localhorst/lezyne-rear-light-firmware
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toggle PA1 and PA2

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This commit is contained in:
Hendrik Schutter
2025-08-20 13:27:07 +02:00
parent aea5f49fcc
commit b398167680
1 changed files with 10 additions and 0 deletions
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10
main.c
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@ -2,6 +2,8 @@
#include <util/delay.h>
#define PA3_SET_MASK 0x08
#define PA2_SET_MASK 0x04
#define PA1_SET_MASK 0x02
int main(void)
{
@ -10,9 +12,17 @@ int main(void)
// Configure PA3 as output (Pin 7 on ATTINY202-SSN)
VPORTA.DIR |= PA3_SET_MASK;
// Configure PA2 as output (Pin 5 on ATTINY202-SSN)
VPORTA.DIR |= PA2_SET_MASK;
// Configure PA1 as output (Pin 4 on ATTINY202-SSN)
VPORTA.DIR |= PA1_SET_MASK;
while (1)
{
VPORTA.OUT ^= PA3_SET_MASK; // toggle PA3
VPORTA.OUT ^= PA2_SET_MASK; // toggle PA2
VPORTA.OUT ^= PA1_SET_MASK; // toggle PA1
_delay_ms(500);
}
}