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QN9021 failed to run BLE example  project

Question asked by whl tingyu on Nov 19, 2019
Latest reply on Nov 19, 2019 by whl tingyu

I run the prj_bass project, but it can not work.

I debug it with jlink, found that BLE stack APIs locate at the address around 0x01000000~0x0102000 (defined in  fw_func_addr.h), but the content of the chip in the range is all 0xFF.

 

SDK version 1.4.0

The marking letter of chip is  "9021    355Y5   00UMF"

I use the macro QN_9020_B4

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