btstack/chipset/da14581/convert_hex_files.py

87 lines
2.0 KiB
Python
Executable File

#!/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 .hex format for Dialog Semiconductor
into C files to be used with BTstack.
'''
header = '''
/**
* BASENAME.h converted from BASENAME.hex
*/
#ifndef __BASENAME_H
#define __BASENAME_H
#include <stdint.h>
extern const uint8_t da14581_fw_data[];
extern const uint32_t da14581_fw_size;
extern const char * da14581_fw_name;
#endif
'''
code_start = '''
/**
* BASENAME.c converted from BASENAME.hex
*/
#include "BASENAME.h"
const char * da14581_fw_name = "BASENAME";
const uint8_t da14581_fw_data[] = {
'''
code_end = '''
};
const uint32_t da14581_fw_size = sizeof(da14581_fw_data);
'''
def convert_hex(basename):
hex_name = basename + '.hex'
print ('Reading %s' % hex_name)
ih = IntelHex(hex_name)
# f = open(basename + '.txt', 'w') # open file for writing
# ih.dump(f) # dump to file object
# f.close() # close file
size = ih.maxaddr() - ih.minaddr() + 1
print '- Start: %x' % ih.minaddr()
print '- End: %x' % ih.maxaddr()
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 % 1000 == 0:
print ('- Write %05u/%05u' % (i, size))
byte = ih[ih.minaddr() + 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('*.hex')
if not files:
print(usage)
sys.exit(1)
# convert each of them
for name in files:
basename = name.replace('.hex','')
convert_hex(basename)