Since I am not very well aware of this platform, please verify that it is supported and listed in the table from BSEC's download page.
For wiring recommendations, please refer to the connection diagrams in BME680's datasheet.
The sensor API you have linked will be especially useful to understand how to format your platform specific function pointers to the API/library.
Finally you should find the appropriate sample code and integration guide for BSEC directly inside the package you download from our website.
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