From 9b0492d105154b580b04ee1d5f8eef686f23cd4a Mon Sep 17 00:00:00 2001 From: Matthias Schiffer Date: Thu, 6 Dec 2012 19:17:46 +0100 Subject: Some blinking stuff --- ardkbd.c | 14 ++++++++++++-- 1 file changed, 12 insertions(+), 2 deletions(-) diff --git a/ardkbd.c b/ardkbd.c index 1ccb156..d4515f7 100644 --- a/ardkbd.c +++ b/ardkbd.c @@ -11,6 +11,9 @@ static volatile uint8_t kbd_input = 0; static volatile uint8_t kbd_flags = 0; +static volatile uint8_t ts = 10; + + #define KBD_FLAG_ERROR (_BV(0)) #define KBD_FLAG_BREAK (_BV(1)) #define KBD_FLAG_EXT (_BV(2)) @@ -84,10 +87,13 @@ ISR(PCINT1_vect) { if (!(kbd_flags & KBD_FLAG_BREAK)) { switch (code) { case KBD_CODE_UP: - PORTB = 0x20; + if (ts > 0) + ts--; break; case KBD_CODE_DOWN: + if (ts < 31) + ts++; PORTB = 0; break; } @@ -109,8 +115,12 @@ int main(void) { sei(); while(true) { + PORTB ^= 0x20; + + uint32_t i; + for (i = 0; i < (1 << ts); i++) + _delay_ms(1); } return 0; } - -- cgit v1.2.3