neocturne/avr-kbd
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Some blinking stuff

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This commit is contained in:
Matthias Schiffer 2012-12-06 19:17:46 +01:00
parent 5b3ab9f2ac
commit 9b0492d105
1 changed files with 12 additions and 2 deletions
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14
ardkbd.c
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@ -11,6 +11,9 @@ static volatile uint8_t kbd_input = 0;
static volatile uint8_t kbd_flags = 0; static volatile uint8_t kbd_flags = 0;
static volatile uint8_t ts = 10;
#define KBD_FLAG_ERROR (_BV(0)) #define KBD_FLAG_ERROR (_BV(0))
#define KBD_FLAG_BREAK (_BV(1)) #define KBD_FLAG_BREAK (_BV(1))
#define KBD_FLAG_EXT (_BV(2)) #define KBD_FLAG_EXT (_BV(2))
@ -84,10 +87,13 @@ ISR(PCINT1_vect) {
if (!(kbd_flags & KBD_FLAG_BREAK)) { if (!(kbd_flags & KBD_FLAG_BREAK)) {
switch (code) { switch (code) {
case KBD_CODE_UP: case KBD_CODE_UP:
PORTB = 0x20; if (ts > 0)
ts--;
break; break;
case KBD_CODE_DOWN: case KBD_CODE_DOWN:
if (ts < 31)
ts++;
PORTB = 0; PORTB = 0;
break; break;
} }
@ -109,8 +115,12 @@ int main(void) {
sei(); sei();
while(true) { while(true) {
PORTB ^= 0x20;
uint32_t i;
for (i = 0; i < (1 << ts); i++)
_delay_ms(1);
} }
return 0; return 0;
} }