int main(void){ uint32_t status;
PortF_Init(); // initialize PF0 and PF4 and make them inputs
// make PF3-1 out (PF3-1 built-in LEDs)
while(1){
status = PortF_Input();
switch(status){ // switches are negative logic on PF0 and PF4
case 0x01: PortF_Output(BLUE); break; // SW1 pressed
case 0x10: PortF_Output(RED); break; // SW2 pressed
case 0x00: PortF_Output(GREEN); break; // both switches pressed
case 0x11: PortF_Output(0); break; // neither switch pressed
}
}
}
/*--------------------------------------------------*-
switches_led()
if SW1 is pressed light Blue led
if SW2 is pressed light Green led
if both switches are pressed light Red led
-*--------------------------------------------------*/
void switches_leds(void){
while(1){
/*Read buttons*/
status = PortF_Input((SW2 | SW1));//this can accept 1 or more parameters
switch (status){
/*Note logic inversed 0 = switch pressed*/
case 0x00: PORTF_PORT = LED_RED;break;
case 0x01: PORTF_PORT = LED_BLUE;break;
case 0x10: PORTF_PORT = LED_GREEN;break;
case 0x11: PORTF_PORT = 0x00;break;
}
}
}
