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我在 CentOS6.5 虚拟机上运行 REDHAWK 1.10。我将连接设置为桥接，并且可以通过其 IP 地址定位 USRP：uhd_find_devices --args="addr= <ip address>"
我有一个带有串行 E5R1AS2UP 的 usrp2

以下是我采取的步骤： 

$ sudo $OSSIEHOME/bin/cleanomni
$ nodeBooter -D -debug 5
$ nodeBooter -d <location to USRP_UHD node>.xml -debug 5

我还按照 USRP 的要求运行了这些命令： 

sudo sysctl -w net.core.rmem_max=50000000  
sudo sysctl -w net.core.wmem_max=1048576

到目前为止，相关的控制台输出： 

   2014-08-22 15:31:43 DEBUG USRP_UHD_i:980 - target device hint contains 3 values  
    2014-08-22 15:31:43 DEBUG USRP_UHD_i:992 - Found 1 devices, choosing first one found.  
    -- Opening a USRP2/N-Series device...  
    -- Current recv frame size: 1472 bytes  
    -- Current send frame size: 1472 bytes  
    2014-08-22 15:31:45 DEBUG USRP_UHD_i:1107 - updateDeviceInfo|found 1 rx channels  
    2014-08-22 15:31:45 DEBUG USRP_UHD_i:1109 - updateDeviceInfo|found 1 tx channels  
    2014-08-22 15:31:45 DEBUG USRP_UHD_i:1144 - updateDeviceInfo|rx0|got clock rates     [3.125e+06:1e+08]  
    2014-08-22 15:31:45 DEBUG USRP_UHD_i:1186 - updateDeviceInfo|tx0|got clock rates [3.125e+06:1e+08]  
    2014-08-22 15:31:45 DEBUG USRP_UHD_i:748 - targetDeviceChanged|device is not started, must start device after initialization
  • 在 IDE 中，我单击连接到 REDHAWK_DEV，然后启动在我创建的自定义节点下运行的设备。

通过监控 USRP_UHD 设备的端口，我看到我的 dataFloatTX_IN / dataShortTX_IN 以及其余的列都是 0 E/s，所有其他行和列都是空白的。这很奇怪，因为我想 RX 而不是 TX；我将 FRONTEND::tune_allocation 设置设置为： 

center freq = 9.91e7  
bandwidth = 1.0e6  
sample_rate = 1.0e6  
tuner_type = RX_DIGITIZER

然后我尝试使用 pwolfram 在这里概述的步骤：USRP_UHD source and sink for redhawk
我现在有一个波形，其中包含一个 dataConverter 作为装配控制器、AMFMDEMOD (2) 和 dataWriter (3)。运行波形会出现错误： 

2014-08-22 14:46:25 ERROR ApplicationFactory_impl:1463 - Error in application creation; Failed to satisfy 'usesdevice' dependencies DCE:0dd76dd3-b44e-4e6a-b44a-896980682972for application 'USRP_Wave_234_134622508'

我看到这是在 usesdevice 行中，所以我再次检查以确保 usesdevice id 等于 USRP_UHD 设备的 ID，并且前端 ID 和 USRP ID 都与属性视图中的 DCE 匹配。

问题的痕迹：

2014-08-25 15:07:12 TRACE ComponentInfo:863 - Done building component info from file /components/DataWriter/DataWriter.spd.xml
2014-08-25 15:07:12 TRACE ApplicationFactory_impl:2132 - Done building Component Info From SPD File
2014-08-25 15:07:12 TRACE ComponentInfo:983 - Instantiation property id = overwrite
2014-08-25 15:07:12 TRACE prop_utils:167 - overriding simple property id overwrite
2014-08-25 15:07:12 DEBUG ComponentInfo:1033 - Attempting to override property overwrite
2014-08-25 15:07:12 DEBUG ComponentInfo:1036 - Overriding property overwrite with value 1
2014-08-25 15:07:12 DEBUG ComponentInfo:1033 - Attempting to override property overwrite
2014-08-25 15:07:12 DEBUG ComponentInfo:1033 - Attempting to override property overwrite
2014-08-25 15:07:12 DEBUG ComponentInfo:1033 - Attempting to override property overwrite
2014-08-25 15:07:12 TRACE ComponentInfo:983 - Instantiation property id = filename
2014-08-25 15:07:12 TRACE prop_utils:167 - overriding simple property id filename
2014-08-25 15:07:12 DEBUG ComponentInfo:1033 - Attempting to override property filename
2014-08-25 15:07:12 DEBUG ComponentInfo:1036 - Overriding property filename with value /home/Jovianite/Desktop/USRP_Wave
2014-08-25 15:07:12 DEBUG ComponentInfo:1033 - Attempting to override property filename
2014-08-25 15:07:12 DEBUG ComponentInfo:1033 - Attempting to override property filename
2014-08-25 15:07:12 DEBUG ComponentInfo:1033 - Attempting to override property filename
2014-08-25 15:07:12 TRACE ApplicationFactory_impl:1040 - Application has 1 usesdevice dependencies
2014-08-25 15:07:12 TRACE prop_utils:509 - setting struct item FRONTEND::tuner_allocation::allocation_id
2014-08-25 15:07:12 TRACE prop_utils:509 - setting struct item FRONTEND::tuner_allocation::bandwidth
2014-08-25 15:07:12 TRACE prop_utils:509 - setting struct item FRONTEND::tuner_allocation::center_frequency
2014-08-25 15:07:12 TRACE prop_utils:509 - setting struct item FRONTEND::tuner_allocation::group_id
2014-08-25 15:07:12 TRACE prop_utils:509 - setting struct item FRONTEND::tuner_allocation::rf_flow_id
2014-08-25 15:07:12 TRACE prop_utils:509 - setting struct item FRONTEND::tuner_allocation::sample_rate
2014-08-25 15:07:12 TRACE prop_utils:509 - setting struct item FRONTEND::tuner_allocation::tuner_type
2014-08-25 15:07:12 TRACE AllocationManager_impl:134 - Servicing 1 allocation request(s)
2014-08-25 15:07:12 TRACE AllocationManager_impl:144 - Allocation request DCE:d8e4147c-2c86-11e4-99d3-080027dc953e contains 3 properties
2014-08-25 15:07:12 TRACE AllocationManager_impl:243 - Allocating against device DCE:d7a37203-11f1-4643-b5f9-c5549b36b8d1
2014-08-25 15:07:12 TRACE AllocationManager_impl:353 - Matching DCE:cdc5ee18-7ceb-4ae6-bf4c-31f983179b4d 'FRONTEND::TUNER' eq 'FRONTEND'
2014-08-25 15:07:12 TRACE AllocationManager_impl:248 - Matching failed
2014-08-25 15:07:12 DEBUG ApplicationFactory_impl:1060 - Failed to satisfy 'usesdevice' dependencies DCE:d8e4147c-2c86-11e4-99d3-080027dc953efor application 'USRP_Wave_237_140642295'
2014-08-25 15:07:12 TRACE ApplicationFactory_impl:528 - Unbinding the naming context
2014-08-25 15:07:12 TRACE Properties:85 - Destruction for properties
2014-08-25 15:07:12 TRACE PRF:312 - Deleting PRF containing 7 properties
2014-08-25 15:07:12 TRACE Properties:85 - Destruction for properties
2014-08-25 15:07:12 TRACE PRF:312 - Deleting PRF containing 3 properties
2014-08-25 15:07:12 TRACE Properties:85 - Destruction for properties
2014-08-25 15:07:12 TRACE PRF:312 - Deleting PRF containing 4 properties
2014-08-25 15:07:12 ERROR ApplicationFactory_impl:1463 - Error in application creation; Failed to satisfy 'usesdevice' dependencies DCE:d8e4147c-2c86-11e4-99d3-080027dc953efor application 'USRP_Wave_237_140642295'
2014-08-25 15:07:12 INFO  DomainManager_impl:1845 - Uninstalling application DCE:ca3d638e-b769-4bec-b950-4ff67c4e804e

解决方案：

下一步是确保您的 GPP 正在运行。波形的 spd 需要这样编辑：

<usesdevicedependencies>
<propertyref refid="DCE:<default value>" value="FRONTEND::TUNER"/>

::TUNER需要添加该部件，因为它显示在您的 USRP_UHD 属性选项卡中。
之后，您将不得不根据您使用的任何 USRP 调整您调整到的值。然后需要将波形导出到目标 sdr，然后才能启动。在节点上使用跟踪将告诉您是否需要调整您的值。由于生成的文件很大，我还从波形中删除了数据写入器。

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