add openocd interface config for nrf52

erase_all.sh

@@ -0,0 +1,39 @@
+#!/bin/bash
+
+# erase_all.sh — Erase entire Flash on nRF52 via OpenOCD
+
+set -e  # Exit on error
+
+# Default interface is swd0
+INTERFACE="swd0"
+
+# Parse command line argument for SWD interface
+while getopts "i:" opt; do
+  case "$opt" in
+    i)
+      if [[ "$OPTARG" == "swd0" || "$OPTARG" == "swd1" ]]; then
+        INTERFACE="$OPTARG"
+      else
+        echo "Invalid interface: $OPTARG"
+        echo "Usage: $0 [-i swd0|swd1]"
+        exit 1
+      fi
+      ;;
+    *)
+      echo "Usage: $0 [-i swd0|swd1]"
+      exit 1
+      ;;
+  esac
+done
+
+# Run OpenOCD command for full chip erase
+sudo openocd \
+  -f ./raspberrypi-${INTERFACE}.cfg \
+  -f target/nrf52.cfg \
+  -c "init" \
+  -c "nrf52_recover" \
+  -c "reset halt" \
+  -c "nrf5 mass_erase" \
+  -c "shutdown"
+
+echo "✅ Device erase complete."