serial.h

arm9的bootloader大家下载解压缩即可看到

#ifndef _VIVI_SERIAL_H_
#define _VIVI_SERIAL_H_

//#include <config.h>
//#include <types.h>
typedef unsigned char __u8;
typedef void (*vfuncp)(void);

void putc(char c);
char getc(void);
//void putnstr(const char *str, size_t n);
char awaitkey(unsigned long delay, int* error_p);
__u8 do_getc(vfuncp, unsigned long, int *);
unsigned char do_getc_with_timeout(unsigned long, int *);

#ifdef CONFIG_SERIAL_TERM
void serial_term(void);
#endif

#endif /* _VIVI_SERIAL_H_  */