first commit

2025-11-30 04:47:14 +06:00
commit dc5194f1c8
16 changed files with 2599 additions and 0 deletions
--- a/inc/systick.h
+++ b/inc/systick.h
@@ -0,0 +1,19 @@
+#ifndef SYSTICK_H
+#define SYSTICK_H
+
+#include <stdint.h>
+
+#include "ch32fun.h"
+#include "ch32v20xhw.h"
+
+#define SYSTICK_ONE_MILLISECOND ((uint32_t)FUNCONF_SYSTEM_CORE_CLOCK / 1000)
+#define SYSTICK_ONE_MICROSECOND ((uint32_t)FUNCONF_SYSTEM_CORE_CLOCK / 1000000)
+
+extern volatile uint32_t systick_millis;
+
+#define millis() (systick_millis)
+#define micros() (SysTick->CNT / SYSTICK_ONE_MICROSECOND)
+
+void systick_init(void);
+
+#endif  // SYSTICK_H