Packetcraft who wrote the open source stack used in Mbed links to some, rather helpful pages on the Mbed site but they are non existent , surely the documents still exit. I was wondering if they are hosted else where?
https://os.mbed.com/docs/mbed-cordio/19.02/sample-apps/index.html
https://os.mbed.com/docs/mbed-cordio/19.02/profiles/index.html
https://os.mbed.com/docs/mbed-cordio/19.02/stack/index.html
https://os.mbed.com/docs/mbed-cordio/19.02/controller/index.html
https://os.mbed.com/docs/mbed-cordio/19.02/wsf/index.html
https://os.mbed.com/docs/mbed-cordio/19.02/porting-pal/index.html