添加一些关于midi播放的项目

2025-03-24 14:30:56 +08:00
parent e31eb22077
commit 498b4ef13b
699 changed files with 186162 additions and 1 deletions
@@ -0,0 +1,25 @@
+/******************************************************************************
+* @brief provide systick utility routines.
+*
+*******************************************************************************/
+
+#ifndef __SYSTICK_H
+#define __SYSTICK_H
+typedef void (*SysTick_CallbackType)(void);		
+
+#define SYS_COUNT_ETME		10 //ms
+#define SYS_COUNT 				MCU_CLCOK*SYS_COUNT_ETME/16
+/* Global variables */
+extern uint32_t cnt_start_value;
+extern uint32_t cnt_end_value;
+extern uint32_t overhead;
+void SysTick_SetCallBack(SysTick_CallbackType pSysTick_CallBack);
+
+/* Function declaration */
+void systick_init(void);
+void systick_disable(void);
+void cal_systick_read_overhead(void);
+//void delay_us(int n);
+//void delay_ms(int n);
+void SysTick_SetCallBack(SysTick_CallbackType pSysTick_CallBack);
+#endif