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Pothos toolkit for liquid DSP processing cores

Home Page: https://github.com/pothosware/PothosLiquidDSP/wiki

License: Boost Software License 1.0

CMake 5.70% Python 88.65% C++ 5.65%

liquid-dsp dsp pothos radio modulation demodulation bindings pothos-framework

pothosliquiddsp's Introduction

Block toolkit for Liquid DSP processing cores

This toolkit wraps Pothos blocks around the Liquid DSP library. Blocks are generated from the liquid DSP include header and a file describing the available functions and parameters.

Dependencies

Pothos library
Liquid DSP - https://github.com/jgaeddert/liquid-dsp/

Building and installing

configure, build, and install with CMake

Licensing information

Use, modification and distribution is subject to the Boost Software License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)

pothosliquiddsp's People

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luwangg wluker ashley-b frankyu0326 cdzkhxhdgs belmy

pothosliquiddsp's Issues

equalizers - new work pattern

Implement work pattern for decimation methodology used by equalizers

extract summary blurbs from site.json

http://liquidsdr.org/site.json

extract defaults and ranges from comments

work on new comment format in progress...

Build error with the latest liquid-dsp

Liquid-dsp did a change on firhilbf_c2r_execute() and now require 4 parameters; the documentation is not updated.

/* from liquid.h */
void firhilbf_c2r_execute(firhilbf _q, liquid_float_complex _x, float * _y0, float * _y1);

therefore when building I receive the following error

/Users/user/tmp/PothosLiquidDSP/build/firhilbf.cpp:176:13: error: no matching function for call to 'firhilbf_c2r_execute'
            firhilbf_c2r_execute(_q, *inxBuff, outyBuff);
            ^~~~~~~~~~~~~~~~~~~~
/opt/local/include/liquid/liquid.h:2702:27: note: candidate function not viable: requires 4 arguments, but 3 were provided
LIQUID_FIRHILB_DEFINE_API(LIQUID_FIRHILB_MANGLE_FLOAT, float, liquid_float_complex)

Change example can be seen at github.

Moreover, just FYI, I see the following warning

/opt/local/include/liquid/liquid.h:6034:24: warning: 'polycf_interp_lagrange' has C-linkage specified, but returns user-defined type 'liquid_float_complex' (aka 'complex<float>') which is incompatible with C [-Wreturn-type-c-linkage]
/opt/local/include/liquid/liquid.h:6034:24: warning: 'polycf_val_lagrange_barycentric' has C-linkage specified, but returns user-defined type 'liquid_float_complex' (aka 'complex<float>') which is incompatible with C [-Wreturn-type-c-linkage]
/opt/local/include/liquid/liquid.h:6446:26: warning: 'matrixcf_det' has C-linkage specified, but returns user-defined type 'liquid_float_complex' (aka 'complex<float>') which is incompatible with C [-Wreturn-type-c-linkage]
LIQUID_MATRIX_DEFINE_API(LIQUID_MATRIX_MANGLE_CFLOAT,  liquid_float_complex)
                         ^
/opt/local/include/liquid/liquid.h:6447:26: warning: 'matrixc_det' has C-linkage specified, but returns user-defined type 'liquid_double_complex' (aka 'complex<double>') which is incompatible with C [-Wreturn-type-c-linkage]
LIQUID_MATRIX_DEFINE_API(LIQUID_MATRIX_MANGLE_CDOUBLE, liquid_double_complex)
                         ^
/opt/local/include/liquid/liquid.h:7761:25: warning: 'synth_crcf_get_half_previous' has C-linkage specified, but returns user-defined type 'liquid_float_complex' (aka 'complex<float>') which is incompatible with C [-Wreturn-type-c-linkage]
/opt/local/include/liquid/liquid.h:7761:25: warning: 'synth_crcf_get_half_next' has C-linkage specified, but returns user-defined type 'liquid_float_complex' (aka 'complex<float>') which is incompatible with C [-Wreturn-type-c-linkage]

Test done with the latest commit of liquid-dsp branch master. Thank you.

Establish minimum version when liquid-dsp exit() calls removed

Currently, liquid-dsp calls exit() when certain input validations fail, and PothosLiquidDSP can trigger these, as it does not perform its own input validation. When this bug is fixed, the next PothosLiquidDSP version should establish a minimum version to prevent running into this.

Relevant issue here: jgaeddert/liquid-dsp#134

build failure with latest liquid-dsp

This is the build error:

/opt/local/var/macports/build/_Users_rainbow_sources_github_macports-ports_science_PothosLiquidDSP/PothosLiquidDSP/work/build/firfilt.cpp:59:16: error: cannot initialize return object of type 'float' with an rvalue of type 'const float *'
        return firfilt_rrrf_get_coefficients(_q);
               ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/opt/local/var/macports/build/_Users_rainbow_sources_github_macports-ports_science_PothosLiquidDSP/PothosLiquidDSP/work/build/firfilt.cpp:155:16: error: cannot initialize return object of type 'float' with an rvalue of type 'const float *'
        return firfilt_crcf_get_coefficients(_q);
               ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/opt/local/var/macports/build/_Users_rainbow_sources_github_macports-ports_science_PothosLiquidDSP/PothosLiquidDSP/work/build/firfilt.cpp:251:16: error: no viable conversion from returned value of type 'const liquid_float_complex *' (aka 'const complex<float> *') to function return type 'liquid_float_complex' (aka 'complex<float>')
        return firfilt_cccf_get_coefficients(_q);
               ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/Library/Developer/CommandLineTools/usr/include/c++/v1/complex:323:28: note: candidate constructor (the implicit copy constructor) not viable: no known conversion from 'const liquid_float_complex *' (aka 'const complex<float> *') to 'const std::__1::complex<float> &' for 1st argument; dereference the argument with *
class _LIBCPP_TEMPLATE_VIS complex<float>
                           ^
/Library/Developer/CommandLineTools/usr/include/c++/v1/complex:323:28: note: candidate constructor (the implicit move constructor) not viable: no known conversion from 'const liquid_float_complex *' (aka 'const complex<float> *') to 'std::__1::complex<float> &&' for 1st argument
/Library/Developer/CommandLineTools/usr/include/c++/v1/complex:330:49: note: candidate constructor not viable: no known conversion from 'const liquid_float_complex *' (aka 'const complex<float> *') to 'float' for 1st argument
    _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR complex(float __re = 0.0f, float __im = 0.0f)
                                                ^
/opt/local/var/macports/build/_Users_rainbow_sources_github_macports-ports_science_PothosLiquidDSP/PothosLiquidDSP/work/build/firfilt.cpp:384:16: error: cannot initialize return object of type 'float' with an rvalue of type 'const float *'
        return firfilt_rrrf_get_coefficients(_q);
               ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/opt/local/var/macports/build/_Users_rainbow_sources_github_macports-ports_science_PothosLiquidDSP/PothosLiquidDSP/work/build/firfilt.cpp:485:16: error: cannot initialize return object of type 'float' with an rvalue of type 'const float *'
        return firfilt_crcf_get_coefficients(_q);
               ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/opt/local/var/macports/build/_Users_rainbow_sources_github_macports-ports_science_PothosLiquidDSP/PothosLiquidDSP/work/build/firfilt.cpp:586:16: error: no viable conversion from returned value of type 'const liquid_float_complex *' (aka 'const complex<float> *') to function return type 'liquid_float_complex' (aka 'complex<float>')
        return firfilt_cccf_get_coefficients(_q);
               ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/Library/Developer/CommandLineTools/usr/include/c++/v1/complex:323:28: note: candidate constructor (the implicit copy constructor) not viable: no known conversion from 'const liquid_float_complex *' (aka 'const complex<float> *') to 'const std::__1::complex<float> &' for 1st argument; dereference the argument with *
class _LIBCPP_TEMPLATE_VIS complex<float>
                           ^
/Library/Developer/CommandLineTools/usr/include/c++/v1/complex:323:28: note: candidate constructor (the implicit move constructor) not viable: no known conversion from 'const liquid_float_complex *' (aka 'const complex<float> *') to 'std::__1::complex<float> &&' for 1st argument
/Library/Developer/CommandLineTools/usr/include/c++/v1/complex:330:49: note: candidate constructor not viable: no known conversion from 'const liquid_float_complex *' (aka 'const complex<float> *') to 'float' for 1st argument
    _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR complex(float __re = 0.0f, float __im = 0.0f)
                                                ^
/opt/local/var/macports/build/_Users_rainbow_sources_github_macports-ports_science_PothosLiquidDSP/PothosLiquidDSP/work/build/firfilt.cpp:718:16: error: cannot initialize return object of type 'float' with an rvalue of type 'const float *'
        return firfilt_rrrf_get_coefficients(_q);
               ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/opt/local/var/macports/build/_Users_rainbow_sources_github_macports-ports_science_PothosLiquidDSP/PothosLiquidDSP/work/build/firfilt.cpp:813:16: error: cannot initialize return object of type 'float' with an rvalue of type 'const float *'
        return firfilt_crcf_get_coefficients(_q);
               ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/opt/local/var/macports/build/_Users_rainbow_sources_github_macports-ports_science_PothosLiquidDSP/PothosLiquidDSP/work/build/firfilt.cpp:908:16: error: no viable conversion from returned value of type 'const liquid_float_complex *' (aka 'const complex<float> *') to function return type 'liquid_float_complex' (aka 'complex<float>')
        return firfilt_cccf_get_coefficients(_q);
               ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/Library/Developer/CommandLineTools/usr/include/c++/v1/complex:323:28: note: candidate constructor (the implicit copy constructor) not viable: no known conversion from 'const liquid_float_complex *' (aka 'const complex<float> *') to 'const std::__1::complex<float> &' for 1st argument; dereference the argument with *
class _LIBCPP_TEMPLATE_VIS complex<float>
                           ^
/Library/Developer/CommandLineTools/usr/include/c++/v1/complex:323:28: note: candidate constructor (the implicit move constructor) not viable: no known conversion from 'const liquid_float_complex *' (aka 'const complex<float> *') to 'std::__1::complex<float> &&' for 1st argument
/Library/Developer/CommandLineTools/usr/include/c++/v1/complex:330:49: note: candidate constructor not viable: no known conversion from 'const liquid_float_complex *' (aka 'const complex<float> *') to 'float' for 1st argument
    _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR complex(float __re = 0.0f, float __im = 0.0f)
                                                ^
/opt/local/var/macports/build/_Users_rainbow_sources_github_macports-ports_science_PothosLiquidDSP/PothosLiquidDSP/work/build/firfilt.cpp:1041:16: error: cannot initialize return object of type 'float' with an rvalue of type 'const float *'
        return firfilt_rrrf_get_coefficients(_q);
               ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/opt/local/var/macports/build/_Users_rainbow_sources_github_macports-ports_science_PothosLiquidDSP/PothosLiquidDSP/work/build/firfilt.cpp:1144:16: error: cannot initialize return object of type 'float' with an rvalue of type 'const float *'
        return firfilt_crcf_get_coefficients(_q);
               ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/opt/local/var/macports/build/_Users_rainbow_sources_github_macports-ports_science_PothosLiquidDSP/PothosLiquidDSP/work/build/firfilt.cpp:1247:16: error: no viable conversion from returned value of type 'const liquid_float_complex *' (aka 'const complex<float> *') to function return type 'liquid_float_complex' (aka 'complex<float>')
        return firfilt_cccf_get_coefficients(_q);
               ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/Library/Developer/CommandLineTools/usr/include/c++/v1/complex:323:28: note: candidate constructor (the implicit copy constructor) not viable: no known conversion from 'const liquid_float_complex *' (aka 'const complex<float> *') to 'const std::__1::complex<float> &' for 1st argument; dereference the argument with *
class _LIBCPP_TEMPLATE_VIS complex<float>
                           ^
/Library/Developer/CommandLineTools/usr/include/c++/v1/complex:323:28: note: candidate constructor (the implicit move constructor) not viable: no known conversion from 'const liquid_float_complex *' (aka 'const complex<float> *') to 'std::__1::complex<float> &&' for 1st argument
/Library/Developer/CommandLineTools/usr/include/c++/v1/complex:330:49: note: candidate constructor not viable: no known conversion from 'const liquid_float_complex *' (aka 'const complex<float> *') to 'float' for 1st argument
    _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR complex(float __re = 0.0f, float __im = 0.0f)
                                                ^

I can't grasp how to fix this.

Thank you

packet support - some blocks use pkt (bounded io blobs)

add modems

complete modem chains in liquid (qpsk, ofdm, etc)

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