Attaching wood posts to top of existing foundation wall
I currently have a patio which is surrounded by a concrete foundation wall (approx 7" wide/thick), which supposedly goes down 42", below the frostline here in new England (need to verify that yet). I wish to build a pergola-type posted patio cover. I "assume" I can use this wall as a foundation for my pergola posts, but am unsure how to attach the posts as per code. I am certain there are brackets for this, like stronger versions of how you would attach railing posts to a slab? Suggestions? Thanks in advance.