BSEC library issue set_configuration

[suads]

Hello,

I am using silicon lab erf32xg22 board with cortex m33 and Bosch BME-680 I have ported the drivers into my project and I m getting readings from the sensor.

I linked the static library, added bsec_integration.c and I can read the version of the lib 2.4.0.0. I m using the bsec_iot_example.c as reference, but my code get stuck one the function bsec_set_configuration it frezzes there and nothing is hapening(Using the bsec_config_iaq  from bme680_iaq_33v_3s_4d).

The only thing I didnt implement are the state_load and state_save function.

Must they be Implemented?

[Minhwan]

Hi suads, 

Which power mode you are using? You have to use LP mode like below. 

ret = bsec_iot_init(BSEC_SAMPLE_RATE_LP, 0.0f, bus_write, bus_read, sleep_n, state_load, config_load, bme68x_g);

Also, need to use proper virtual sensors. 

Please check my bsec_integration.c

Thank you. 

[suads]

Hi @Minhwan 

I tried first with BSEC_SAMPLE_RATE_LP still the same issue. I m still not sure If I need to implement the state_save and state_load functions could be this causing the problem?  I tried also your bsec_integration.c same problem.This is my main.c 

[Minhwan]

Hi @suads , 

No, you don't have to use load, store state at this point. 

Could you share your data log using logic analyzer? 

Thank you. 

[suads]

Hi @Minhwan 

I m sorry but I dont have a logic analayzer but I made some progress it seems to be a bug, but not sure. While debuging the code, it comes to the work_buffer when it is created and then my code goes into a deafult handler (infitnite loop). While going through the forum I came to this post https://community.bosch-sensortec.com/t5/MEMS-sensors-forum/Bug-in-BSEC-BSEC-integration-c/td-p/1085... but didnt fix my issue. So I tried to dynamically allocate the memory and it was working it fixed the issue. I need a little bit of test to check the values.

But thanks, regards suad