int main(void) {
PortFInit();
while (1) {
if ( (GPIO_DATA & (1 << PF4)) != 0 ) {
GPIO_DATA |= (1 << PF2);
} else {
GPIO_DATA &= ~(1 << PF2);
}
}
}
int main(void) {
// Setup
// initialize the TExaS grader lab 2
TExaS_Init(SW_PIN_PF40, LED_PIN_PF321);
PortFInit(); // initialize port F
EnableInterrupts(); // the grader uses interrupts
// Loop
while (1) {
switch_input = GPIO_PORTF_DATA_R & 0x10; // read PF4 into switch
if (!switch_input) { // zero means SW1 is pressed
GPIO_PORTF_DATA_R = 0x08; // LED is green
} else { // 0x10 means SW1 is not pressed
GPIO_PORTF_DATA_R = 0x02; // LED is red
}
Delay(); // wait 0.1 sec
GPIO_PORTF_DATA_R = 0x04; // LED is blue
Delay(); // wait 0.1 sec
}
}