diff options
| -rw-r--r-- | src/HWiid.hsc | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/src/HWiid.hsc b/src/HWiid.hsc index 994aca1..56d87c6 100644 --- a/src/HWiid.hsc +++ b/src/HWiid.hsc @@ -27,6 +27,8 @@ module HWiid ( BDAddr(..) , hwiidButtonPlus , hwiidNunchukButtonZ , hwiidNunchukButtonC + , hwiidMesgTypeStatus + , hwiidMesgTypeButton , hwiidOpen , hwiidOpenTimeout , hwiidClose @@ -48,7 +50,6 @@ import Foreign.Ptr import Foreign.Storable import System.Posix.Clock (TimeSpec) - #include <cwiid.h> hwiidFlagMesgInterface :: CInt @@ -244,11 +245,12 @@ foreign import ccall unsafe "cwiid.h cwiid_get_mesg" hwiidGetMesg :: Wiimote -> IO [WiimoteMesg] hwiidGetMesg wiimote = alloca $ \countptr -> alloca $ \arrayptr -> alloca $ \timestamp -> do - cwiid_get_mesg wiimote countptr arrayptr timestamp + ret <- cwiid_get_mesg wiimote countptr arrayptr timestamp count <- peek countptr array <- peek arrayptr - ret <- peekArray (fromIntegral count) array - free array - - return ret
\ No newline at end of file + if (ret == 0) then do + list <- peekArray (fromIntegral count) array + free array + return list + else return [] |