jpendlum/gr-zynq

GNU Radio support for Xilinx Zynq based FPGA accelerators

gr-zynq's Issues

block incompatibility - possibly due to GNU Radio upgrades

Following this
http://gnuradio.org/redmine/projects/gnuradio/wiki/Zynq

the examples don't work anymore. Errors when starting up the wideband receive shown below.

<<< Welcome to GNU Radio Companion v3.7.x-xxx-xunknown >>>

Loading: "wbfm_receive_fpga.grc"

Error: Block key "variable_slider" not found in Platform - grc(GNU Radio Companion)
Error: Block key "variable_slider" not found in Platform - grc(GNU Radio Companion)
Error: Block key "variable_slider" not found in Platform - grc(GNU Radio Companion)
Error: Block key "variable_slider" not found in Platform - grc(GNU Radio Companion)
Error: Block key "fir_filter_fpga_xx" not found in Platform - grc(GNU Radio Companion)
Error: Block key "wxgui_fftsink2" not found in Platform - grc(GNU Radio Companion)
Error: Connection between uhd_usrp_source_0(0) and fir_filter_fpga_xx_0(0) could not be made.
sink block id "fir_filter_fpga_xx_0" not in block ids
Error: Connection between fir_filter_fpga_xx_0(0) and wxgui_fftsink2(0) could not be made.
source block id "fir_filter_fpga_xx_0" not in block ids
Error: Connection between fir_filter_fpga_xx_0(0) and analog_wfm_rcv_0(0) could not be made.
source block id "fir_filter_fpga_xx_0" not in block ids
Done

Showing: "/home/root/gr-zynq/examples/wbfm_receive_fpga.grc"

adding a path to the fpga block does resolve the filter
export GRC_BLOCKS_PATH=/usr/local/share/gnuradio/grc/blocks