?? serial.h
字號(hào):
#ifndef __SERIAL_H__
#define __SERIAL_H__
typedef int (*serial_init_func_t)(int);
typedef int (*serial_read_func_t)(void);
typedef int (*serial_write_func_t)(int);
typedef int (*serial_poll_func_t)(void);
typedef int (*serial_flush_input_func_t)(void);
typedef int (*serial_flush_output_func_t)(void);
typedef struct {
serial_init_func_t init;
serial_read_func_t read;
serial_write_func_t write;
serial_poll_func_t poll;
serial_flush_input_func_t flush_input;
serial_flush_output_func_t flush_output;
} serial_driver_t;
/* exported functions */
int serial_init(int baudrate);
int serial_read(void);
int serial_write(int c);
int serial_write_raw(int c);
int serial_poll(void);
int serial_flush_input(void);
int serial_flush_output(void);
#endif
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