System.USB.Exceptions

Documentation

data USBException

Type of USB exceptions.

Constructors

IOException String

Input/output exception.

InvalidParamException

Invalid parameter.

AccessException

Access denied (insufficient permissions). It may help to run your program with elevated privileges or change the permissions of your device using something like udev.

NoDeviceException

No such device (it may have been disconnected).

NotFoundException

Entity not found.

BusyException

Resource busy.

TimeoutException

Operation timed out.

OverflowException

If the device offered to much data. See Packets and overflows in the libusb documentation.

PipeException

Pipe exception.

InterruptedException

System call interrupted (perhaps due to signal).

NoMemException

Insufficient memory.

NotSupportedException

Operation not supported or unimplemented on this platform. If possible, it's recommended the check if a certain operation is supported by using the hasCapability API.

OtherException

Other exception.

Instances

Eq USBException

Methods

(==) :: USBException -> USBException -> Bool

(/=) :: USBException -> USBException -> Bool

Data USBException

Methods

gfoldl :: (forall d b. Data d => c (d -> b) -> d -> c b) -> (forall g. g -> c g) -> USBException -> c USBException

gunfold :: (forall b r. Data b => c (b -> r) -> c r) -> (forall r. r -> c r) -> Constr -> c USBException

toConstr :: USBException -> Constr

dataTypeOf :: USBException -> DataType

dataCast1 :: Typeable (* -> *) t => (forall d. Data d => c (t d)) -> Maybe (c USBException)

dataCast2 :: Typeable (* -> * -> *) t => (forall d e. (Data d, Data e) => c (t d e)) -> Maybe (c USBException)

gmapT :: (forall b. Data b => b -> b) -> USBException -> USBException

gmapQl :: (r -> r' -> r) -> r -> (forall d. Data d => d -> r') -> USBException -> r

gmapQr :: (r' -> r -> r) -> r -> (forall d. Data d => d -> r') -> USBException -> r

gmapQ :: (forall d. Data d => d -> u) -> USBException -> [u]

gmapQi :: Int -> (forall d. Data d => d -> u) -> USBException -> u

gmapM :: Monad m => (forall d. Data d => d -> m d) -> USBException -> m USBException

gmapMp :: MonadPlus m => (forall d. Data d => d -> m d) -> USBException -> m USBException

gmapMo :: MonadPlus m => (forall d. Data d => d -> m d) -> USBException -> m USBException

Read USBException

Methods

readsPrec :: Int -> ReadS USBException

readList :: ReadS [USBException]

readPrec :: ReadPrec USBException

readListPrec :: ReadPrec [USBException]

Show USBException

Methods

showsPrec :: Int -> USBException -> ShowS

show :: USBException -> String

showList :: [USBException] -> ShowS

Generic USBException

Associated Types

type Rep USBException :: * -> *

Methods

from :: USBException -> Rep USBException x

to :: Rep USBException x -> USBException

Exception USBException

Methods

toException :: USBException -> SomeException

fromException :: SomeException -> Maybe USBException

displayException :: USBException -> String

type Rep USBException

type Rep USBException = D1 (MetaData "USBException" "System.USB.Base" "usb-1.3.0.5-4foKTDx9gBO9zEUKWldWNQ" False) ((:+:) ((:+:) ((:+:) (C1 (MetaCons "IOException" PrefixI False) (S1 (MetaSel (Nothing Symbol) NoSourceUnpackedness NoSourceStrictness DecidedLazy) (Rec0 String))) ((:+:) (C1 (MetaCons "InvalidParamException" PrefixI False) U1) (C1 (MetaCons "AccessException" PrefixI False) U1))) ((:+:) (C1 (MetaCons "NoDeviceException" PrefixI False) U1) ((:+:) (C1 (MetaCons "NotFoundException" PrefixI False) U1) (C1 (MetaCons "BusyException" PrefixI False) U1)))) ((:+:) ((:+:) (C1 (MetaCons "TimeoutException" PrefixI False) U1) ((:+:) (C1 (MetaCons "OverflowException" PrefixI False) U1) (C1 (MetaCons "PipeException" PrefixI False) U1))) ((:+:) ((:+:) (C1 (MetaCons "InterruptedException" PrefixI False) U1) (C1 (MetaCons "NoMemException" PrefixI False) U1)) ((:+:) (C1 (MetaCons "NotSupportedException" PrefixI False) U1) (C1 (MetaCons "OtherException" PrefixI False) U1)))))

ioException :: USBException

A general IOException.

incompleteReadException :: USBException

IOException that is thrown when the number of bytes read doesn't equal the requested number.

incompleteWriteException :: USBException

IOException that is thrown when the number of bytes written doesn't equal the requested number.