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-rw-r--r--include/systick.h9
1 files changed, 9 insertions, 0 deletions
diff --git a/include/systick.h b/include/systick.h
index 8933a31..285b9b8 100644
--- a/include/systick.h
+++ b/include/systick.h
@@ -2,8 +2,17 @@
#include <stdint.h>
+typedef void (*systick_cb_t)(void);
+
void set_systick(uint64_t systick_value);
uint64_t get_systick();
int systick_interrupt();
+
+#define On_SysTick() \
+ static void __local_on_systick__(void); \
+ __attribute__(( \
+ __section__(".systick_callbacks"))) static volatile systick_cb_t \
+ __FILE__##__LINE__ = __local_on_systick__; \
+ static void __local_on_systick__()