int main(void)
{
//Setting the clock frequency
SysCtlClockSet(SYSCTL_SYSDIV_3 | SYSCTL_USE_PLL | SYSCTL_XTAL_16MHZ | SYSCTL_OSC_MAIN); // Refer to tm4c123gh6pm data sheet page 223
// and TivaWare™ Peripheral Driver Library refrence page: 489 for more options
// In this case the clock freq is 66.67 MHz
//Get the clock
Clock = SysCtlClockGet(); //In case you want to confirm the clock frequency
//Setup peripherals
SysCtlPeripheralEnable(SYSCTL_PERIPH_TIMER0); // enable timer0
SysCtlPeripheralEnable(SYSCTL_PERIPH_GPIOF); // enable PORTF
//set outputs
GPIOPinTypeGPIOOutput(GPIO_PORTF_BASE, (GPIO_PIN_2 | GPIO_PIN_1 | GPIO_PIN_3)); // set pins of portf as output
//Enable global interrupt
IntMasterEnable();
//Timer0 configuration
Timer0Conf();
while(1){
SysCtlSleep();
}
}
//1 oznacza brak confilktow, 0 oznacza konflikt
uint8_t checkCollision(uint8_t input) {
Element *current;
if(eatable->next == (Element*)0xEE) {
//sprawdzamy eatable
current = head;
while(current != NULL && (eatable->x != current->x || eatable->y != current->y))
current = current->next;
if(current == NULL)
return 1;
else
return 0;
}
else {
//sprawdzamy wunsza, do implementacji
//jesli wunsz zjadl eatable to eatable jest nowa glowa
//jesli wunsz nie zjadl eatable i nie wszedl w nic to zmienia wspolrzedne wunsza
switch(input) {
case 1:
head->y = (head->y+ELSIZE)%320;
break;
case 2:
head->x = (head->x+ELSIZE)%240;
break;
case 4:
head->y = (head->y-ELSIZE+320)%320;
break;
case 8:
head->x = (head->x-ELSIZE+240)%240;
}
if(head->x == eatable->x && head->y == eatable->y) {
switch(input) {
case 1:
head->y = (head->y-ELSIZE+320)%320;
break;
case 2:
head->x = (head->x-ELSIZE+240)%240;
break;
case 4:
head->y = (head->y+ELSIZE)%320;
break;
case 8:
head->x = (head->x+ELSIZE)%240;
}
eatable->next = head;
head->prev = eatable;
head = eatable;
eatable = NULL;
//DMA0ChannelConf();
Timer0Conf();
return 2;
}
else {
current = head->next;
while(current != NULL && (current->x != head->x || current->y != head->y))
current = current->next;
if(current == NULL)
return 1;
else
return 0;
}
}
}