Use of KvStore after 1.1.4 don't work #99
Comments
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The meaning of that blink pattern is explained here: #90 (comment) |
Thanks and I can confirm it crashes in kv_get. Any thoughts on why the use of the KvStore fails in the 1.1.6 version and not in the 1.1.4 release? I use the KvStore to store parameter values due to the lack of an EEPROM on the Nano BLE boards. KvStore seemed to offer a nice alternative to create a sort of registry of values. |
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There a few similar issues already open in upstream mbed-os. They are related to the new mandatory SecureStore component dependency. Someone proposed a fix but I wasn't able to replicate and get it working (at least on an external SPIFBlockDevice). We will try to track the evolving issues and post updates - and a fix - as soon as they will be available. |
My application works fine with the 1.1.4 release for the NANO BLE. Updating to 1.1.5 results in a wire compilation error. Then updating to 1.1.6 results in a failing application. The activity on the board indicates a blinking LED_BUILTIN (PIN_LED) (13), 4 slow blinks, then 4 fast blinks.
The application I run successfully with the 1.1.4 release doesn't use this LED at all, so it must be some alert or panic indication coming out of the mbed?
Digging and debugging a little deeper it appears that the use of the mbed KvStore function call kv_get causes this panic indication on the Led;
res = kv_get("/kv/check_valid", KvBuf, sizeof(KvBuf), &actualSize);
Any thoughts?
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