public link void OS_init(){} = driver.OS_init;
public link void ö˿_ģʽΪ_(bit n1,bit n3){} = driver.pinMode;
public link void ֶ˿_ƽΪ_(bit n1,bit n3){} = driver.digitalWrite;
public link void ȡֶ˿_(bit n1){} = driver.digitalRead;
