add satrx-example for stm32f3-disco here

satrs-example-stm32f3-disco/.vscode/openocd-helpers.tcl

@@ -0,0 +1,17 @@
+#
+# Cortex-Debug extension calls this function during initialization. You can copy this
+# file, modify it and specifyy it as one of the config files supplied in launch.json
+# preferably at the beginning.
+#
+# Note that this file simply defines a function for use later when it is time to configure
+# for SWO.
+#
+set USE_SWO 0
+proc CDSWOConfigure { CDCPUFreqHz CDSWOFreqHz CDSWOOutput } {
+    # Alternative option: Pipe ITM output into itm.txt file
+    # tpiu config internal itm.txt uart off $CDCPUFreqHz
+
+    # Default option so SWO display of VS code works.
+    tpiu config internal $CDSWOOutput uart off $CDCPUFreqHz $CDSWOFreqHz
+    itm port 0 on
+}