Re: E310, RFNoC OFDM Sync block error

[Marcus D Leech]

This is the wrong mailing list for discussions of USRP hardware. But yes, the 
FPGA in the E310 is not as big as on other USRP devices. 

This discussion should be continued on the usrp-users mailing list. 

Sent from my iPhone

> On Apr 16, 2021, at 8:26 AM, Louis Jung <insomnia@asleep.ai> wrote:
> 
> Dear all,
> 
> I always appreciate your help.
> 
> I’m trying to run Wi-Fi OFDM receiver in E310.
> 
> However, when I tried to build custom fpga image with fft, window, and 
> schmidl_cox blocks, it always fails with the error:
> ''ERROR: [Place 30-640] Place Check : This design requires more Slice LUTs 
> cells than are available in the target device. This design requires 62507 of 
> such cell types but only 53200 compatible sites are available in the target 
> device. Please analyze your synthesis results and constraints to ensure the 
> design is mapped to Xilinx primitives as expected. If so, please consider 
> targeting a larger device. Please set tcl parameter 
> "drc.disableLUTOverUtilError" to 1 to change this error to warning.”
> 
> Is it infeasible in E310 or I misconfigured something?
> 
> Any guess?
> 
> Best,
> 
> Jinhwan