From 2a02a3a7dfda2679ebda86fa830023fe996a06c9 Mon Sep 17 00:00:00 2001
From: Harsh Sharma <92harshsharma@gmail.com>
Date: Wed, 13 Jun 2018 13:26:38 -0500
Subject: Initial commit

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+	 / _____)             _              | |    
+	( (____  _____ ____ _| |_ _____  ____| |__  
+	 \____ \| ___ |    (_   _) ___ |/ ___)  _ \ 
+	 _____) ) ____| | | || |_| ____( (___| | | |
+	(______/|_____)_|_|_| \__)_____)\____)_| |_|
+	  (C)2013 Semtech-Cycleo
+
+Utility: network packet sender
+===============================
+
+1. Introduction
+----------------
+
+The network packet sender is a simple helper program used to send packets 
+through the gateway-to-server downlink route.
+
+The program start by waiting for a gateway to send it a PULL_DATA datagram.
+After that, it will send back to the gateway a specified amount of PULL_RESP 
+datagrams, each containing a packet to be sent immediately and a variable 
+payload.
+
+2. Dependencies
+----------------
+
+This program follows the v1.1 version of the gateway-to-server protocol.
+
+3. Usage
+---------
+
+The application runs until the specified number of packets have been sent.
+Press Ctrl+C to stop the application before that.
+
+Use the -h option to get help and details about available options.
+
+The packets are [9-n] bytes long, and have following payload content:
+```
++----------+---------------+---------------+---------------+---------------+---+---+---+---+---+---+---+---+
+|    Id    | PktCnt[31:24] | PktCnt[23:16] | PktCnt[15:8]  | PktCnt[7:0]   | P | E | R |FCS| 0 | 1 |...| n |
++----------+---------------+---------------+---------------+---------------+---+---+---+---+---+---+---+---+
+
+Id            : User defined ID to differentiate sender at receiver side. (8 bits)
+PktCnt        : Packet counter incremented at each transmission. (32 bits)
+‘P’, ‘E’, ‘R’ : ASCII values for characters 'P', 'E' and 'R'.
+FCS           : Checksum: 8-bits sum of Id, PktCnt[31 :24] , PktCnt[23 :16] , PktCnt[15 :8] , PktCnt[7:0], ‘P’,’E’,’R’
+0,1, ..., n   : Padding bytes up until user specified payload length.
+```
+
+4. License
+-----------
+
+Copyright (C) 2013, SEMTECH S.A.
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+* Redistributions of source code must retain the above copyright
+  notice, this list of conditions and the following disclaimer.
+* Redistributions in binary form must reproduce the above copyright
+  notice, this list of conditions and the following disclaimer in the
+  documentation and/or other materials provided with the distribution.
+* Neither the name of the Semtech corporation nor the
+  names of its contributors may be used to endorse or promote products
+  derived from this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED. IN NO EVENT SHALL SEMTECH S.A. BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+*EOF*
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