From 581ed93e1df5a1e445daa8acebe944a279c8b795 Mon Sep 17 00:00:00 2001
From: "NOTE-MARKUS\\Markus" <pichlerbi76568@th-nuernberg.de>
Date: Thu, 20 May 2021 17:45:51 +0200
Subject: [PATCH] SCR
---
Core/Inc/DWT_Delay.h | 40 ++++++++++++++++++++++++++++++++++++++++
1 file changed, 40 insertions(+)
create mode 100644 Core/Inc/DWT_Delay.h
diff --git a/Core/Inc/DWT_Delay.h b/Core/Inc/DWT_Delay.h
new file mode 100644
index 0000000..ee7442b
--- /dev/null
+++ b/Core/Inc/DWT_Delay.h
@@ -0,0 +1,40 @@
+/*
+ * File: DWT_Delay.h
+ * Driver Name: [[ DWT Delay ]]
+ * SW Layer: ECUAL
+ * Created on: Jun 28, 2020
+ * Author: Khaled Magdy
+ * -------------------------------------------
+ * For More Information, Tutorials, etc.
+ * Visit Website: www.DeepBlueMbedded.com
+ *
+ */
+
+#ifndef DWT_DELAY_H_
+#define DWT_DELAY_H_
+
+#include "stm32f4xx_hal.h"
+
+
+uint32_t DWT_Delay_Init(void);
+
+
+// This Function Provides Delay In Microseconds Using DWT
+__STATIC_INLINE void DWT_Delay_us(volatile uint32_t au32_microseconds)
+{
+ uint32_t au32_initial_ticks = DWT->CYCCNT;
+ uint32_t au32_ticks = (HAL_RCC_GetHCLKFreq() / 1000000);
+ au32_microseconds *= au32_ticks;
+ while ((DWT->CYCCNT - au32_initial_ticks) < au32_microseconds-au32_ticks);
+}
+
+// This Function Provides Delay In Milliseconds Using DWT
+__STATIC_INLINE void DWT_Delay_ms(volatile uint32_t au32_milliseconds)
+{
+ uint32_t au32_initial_ticks = DWT->CYCCNT;
+ uint32_t au32_ticks = (HAL_RCC_GetHCLKFreq() / 1000);
+ au32_milliseconds *= au32_ticks;
+ while ((DWT->CYCCNT - au32_initial_ticks) < au32_milliseconds);
+}
+
+#endif /* DWT_DELAY_H_ */
--
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