121 lines
3.5 KiB
Python
121 lines
3.5 KiB
Python
#!/usr/bin/env python
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###############################################################################
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# File Name: elf2c.py
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#
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# Description:
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# Basic python script to convert the binary output from objcopy into a basic c
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# array.
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#
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###############################################################################
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# Copyright 2019-2021 Cypress Semiconductor Corporation (an Infineon company)
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# or an affiliate of Cypress Semiconductor Corporation
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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###############################################################################
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import os
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import sys
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import argparse
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import binascii
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number_of_columns = 16
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copyright = """/***************************************************************************//**
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* \\file {}
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*
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* \\brief
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* Cortex-M0+ prebuilt application image.
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*
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********************************************************************************
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* \\copyright
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* Copyright (c) 2018-2021 Cypress Semiconductor Corporation (an Infineon
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* company) or an affiliate of Cypress Semiconductor Corporation
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* SPDX-License-Identifier: LicenseRef-PBL
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*
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* Licensed under the Permissive Binary License
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*******************************************************************************/
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"""
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header = """
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#if defined(__APPLE__) && defined(__clang__)
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__attribute__ ((__section__("__CY_M0P_IMAGE,__cy_m0p_image"), used))
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#elif defined(__GNUC__) || defined(__ARMCC_VERSION)
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__attribute__ ((__section__(".cy_m0p_image"), used))
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#elif defined(__ICCARM__)
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#pragma location=".cy_m0p_image"
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#else
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#error "An unsupported toolchain"
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#endif
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const uint8_t cy_m0p_image[] = {
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"""
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c_list = []
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# Get component name from the command line
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parser = argparse.ArgumentParser()
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parser.add_argument("bin_path", help="Specify path the input binary file to be converted to a C array.")
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parser.add_argument("c_path", help="Specify path the output C file with the C array.")
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parser.add_argument("c_macro", help="Specify the C preprocessor macro to wrap the variable.")
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args = parser.parse_args()
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bin_path = args.bin_path
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c_path = args.c_path
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c_macro = args.c_macro
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c_file=os.path.basename(c_path)
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f = open(bin_path, "rb")
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data = list(f.read())
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with open(c_path, "w") as c_fd:
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# Clear content of the file
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c_fd.seek(0)
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c_fd.truncate()
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# Write copyright
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c_fd.write(copyright.format(c_file))
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# Include headers
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c_fd.write("#include <stdint.h>\n")
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c_fd.write("#include \"cy_device_headers.h\"\n")
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c_fd.write("\n")
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# Open conditional block
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if c_macro:
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c_fd.write("#if defined(" + c_macro + ")\n")
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# Write template
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c_fd.write(header)
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# Generate list of the data bytes
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for n in data:
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c_list.append(format(n, '#04x'))
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for i in range(int(len(c_list) / number_of_columns) + 1):
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line_list = c_list[i * number_of_columns: (i + 1) * number_of_columns]
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c_fd.write(" ")
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for item in line_list:
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c_fd.write(" %su," % item)
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c_fd.write("\n")
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c_fd.write("};\n")
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# Close conditional block
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if c_macro:
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c_fd.write("#endif /* defined(" + c_macro + ") */")
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c_fd.write("\n")
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f.close()
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