第一次实验-作业1：把微秒级延迟放到main里，用for循环产生10微秒。

2024-10-08 21:36:32 +08:00
parent b0ebd03d19
commit 560343cced
2 changed files with 27 additions and 6 deletions
--- a/exp1/Core/Inc/main.h
+++ b/exp1/Core/Inc/main.h
@@ -46,14 +46,14 @@ extern "C" {

 /* Exported macro ------------------------------------------------------------*/
 /* USER CODE BEGIN EM */
-
+#define SYSTICKCLK 170  // Systick Frequency 170MHz
 /* USER CODE END EM */

 /* Exported functions prototypes ---------------------------------------------*/
 void Error_Handler(void);

 /* USER CODE BEGIN EFP */
-
+void delay_us(uint32_t nus);
 /* USER CODE END EFP */

 /* Private defines -----------------------------------------------------------*/