Arrow / Mbed OS DAPLink Reset

Repostiory containing DAPLink source code with Reset Pin workaround for HANI_IOT board.

Upstream: https://github.com/ARMmbed/DAPLink

tools/generate_config.py@0:01f31e923fe2, 2020-04-07 (annotated)

Committer:
Pawel Zarembski
Date:
Tue Apr 07 12:55:42 2020 +0200
Revision:
0:01f31e923fe2
hani: DAPLink with reset workaround

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Pawel Zarembski 0:01f31e923fe2 1 #
Pawel Zarembski 0:01f31e923fe2 2 # DAPLink Interface Firmware
Pawel Zarembski 0:01f31e923fe2 3 # Copyright (c) 2009-2016, ARM Limited, All Rights Reserved
Pawel Zarembski 0:01f31e923fe2 4 # SPDX-License-Identifier: Apache-2.0
Pawel Zarembski 0:01f31e923fe2 5 #
Pawel Zarembski 0:01f31e923fe2 6 # Licensed under the Apache License, Version 2.0 (the "License"); you may
Pawel Zarembski 0:01f31e923fe2 7 # not use this file except in compliance with the License.
Pawel Zarembski 0:01f31e923fe2 8 # You may obtain a copy of the License at
Pawel Zarembski 0:01f31e923fe2 9 #
Pawel Zarembski 0:01f31e923fe2 10 # http://www.apache.org/licenses/LICENSE-2.0
Pawel Zarembski 0:01f31e923fe2 11 #
Pawel Zarembski 0:01f31e923fe2 12 # Unless required by applicable law or agreed to in writing, software
Pawel Zarembski 0:01f31e923fe2 13 # distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
Pawel Zarembski 0:01f31e923fe2 14 # WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
Pawel Zarembski 0:01f31e923fe2 15 # See the License for the specific language governing permissions and
Pawel Zarembski 0:01f31e923fe2 16 # limitations under the License.
Pawel Zarembski 0:01f31e923fe2 17 #
Pawel Zarembski 0:01f31e923fe2 18
Pawel Zarembski 0:01f31e923fe2 19 import struct
Pawel Zarembski 0:01f31e923fe2 20 import argparse
Pawel Zarembski 0:01f31e923fe2 21 from intelhex import IntelHex
Pawel Zarembski 0:01f31e923fe2 22
Pawel Zarembski 0:01f31e923fe2 23 CFG_KEY = 0x6b766c64
Pawel Zarembski 0:01f31e923fe2 24 # Must stay in sync with the structure cfg_setting
Pawel Zarembski 0:01f31e923fe2 25 # in the header file config_settings.h:
Pawel Zarembski 0:01f31e923fe2 26 # 32 - key
Pawel Zarembski 0:01f31e923fe2 27 # 16 - offset_of_end
Pawel Zarembski 0:01f31e923fe2 28 # 8 - auto_rst
Pawel Zarembski 0:01f31e923fe2 29 # 8 - automation_allowed
Pawel Zarembski 0:01f31e923fe2 30 # 8 - overflow_detect
Pawel Zarembski 0:01f31e923fe2 31 # 0 - 'end' member omitted
Pawel Zarembski 0:01f31e923fe2 32 FORMAT = '<LHBBB'
Pawel Zarembski 0:01f31e923fe2 33 FORMAT_LENGTH = struct.calcsize(FORMAT)
Pawel Zarembski 0:01f31e923fe2 34 MINIMUM_ALIGN = 1 << 10 # 1k aligned
Pawel Zarembski 0:01f31e923fe2 35
Pawel Zarembski 0:01f31e923fe2 36
Pawel Zarembski 0:01f31e923fe2 37 def create_hex(filename, addr, auto_rst, automation_allowed,
Pawel Zarembski 0:01f31e923fe2 38 overflow_detect, pad_size):
Pawel Zarembski 0:01f31e923fe2 39 file_format = 'hex'
Pawel Zarembski 0:01f31e923fe2 40 intel_hex = IntelHex()
Pawel Zarembski 0:01f31e923fe2 41 intel_hex.puts(addr, struct.pack(FORMAT, CFG_KEY, FORMAT_LENGTH, auto_rst,
Pawel Zarembski 0:01f31e923fe2 42 automation_allowed, overflow_detect))
Pawel Zarembski 0:01f31e923fe2 43 pad_addr = addr + FORMAT_LENGTH
Pawel Zarembski 0:01f31e923fe2 44 pad_byte_count = pad_size - (FORMAT_LENGTH % pad_size)
Pawel Zarembski 0:01f31e923fe2 45 pad_data = '\xFF' * pad_byte_count
Pawel Zarembski 0:01f31e923fe2 46 intel_hex.puts(pad_addr, pad_data)
Pawel Zarembski 0:01f31e923fe2 47 with open(filename, 'wb') as f:
Pawel Zarembski 0:01f31e923fe2 48 intel_hex.tofile(f, file_format)
Pawel Zarembski 0:01f31e923fe2 49
Pawel Zarembski 0:01f31e923fe2 50
Pawel Zarembski 0:01f31e923fe2 51 def str_to_int(val):
Pawel Zarembski 0:01f31e923fe2 52 return int(val, 0)
Pawel Zarembski 0:01f31e923fe2 53
Pawel Zarembski 0:01f31e923fe2 54
Pawel Zarembski 0:01f31e923fe2 55 POWERS_OF_TWO = [2**num for num in range(0, 32)]
Pawel Zarembski 0:01f31e923fe2 56 parser = argparse.ArgumentParser(description='Configuration Creator')
Pawel Zarembski 0:01f31e923fe2 57 parser.add_argument("--addr", type=str_to_int, required=True, help="Address of configuration data")
Pawel Zarembski 0:01f31e923fe2 58 parser.add_argument("--auto_rst", type=int, required=True, choices=[0, 1], help="Auto reset configuration value")
Pawel Zarembski 0:01f31e923fe2 59 parser.add_argument("--automation_allowed", type=int, required=True, choices=[0,1], help="Allow automation from filesystem interaction")
Pawel Zarembski 0:01f31e923fe2 60 parser.add_argument("--overflow_detect", type=int, required=True, choices=[0,1], help="Enable detection of UART overflow")
Pawel Zarembski 0:01f31e923fe2 61 parser.add_argument("--pad", type=int, default=16, choices=POWERS_OF_TWO, metavar="{1, 2, 4,...}", help="Byte aligned boundary to pad region to")
Pawel Zarembski 0:01f31e923fe2 62 parser.add_argument("--output_file", type=str, default='settings.hex', help="Name of output file")
Pawel Zarembski 0:01f31e923fe2 63
Pawel Zarembski 0:01f31e923fe2 64
Pawel Zarembski 0:01f31e923fe2 65 def main():
Pawel Zarembski 0:01f31e923fe2 66 args = parser.parse_args()
Pawel Zarembski 0:01f31e923fe2 67 print "Output file %s" % args.output_file
Pawel Zarembski 0:01f31e923fe2 68 print "Config Offset 0x%x" % args.addr
Pawel Zarembski 0:01f31e923fe2 69 if args.addr % MINIMUM_ALIGN != 0:
Pawel Zarembski 0:01f31e923fe2 70 print "WARNING! Configuration is not on a 1K boundary"
Pawel Zarembski 0:01f31e923fe2 71 if args.addr % args.pad != 0:
Pawel Zarembski 0:01f31e923fe2 72 print "WARNING! Configuration is not aligned to pad size"
Pawel Zarembski 0:01f31e923fe2 73 print "Settings:"
Pawel Zarembski 0:01f31e923fe2 74 print " auto_rst: %i" % args.auto_rst
Pawel Zarembski 0:01f31e923fe2 75 print " automation_allowed: %i" % args.automation_allowed
Pawel Zarembski 0:01f31e923fe2 76 print " overflow_detect: %i" % args.overflow_detect
Pawel Zarembski 0:01f31e923fe2 77 print ""
Pawel Zarembski 0:01f31e923fe2 78 create_hex(args.output_file, args.addr, args.auto_rst,
Pawel Zarembski 0:01f31e923fe2 79 args.automation_allowed, args.overflow_detect, args.pad)
Pawel Zarembski 0:01f31e923fe2 80
Pawel Zarembski 0:01f31e923fe2 81 if __name__ == '__main__':
Pawel Zarembski 0:01f31e923fe2 82 main()