From 28873ccf3f3f32486049eb40cd639bbab86e09dc Mon Sep 17 00:00:00 2001
From: Matthias Vogelgesang <matthias.vogelgesang@ipe.fzk.de>
Date: Mon, 28 Feb 2011 17:48:55 +0100
Subject: Start grab interface

---
 src/grabbers/me4.c | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

(limited to 'src/grabbers/me4.c')

diff --git a/src/grabbers/me4.c b/src/grabbers/me4.c
index 5b46c79..2196172 100644
--- a/src/grabbers/me4.c
+++ b/src/grabbers/me4.c
@@ -1,5 +1,6 @@
 
 #include <stdlib.h>
+#include <string.h>
 #include <clser.h>
 #include <fgrab_struct.h>
 #include <fgrab_prototyp.h>
@@ -49,6 +50,21 @@ uint32_t uca_me4_alloc(struct uca_grabber_t *grabber, uint32_t n_buffers)
     return UCA_ERR_PROP_GENERAL;
 }
 
+uint32_t uca_me4_acquire(struct uca_grabber_t *grabber, int32_t n_frames, bool async)
+{
+    if (GET_MEM(grabber) != NULL) {
+        if (Fg_AcquireEx(GET_FG(grabber), 0, n_frames, ACQ_STANDARD, GET_MEM(grabber)) != FG_OK)
+            return UCA_NO_ERROR;
+    }
+    return UCA_ERR_PROP_GENERAL;
+}
+
+uint32_t uca_me4_grab(struct uca_grabber_t *grabber, char *buffer, size_t n_bytes)
+{
+    uint32_t last_frame = Fg_getLastPicNumber(GET_FG(grabber), PORT_A);
+    memcpy(buffer, Fg_getImagePtrEx(GET_FG(grabber), last_frame, PORT_A, GET_MEM(grabber)), n_bytes);
+}
+
 uint32_t uca_me4_init(struct uca_grabber_t **grabber)
 {
     /* FIXME: find out if this board/grabber is running */
@@ -66,6 +82,8 @@ uint32_t uca_me4_init(struct uca_grabber_t **grabber)
     uca->set_property = &uca_me4_set_property;
     uca->get_property = &uca_me4_get_property;
     uca->alloc = &uca_me4_alloc;
+    uca->acquire = &uca_me4_acquire;
+    uca->grab = &uca_me4_grab;
     
     *grabber = uca;
     return UCA_NO_ERROR;
-- 
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