NULL

user/MCU/lhl_systemclock.h

@@ -0,0 +1,31 @@
+#ifndef __SYSTEMCLOCK_H_
+#define __SYSTEMCLOCK_H_
+
+
+typedef enum {
+	clock_defaultconfig1,//SYSclock=16M  AHBclock=16M APB1clock=16M APB2clock=16M
+	clock_defaultconfig2,//SYSclock=16M  AHBclock=8M  APB1clock=8M  APB2clock=8M
+	clock_defaultconfig3,//SYSclock=16M  AHBclock=8M  APB1clock=4M  APB2clock=4M
+	clock_defaultconfig4,//SYSclock=16M  AHBclock=8M  APB1clock=8M  APB2clock=4M
+	clock_defaultconfig5,//SYSclock=16M  AHBclock=8M  APB1clock=4M  APB2clock=8M
+	//......<2E><><EFBFBD><EFBFBD><EFBFBD>Զ<EFBFBD><D4B6><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
+}clock_defaultconfig_t;
+
+
+//<2F><><EFBFBD>ýṹ<C3BD><E1B9B9>
+typedef struct {
+	
+	uint8_t clock_config;//this pram value can be : clock_defaultconfig_t
+	
+} systemclock_config_t;
+
+
+void System_MCO_Config(void);
+void SystemClockConfiguration(void);
+void disable_interrupts(void);
+void enable_interrupts(void);
+void ResetSystem(void);
+
+
+void Enable_LSE(void);
+#endif