Re: [Discuss-gnuradio] RuntimeError: bad lexical cast: source type value could not be interpreted as target

[Josh Blum]

boost lexical cast doesnt have a very telling error does it...

Can you send me the complete verbose?

Does the error happen when you run uhd_usrp_probe?

Howabout uhd.single_usrp_source?

Does GDB give any hint as to where the exception is thrown?

Thanks,
-Josh

On 11/26/2010 04:05 AM, Tobias Schmid wrote:
> Hello,
> 
> I'm trying to use 2 USRP2 using the UHD Driver.
> My version is the git version of yesterday.
> 
> But when I'm trying to build a flowgraph using grc,
> gnuradio isn't able to run the generated code.
> 
> The following error occurs:
> 
> RuntimeError: bad lexical cast: source type value could not be interpreted as 
> target
> 
> And this is the generated code:
> 
> self.uhd_multi_usrp_source_0 = uhd.multi_usrp_source(
> device_addr="addr=192.168.10.2 192.168.10.3",
> io_type=uhd.io_type_t.COMPLEX_FLOAT32,
> num_channels=2,
> )
> _clk_cfg = uhd.clock_config_t()
> _clk_cfg.ref_source = uhd.clock_config_t.REF_SMA
> _clk_cfg.pps_source = uhd.clock_config_t.PPS_SMA
> _clk_cfg.pps_polarity = uhd.clock_config_t.PPS_POS
> self.uhd_multi_usrp_source_0.set_clock_config(_clk_cfg, uhd.ALL_MBOARDS);
> self.uhd_multi_usrp_source_0.set_time_unknown_pps(uhd.time_spec_t())
> self.uhd_multi_usrp_source_0.set_samp_rate(1000000)
> self.uhd_multi_usrp_source_0.set_center_freq(2450000000, 0)
> self.uhd_multi_usrp_source_0.set_gain(20, 0)
> self.uhd_multi_usrp_source_0.set_center_freq(2450000000, 1)
> self.uhd_multi_usrp_source_0.set_gain(20, 1)
> 
> Can someone help me solving this problem?
> 
> Best regards,
> 
> Tobias
> 
> 
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