fix BUG-809 && 增加从设备描述符iProduct域中判断通信协议版本的接口
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0fd4fd2de0
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24d05a6441
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@ -76,6 +76,20 @@ std::wstring ansi2unicode(const char* ansi, UINT cp = CP_ACP)
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return unic;
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}
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std::string unicode2ansi(const wchar_t* unic, UINT cp = CP_ACP)
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{
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int len = WideCharToMultiByte(cp, 0, unic, lstrlenW(unic), NULL, 0, NULL, NULL);
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char *buf = new char[len + 4];
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memset(buf, 0, len + 4);
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len = WideCharToMultiByte(cp, 0, unic, lstrlenW(unic), buf, len, NULL, NULL);
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buf[len--] = 0;
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std::string ansi(buf);
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delete[] buf;
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return ansi;
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}
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/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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// OVERLAPPED ...
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ovl_cls::ovl_cls() : ref_(1), io_bytes_(0)
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@ -377,6 +391,16 @@ bool usb_device::init(void)
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COPY_MEMBER(dev_desc_, &info->ConnectionInfo->DeviceDescriptor, iSerialNumber);
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COPY_MEMBER(dev_desc_, &info->ConnectionInfo->DeviceDescriptor, bNumConfigurations);
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}
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PSTRING_DESCRIPTOR_NODE strdesc = info->StringDescs;
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while (strdesc)
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{
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STRCFG sc;
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sc.id = strdesc->DescriptorIndex;
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sc.val = strdesc->StringDescriptor ? unicode2ansi(strdesc->StringDescriptor->bString) : "";
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str_cfg_.push_back(sc);
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strdesc = strdesc->Next;
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}
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if (info->ConfigDesc)
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{
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libusb_config_descriptor* desc = NULL;
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@ -459,6 +483,7 @@ void usb_device::clear(void)
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{
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close();
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str_cfg_.clear();
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if (dev_desc_)
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delete dev_desc_;
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dev_desc_ = NULL;
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@ -524,6 +549,23 @@ int usb_device::get_config_descriptor(int index, libusb_config_descriptor** desc
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return LIBUSB_SUCCESS;
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}
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int usb_device::get_config_string(uint8_t desc_index, unsigned char* data, int length)
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{
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for (auto& v : str_cfg_)
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{
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if (v.id == desc_index)
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{
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if (length < v.val.length())
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memcpy(data, v.val.c_str(), length);
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else
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strcpy((char*)data, v.val.c_str());
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return LIBUSB_SUCCESS;
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}
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}
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return LIBUSB_ERROR_NOT_FOUND;
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}
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int usb_device::open(libusb_device_handle** dev_handle)
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{
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if (handle_)
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@ -1475,4 +1517,9 @@ uint8_t LIBUSB_CALL libusb_get_device_address(libusb_device* device)
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return ((usb_device*)device)->address();
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}
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int LIBUSB_CALL libusb_get_string_descriptor_ascii(libusb_device_handle* dev_handle,
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uint8_t desc_index, unsigned char* data, int length)
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{
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return ((usb_device*)dev_handle)->get_config_string(desc_index, data, length);
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}
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@ -100,6 +100,13 @@ class usb_device // consider as libusb_device
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libusb_device_descriptor* dev_desc_;
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std::vector<libusb_config_descriptor*> cfg_desc_;
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typedef struct _str_cfg
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{
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int id;
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std::string val;
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}STRCFG;
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std::vector<STRCFG> str_cfg_;
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typedef struct _usb_pipe
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{
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UCHAR address;
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@ -145,6 +152,7 @@ public:
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void clear(void);
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int get_descriptor(libusb_device_descriptor* desc);
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int get_config_descriptor(int index, libusb_config_descriptor** desc);
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int get_config_string(uint8_t desc_index, unsigned char* data, int length);
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int open(libusb_device_handle** dev_handle);
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int close(void);
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int set_timeout(unsigned milliseconds);
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@ -2810,8 +2810,8 @@ COM_API_IMPLEMENT(scanner, int, start(void))
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thread_starting_->join();
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#ifdef START_SCAN_IN_THREAD
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thread_starting_.reset(new std::thread(&scanner::thread_start, this));
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get_scanned_images(-1); // block until image arrived or scan finished
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ret = err_;
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ret = get_scanned_images(-1); // block until image arrived or scan finished
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ret = ret > 0 ? 0 : err_; // received images, ensure return success. BUG-809
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#else
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ret = thread_start();
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#endif
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