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GymPal
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Added blink script.

This commit is contained in:
Andrew Lalis 2022-12-02 11:45:33 +01:00
parent 38cd2efb0a
commit e480b46e47
1 changed files with 10 additions and 6 deletions
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16
src/gympal.c
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@ -1,15 +1,19 @@
#include <avr/io.h>
#include <util/delay.h>
void updatePin12(uint8_t status) {
PORTB = status << PORTB4;
}
int main() {
// Pin 12 == Port B4, aka 4th bit on the B register.
// Set pin 12 as output.
DDRB = 1 << PORTB4;
// Set pin 12 as HIGH.
PORTB = 1 << PORTB4;
// Delay for 1 second.
_delay_ms(1000.0);
// Set pin 12 as LOW.
PORTB = 0 << PORTB4;
uint8_t ledOn = 1;
while (1) {
updatePin12(ledOn);
ledOn = !ledOn;
_delay_ms(1000.0);
}
return 0;
}