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samples: http_get: connect without TLS by default on cc3220sf_launchxl

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The example should work on the cc3220sf_launchxl by following the same
flow as on other boards, ie. by connecting with plain http by default
and use TLS only when an overlay is specified. We update the
configuration for cc3220_launchxl to not use TLS by default and the
README to point users to the right overlay file to use.

Signed-off-by: Vincent Wan <vincent.wan@linaro.org>
This commit is contained in:
Vincent Wan 2019-12-11 12:22:43 -08:00 • committed by Maureen Helm
commit f1c0eb915b
3 changed files with 5 additions and 2 deletions
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3
samples/net/sockets/http_get/README.rst
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@ -56,6 +56,9 @@ Enable TLS support in the sample by building the project with the
An alternative way is to specify ``-DOVERLAY_CONFIG=overlay-tls.conf`` when
running ``west build`` or ``cmake``.
For boards that support TLS offloading (e.g. TI's cc3220sf_launchxl), use
``overlay-tls-offload.conf`` instead of ``overlay-tls.conf``.
The certificate used by the sample can be found in the sample's ``src``
directory. The certificate was selected to enable access to the default website
configured in the sample (https://google.com). To access a different web page

3
samples/net/sockets/http_get/boards/cc3220sf_launchxl.conf
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@ -9,8 +9,7 @@ CONFIG_WIFI=y
CONFIG_WIFI_SIMPLELINK=y
CONFIG_NET_SOCKETS_OFFLOAD=y
# Enable Secure Socket Offload
CONFIG_NET_SOCKETS_SOCKOPT_TLS=y
# Enable TLS credential filenames for secure socket offload
CONFIG_TLS_CREDENTIAL_FILENAMES=y
# Disable unneeded settings from the base prj.conf:

1
samples/net/sockets/http_get/overlay-tls-offload.conf Normal file
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@ -0,0 +1 @@
CONFIG_NET_SOCKETS_SOCKOPT_TLS=y