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|
{-# LANGUAGE CApiFFI #-}
module Hsm.Cam.FFI
( frameWidth
, frameHeight
, makeLogger
, registerLogger
, makeRequestCallback
, registerRequestCallback
, startCameraManager
, stopCameraManager
, acquireCamera
, releaseCamera
, allocateFrameBuffer
, freeFrameBuffer
, startCamera
, stopCamera
, createRequest
, getDmaBufferFd
, requestFrame
)
where
import Foreign.C.String (CString)
import Foreign.C.Types (CInt (CInt))
import Foreign.Ptr (FunPtr)
import System.Posix.Types (Fd (Fd))
type Logger = Int -> CString -> IO ()
type RequestCallback = IO ()
foreign import capi safe "Cam.hpp value FRAME_WIDTH"
frameWidth :: Int
foreign import capi safe "Cam.hpp value FRAME_HEIGHT"
frameHeight :: Int
foreign import ccall safe "wrapper"
makeLogger :: Logger -> IO (FunPtr Logger)
foreign import capi safe "Cam.hpp register_logger"
registerLogger :: FunPtr Logger -> IO ()
foreign import ccall safe "wrapper"
makeRequestCallback :: RequestCallback -> IO (FunPtr RequestCallback)
foreign import capi safe "Cam.hpp register_request_callback"
registerRequestCallback :: FunPtr RequestCallback -> IO ()
foreign import capi safe "Cam.hpp start_camera_manager"
startCameraManager :: IO ()
foreign import capi safe "Cam.hpp stop_camera_manager"
stopCameraManager :: IO ()
foreign import capi safe "Cam.hpp acquire_camera"
acquireCamera :: IO ()
foreign import capi safe "Cam.hpp release_camera"
releaseCamera :: IO ()
foreign import capi safe "Cam.hpp allocate_frame_buffer"
allocateFrameBuffer :: IO ()
foreign import capi safe "Cam.hpp free_frame_buffer"
freeFrameBuffer :: IO ()
foreign import capi safe "Cam.hpp start_camera"
startCamera :: IO ()
foreign import capi safe "Cam.hpp stop_camera"
stopCamera :: IO ()
foreign import capi safe "Cam.hpp create_request"
createRequest :: IO ()
foreign import capi safe "Cam.hpp get_dma_buffer_fd"
getDmaBufferFd :: IO Fd
foreign import capi safe "Cam.hpp request_frame"
requestFrame :: IO ()
|
