public link unit tone1 {} = driver.tone1;
public link bit 音量1 = driver.vol1;
public link bit 频率1 = driver.freq1;
public link bit 音量2 = driver.vol2;
public link bit 频率2 = driver.freq2;
public link bit 开始1 = driver.Start1;
public link bit 开始2 = driver.Start2;
public link void OS_init(){} = driver.OS_init;
