Switch to .hwh file from .tcl file

README.md

@@ -1,6 +1,7 @@
 # What is this?
 
-This is a method of reading the Device DNA from the PL for Zynq 7000 devices wrapped in an AXI interface for easy MMIO access on the PS.
+This is a method of reading the Device DNA from the PL for Zynq 7000 devices
+wrapped in an AXI interface for easy MMIO access on the PS.
 
 This is built with Vivado 2018.3 and is based off the
 [Xilinx AXI_DNA](https://www.xilinx.com/support/answers/71342.html)
@@ -34,7 +35,7 @@ the ``bin`` directory.
 
 ### Test it out
 
-You can now copy ``dna_extractor.bit`` and ``dna_extractor.tcl`` from
+You can now copy ``dna_extractor.bit`` and ``dna_extractor.hwh`` from
 the ``bin`` directory to the ``/home/xilinx`` directory of your PYNQ board and
 copy the ``DNA_test.ipynb`` notebook to the
 ``/home/xilinx/jupyter_notebooks`` directory.

pynq_dna/PYNQ_DNA.tcl

@@ -469,7 +469,8 @@ export_ip_user_files -of_objects [get_files ./src/design_1.bd] -no_script -force
 export_simulation -of_objects [get_files ./src/design_1.bd] -directory ./DNA_extractor/DNA_extractor.ip_user_files/sim_scripts -ip_user_files_dir ./DNA_extractor/DNA_extractor.ip_user_files -ipstatic_source_dir ./DNA_extractor/DNA_extractor.ip_user_files/ipstatic -force -quiet
 launch_runs impl_1 -to_step write_bitstream -jobs 6
 wait_on_run impl_1
-write_bd_tcl -force ./bin/dna_extractor.tcl
 file copy -force ./DNA_extractor/DNA_extractor.runs/impl_1/design_1_wrapper.bit ./bin/dna_extractor.bit
+file copy -force ./src/hw_handoff/design_1.hwh ./bin/dna_extractor.hwh
+
 exit