test_adc app: fixed a bug: lastReport needs to be 32 bits.  Cleaned up the code in some other places too.
test_adc app: fixed a bug: lastReport needs to be 32 bits.  Cleaned up the code in some other places too.

attackcrow/wixel,StephenBlackWasAlreadyTaken/wixel-xDrip,Cagier/wixel-xDrip,jamorham/wixel-xDrip,attackcrow/wixel,sm6xmm/wixel-xDrip,pdg137/wixel-sdk,Cagier/wixel-xDrip,kevinwchang/wixel-sdk,raduiliescu/wixel-DexDrip,pdg137/wixel-sdk,jamorham/wixel-xDrip,novagannas/wixel-xDrip,raduiliescu/wixel-DexDrip,saercnap/wixel-DexDrip,sm6xmm/wixel-xDrip,StephenBlackWasAlreadyTaken/wixel-xDrip,saercnap/wixel-DexDrip,attackcrow/wixel,jamorham/wixel-xDrip,kevinwchang/wixel-sdk,markncooper/burnerlight,markncooper/burnerlight,attackcrow/wixel,jamorham/wixel-xDrip,pdg137/wixel-sdk,saercnap/wixel-DexDrip,sm6xmm/wixel-xDrip,raduiliescu/wixel-DexDrip,novagannas/wixel-xDrip,markncooper/burnerlight,kevinwchang/wixel-sdk,StephenBlackWasAlreadyTaken/wixel-xDrip,sm6xmm/wixel-xDrip,Cagier/wixel-xDrip,novagannas/wixel-xDrip