X-Git-Url: https://www.fi.muni.cz/~kas/git//home/kas/public_html/git/?a=blobdiff_plain;f=firmware%2Fmain.c;h=0fbdb1e9f804421fca1a07fe69f33d72bd0890a2;hb=a366ae18debc6e73c4946aa6290ed37c49bb1fc0;hp=a19a0ab810838ca919f28bf7779e4b80b9de822a;hpb=fda351f7f9dbf709c6aa4cc8994f1adc07407bbc;p=bike-lights.git

diff --git a/firmware/main.c b/firmware/main.c
index a19a0ab..0fbdb1e 100644
--- a/firmware/main.c
+++ b/firmware/main.c
@@ -9,8 +9,6 @@
 
 static void hw_setup()
 {
-	wdt_enable(WDTO_1S);
-
 	init_battery();
 	init_pwm();
 	init_adc();
@@ -21,6 +19,7 @@ static void hw_setup()
 	init_gpio();
 	init_ambient();
 	init_pattern();
+	init_control();
 
 	set_sleep_mode(SLEEP_MODE_IDLE);
 }
@@ -31,16 +30,18 @@ static void hw_suspend()
 	susp_adc();
 	susp_tmr();
 	susp_gpio();
+	susp_ambient();
 	susp_buttons();
-
-	wdt_disable();
 }
 
-void power_down()
+void power_down(unsigned char err)
 {
 	hw_suspend();
 
 	do {
+		if (err)
+			gpio_set(0, 1);
+
 		// G'night
 		set_sleep_mode(SLEEP_MODE_PWR_DOWN);
 		sleep_enable();
@@ -61,7 +62,18 @@ void power_down()
 
 int main(void)
 {
-	log_init();
+	unsigned char mcusr_save;
+
+	// disable the WDT if running
+	wdt_reset();
+	mcusr_save = MCUSR;
+	MCUSR = 0;
+	wdt_disable();
+
+	if (mcusr_save & _BV(WDRF)) // was watchdog reset?
+		gpio_set(0, 1);
+
+	init_log(mcusr_save);
 
 	power_usi_disable(); // Once for lifetime
 	ACSRA |= _BV(ACD);   // disable analog comparator
@@ -69,13 +81,25 @@ int main(void)
 	log_set_state(3);
 
 	hw_setup();
-	power_down();
+	power_down(mcusr_save & _BV(WDRF));
 
 	sei();
 #if 1
 	while (1) {
-		wdt_reset();
-		sleep_mode();
+		cli();
+		if (TIMER1_IS_ON()) {
+			set_sleep_mode(SLEEP_MODE_IDLE);
+		} else if (adc_is_on) {
+			set_sleep_mode(SLEEP_MODE_ADC);
+		} else {
+			set_sleep_mode(SLEEP_MODE_PWR_DOWN);
+		}
+
+		sleep_enable();
+		// keep BOD active, no sleep_bod_disable();
+		sei();
+		sleep_cpu();
+		sleep_disable();
 	}
 #endif