arm9 OS_tick

1 files changed, 32 insertions, 0 deletions

diff --git a/arm9/lib/include/OS_timer.h b/arm9/lib/include/OS_timer.h
new file mode 100644
index 00000000..8b2a97a9
--- /dev/null
+++ b/arm9/lib/include/OS_timer.h
@@ -0,0 +1,32 @@
+#ifndef POKEDIAMOND_OS_TIMER_H
+#define POKEDIAMOND_OS_TIMER_H
+
+#include "consts.h"
+
+typedef enum
+{
+    OS_TIMER_PRESCALER_1 = (0UL << REG_OS_TM0CNT_H_PS_SHIFT),
+    OS_TIMER_PRESCALER_64 = (1UL << REG_OS_TM0CNT_H_PS_SHIFT),
+    OS_TIMER_PRESCALER_256 = (2UL << REG_OS_TM0CNT_H_PS_SHIFT),
+    OS_TIMER_PRESCALER_1024 = (3UL << REG_OS_TM0CNT_H_PS_SHIFT)
+} OSTimerPrescaler;
+
+typedef enum
+{
+    OS_TIMER_0 = 0,
+    OS_TIMER_1 = 1,
+    OS_TIMER_2 = 2,
+    OS_TIMER_3 = 3
+} OSTimer;
+
+static inline void OS_SetTimerCount(OSTimer id, u16 count)
+{
+    *((REGType16 *)((u32)&reg_OS_TM0CNT_L + id * 4)) = count;
+}
+
+static inline void OS_SetTimerControl(OSTimer id, u16 control)
+{
+    *((REGType16 *)((u32)&reg_OS_TM0CNT_H + id * 4)) = control;
+}
+
+#endif //POKEDIAMOND_OS_TIMER_H