Like question 1: Do I need to "make" the uhd_meta_range_handle or will the call to uhd_usrp_get_rx_gain_range make it?
If I need to make it, I assume that I also need to free it. If I don't need to make it, do I still need to free it? On Sat, Jul 15, 2017 at 1:46 PM, Sivan Toledo <stol...@tau.ac.il> wrote: > I'm converting a CPP code from UHD 3.8.5 to the C api for 3.10. (The main > reason for the conversion is that I binaries of my CPP programs don't run > on both Ubuntu 14 and 16 because of incompatible libboost; hopefully using > the C API and the Ubuntu uhd-host package will resolve this). > > I have a few questions: > > 1. Is the following correct, or do I have to "make" the > string_vector_handle before I pass it to get_rx_gain_names? The manual says > to always make, but my intuition is that get_rx_gain_names will make it for > me, given that it gets a pointer to the handle, not the handle itself. > > uhd_string_vector_handle gain_names; > uhd_usrp_get_rx_gain_names(usrp, 0 /* channel */, &gain_names); > > 2. Is there a C api version of set_rx_gain > <https://files.ettus.com/manual/classuhd_1_1usrp_1_1multi__usrp.html#a8234968ad1fefef299ef9541cc193915> > (double > gain, size_t chan=0)? In the header files I found only set_rx_gain but > with a gain_name argument. The CPP api has two overloaded methods, one with > a gain-name argument and the other without it. Is the convenience method > missing from the C API? Can I invoke it by passing NULL for the gain name? > > Thanks, Sivan Toledo >
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