Article # 288, added by Geoworks, historical record
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Is it possible to call a driver strategy routine from C?
Q. Is it possible to call a driver strategy routine from C? A. Here's something you can try: DriverPassParams dpp; DriverReturnParams drp; StreamToken serialPort = SERIAL_COM1; /* * Set up StreamNotifyType for StreamReader, data event * notification (STREAM_EVENT_DATA), and notification mode by * a message. */ dpp.ax = ( ( 1 << STREAM_TYPE_READER_OFFSET ) | ( STREAM_EVENT_DATA << STREAM_TYPE_EVENT_OFFSET ) | ( STREAM_MODE_MESSAGE << STREAM_TYPE_HOW_OFFSET ) ); dpp.bx = serialPort; /* * MySerialNotifyObject is the object that contains a method * handler for MSG_MSNO_DATA_NOTIFY. */ dpp.cx = OptrToHandle( @MySerialNotifyObject ); dpp.dx = OptrToChunk( @MySerialNotifyObject ); dpp.bp = MSG_MSNO_DATA_NOTIFY; /* * 14 equals DR_STREAM_SET_NOTIFY */ DriverCallEntryPoint( serialDriver, 14, &dpp, &drp );