Demo application for using the AT&T IoT Starter Kit Powered by AWS.
Dependencies: SDFileSystem
Fork of ATT_AWS_IoT_demo by
IoT Starter Kit Powered by AWS Demo
This program demonstrates the AT&T IoT Starter Kit sending data directly into AWS IoT. It's explained and used in the Getting Started with the IoT Starter Kit Powered by AWS on starterkit.att.com.
What's required
- AT&T IoT LTE Add-on (also known as the Cellular Shield)
- NXP K64F - for programming
- microSD card - used to store your AWS security credentials
- AWS account
- Python, locally installed
If you don't already have an IoT Starter Kit, you can purchase a kit here. The IoT Starter Kit Powered by AWS includes the LTE cellular shield, K64F, and a microSD card.
WNCInterface/WNCSocket/WNCTCPSocketConnection.cpp
- Committer:
- rfinn
- Date:
- 2017-02-07
- Revision:
- 27:2f486c766854
- Parent:
- 15:6f2798e45099
File content as of revision 27:2f486c766854:
/* ===================================================================== Copyright © 2016, Avnet (R) Contributors: * James M Flynn, www.em.avnet.com Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License. @file WNCInterface.cpp @version 1.0 @date Sept 2016 ======================================================================== */ #include "../WNCInterface.h" #include "WNCSocket.h" #include "WNCTCPSocketConnection.h" #include <cstring> #define READ_EVERYMS 500 //number of milliseconds between WNC socket reads WNCTCPSocketConnection::WNCTCPSocketConnection() : _is_blocking(0), _btimeout(0){ } // // blocking is used to make the WNC keep checking for incoming data for a // period of time. // void WNCTCPSocketConnection::set_blocking (bool blocking, unsigned int timeout) { _is_blocking = blocking; // true if we want to wait for request _btimeout = timeout; // user specs msec CHK_WNCFE(( WNCInterface::_pwnc->getWncStatus() == FATAL_FLAG ), void); M_LOCK; WNCInterface::_pwnc->setReadRetryWait(0, 0); WNCInterface::_pwnc->setReadRetries(0, 0); M_ULOCK; } int WNCTCPSocketConnection::connect(const char* host, const int port) { WNCSocket::connect((char*)host, SOCK_STREAM, port); _is_blocking = false; // start out not blocking, user will set it if desired return ( WNCInterface::_pwnc->getWncStatus() == WncController_fk::WncController::WNC_ON )? 0:-1; } bool WNCTCPSocketConnection::is_connected(void) { return ( WNCInterface::_pwnc->getWncStatus() == WncController_fk::WncController::WNC_ON )? 1:0; } int WNCTCPSocketConnection::send(char* data, int length) { int ret = -1; WncController_fk::WncController::WncState_e s = WNCInterface::_pwnc->getWncStatus(); CHK_WNCFE(( s == FATAL_FLAG ), fail); if( s == WncController_fk::WncController::WNC_ON ) { M_LOCK; if( WNCInterface::_pwnc->write(0, data, length) ) ret = length; M_ULOCK; } return ret; } int WNCTCPSocketConnection::receive(char *readBuf, int length) { Timer t; size_t done, cnt; int ret=-1; WncController_fk::WncController::WncState_e s = WNCInterface::_pwnc->getWncStatus(); CHK_WNCFE(( s == FATAL_FLAG ), fail); if( s != WncController_fk::WncController::WNC_ON ) return ret; M_LOCK; t.start(); do { if( !(t.read_ms() % READ_EVERYMS) ) cnt = WNCInterface::_pwnc->read(0, (uint8_t *)readBuf, (uint32_t) length); if( _is_blocking ) done = cnt; else done = cnt | (t.read_ms() > _btimeout); } while( !done ); t.stop(); M_ULOCK; if( WNCInterface::_pwnc->getWncStatus() == WNC_GOOD ) { //readBuf[cnt] = '\0'; ret = (int)cnt; } else ret = -1; return ret; } int WNCTCPSocketConnection::send_all(char* data, int length) { return send(data,length); } int WNCTCPSocketConnection::receive_all(char* data, int length) { return receive(data,length); } int WNCTCPSocketConnection::close(void) { WNCSocket::disconnect(); M_LOCK; int ret = ( WNCInterface::_pwnc->getWncStatus() == WncController_fk::WncController::WNC_ON )? 0:-1; M_ULOCK; return ret; }