int main(void)
{
int x, y;
char c;
char custom_char[] = {0x01, 0x03, 0x03, 0x07, 0x07, 0x0F, 0x0F, 0x1F};
lcd_init();
lcd_on();
c = 0x1F;
lcd_custom_char(0, custom_char);
while(1){
for(y = 0; y < 2; y++) {
c++;
if(c > 0xFE)
c = 0x1F;
for(x = 0; x < 16; x++) {
lcd_moveto(x,y);
//lcd_write(c);
lcd_write(0x00);
}
}
//lcd_clear();
_delay_ms(500);
}
return 0; /* never reached */
}
int main(void) {
unsigned char new_state, old_state;
unsigned char a, b;
int count = 0; // Count to display
char count_str[30];
int note;
// Initialize DDR and PORT registers and LCD
DDRC &= ~(1<<1) | ~(1<<5);
DDRB |= (1<<4);
PORTC |= (1<<1) | (1<<5);
lcd_init();
// Write a splash screen to the LCD
lcd_writecommand(1);
lcd_stringout("Melissa Ahn");
// Use lcd_moveto to start at an appropriate column
//in the bottom row to appear centered
lcd_moveto(1, 4);
lcd_stringout("ee109 Lab7");
// Delay 1 second
_delay_ms(1000);
lcd_writecommand(1);
// Read the A and B inputs to determine the initial state
// Warning: Do NOT read A and B separately. You should read BOTH inputs
// at the same time, then determine the A and B values from that value.
lcd_moveto(0, 0);
lcd_writedata(count);
unsigned char temp = PORTC;
b = temp & (1<< 5);
a = temp & (1<< 1);
if (!b && !a)
old_state = 0;
else if (!b && a)
old_state = 1;
else if (b && !a)
old_state = 2;
else
old_state = 3;
new_state = old_state;
while (1) {
/*unsigned char i;
for (i = 0; i < 8; i++) {
play_note(frequency[i]);
_delay_ms(200);
}*/
// Read the input bits and determine A and B
temp = PINC;
b = temp & (1<< 5);
a = temp & (1<< 1);
if (old_state == 0) {
// Handle A and B inputs for state 0
if (!b && a)
new_state = 1;
else if (b && !a)
new_state = 3;
}
else if (old_state == 1) {
// Handle A and B inputs for state 1
if (b && a)
new_state = 2;
else if (!b && !a)
new_state = 0;
}
else if (old_state == 2) {
// Handle A and B inputs for state 2
if (b && !a)
new_state = 3;
else if (!b && a)
new_state = 1;
}
else { // old_state = 3
// Handle A and B inputs for state 3
if (!b && !a)
new_state = 0;
else if (b && a)
new_state = 2;
}
if (new_state != old_state) { // Did state change?
// Output count to LCD
if (new_state > old_state)
count++;
else
count--;
lcd_writecommand(1);
snprintf(count_str, 30, "%03d", count);
lcd_stringout(count_str);
old_state = new_state;
// Do we play a note?
if ((count % 8) == 0) {
// Determine which note (0-7) to play
note = (abs(count) % 64) / 8;
// Find the frequency of the note
unsigned short freq = frequency[note];
// Call play_note and pass it the frequency
play_note(freq);
}
}
}
}
int main(void)
{
unsigned char adc_result;
// Initialize the LCD
lcd_init();
// Initialize the ADC
adc_init(3);
// Use the ADC to find a seed for rand();
adc_result = adc_sample();
srand(adc_result << 8 | adc_result); // Make a 16-bit number for srand()
// Write splash screen
lcd_writecommand(1);
lcd_stringout("Melissa Ahn");
// Use lcd_moveto to start at an appropriate column
//in the bottom row to appear centered
lcd_moveto(1, 4);
lcd_stringout("ee109 Lab6");
// Delay 1 second
_delay_ms(1000);
// Find a random initial position of the 'X'
// n = 16; returns a value 0 - 15
int pos_x = rand() % 16;
// Display the 'X' on the screen
lcd_writecommand(1);
lcd_moveto(0, pos_x);
lcd_writedata('X');
//initializes carrot's position
int pos_carrot = adc_sample() / 16;//rounds down
int second_counter = 0;
lcd_moveto(1, pos_carrot);
lcd_writedata('^');
while (1) // Loop forever
{
// Do a conversion
int new_pos_carrot = adc_sample() / 16;
// Move '^' to new position
if (pos_carrot != new_pos_carrot)
{
lcd_moveto(1, pos_carrot);
lcd_writedata(' ');
lcd_moveto(1, new_pos_carrot);
lcd_writedata('^');
pos_carrot = new_pos_carrot;
}
// Delay
_delay_ms(10);
// Check if '^' is aligned with 'X'
if (pos_carrot == pos_x)
{
second_counter++; //increase 10ms counter
}
else
{
second_counter = 0; //reset to 0
}
if (second_counter != 0 && second_counter % 200 == 0)
{
lcd_moveto(1, 0);
lcd_stringout("You won!!!");
while(1){} //infinite loop; game ends
}
}
return 0; /* never reached */
}