From 56ad7e84d0f55301169aa2c9e8f80f0c871f63da Mon Sep 17 00:00:00 2001
From: "Jan \"Yenya\" Kasprzak" <kas@fi.muni.cz>
Date: Fri, 10 May 2013 13:44:11 +0200
Subject: [PATCH] Watchdog handling moved to its own source file

---
 projects/step-up/Makefile |  2 +-
 projects/step-up/lights.h |  4 ++++
 projects/step-up/main.c   |  6 +++---
 projects/step-up/wdt.c    | 16 ++++++++++++++++
 4 files changed, 24 insertions(+), 4 deletions(-)
 create mode 100644 projects/step-up/wdt.c

diff --git a/projects/step-up/Makefile b/projects/step-up/Makefile
index 0e9b728..07bb151 100644
--- a/projects/step-up/Makefile
+++ b/projects/step-up/Makefile
@@ -1,7 +1,7 @@
 
 PROGRAM=lights
 SRC=main.c logging.c pwm.c adc.c pwmled.c pattern.c buttons.c control.c \
-	battery.c
+	battery.c wdt.c
 OBJ=$(SRC:.c=.o)
 
 
diff --git a/projects/step-up/lights.h b/projects/step-up/lights.h
index 7a268ef..6318c56 100644
--- a/projects/step-up/lights.h
+++ b/projects/step-up/lights.h
@@ -75,6 +75,10 @@ pattern_t *status_led_pattern_select();
 #define ERR_PWMLED  2
 void set_error(unsigned char err);
 
+/* wdt.c */
+void init_wdt();
+void susp_wdt();
+
 /* main.c */
 void power_down();
 
diff --git a/projects/step-up/main.c b/projects/step-up/main.c
index 69657a8..1ac5403 100644
--- a/projects/step-up/main.c
+++ b/projects/step-up/main.c
@@ -11,11 +11,10 @@ static void hw_setup()
 {
 	power_all_disable();
 
-	wdt_enable(WDTO_1S);
-
 	init_battery();
 	init_pwm();
 	init_adc();
+	init_wdt();
 
 	init_buttons();
 
@@ -30,9 +29,10 @@ static void hw_suspend()
 {
 	susp_pwm();
 	susp_adc();
+	susp_wdt();
+
 	susp_buttons();
 
-	wdt_disable();
 	power_all_disable();
 }
 
diff --git a/projects/step-up/wdt.c b/projects/step-up/wdt.c
new file mode 100644
index 0000000..050c0c5
--- /dev/null
+++ b/projects/step-up/wdt.c
@@ -0,0 +1,16 @@
+#include <avr/io.h>
+#include <avr/interrupt.h>
+#include <avr/wdt.h>
+
+#include "lights.h"
+
+void init_wdt()
+{
+	wdt_enable(WDTO_1S);
+}
+
+void susp_wdt()
+{
+	wdt_disable();
+}
+
-- 
2.39.3