Initial commit

Inc/systick.h

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+/**
+* ************************************************************************
+ *
+ * @file systick.h
+ * @author GD32
+ * @brief
+ *
+ * ************************************************************************
+ * @copyright Copyright (c) 2024 GD32
+ * ************************************************************************
+ */
+#ifndef SYS_TICK_H
+#define SYS_TICK_H
+
+#include <stdint.h>
+
+/* function declarations */
+/* configure systick */
+void systick_config(void);
+
+/* delay a time in 10 microseconds */
+void delay_10us(uint32_t count);
+
+/* delay a time in milliseconds */
+void delay_ms(uint32_t count);
+
+/* decrement delay counters */
+void delay_decrement(void);
+
+// /* delay function that doesn't interfere with SysTick interrupt */
+// void delay_ms_safe(uint32_t count);
+
+// /* delay a time in microseconds (safe version) */
+// void delay_us_safe(uint32_t count);
+
+#endif /* SYS_TICK_H */