websdk增加获取固件版本号的接口

sdk/webservice/ManagerV2.cpp

@@ -1377,6 +1377,30 @@ namespace ver_2
         return 0;
     }
 
+    int ManagerV2::GetDeviceFWVersion(std::string& fwVer, std::string& errInfo)
+    {
+        errInfo = "错误";
+        fwVer.clear();
+
+        if (!m_openDevice)
+        {
+            errInfo = "还未打开设备";
+            return -1;
+        }
+
+        char v[256] = {0};
+        SANE_Status status = sane_control_option(m_devHandle, (SANE_Int)0x8857, SANE_ACTION_GET_VALUE, v, NULL);
+        if (SANE_STATUS_GOOD != status)
+        {
+            errInfo = Utf8ToStdString(sane_strstatus(status));
+            return -1;
+        }
+
+        fwVer = v;
+        errInfo.clear();
+        return 0;
+    }
+
 	int ManagerV2::SetDeviceParam(const std::vector<DeviceParam>& devParams, std::string& errInfo)
 	{
 		errInfo = "错误";

sdk/webservice/ManagerV2.h

@@ -191,6 +191,8 @@ namespace ver_2
 		int CloseDevice(std::string& errInfo);
         // 获取设备序列号
         int GetDeviceSN(std::string& sn, std::string& errInfo);
+        // 获取设备固件版本号
+        int GetDeviceFWVersion(std::string& fwVer, std::string& errInfo);
 		// 设置设备参数
 		int SetDeviceParam(const std::vector<DeviceParam>& devParams, std::string& errInfo);
 		// 获取设备参数

sdk/webservice/WSUser.cpp

@@ -317,6 +317,10 @@ namespace ver_2
             else if ("get_device_sn" == func)
             {
                 GetDeviceSN(json);
+            }
+            else if ("get_device_fwversion" == func)
+            {
+                GetDeviceFWVersion(json);
             }
 			else if ("set_device_param" == func)
 			{
@@ -2472,6 +2476,40 @@ namespace ver_2
         }
     }
 
+    void WSUser::GetDeviceFWVersion(cJSON* json)
+    {
+        assert(NULL != json);
+
+        std::string fwVersion;
+        std::string errInfo;
+        int ret = GetManager()->GetDeviceFWVersion(fwVersion, errInfo);
+
+        bool findIden = false;
+        std::string iden = GetJsonStringValue(json, "iden", &findIden);
+
+        cJSON* retJson = cJSON_CreateObject();
+        if (NULL != retJson)
+        {
+            cJSON_AddItemToObject(retJson, "func", cJSON_CreateString("get_device_fwversion"));
+            if (findIden)
+                cJSON_AddItemToObject(retJson, "iden", cJSON_CreateString(iden.c_str()));
+            cJSON_AddItemToObject(retJson, "ret", cJSON_CreateNumber(ret));
+            if (0 != ret)
+                cJSON_AddItemToObject(retJson, "err_info", cJSON_CreateString(StdStringToUtf8(errInfo).c_str()));
+            else
+                cJSON_AddItemToObject(retJson, "fwversion", cJSON_CreateString(StdStringToUtf8(fwVersion).c_str()));
+
+            char* resp = cJSON_Print(retJson);
+            if (NULL != resp)
+            {
+                SendResponse((const HGByte*)resp, (HGUInt)strlen(resp), HGTRUE);
+                free(resp);
+            }
+
+            cJSON_Delete(retJson);
+        }
+    }
+
 	void WSUser::SetDeviceParam(cJSON* json)
 	{
 		assert(NULL != json);

sdk/webservice/WSUser.h

@@ -58,6 +58,7 @@ namespace ver_2
 		void OpenDevice(cJSON* json);
 		void CloseDevice(cJSON* json);
         void GetDeviceSN(cJSON* json);
+        void GetDeviceFWVersion(cJSON* json);
 		void SetDeviceParam(cJSON* json);
 		void GetDeviceParam(cJSON* json);
 		void ResetDeviceParam(cJSON* json);