import

2026-05-19 11:49:22 +08:00
commit add7af4222
96 changed files with 8635 additions and 0 deletions
@@ -0,0 +1,38 @@
+#ifndef INCLUDED_DWT_DELAY_H
+#define INCLUDED_DWT_DELAY_H
+
+#ifndef INCLUDED_OS_TYPES_H
+#include <os_types.h>
+#endif /*INCLUDED_OS_TYPES_H*/
+
+#ifndef INCLUDED_OS_COMPILER_H
+#include <os_compiler.h>
+#endif /*INCLUDED_OS_COMPILER_H*/
+
+/* ------------------------------------------------------------------------------------------------------------------ */
+/*  */
+
+//寄存器基地址
+#define    DWT_CR           *(uint32_t*)0xE0001000
+#define    DWT_CYCCNT       *(uint32_t*)0xE0001004
+#define    DEM_CR           *(uint32_t*)0xE000EDFC
+
+/* ------------------------------------------------------------------------------------------------------------------ */
+/*  */
+
+OS_STATIC_FORCE_INLINE
+uint32_t DWT_Get(void){
+    return ((uint32_t )DWT_CYCCNT);
+}
+
+void DWT_Init(void);
+
+void DWT_DelayUs(uint32_t us);
+
+void DWT_DelayMs(uint32_t ms);
+
+float DTW_Time_DiffMs(volatile uint32_t start, volatile uint32_t stop);
+
+float DTW_Time_DiffUs(volatile uint32_t start, volatile uint32_t stop);
+
+#endif /*INCLUDED_DWT_DELAY_H*/