Flashing works.

flash.sh

@@ -1,98 +1,40 @@
 #!/bin/bash
+set -e
 
-# flash.sh — Flash nRF54 Dongle using OpenOCD via Raspberry Pi SWD
-
-set -e  # Exit on error
-
-# Default values
 INTERFACE="swd0"
 HEX_FILE=""
 
-# Help message
 usage() {
-  echo "Usage: $0 -f <hex_file> [-i swd0|swd1] [-h]"
-  echo
-  echo "Options:"
-  echo "  -f <hex_file>    Path to the HEX file to flash (required)"
-  echo "  -i <interface>   SWD interface to use: swd0 (default) or swd1"
-  echo "  -h               Show this help message and exit"
+  echo "Usage: $0 -f <hex_file> [-i swd0|swd1]"
   exit 1
 }
 
-# Parse arguments
 while getopts "f:i:h" opt; do
   case "$opt" in
-    f)
-      HEX_FILE="$OPTARG"
-      ;;
+    f) HEX_FILE="$OPTARG" ;;
     i)
       if [[ "$OPTARG" == "swd0" || "$OPTARG" == "swd1" ]]; then
         INTERFACE="$OPTARG"
       else
-        echo "Invalid interface: $OPTARG"
         usage
       fi
       ;;
-    h)
-      usage
-      ;;
-    *)
-      usage
-      ;;
+    h) usage ;;
+    *) usage ;;
   esac
 done
 
-# Verify HEX file is provided
-if [[ -z "$HEX_FILE" ]]; then
-  echo "Error: HEX file not specified."
-  usage
-fi
+[[ -n "$HEX_FILE" ]] || usage
+[[ -f "$HEX_FILE" ]] || { echo "HEX file not found: $HEX_FILE"; exit 1; }
 
-# Check if HEX file exists
-if [[ ! -f "$HEX_FILE" ]]; then
-  echo "Error: HEX file '$HEX_FILE' not found!"
-  exit 1
-fi
-
-# Run OpenOCD flashing command
 sudo openocd \
   -f ./raspberrypi-${INTERFACE}.cfg \
-  -f target/nordic/nrf54l.cfg \
   -c "init" \
-  -c "reset halt" \
-  -c "flash write_image erase $HEX_FILE" \
+  -c "reset init" \
+  -c "flash banks" \
+  -c "flash write_image $HEX_FILE" \
+  -c "verify_image $HEX_FILE" \
   -c "reset run" \
   -c "shutdown"
 
-echo "✅ Flashing complete."
-      exit 1
-      ;;
-    i)
-      if [[ "$OPTARG" == "swd0" || "$OPTARG" == "swd1" ]]; then
-        INTERFACE="$OPTARG"
-      else
-        echo "Invalid interface: $OPTARG"
-        usage
-      fi
-      ;;
-    h)
-      usage
-      ;;
-    *)
-      usage
-      ;;
-  esac
-done
-
-
-# Run OpenOCD flashing command
-sudo openocd \
-  -f ./raspberrypi-${INTERFACE}.cfg \
-  -f target/nordic/nrf54l.cfg \
-  -c "init" \
-  -c "reset halt" \
-  -c "flash write_image erase $HEX_FILE" \
-  -c "reset run" \
-  -c "shutdown"
-
-echo "✅ Flashing complete."
+echo "Flashing complete."