Hi Szymon, On Fri, Jan 20, 2017 at 10:21:16AM +0100, Szymon Janc wrote: > Hi, > > I was recently looking on how we could reduce size of SM code. > So my proposal is to change the way PDUs are parsed and constructed. > > Instead of having ble_sm_foo_parse(), ble_sm_foo_write() and ble_sm_foo_tx() > for parsing and constructing PDU byte by byte we could use packed structures > for describing PDU and let compiler figure out details related to > unaligned access. [...]
I think that's a great idea. The ATT code does something similar, though there is probably more work to be done there. In my opinion, using packed structs for parsing and encoding doesn't just reduce code size, it also simplifies the code. Chris
