readAsync method
Implementation
@override
int readAsync(Pointer<DeviceHandle> dev, Pointer cb, Pointer<Void> ctx,
int bufNum, int bufLen) =>
_readAsync(dev, cb, ctx, bufNum, bufLen);
@override
int readAsync(Pointer<DeviceHandle> dev, Pointer cb, Pointer<Void> ctx,
int bufNum, int bufLen) =>
_readAsync(dev, cb, ctx, bufNum, bufLen);