From: Keith Packard <keithp@keithp.com>
Date: Thu, 21 Mar 2013 16:49:15 +0000 (-0700)
Subject: altos/fox: Add watchdog timer
X-Git-Tag: 1.8.6~1^2~90
X-Git-Url: https://git.gag.com/?p=fw%2Faltos;a=commitdiff_plain;h=e0c969910a516c018e64eaa73cdbe4bc2f979835

altos/fox: Add watchdog timer

Runs at 25Hz, can be enabled and disabled via the command line

Signed-off-by: Keith Packard <keithp@keithp.com>
---

diff --git a/src/fox1ihu/Makefile b/src/fox1ihu/Makefile
index 714a308b..94315e79 100644
--- a/src/fox1ihu/Makefile
+++ b/src/fox1ihu/Makefile
@@ -41,7 +41,8 @@ ALTOS_SRC = \
 	ao_usb_stm.c \
 	ao_exti_stm.c \
 	ao_adc_stm.c \
-	ao_data.c
+	ao_data.c \
+	ao_watchdog.c
 
 PRODUCT=Fox1IHU-v1
 PRODUCT_DEF=-DFOX
diff --git a/src/fox1ihu/ao_fox1ihu.c b/src/fox1ihu/ao_fox1ihu.c
index 43ae2ea8..9f7821f7 100644
--- a/src/fox1ihu/ao_fox1ihu.c
+++ b/src/fox1ihu/ao_fox1ihu.c
@@ -44,6 +44,8 @@ main(void)
 
 	ao_usb_init();
 
+	ao_watchdog_init();
+
 	ao_start_scheduler();
 	return 0;
 }
diff --git a/src/fox1ihu/ao_pins.h b/src/fox1ihu/ao_pins.h
index 09fd5e99..e73ef63a 100644
--- a/src/fox1ihu/ao_pins.h
+++ b/src/fox1ihu/ao_pins.h
@@ -244,4 +244,10 @@ struct ao_adc {
 #define AO_ADC_SQ13		AO_ADC_TEMP
 #define AO_ADC_SQ13_NAME	"temp"
 
+/* Watchdog timer */
+
+#define AO_WATCHDOG_INTERVAL	AO_MS_TO_TICKS(40)
+#define AO_WATCHDOG_PORT	(&stm_gpiod)
+#define AO_WATCHDOG_BIT		3
+
 #endif /* _AO_PINS_H_ */