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author | Paul Oliver <contact@pauloliver.dev> | 2025-09-07 19:23:37 +0000 |
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committer | Paul Oliver <contact@pauloliver.dev> | 2025-09-07 19:49:03 +0000 |
commit | 89aab732dc3d484b99c0761728285bca6f6b1ba0 (patch) | |
tree | e2b4ca6656758dc9f398b9b1de2e6d92670b77df /hsm-cam/Hsm/Cam/FFI.hsc | |
parent | ef0713cbd90d6b84da7ea67e6dfc1fe5ab5bff86 (diff) |
Diffstat (limited to 'hsm-cam/Hsm/Cam/FFI.hsc')
-rw-r--r-- | hsm-cam/Hsm/Cam/FFI.hsc | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/hsm-cam/Hsm/Cam/FFI.hsc b/hsm-cam/Hsm/Cam/FFI.hsc new file mode 100644 index 0000000..6c5dd3d --- /dev/null +++ b/hsm-cam/Hsm/Cam/FFI.hsc @@ -0,0 +1,82 @@ +{-# 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 () |