802_Frames.cpp

00001 /**
00002  * Copyright (c) 2015 Digi International Inc.,
00003  * All rights not expressly granted are reserved.
00004  *
00005  * This Source Code Form is subject to the terms of the Mozilla Public
00006  * License, v. 2.0. If a copy of the MPL was not distributed with this file,
00007  * You can obtain one at http://mozilla.org/MPL/2.0/.
00008  *
00009  * Digi International Inc. 11001 Bren Road East, Minnetonka, MN 55343
00010  * =======================================================================
00011  */
00012 
00013 #include "802_Frames.h"
00014 
00015 #define FRAME_ID_LEN              1
00016 #define ADDR64_LEN                8
00017 #define ADDR16_LEN                2
00018 #define OPTIONS_LEN               1
00019 #define TX_REQUEST_OVERHEAD       (FRAME_ID_LEN + ADDR64_LEN + OPTIONS_LEN)
00020 #define TX_REQUEST_OVERHEAD2      (FRAME_ID_LEN + ADDR16_LEN + OPTIONS_LEN)
00021 
00022 /** Class constructor */
00023 TxFrame802::TxFrame802(uint64_t addr, uint8_t tx_options,
00024                 const uint8_t *const data, uint16_t len)
00025 {
00026     uint8_t frame_data[TX_REQUEST_OVERHEAD + len];
00027 
00028     _frame_id = get_next_frame_id();
00029 
00030     /* copy the frame id, the 64bit remote address, the tx options byte
00031      * and the frame data */
00032 
00033     frame_data[0] = _frame_id;
00034     rmemcpy(&frame_data[1], (const uint8_t *)&addr, sizeof addr);
00035     frame_data[9] = tx_options;
00036 
00037     if (len) {
00038         memcpy(&frame_data[10], data, len);
00039     }
00040 
00041     set_api_frame(TxReq64Bit, frame_data, TX_REQUEST_OVERHEAD + len);
00042 }
00043 
00044 /** Class constructor */
00045 TxFrame802::TxFrame802(uint16_t addr16, uint8_t tx_options,
00046                 const uint8_t *const data, uint16_t len)
00047 {
00048     uint8_t frame_data[TX_REQUEST_OVERHEAD2 + len];
00049 
00050     _frame_id = get_next_frame_id();
00051 
00052     /* copy the frame id, the 16bit remote address, the tx options byte
00053      * and the frame data */
00054 
00055     frame_data[0] = _frame_id;
00056     frame_data[1] = (uint8_t)(addr16 >> 8);
00057     frame_data[2] = (uint8_t)addr16;
00058     frame_data[3] = tx_options;
00059 
00060     if (len) {
00061         memcpy(&frame_data[4], data, len);
00062     }
00063 
00064     set_api_frame(TxReq16Bit, frame_data, TX_REQUEST_OVERHEAD2 + len);
00065 }