Library to easily communicate with XBee modules.
Fork of XBeeLib by
FrameHandlers/FH_RxPacketDM.cpp@10:273032d9299a, 2018-03-27 (annotated)
- Committer:
- basvuyk
- Date:
- Tue Mar 27 14:13:12 2018 +0000
- Revision:
- 10:273032d9299a
- Parent:
- 6:06522f3a6642
Slave V1.0
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
hbujanda | 6:06522f3a6642 | 1 | /** |
hbujanda | 6:06522f3a6642 | 2 | * Copyright (c) 2015 Digi International Inc., |
hbujanda | 6:06522f3a6642 | 3 | * All rights not expressly granted are reserved. |
hbujanda | 6:06522f3a6642 | 4 | * |
hbujanda | 6:06522f3a6642 | 5 | * This Source Code Form is subject to the terms of the Mozilla Public |
hbujanda | 6:06522f3a6642 | 6 | * License, v. 2.0. If a copy of the MPL was not distributed with this file, |
hbujanda | 6:06522f3a6642 | 7 | * You can obtain one at http://mozilla.org/MPL/2.0/. |
hbujanda | 6:06522f3a6642 | 8 | * |
hbujanda | 6:06522f3a6642 | 9 | * Digi International Inc. 11001 Bren Road East, Minnetonka, MN 55343 |
hbujanda | 6:06522f3a6642 | 10 | * ======================================================================= |
hbujanda | 6:06522f3a6642 | 11 | */ |
hbujanda | 6:06522f3a6642 | 12 | |
hbujanda | 6:06522f3a6642 | 13 | #include "FH_RxPacketDM.h" |
hbujanda | 6:06522f3a6642 | 14 | |
hbujanda | 6:06522f3a6642 | 15 | using namespace XBeeLib; |
hbujanda | 6:06522f3a6642 | 16 | |
hbujanda | 6:06522f3a6642 | 17 | /** Class constructor */ |
hbujanda | 6:06522f3a6642 | 18 | FH_RxPacketDM::FH_RxPacketDM() : FrameHandler(ApiFrame::RxPacketAO0), receive_cb(NULL) |
hbujanda | 6:06522f3a6642 | 19 | { |
hbujanda | 6:06522f3a6642 | 20 | } |
hbujanda | 6:06522f3a6642 | 21 | |
hbujanda | 6:06522f3a6642 | 22 | /** Class destructor */ |
hbujanda | 6:06522f3a6642 | 23 | FH_RxPacketDM::~FH_RxPacketDM() |
hbujanda | 6:06522f3a6642 | 24 | { |
hbujanda | 6:06522f3a6642 | 25 | } |
hbujanda | 6:06522f3a6642 | 26 | |
hbujanda | 6:06522f3a6642 | 27 | void FH_RxPacketDM::register_receive_cb(receive_dm_cb_t function) |
hbujanda | 6:06522f3a6642 | 28 | { |
hbujanda | 6:06522f3a6642 | 29 | receive_cb = function; |
hbujanda | 6:06522f3a6642 | 30 | } |
hbujanda | 6:06522f3a6642 | 31 | |
hbujanda | 6:06522f3a6642 | 32 | void FH_RxPacketDM::unregister_receive_cb(void) |
hbujanda | 6:06522f3a6642 | 33 | { |
hbujanda | 6:06522f3a6642 | 34 | receive_cb = NULL; |
hbujanda | 6:06522f3a6642 | 35 | } |
hbujanda | 6:06522f3a6642 | 36 | |
hbujanda | 6:06522f3a6642 | 37 | /* DM RX packet offsets */ |
hbujanda | 6:06522f3a6642 | 38 | #define DM_RX_OPTIONS_OFFSET 10 |
hbujanda | 6:06522f3a6642 | 39 | #define DM_RX_DATA_OFFSET 11 |
hbujanda | 6:06522f3a6642 | 40 | #define DM_RX_OVERHEAD (8+2+1) |
hbujanda | 6:06522f3a6642 | 41 | |
hbujanda | 6:06522f3a6642 | 42 | #define BROADCAST_PACKET 0x02 |
hbujanda | 6:06522f3a6642 | 43 | |
hbujanda | 6:06522f3a6642 | 44 | void FH_RxPacketDM::process_frame_data(const ApiFrame *const frame) |
hbujanda | 6:06522f3a6642 | 45 | { |
hbujanda | 6:06522f3a6642 | 46 | /* The caller checks that the type matches, so no need to check it here again */ |
hbujanda | 6:06522f3a6642 | 47 | |
hbujanda | 6:06522f3a6642 | 48 | if (receive_cb == NULL) { |
hbujanda | 6:06522f3a6642 | 49 | return; |
hbujanda | 6:06522f3a6642 | 50 | } |
hbujanda | 6:06522f3a6642 | 51 | |
hbujanda | 6:06522f3a6642 | 52 | /* We got a rx packet, decode it... */ |
hbujanda | 6:06522f3a6642 | 53 | const uint8_t *datap = frame->get_data(); |
hbujanda | 6:06522f3a6642 | 54 | const uint64_t sender64 = addr64_from_uint8_t(datap); |
hbujanda | 6:06522f3a6642 | 55 | const uint8_t rx_options = datap[DM_RX_OPTIONS_OFFSET]; |
hbujanda | 6:06522f3a6642 | 56 | const RemoteXBeeDM sender = RemoteXBeeDM(sender64); |
hbujanda | 6:06522f3a6642 | 57 | |
hbujanda | 6:06522f3a6642 | 58 | receive_cb(sender, rx_options & BROADCAST_PACKET, &datap[DM_RX_DATA_OFFSET], frame->get_data_len() - DM_RX_OVERHEAD); |
hbujanda | 6:06522f3a6642 | 59 | } |