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 elopes
add first test an...
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# CMSIS from Atmel Software Foundation (ASF)
The include files in the directory tree are copied from ASF (verion 3.35.1).
The directory tree was copied "as is" from ASF path `sam0/utils/cmsis/` and its
structure is as follows:
cmsis
├── samd21
│ ├── include
│ │ ├── component
│ │ ├── instance
│ │ └── pio
│ └── source
│ ├── gcc
│ └── iar
.
.
.
├── samr21
│ ├── include
│ │ ├── component
│ │ ├── instance
│ │ └── pio
. └── source
. ├── gcc
. └── iar
However, as only the header files in `include` and its subfolders are required,
all `source` folders are removed.
Be aware that if you want to make changes to any file in this tree that the
changes will be lost when a new ASF release is going to be used.
# Usage and porting for SAM based CPUs
SAM based CPU should include `sam0.h` in this directory, which will resolve any
CPU family specific includes required.
Currently only SAMD21, SAML21, and SAMR21 based CPUs are supported, i.e., only
their CMSIS header files are copied from the ASF. If other CPUs are needed copy
CMSIS files from the ASF for the respective CPU family here and adapt `sam0.h`
accordingly.
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