tools: add tools to convert binary to c headers

Signed-off-by: Rafael Silva <perigoso@riseup.net>

Author: perigoso

tools/bin2header.py

@@ -0,0 +1,67 @@
+#!/usr/bin/env python3
+
+import argparse
+import os
+import struct
+import sys
+from pathlib import Path
+
+def print_preamble(output_file, from_string):
+    print(f'\
+/*\r\n\
+ * File automatically generated by: {Path(__file__).name}\r\n\
+ * From binary: {from_string}\r\n\
+ */\r\n\
+\n\
+#pragma once\r\n\
+\n', file=output_file, end='')
+
+
+def print_array(output_file, name, byte_array):
+    print(f'static const uint8_t {name}[] = ', file=output_file, end='{\r\n\t')
+
+    num_bytes = sum(1 for byte in byte_array)
+
+    for i in range(num_bytes):
+        if (i + 1) % 16 == 0:
+            print(f'0x{byte_array[i]:02X},', file=output_file, end='\r\n\t')
+        elif (i + 1) == num_bytes:
+            print(f'0x{byte_array[i]:02X}', file=output_file, end='};\r\n')
+        else:
+            print(f'0x{byte_array[i]:02X}, ', file=output_file, end='')
+
+
+if __name__ == '__main__':
+    parser = argparse.ArgumentParser(description='Format binary file to C header')
+    parser.add_argument('-o', '--output', type=str,
+                        help='Output file.')
+    parser.add_argument('binary', metavar='binary.bin', type=str,
+                        help='binary to parse.')
+    args = parser.parse_args()
+
+    if not args.binary or not os.path.exists(args.binary):
+        print(f'{args.binary} doesn\'t exist', file=sys.stderr)
+        exit(1)
+
+    try:
+        binary = open(args.binary, 'rb')
+    except PermissionError as e:
+        print(f'can\'t open {args.binary}: {str(e)}', file=sys.stderr)
+        exit(1)
+
+    if args.output:
+        output_file = args.output
+    else:
+        output_file = Path(args.binary).stem + '.h'
+
+    try:
+        output = open(output_file, 'wt')
+    except PermissionError as e:
+        print(f'can\'t open {output_file}: {str(e)}', file=sys.stderr)
+        exit(1)
+
+    num_bytes = os.path.getsize(args.binary)
+    binary_bytes = bytearray(binary.read(num_bytes))
+
+    print_preamble(output, Path(args.binary).name)
+    print_array(output, Path(args.binary).stem, binary_bytes)

tools/header2bin.c

@@ -0,0 +1,29 @@
+#define HEADER_INCLUDE  "../include/truemove3.h"
+#define ARRAY_NAME      truemove3
+
+#include <stdio.h>
+#include <stdlib.h>
+#include HEADER_INCLUDE
+
+int main()
+{
+    FILE *fptr;
+
+    fptr = fopen("h2b_output.bin","wb");
+
+    if(fptr == NULL)
+    {
+        printf("Could not open binary.");
+        exit(1);
+    }
+
+    for(size_t i = 0; i < sizeof(ARRAY_NAME); i++)
+    {
+        unsigned char byte = ARRAY_NAME[i];
+        fwrite(&byte, sizeof(byte), 1, fptr);
+    }
+
+    fclose(fptr);
+
+    exit(0);
+}