Added exporting script for Vivado

Author: Konstantin Pavlov

scripts/export_autoplaced_pins.tcl

@@ -0,0 +1,23 @@
+#------------------------------------------------------------------------------
+# export_autoplaced_pins.tcl
+# Konstantin Pavlov, pavlovconst@gmail.com
+#------------------------------------------------------------------------------
+
+# INFO ------------------------------------------------------------------------
+# Use this script for Xilinx Vivado environment to export automaticaly
+# placed pins after succesful implementation
+#
+# Source this script from the TCL Console, after opening implemented design
+
+set f [open export.xdc a]
+
+set my_ports [get_ports]
+foreach port_i $my_ports {
+puts $f "set_property PACKAGE_PIN [get_property PACKAGE_PIN $port_i] \[get_ports $port_i \] "
+}
+
+foreach port_i $my_ports {
+puts $f "set_property IOSTANDARD [get_property IOSTANDARD $port_i] \[get_ports $port_i \] "
+}
+
+close $f