- finish implementation of timers based on PIT

- add [untested] code for timer-based LED blink codes


git-svn-id: https://svn.openpcd.org:2342/trunk@242 6dc7ffe9-61d6-0310-9af1-9938baff3ed1

1 files changed, 16 insertions, 0 deletions

diff --git a/firmware/src/os/pit.h b/firmware/src/os/pit.h
index 92426e9..e941aeb 100644
--- a/firmware/src/os/pit.h
+++ b/firmware/src/os/pit.h
@@ -1,6 +1,22 @@
 #ifndef _PIT_H
 #define _PIT_H
 
+#include <sys/types.h>
+
+/* This API (but not the code) is modelled after the Linux API */
+
+struct timer_list {
+	struct timer_list *next;
+	unsigned long expires;
+	void (*function)(void *data);
+	void *data;
+};
+
+extern unsigned long jiffies;
+
+extern void timer_add(struct timer_list *timer);
+extern int timer_del(struct timer_list *timer);
+
 extern void pit_init(void);
 extern void pit_mdelay(u_int32_t ms);