scheduler added, tuned for 1ms

sound-driver/scheduler.h

@@ -0,0 +1,29 @@
+#ifndef PONTCOOPSCHEDULER_H_
+#define PONTCOOPSCHEDULER_H_
+
+
+#include <stdint.h>
+
+
+
+#define MAX_NUM_OF_TASKS 2
+
+
+typedef struct {
+  uint16_t delay;
+  uint16_t period;
+  uint8_t run;
+  void (*exec)(void *handle);
+  void *handle;
+} tTask;
+
+
+void schInit();
+void schAdd(void (*exec)(void *), void *handle, uint32_t delay, uint32_t period);
+void schDel(void (*exec)(void *), void *handle);
+void schExec();
+void schUpdate();
+uint8_t schTaskCnt();
+
+
+#endif /* PONTCOOPSCHEDULER_H_ */