SDR在windows环境下pyrtlsdr的安装

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我是靠谱客的博主甜美电脑，这篇文章主要介绍SDR在windows环境下pyrtlsdr的安装，现在分享给大家，希望可以做个参考。

Documentation:

http:// https://pyrtlsdr.readthedocs.io

安装好pyrtldr库（pip insall ……）后，验证代码如下：

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from rtlsdr import RtlSdr
sdr = RtlSdr()
# configure device
sdr.sample_rate = 2.048e6 # Hz
sdr.center_freq = 70e6 # Hz
sdr.freq_correction = 60 # PPM
sdr.gain = 'auto'
print(sdr.read_samples(512))

报错（ImportError: Error loading librtlsdr. Make sure librtlsdr (and all of its dependencies) are in your path）：

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Traceback (most recent call last):
  File "D:VScodeRtlsdrtry1.py", line 2, in <module>
    from rtlsdr import RtlSdr
  File "D:AppCudacondalibsite-packagesrtlsdr__init__.py", line 56, in <module>
    from .librtlsdr import librtlsdr
  File "D:AppCudacondalibsite-packagesrtlsdrlibrtlsdr.py", line 50, in <module>
    librtlsdr = load_librtlsdr()
  File "D:AppCudacondalibsite-packagesrtlsdrlibrtlsdr.py", line 45, in load_librtlsdr
    raise ImportError('Error loading librtlsdr. Make sure librtlsdr '
ImportError: Error loading librtlsdr. Make sure librtlsdr (and all of its dependencies) are in your path

原因：

1.没有在目录文件（文件配置环境）下放入相关的硬件驱动文件（加密狗）

文件相关链接：RTL utils

2.头文件内某些相对路径改为绝对路径

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    # driver_files += ['librtlsdr.so', 'rtlsdr/librtlsdr.so']
    # driver_files += ['rtlsdr.dll', 'librtlsdr.so']
    # driver_files += ['..//rtlsdr.dll', '..//librtlsdr.so']
    # driver_files += ['rtlsdr//rtlsdr.dll', 'rtlsdr//librtlsdr.so']
    # driver_files += [lambda : find_library('rtlsdr'), lambda :find_library('librtlsdr')]
    driver_files += ['D:\App\Cuda\conda\Lib\site-packages\rtlsdr\librtlsdr.dll']
    driver_files += ['D:\App\Cuda\conda\Lib\site-packages\rtlsdr\libusb-1.0.dll']
    driver_files += ['D:\App\Cuda\conda\Lib\site-packages\rtlsdr\libwinpthread-1.dll']

完成相关步骤后，若再次报错（AttributeError: function 'rtlsdr_get_device_count' not found）：

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Traceback (most recent call last):
  File "D:VScodeRtlsdrtry1.py", line 2, in <module>
    from rtlsdr import *
  File "D:AppCudacondalibsite-packagesrtlsdr__init__.py", line 56, in <module>
    from .librtlsdr import librtlsdr
  File "D:AppCudacondalibsite-packagesrtlsdrlibrtlsdr.py", line 64, in <module>
    f = librtlsdr.rtlsdr_get_device_count
  File "D:AppCudacondalibctypes__init__.py", line 395, in __getattr__
    func = self.__getitem__(name)
  File "D:AppCudacondalibctypes__init__.py", line 400, in __getitem__
    func = self._FuncPtr((name_or_ordinal, self))
AttributeError: function 'rtlsdr_get_device_count' not found