Diff: FrameHandlers/FH_RxPacketDM.cpp

Revision:

6:06522f3a6642

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/FrameHandlers/FH_RxPacketDM.cpp	Thu Jul 28 10:17:20 2016 +0200
@@ -0,0 +1,59 @@
+/**
+ * Copyright (c) 2015 Digi International Inc.,
+ * All rights not expressly granted are reserved.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this file,
+ * You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * Digi International Inc. 11001 Bren Road East, Minnetonka, MN 55343
+ * =======================================================================
+ */
+
+#include "FH_RxPacketDM.h"
+
+using namespace XBeeLib;
+
+/** Class constructor */
+FH_RxPacketDM::FH_RxPacketDM() : FrameHandler(ApiFrame::RxPacketAO0), receive_cb(NULL)
+{
+}
+
+/** Class destructor */
+FH_RxPacketDM::~FH_RxPacketDM()
+{
+}
+
+void FH_RxPacketDM::register_receive_cb(receive_dm_cb_t function)
+{
+    receive_cb = function;
+}
+
+void FH_RxPacketDM::unregister_receive_cb(void)
+{
+    receive_cb = NULL;
+}
+
+/* DM RX packet offsets */
+#define DM_RX_OPTIONS_OFFSET        10
+#define DM_RX_DATA_OFFSET           11
+#define DM_RX_OVERHEAD              (8+2+1)
+
+#define BROADCAST_PACKET            0x02
+
+void FH_RxPacketDM::process_frame_data(const ApiFrame *const frame)
+{
+    /* The caller checks that the type matches, so no need to check it here again */
+
+    if (receive_cb == NULL) {
+        return;
+    }
+
+    /* We got a rx packet, decode it... */
+    const uint8_t *datap = frame->get_data();
+    const uint64_t sender64 = addr64_from_uint8_t(datap);
+    const uint8_t rx_options = datap[DM_RX_OPTIONS_OFFSET];
+    const RemoteXBeeDM sender = RemoteXBeeDM(sender64);
+
+    receive_cb(sender, rx_options & BROADCAST_PACKET, &datap[DM_RX_DATA_OFFSET], frame->get_data_len() - DM_RX_OVERHEAD);
+}