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我試圖從一個Python腳本是新的閱讀從compent數據,紅鷹和流動的一些例子,我有以下的組件讀取數據,但預計只有一個端口如何從多個端口
from ossie.utils import redhawk, sb
dom = redhawk.attach("REDHAWK_DEV")
app=dom.apps[0]
print(app)
comp = app.comp[0]
output_data = sb.DataSink()
comp.connect(output_data)
與錯誤:
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "/usr/local/redhawk/core/lib/python/ossie/utils/model/__init__.py", line 327, in connect
raise RuntimeError, ret_str
RuntimeError: Multiple ports matched interfaces on connect, must specify providesPortName or usesPortName
Possible matches:
Interface: IDL:BULKIO/dataShort:1.0, component/port: rh.basic_components_demo_230_071003375_1/SigGen_sine/dataShort_out __localDataSink_1/shortIn
Interface: IDL:BULKIO/dataFloat:1.0, component/port: rh.basic_components_demo_230_071003375_1/SigGen_sine/dataFloat_out __localDataSink_1/floatIn
的組件是從基本的波形示例項目rh.SigGen組件。
你如何從水槽讀取並輸出浮標? 我想這樣
...
comp.connect(output_data)
while (data=comp.read()) :
print("Value : "+data)
在python會話中,您可以使用幫助(comp.connect),它將提供API文檔。 –