public link bit OS_time = driver.OS_time;
public link bit OS_EventFlag = driver.OS_EventFlag;
public link bit CurrentTone1 = driver.CurrentTone1;
public link bit CurrentTone2 = driver.CurrentTone2;
public link unit tone {}
driver.tone = tone;
public link bit isPause = driver.isPause;
public link bit isStop = driver.isStop;
public link void OS_init(){} = driver.OS_init;
public link void Play(bit n1){} = driver.play0;
public link void Ttop(){} = driver.stop;
public link void Pause(){} = driver.Pause;
public link void Continue(){} = driver.Continue;
public link void OS_run(){} = driver.OS_run;
