
} | |
for (uint8_t i = 0; i < n*8; i++) { | |
pulse(); | |
} | |
} | |
} | |
void program1() | |
{ | |
while (1) { | |
for (uint8_t i = 0; i < 255; i++) { | |
red = 99; green = 0; blue = 0; | |
pulse(); | |
} | |
for (uint8_t i = 0; i < 255; i++) { | |
red = 0; green = 99; blue = 0; | |
pulse(); | |
} | |
for (uint8_t i = 0; i < 255; i++) { | |
red = 0; green = 0; blue = 99; | |
pulse(); | |
} | |
} | |
} | |
void program2() | |
{ | |
red = green = blue = 0; | |
while (1) { | |
for (uint8_t i = 0; i < 100; i++) { | |
red++; | |
pulse(); | |
} | |
for (uint8_t i = 0; i < 100; i++) { | |
red--; | |
pulse(); | |
} | |
} | |
} | |
int main(void) | |
{ | |
DDRB = (1 << PB0) | (1 << PB1) | (1 << PB2); | |
MCUSR = 0; | |
wdt_disable(); | |
uint8_t program = eeprom_read_byte(&ee_program); | |
if (program > 2) { | |
program = 0; | |
eeprom_write_byte(&ee_program, program); | |
} | |
switch (program) { | |
case 0: | |
program0(); | |
break; | |
case 1: | |
program1(); | |
break; | |
case 2: | |
program2(); | |
break; | |
} | |
return 0; | |
} |
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