Move CS duties to SPI module (why was it here?)
Move CS duties to SPI module (why was it here?)

treehopper-electronics/treehopper-sdk,treehopper-electronics/treehopper-sdk,treehopper-electronics/treehopper-sdk,treehopper-electronics/treehopper-sdk,treehopper-electronics/treehopper-sdk,treehopper-electronics/treehopper-sdk