OK what are we up to? let's explain

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Jeff Epler 2022-10-22 20:24:44 -05:00
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MIT License
Copyright (c) 2022 Jeff Epler for Adafruit Industries
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.

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# This is a demonstration prototype for CircuitPython "coproc" on esp32s2/s3
Coproc is a new feature in CircuitPython 8 for using the riscv "ultra low power"
coprocessor on esp32s2 and esp32s3 microcontrollers.
Two difficulties presented themselves to me so far:
* Building a program
* Accessing program variables from Python without manually transcribing hex addresses
The code here builds towards addressing these problems.
## Building
```
.../esp-idf/install.sh
. .../esp-idf/export.sh
make
```
## Running Minidump
```
python py/minidump.py
```
## Using
In principle, you now use a wrapper around `minielf` to (A) load the Coproc
binary and (B) to find symbols within the CoprocMemory.

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