[mbedmicro/pyOCD] STM32F401RE CMSIS-Pack fails to load (#612)
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Chris Reed
Apr 12, 2019, 12:50:12 PM4/12/19
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The log from the failure:
> pyocd gdb -t stm32f401re --pack /Users/matost01/Downloads/CMSIS/STM32F4xx_DFP.2.13.0.pack
0000355:INFO:pack_target:Loading CMSIS-Pack: /Users/matost01/Downloads/CMSIS/STM32F4xx_DFP.2.13.0.pack
0000457:INFO:board:Target type is stm32f401re
0000464:WARNING:flash_algo:Not enough space for flash algorithm
0000464:ERROR:__main__:uncaught exception: unsupported operand type(s) for -: 'tuple' and 'int'
Traceback (most recent call last):
File "/Users/matost01/mbed-studio-tools/python/lib/python2.7/site-packages/pyocd/__main__.py", line 304, in run
self._commands[self._args.cmd]()
File "/Users/matost01/mbed-studio-tools/python/lib/python2.7/site-packages/pyocd/__main__.py", line 463, in do_gdbserver
**sessionOptions)
File "/Users/matost01/mbed-studio-tools/python/lib/python2.7/site-packages/pyocd/core/helpers.py", line 196, in session_with_chosen_probe
session = Session(allProbes[0], options=options, **kwargs)
File "/Users/matost01/mbed-studio-tools/python/lib/python2.7/site-packages/pyocd/core/session.py", line 127, in __init__
or Board(self, self._options.get('target_override', None))
File "/Users/matost01/mbed-studio-tools/python/lib/python2.7/site-packages/pyocd/board/board.py", line 47, in __init__
self.target = TARGET[self._target_type](session)
File "/Users/matost01/mbed-studio-tools/python/lib/python2.7/site-packages/pyocd/target/pack/pack_target.py", line 31, in _pack_target__init__
super(self.__class__, self).__init__(session, self._pack_device.memory_map)
File "/Users/matost01/mbed-studio-tools/python/lib/python2.7/site-packages/pyocd/target/pack/cmsis_pack.py", line 454, in memory_map
self._build_flash_regions()
File "/Users/matost01/mbed-studio-tools/python/lib/python2.7/site-packages/pyocd/target/pack/cmsis_pack.py", line 386, in _build_flash_regions
length = nextStart - start
TypeError: unsupported operand type(s) for -: 'tuple' and 'int'```
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Matt Oster
Apr 15, 2019, 9:07:36 AM4/15/19
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I quickly changed line 385 of target/pack/cmsis_pack.py from:
nextStart = packAlgo.sector_sizes[i + 1]
to:
nextStart, nextBlocksize = packAlgo.sector_sizes[i + 1]
to work around the issue. Whether that is a sensible change in the grand scheme of things...
Chris Reed
Apr 15, 2019, 10:54:44 AM4/15/19
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@matt-oster, thanks! This is ultimately caused by the 128 kB sectors on this device being so large that the flash algo and data buffer can't fit in available RAM. This will be fixed shortly when I update the pack algo support to take advantage of support for different erase/program sizes.
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