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GD32_BOOT/Robot_V2/sys/initial.h
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#ifndef _INITIAL_H
#define _INITIAL_H
#ifdef __cplusplus
extern "C" {
#endif
#include "gd32c10x_eval.h"
#include "stdint.h"
#include <stdio.h>
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int fputc(int ch, FILE *f); // 声明fputc函数以重载标准库实现
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u8 USART0_init(void);
u16 get_reset_cause(void);
void unused_pin_init();
void print_system_clock_info(void);
void enter_deep_sleep(void);
int check_sleep(void);
void EXTI5_9_IRQHandler(void);
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#ifdef __cplusplus
}
#endif
#endif