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[samr21] fix gcc 7 compilation issue and update README.md (#2552)

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* [samr21] add conditional -Wno-expansion-to-defined for GCC7 (#2548)

Signed-off-by: Oleksandr Grytsov <[email protected]>

* [samr21] update README.md (#2548)

Signed-off-by: Oleksandr Grytsov <[email protected]>
This commit is contained in:
Oleksandr Grytsov
2018-02-09 16:54:49 +00:00
committed by Jonathan Hui
parent 878950990a
commit e7cbed07e0
2 changed files with 6 additions and 9 deletions
Download Patch File Download Diff File Expand all files Collapse all files
examples/platforms/samr21/Makefile.am
+1
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@@ -91,6 +91,7 @@ libopenthread_samr21_a_CPPFLAGS
-Werror \
-Wno-unused-parameter \
-Wno-implicit-function-declaration \
-Wno-expansion-to-defined \
-fno-strict-aliasing \
$(NULL)
examples/platforms/samr21/README.md
+5 -9
View File
@@ -36,21 +36,17 @@ $ ./script/bootstrap
$ unzip asf-standalone-archive-3.35.1.54.zip
$ cp xdk-asf-3.35.1 -rf <path-to-openthread>/third_party/microchip/asf
```
3. SAM R21 Xplained Pro board doesn't have IEEE extended address assigned. It should be
assigned before build. In this example IEEE address is assigned by setting
CONF_IEEE_ADDRESS macro in `conf_board.h`. If you use few SAM R21 Xplained Pro boards
for test, make sure that each board has individual IEEE address.
4. This example can be built for other SAMR21 based modules. For example [ATSAMR21G18-MR21][MODULE-MR21],
3. This example can be built for other SAMR21 based modules. For example [ATSAMR21G18-MR21][MODULE-MR21],
[ATSAMR21B18-MZ21][MODULE-MZ21]. To build for these modules set
SAMR21_BOARD=USER_BOARD and SAMR21_CPU=\_\_SAMR21XXXX\_\_ in `examples/samr21/Makefile.am`. Then
configure peripherals in `user_board.h`. For these modules IEEE address is stored at special
address in ROM. IEEE address is read from this location if CONF_IEEE_ADDRESS macro is not set.
configure peripherals in `third_party/microchip/include/user_board.h`.
For these modules IEEE address is stored at special address in ROM and retreived
from this location if CONF_IEEE_ADDRESS macro is not set.
[MODULE-MR21]: http://www.atmel.com/Images/Atmel-42475-ATSAMR21G18-MR210UA_Datasheet.pdf
[MODULE-MZ21]: http://www.atmel.com/images/Atmel-42486-atsamr21b18-mz210pa_datasheet.pdf
5. Build OpenThread Firmware (CLI example) on SAMR21 platform.
4. Build OpenThread Firmware (CLI example) on SAMR21 platform.
```bash
$ cd <path-to-openthread>