mbed based IoT Gateway More details http://blog.thiseldo.co.uk/wp-filez/IoTGateway.pdf
Dependencies: NetServices FatFileSystem csv_parser mbed MQTTClient RF12B DNSResolver SDFileSystem
OutputPachube.cpp
00001 /** IoT Gateway Output definition for Pachube 00002 * 00003 * @author Andrew Lindsay 00004 * 00005 * @section LICENSE 00006 * 00007 * Copyright (c) 2012 Andrew Lindsay (andrew [at] thiseldo [dot] co [dot] uk) 00008 * 00009 * Permission is hereby granted, free of charge, to any person obtaining a copy 00010 * of this software and associated documentation files (the "Software"), to deal 00011 * in the Software without restriction, including without limitation the rights 00012 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 00013 * copies of the Software, and to permit persons to whom the Software is 00014 * furnished to do so, subject to the following conditions: 00015 00016 * The above copyright notice and this permission notice shall be included in 00017 * all copies or substantial portions of the Software. 00018 * 00019 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 00020 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 00021 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 00022 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 00023 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 00024 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN 00025 * THE SOFTWARE. 00026 * 00027 * @section DESCRIPTION 00028 * 00029 * 00030 */ 00031 00032 #include "mbed.h" 00033 #include "OutputPachube.h" 00034 00035 DigitalOut activityLED(p29, "activityLED"); 00036 00037 // Constructor 00038 OutputPachube::OutputPachube() { 00039 sendCount = 0; 00040 } 00041 00042 /** Alternative Constructor 00043 */ 00044 OutputPachube::OutputPachube( char *internalBufferStart, char *url, char *key ) { 00045 sendCount = 0; 00046 dataBuffer = internalBufferStart; 00047 apiUrl = url; 00048 apiKey = key; 00049 dbufPtr = dataBuffer; 00050 *dbufPtr = '\0'; 00051 } 00052 00053 00054 void OutputPachube::init( ) { 00055 dbufPtr = dataBuffer; 00056 *dbufPtr = '\0'; 00057 } 00058 00059 void OutputPachube::addReading(char *dataFeed, char *dataStream, char *reading ) { 00060 char tmpBuf[20]; 00061 int thisFeed = atoi( dataFeed ); 00062 00063 if ( thisFeed != currentFeed ) 00064 send(); 00065 00066 currentFeed = thisFeed; 00067 snprintf(tmpBuf, DATABUF_SIZE, "%s,%s\n", dataStream, reading); 00068 strcat( dataBuffer, tmpBuf ); 00069 } 00070 00071 00072 int OutputPachube::send( void ) { 00073 char urlBuf[API_URL_LENGTH]; 00074 HTTPClient http; 00075 00076 if ( strlen( dataBuffer ) > 1 ) { 00077 http.setRequestHeader("X-PachubeApiKey", apiKey); 00078 00079 HTTPText csvContent("text/csv"); 00080 // Get the string for Pachube 00081 csvContent.set(std::string(dataBuffer)); 00082 00083 // uri for post includes feed ID and datastream ID 00084 snprintf(urlBuf, API_URL_LENGTH, apiUrl, currentFeed ); 00085 // printf("URL: %s\n",urlBuf); 00086 00087 00088 activityLED = 1; 00089 // result should be 0 and response should be 200 for successful post 00090 sendCount++; 00091 // printf("Pachube Send count %d\n", sendCount); 00092 00093 /* printf("\nHEAP STATS\n"); 00094 __heapstats((__heapprt)fprintf,stderr); 00095 printf("\nHEAP CHECK\n"); 00096 __heapvalid((__heapprt)fprintf,stderr, 0); 00097 printf("\nStackP: %ld\n",__current_sp()); 00098 printf("---------------\n"); 00099 */ 00100 HTTPResult result = http.post(urlBuf, csvContent, NULL); 00101 int response = http.getHTTPResponseCode(); 00102 // printf("updateDataStream(%d)\n", response ); 00103 activityLED = 0; 00104 } 00105 00106 dbufPtr = dataBuffer; 00107 *dbufPtr = '\0'; 00108 00109 return 0; 00110 } 00111 00112 00113 int OutputPachube::getSendCount( void ) { 00114 return sendCount; 00115 }
Generated on Tue Jul 12 2022 22:07:04 by 1.7.2