From 44149d3a0fec35241d23d10635df08d4a0746064 Mon Sep 17 00:00:00 2001
From: Matthias Ringwald <matthias@ringwald.ch>
Date: Sun, 23 Jul 2017 12:51:46 +0200
Subject: [PATCH] atwilc3000: convert .bin into .h + .c file

---
 chipset/atwilc3000/Makefile                |  3 +-
 chipset/atwilc3000/convert_firmware_bin.py | 83 ++++++++++++++++++++++
 2 files changed, 84 insertions(+), 2 deletions(-)
 create mode 100755 chipset/atwilc3000/convert_firmware_bin.py

diff --git a/chipset/atwilc3000/Makefile b/chipset/atwilc3000/Makefile
index 57f7143a3..8844468f5 100644
--- a/chipset/atwilc3000/Makefile
+++ b/chipset/atwilc3000/Makefile
@@ -9,8 +9,7 @@ wilc3000_bt_firmware.bin:
 	curl -O https://raw.githubusercontent.com/atwilc3000/firmware/master/wilc3000_bt_firmware.bin
 
 wilc3000_bt_firmware_no_rtc.bin:
-	curl -O https://raw.github.com/atwilc3000/firmware/raw/master/wilc3000_bt_firmware_no_rtc.bin
-
+	curl -O https://raw.githubusercontent.com/atwilc3000/firmware/master/wilc3000_bt_firmware_no_rtc.bin
 clean:
 	rm -f *.h *.c
 
diff --git a/chipset/atwilc3000/convert_firmware_bin.py b/chipset/atwilc3000/convert_firmware_bin.py
new file mode 100755
index 000000000..79d767c3b
--- /dev/null
+++ b/chipset/atwilc3000/convert_firmware_bin.py
@@ -0,0 +1,83 @@
+#!/usr/bin/env python
+# BlueKitchen GmbH (c) 2012-2014
+
+# avr-objcopy -I ihex -O binary hci_581_active_uart.hex hci_581_active_uart.bin
+
+# requires IntelHex package https://pypi.python.org/pypi/IntelHex
+# docs: http://python-intelhex.readthedocs.io/en/latest/
+
+from intelhex import IntelHex
+import glob
+
+usage = '''This script converts the HCI Firmware in .bin format for Atmel WILC3000
+into C files to be used with BTstack.
+'''
+
+header = '''
+/** 
+ * BASENAME.h converted from BASENAME.bin 
+ */
+
+#ifndef __BASENAME_H
+#define __BASENAME_H
+
+#include <stdint.h>
+
+extern const uint8_t  atwilc3000_fw_data[];
+extern const uint32_t atwilc3000_fw_size;
+extern const char *   atwilc3000_fw_name;
+
+#endif
+'''
+
+code_start = '''
+/** 
+ * BASENAME.c converted from BASENAME.bin
+ */
+
+#include "BASENAME.h"
+
+const char *   atwilc3000_fw_name = "BASENAME";
+
+const uint8_t  atwilc3000_fw_data[] = {
+'''
+
+code_end = '''
+};
+const uint32_t atwilc3000_fw_size = sizeof(atwilc3000_fw_data);
+'''
+
+def convert_bin(basename):
+	bin_name = basename + '.bin'
+	print ('Reading %s' % bin_name)
+
+	with open (bin_name, 'rb') as fin:
+		firm = fin.read()
+		size = len(firm)
+		print ('Size %u', size)
+
+		with open(basename + '.h', 'w') as fout:
+			fout.write(header.replace('BASENAME',basename));
+
+		with open(basename + '.c', 'w') as fout:
+			fout.write(code_start.replace('BASENAME',basename));
+			fout.write('    ')
+			for i in range(0,size):
+				if i % 10000 == 0:
+					print ('- Write %05u/%05u' % (i, size))
+				byte = ord(firm[i])
+				fout.write("0x{0:02x}, ".format(byte))
+				if (i & 0x0f) == 0x0f:
+					fout.write('\n    ')
+			fout.write(code_end);
+			print ('Done\n') 
+
+files =  glob.glob('*.bin')
+if not files:
+    print(usage)
+    sys.exit(1) 
+
+# convert each of them
+for name in files:
+	basename = name.replace('.bin','')
+	convert_bin(basename)