X-Git-Url: https://www.fi.muni.cz/~kas/git//home/kas/public_html/git/?p=tinyboard.git;a=blobdiff_plain;f=projects%2Fstep-up%2Fwdt.c;h=cb94ec8bc5260b054170404846ef50f61ead66ea;hp=050c0c550f5c762242a345fbb80e81db5915f2c3;hb=HEAD;hpb=56ad7e84d0f55301169aa2c9e8f80f0c871f63da

diff --git a/projects/step-up/wdt.c b/projects/step-up/wdt.c
index 050c0c5..cb94ec8 100644
--- a/projects/step-up/wdt.c
+++ b/projects/step-up/wdt.c
@@ -6,7 +6,7 @@
 
 void init_wdt()
 {
-	wdt_enable(WDTO_1S);
+	WDTCR = _BV(WDIE) | _BV(WDP1); // interrupt mode, 64 ms
 }
 
 void susp_wdt()
@@ -14,3 +14,19 @@ void susp_wdt()
 	wdt_disable();
 }
 
+ISR(WDT_vect) {
+	++jiffies;
+
+	if (pwm_enabled) {
+		need_pwmled_adc = 1;
+	}
+
+	if (jiffies & 0x000F) {
+		need_battery_adc = 1; // about every 1s
+	}
+
+	patterns_next_tick();
+	timer_check_buttons();
+	if (!adc_enabled)
+		start_next_adc(); // only if not running
+}