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| author | Martin Braun <martin.braun@ettus.com> | 2021-08-26 10:39:23 +0200 |
|---|---|---|
| committer | Aaron Rossetto <aaron.rossetto@ni.com> | 2021-08-30 12:31:23 -0500 |
| commit | 919043f305efdd29fbdf586e9cde95d9507150e8 (patch) | |
| tree | 383215c83bd3d91949d3d84e9e6fd07608c1f829 /host/include | |
| parent | 7c794c4bd384bbcae051e024086f2293457ddd65 (diff) | |
| download | uhd-919043f305efdd29fbdf586e9cde95d9507150e8.tar.gz uhd-919043f305efdd29fbdf586e9cde95d9507150e8.tar.bz2 uhd-919043f305efdd29fbdf586e9cde95d9507150e8.zip | |
rfnoc: ddc: Improve unit tests and documentation
The previous commit fixed a bug in the DUC, where get_frequency_range()
reported incorrect values. The DDC did not have this bug, but we port
the updates to the unit tests and the documentation from the DUC to the
DDC for consistency's sake.
Diffstat (limited to 'host/include')
| -rw-r--r-- | host/include/uhd/rfnoc/ddc_block_control.hpp | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/host/include/uhd/rfnoc/ddc_block_control.hpp b/host/include/uhd/rfnoc/ddc_block_control.hpp index 834fa0aa3..053b78c4c 100644 --- a/host/include/uhd/rfnoc/ddc_block_control.hpp +++ b/host/include/uhd/rfnoc/ddc_block_control.hpp @@ -79,6 +79,13 @@ public: /*! Return the range of frequencies that \p chan can be set to. * + * The frequency shifter is the first component in the DDC, and thus can + * shift frequencies (digitally) between -get_input_rate()/2 + * and +get_input_rate()/2. + * + * The returned values are in Hz (not normalized frequencies) and are valid + * inputs for set_freq(). + * * \return The range of frequencies that the DDC can shift the input by */ virtual uhd::freq_range_t get_frequency_range(const size_t chan) const = 0; |