reloader: OTA flashing tool for wasp-os

1 files changed, 37 insertions, 0 deletions

diff --git a/tools/hex2c.py b/tools/hex2c.py
new file mode 100755
index 0000000..eb4f34d
--- /dev/null
+++ b/tools/hex2c.py
@@ -0,0 +1,37 @@
+#!/usr/bin/env python3
+
+# SPDX-License-Identifier: LGPL-3.0-or-later
+# Copyright (C) 2020 Daniel Thompson
+
+import intelhex
+import sys
+
+def generate_c(ihex):
+    print('/* this file is auto-generated - DO NOT EDIT */')
+    print()
+    print('#include <stdint.h>')
+    print()
+    print('struct segment {')
+    print('    uint32_t start;');
+    print('    uint32_t end;');
+    print('    const uint8_t *data;')
+    print('};')
+    print()
+
+    for i, segment in enumerate(ihex.segments()):
+        print(f'static const uint8_t segment{i}[] = {{', end='')
+
+        for j in range(segment[0], segment[1]):
+            if 0 == j % 12:
+                print('\n   ', end='')
+            print(f' 0x{ihex[j]:02x},', end='')
+
+        print('\n};\n')
+    print(f'const struct segment segments[] = {{')
+    for i, segment in enumerate(ihex.segments()):
+        print(f'    0x{segment[0]:08x}, 0x{segment[1]:08x}, segment{i},')
+    print('};')
+
+ihex = intelhex.IntelHex()
+ihex.loadhex(sys.argv[1])
+generate_c(ihex)