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docs: Update sam4e8e docs and benchmarks (#562)

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Signed-off-by: Florian Heilmann <Florian.Heilmann@gmx.net>
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Florian Heilmann 2018-08-23 01:17:43 +02:00 • committed by KevinOConnor
parent e94f3b7827
commit a8a912fbb5
3 changed files with 36 additions and 1 deletions
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docs/Bootloaders.md Normal file → Executable file
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@ -144,6 +144,24 @@ stty -F /dev/ttyACM0 1200
bossac -i -p ttyACM0 -R -e -w -v -b out/klipper.bin
```
SAM4 micro-controllers (Duet Wifi)
====================================
It is not common to use a bootloader with the SAM4 mcu. The chip
itself has a ROM that allows the flash to be programmed from 3.3V
serial port or from USB.
To enable the ROM, the "erase" pin is held high during a reset, which
erases the flash contents, and causes the ROM to run.
The code at https://github.com/shumatech/BOSSA can be used to program
the SAM4. It is necessary to use version `1.8.0` or higher.
To flash an application use something like:
```
bossac --port=/dev/ttyACM0 -b -U -e -w -v -R out/klipper.bin
```
SAMD21 micro-controllers (Arduino Zero)
=======================================