主采集逻辑修改中，添加了部分写文件实现

source/OSIF/include/native/usb/USB.h

@@ -0,0 +1,84 @@
+/***************************************************//**
+ * @file    USB.h
+ * @date    February 2009
+ * @author  Ocean Optics, Inc.
+ *
+ * LICENSE:
+ *
+ * SeaBreeze Copyright (C) 2014, Ocean Optics Inc
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sublicense, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject
+ * to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+ * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+ * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *******************************************************/
+
+#ifndef SEABREEZE_USB_H
+#define SEABREEZE_USB_H
+
+#include "native/usb/USBDiscovery.h"
+#include "native/usb/NativeUSB.h"
+#include <string>
+
+namespace seabreeze {
+
+    /* Empty declaration of USBDiscovery to deal with cross-includes */
+    class USBDiscovery;
+
+    class USB {
+    public:
+        virtual ~USB();
+
+        bool open();
+        bool close();
+        int write(int endpoint, void *data, unsigned int length_bytes);
+        int read(int endpoint, void *data, unsigned int length_bytes);
+        void clearStall(int endpoint);
+
+        static void setVerbose(bool v);
+
+        int getDeviceDescriptor(struct USBDeviceDescriptor *desc);
+        int getInterfaceDescriptor(struct USBInterfaceDescriptor *desc);
+        /* Get the endpoint descriptor where index is the endpoint index. */
+        int getEndpointDescriptor(int index, struct USBEndpointDescriptor *epDesc);
+        std::string *getStringDescriptor(int index);
+        int getMaxPacketSize();
+
+        bool isOpened();
+
+        /* This allows the USBDiscovery class to access the protected
+         * constructor and act as a factory for USB instances.
+         */
+        friend class USBDiscovery;
+
+    protected:
+
+        /* These methods are primarily for debugging. */
+        void usbHexDump(void *x, int length, int endpoint);
+        void hexDump(void *x, int length);
+        void describeTransfer(const char *label, int length, void* data, int endpoint, bool hexdump);
+        USB(unsigned long deviceID);
+
+        void *descriptor;
+        bool opened;
+        static bool verbose;
+        unsigned long deviceID;
+    };
+
+}
+
+#endif