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README.md: add known issues and limitations 

https://jira.digi.com/browse/DEL-3557

Signed-off-by: Javier Viguera <javier.viguera@digi.com>
This commit is contained in:
Javier Viguera 2017-02-02 19:53:20 +01:00
parent aebaedd365
commit a077822c3d
1 changed files with 15 additions and 4 deletions
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@ -142,13 +142,24 @@ after a failed attempt. Hence the target needs to be reset after an
authentication failure.
* If TrustFence (TM) image encryption support is enabled, the uSD image will
boot a signed U-Boot only.
* Firmware update
* Updating from a microSD card is not supported, only from local partitions
(e.g. the 'update' partition) or from external USB memory devices.
* The software update package must be located in the root level of the
update media (subfolders are not yet supported).
* Cloud Connector
* Remote file system management fails with long file names and paths
(over 255 characters).
* Data points are always sent to the server although data service is
disabled.
## Digi ConnectCore 6UL
* In the Bluetooth interface, the UART hardware flow control doesn’t work
properly. To work around this problem the UART is configured without hardware
flow control at 115200 bps, reducing the maximum throughput of this interface.
This problem will be corrected in newer revisions of the hardware.
* The UART connected to the Bluetooth chip on early versions of the ConnectCore
6UL system-on-module (hardware version < 4) cannot properly execute flow
control. To work around this issue, UART1 of these SOM versions has been
configured to operate at 115200 bps and without hardware flow control,
reducing the maximum throughput of this interface.
## Digi ConnectCore 6