Sorry to dig up a old thread. Got things working (at least far enough to get the ramp example working) on a DUE. Don't know what version of the library jvandijk was starting from, but I started from the one @ https://www.digilentinc.com/Products/Detail.cfm?NavPath=2,648,1261&Prod=TI-ANALOG-SHIELD however this looks to be same as the master version on mwingerson github. Was running into problems with SPI not being instantiated before analogshield needed it. Also found and fixed a compile issue for the uno (I have both a DUE and an UNO) I signed up for a github account, forked the library from mwingerson, put my changes in and did a pull request. Hope I did the github stuff correctly. First time I've contributed to an open source project. Hope this helps!