mirror of
https://github.com/bluekitchen/btstack.git
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82 lines
1.8 KiB
Python
82 lines
1.8 KiB
Python
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#!/usr/bin/env python
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# BlueKitchen GmbH (c) 2018
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import sys
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usage = '''This script converts a set of configurations and patches in .emp format for EM9304
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into C files to be used with BTstack.
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Usage:
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$ ./convert_emp.py container.emp
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'''
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header = '''/**
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* BASENAME.h converted from BASENAME.emp
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*/
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#ifndef __BASENAME_H
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#define __BASENAME_H
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#include <stdint.h>
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extern const uint8_t container_blob_data[];
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extern const uint32_t container_blob_size;
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extern const char * container_blob_name;
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#endif
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'''
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code_start = '''/**
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* BASENAME.c converted from BASENAME.bin
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* Size: SIZE bytes
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*/
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#include <stdint.h>
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const char * container_blob_name = "BASENAME";
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const uint8_t container_blob_data[] = {
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'''
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code_end = '''
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};
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const uint32_t container_blob_size = sizeof(container_blob_data);
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'''
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def convert_emp(basename):
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emp_name = basename + '.emp'
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print ('Reading %s' % emp_name)
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with open (emp_name, 'rb') as fin:
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firm = fin.read()
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size = len(firm)
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# reduce size by 4 as it ends with four zero bytes that indicate the end of the file
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size -= 4
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print ('Size %u' % size)
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# don't write .h file as we would need to store its name in btstack_chipset_em9301.c, too
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# with open(basename + '.h', 'w') as fout:
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# fout.write(header.replace('BASENAME',basename));
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with open(basename + '.c', 'w') as fout:
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fout.write(code_start.replace('BASENAME',basename).replace('SIZE',str(size)));
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fout.write(' ')
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for i in range(0,size):
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if i % 1000 == 0:
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print ('- Write %05u/%05u' % (i, size))
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byte = ord(firm[i])
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fout.write("0x{0:02x}, ".format(byte))
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if (i & 0x0f) == 0x0f:
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fout.write('\n ')
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fout.write(code_end);
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print ('Done\n')
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# check usage: 1 param
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if not len(sys.argv) == 2:
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print(usage)
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sys.exit(1)
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name = sys.argv[1]
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basename = name.replace('.emp','')
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convert_emp(basename)
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