the processor has escalated a configurable-priority exception to hardfault

Question

Hi. 
 
 I am developing on a custom board using nRF82820 / SDK 17.0.2. 
 A project was created by modifying examples \ble_peripheral\ble_app_gls. 
 There is no project for nRF52820 in ble_app_gls, so I modified some parts. 
 There was no error when compiling, but the following error occurred after downloading to the board. 
 IAR : 8.50.6 
 Attach the created project together. Can you tell what's wrong?? 
 0535.Project.7z

Sigurd · Accepted Answer

Hi, 
 I believe I found the issue. 
 In your project, in the nRF_Oberon_Crypto folder, you are using liboberon_3.0.6.a with hard-float. 
 You need to remove that, and add the soft-float instead. You can find the liboberon_3.0.6.a soft-float lib in the folder: 
 SDK_folder\external
rf_oberon\lib\cortex-m4\soft-float 
 You should also remove the libnrf_cc310_0.9.13.a lib in the nrf_cc310 folder

the processor has escalated a configurable-priority exception to hardfault

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