From 75ee72e1b9f9eafc11d42abb7762f0c5223a4f7c Mon Sep 17 00:00:00 2001
From: Kai Lauterbach <klaute@gmx.de>
Date: Fri, 19 Apr 2024 18:54:13 +0200
Subject: [PATCH] Function added to write a radio eeprom hexdump file.

---
 uvk5_CEC_05_HF_DO4KLA.py | 30 ++++++++++++++++++++++++++++++
 1 file changed, 30 insertions(+)

diff --git a/uvk5_CEC_05_HF_DO4KLA.py b/uvk5_CEC_05_HF_DO4KLA.py
index 65d1c03..7e19e8a 100755
--- a/uvk5_CEC_05_HF_DO4KLA.py
+++ b/uvk5_CEC_05_HF_DO4KLA.py
@@ -58,6 +58,8 @@ DEBUG_SHOW_OBFUSCATED_COMMANDS = False
 # might be useful for someone debugging some obscure memory issue
 DEBUG_SHOW_MEMORY_ACTIONS = False
 
+DEBUG_WRITE_RADIO_HEXDUMP = True
+
 MEM_FORMAT = """
 #seekto 0x0000;
 struct {
@@ -626,9 +628,37 @@ def do_download(radio):
         else:
             raise errors.RadioError("Memory download incomplete")
 
+    if DEBUG_WRITE_RADIO_HEXDUMP:
+        hex_data = _convert_to_intel_hex(eeprom)
+        _save_to_hex_file(hex_data, "radio_dump.hex")
+
     return memmap.MemoryMapBytes(eeprom)
 
 
+def _convert_to_intel_hex(data):
+    hex_data = ""
+    for i in range(0, len(data), 16):
+        chunk = data[i:i+16]
+        hex_data += ":"
+        hex_data += format(len(chunk), "02X")
+        hex_data += format(i >> 8, "04X")
+        hex_data += format(i & 0xFF, "02X")
+        hex_data += "00"
+        for byte in chunk:
+            hex_data += format(byte, "02X")
+        checksum = (len(chunk) + (i >> 8) + (i & 0xFF)) & 0xFF
+        checksum = ((~checksum) + 1) & 0xFF
+        hex_data += format(checksum, "02X")
+        hex_data += "\n"
+    hex_data += ":00000001FF"  # End of file record
+    return hex_data
+
+
+def _save_to_hex_file(data, filename):
+    with open(filename, "w") as f:
+        f.write(data)
+
+
 def do_upload(radio):
     serport = radio.pipe
     serport.timeout = 0.5