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
Outputs/OutputEmonCms.cpp@5:0dbc27a7af55, 2012-05-09 (annotated)
- Committer:
- SomeRandomBloke
- Date:
- Wed May 09 20:29:30 2012 +0000
- Revision:
- 5:0dbc27a7af55
- Parent:
- 4:d460406ac780
Reduced debug output
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
SomeRandomBloke | 4:d460406ac780 | 1 | /** IoT Gateway Output definition for Open Energy Monitor emonCms |
SomeRandomBloke | 4:d460406ac780 | 2 | * |
SomeRandomBloke | 4:d460406ac780 | 3 | * @author Andrew Lindsay |
SomeRandomBloke | 4:d460406ac780 | 4 | * |
SomeRandomBloke | 4:d460406ac780 | 5 | * @section LICENSE |
SomeRandomBloke | 4:d460406ac780 | 6 | * |
SomeRandomBloke | 4:d460406ac780 | 7 | * Copyright (c) 2012 Andrew Lindsay (andrew [at] thiseldo [dot] co [dot] uk) |
SomeRandomBloke | 4:d460406ac780 | 8 | * |
SomeRandomBloke | 4:d460406ac780 | 9 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
SomeRandomBloke | 4:d460406ac780 | 10 | * of this software and associated documentation files (the "Software"), to deal |
SomeRandomBloke | 4:d460406ac780 | 11 | * in the Software without restriction, including without limitation the rights |
SomeRandomBloke | 4:d460406ac780 | 12 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
SomeRandomBloke | 4:d460406ac780 | 13 | * copies of the Software, and to permit persons to whom the Software is |
SomeRandomBloke | 4:d460406ac780 | 14 | * furnished to do so, subject to the following conditions: |
SomeRandomBloke | 4:d460406ac780 | 15 | |
SomeRandomBloke | 4:d460406ac780 | 16 | * The above copyright notice and this permission notice shall be included in |
SomeRandomBloke | 4:d460406ac780 | 17 | * all copies or substantial portions of the Software. |
SomeRandomBloke | 4:d460406ac780 | 18 | * |
SomeRandomBloke | 4:d460406ac780 | 19 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
SomeRandomBloke | 4:d460406ac780 | 20 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
SomeRandomBloke | 4:d460406ac780 | 21 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
SomeRandomBloke | 4:d460406ac780 | 22 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
SomeRandomBloke | 4:d460406ac780 | 23 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
SomeRandomBloke | 4:d460406ac780 | 24 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
SomeRandomBloke | 4:d460406ac780 | 25 | * THE SOFTWARE. |
SomeRandomBloke | 4:d460406ac780 | 26 | * |
SomeRandomBloke | 4:d460406ac780 | 27 | * @section DESCRIPTION |
SomeRandomBloke | 4:d460406ac780 | 28 | * |
SomeRandomBloke | 4:d460406ac780 | 29 | * API URL: http://host/emoncms/api/post?apikey=key&json={power:252.4} |
SomeRandomBloke | 4:d460406ac780 | 30 | ,temperature:15.4} |
SomeRandomBloke | 4:d460406ac780 | 31 | * |
SomeRandomBloke | 4:d460406ac780 | 32 | */ |
SomeRandomBloke | 4:d460406ac780 | 33 | |
SomeRandomBloke | 4:d460406ac780 | 34 | #include "mbed.h" |
SomeRandomBloke | 4:d460406ac780 | 35 | #include "OutputEmonCms.h" |
SomeRandomBloke | 4:d460406ac780 | 36 | |
SomeRandomBloke | 4:d460406ac780 | 37 | DigitalOut emonActivityLED(p29, "activityLED"); |
SomeRandomBloke | 4:d460406ac780 | 38 | |
SomeRandomBloke | 4:d460406ac780 | 39 | // Constructor |
SomeRandomBloke | 4:d460406ac780 | 40 | OutputEmonCms::OutputEmonCms() { |
SomeRandomBloke | 4:d460406ac780 | 41 | sendCount = 0; |
SomeRandomBloke | 4:d460406ac780 | 42 | } |
SomeRandomBloke | 4:d460406ac780 | 43 | |
SomeRandomBloke | 4:d460406ac780 | 44 | /** Alternative Constructor |
SomeRandomBloke | 4:d460406ac780 | 45 | */ |
SomeRandomBloke | 4:d460406ac780 | 46 | OutputEmonCms::OutputEmonCms( char *internalBufferStart, char *url, char *key ) { |
SomeRandomBloke | 4:d460406ac780 | 47 | sendCount = 0; |
SomeRandomBloke | 4:d460406ac780 | 48 | dataBuffer = internalBufferStart; |
SomeRandomBloke | 4:d460406ac780 | 49 | apiUrl = url; |
SomeRandomBloke | 4:d460406ac780 | 50 | apiKey = key; |
SomeRandomBloke | 4:d460406ac780 | 51 | // Setup start of URL buffer |
SomeRandomBloke | 4:d460406ac780 | 52 | init(); |
SomeRandomBloke | 4:d460406ac780 | 53 | } |
SomeRandomBloke | 4:d460406ac780 | 54 | |
SomeRandomBloke | 4:d460406ac780 | 55 | |
SomeRandomBloke | 4:d460406ac780 | 56 | void OutputEmonCms::init( ) { |
SomeRandomBloke | 4:d460406ac780 | 57 | dbufPtr = dataBuffer; |
SomeRandomBloke | 4:d460406ac780 | 58 | sprintf(dataBuffer, apiUrl, apiKey ); |
SomeRandomBloke | 4:d460406ac780 | 59 | dbufPtr = dataBuffer + strlen(dataBuffer); |
SomeRandomBloke | 4:d460406ac780 | 60 | *dbufPtr = '\0'; |
SomeRandomBloke | 4:d460406ac780 | 61 | hasData = false; |
SomeRandomBloke | 4:d460406ac780 | 62 | } |
SomeRandomBloke | 4:d460406ac780 | 63 | |
SomeRandomBloke | 4:d460406ac780 | 64 | // Datafeed us the name of the value |
SomeRandomBloke | 4:d460406ac780 | 65 | void OutputEmonCms::addReading(char *dataFeed, char *dataStream, char *reading ) { |
SomeRandomBloke | 4:d460406ac780 | 66 | |
SomeRandomBloke | 4:d460406ac780 | 67 | snprintf(dbufPtr, DATABUF_SIZE, "{%s:%s}\0", dataFeed, reading); |
SomeRandomBloke | 4:d460406ac780 | 68 | hasData = true; |
SomeRandomBloke | 4:d460406ac780 | 69 | send(); |
SomeRandomBloke | 4:d460406ac780 | 70 | } |
SomeRandomBloke | 4:d460406ac780 | 71 | |
SomeRandomBloke | 4:d460406ac780 | 72 | |
SomeRandomBloke | 4:d460406ac780 | 73 | int OutputEmonCms::send( void ) { |
SomeRandomBloke | 4:d460406ac780 | 74 | // char urlBuf[64]; |
SomeRandomBloke | 4:d460406ac780 | 75 | HTTPClient http; |
SomeRandomBloke | 4:d460406ac780 | 76 | |
SomeRandomBloke | 4:d460406ac780 | 77 | if ( hasData && strlen( dataBuffer ) > 1 ) { |
SomeRandomBloke | 4:d460406ac780 | 78 | |
SomeRandomBloke | 4:d460406ac780 | 79 | HTTPText csvContent("application/json"); |
SomeRandomBloke | 4:d460406ac780 | 80 | csvContent.set(std::string(dataBuffer)); |
SomeRandomBloke | 4:d460406ac780 | 81 | |
SomeRandomBloke | 4:d460406ac780 | 82 | // uri for post includes feed ID and datastream ID |
SomeRandomBloke | 5:0dbc27a7af55 | 83 | // printf("URL: %s\n",dataBuffer); |
SomeRandomBloke | 4:d460406ac780 | 84 | |
SomeRandomBloke | 4:d460406ac780 | 85 | |
SomeRandomBloke | 4:d460406ac780 | 86 | emonActivityLED = 1; |
SomeRandomBloke | 5:0dbc27a7af55 | 87 | sendCount++; |
SomeRandomBloke | 4:d460406ac780 | 88 | // result should be 0 and response should be 200 for successful post |
SomeRandomBloke | 5:0dbc27a7af55 | 89 | // printf("EmonCms send count %d\n", sendCount); |
SomeRandomBloke | 4:d460406ac780 | 90 | /* |
SomeRandomBloke | 4:d460406ac780 | 91 | printf("\nHEAP STATS\n"); |
SomeRandomBloke | 4:d460406ac780 | 92 | __heapstats((__heapprt)fprintf,stderr); |
SomeRandomBloke | 4:d460406ac780 | 93 | printf("\nHEAP CHECK\n"); |
SomeRandomBloke | 4:d460406ac780 | 94 | __heapvalid((__heapprt)fprintf,stderr, 0); |
SomeRandomBloke | 4:d460406ac780 | 95 | printf("\nStackP: %ld\n",__current_sp()); |
SomeRandomBloke | 4:d460406ac780 | 96 | printf("---------------\n"); |
SomeRandomBloke | 4:d460406ac780 | 97 | */ |
SomeRandomBloke | 4:d460406ac780 | 98 | HTTPResult result = http.get(dataBuffer, NULL); |
SomeRandomBloke | 4:d460406ac780 | 99 | int response = http.getHTTPResponseCode(); |
SomeRandomBloke | 4:d460406ac780 | 100 | printf("updateDataStream(%d)\n", response ); |
SomeRandomBloke | 4:d460406ac780 | 101 | emonActivityLED = 0; |
SomeRandomBloke | 4:d460406ac780 | 102 | } |
SomeRandomBloke | 4:d460406ac780 | 103 | |
SomeRandomBloke | 4:d460406ac780 | 104 | init(); |
SomeRandomBloke | 4:d460406ac780 | 105 | return 0; |
SomeRandomBloke | 4:d460406ac780 | 106 | } |
SomeRandomBloke | 4:d460406ac780 | 107 | |
SomeRandomBloke | 5:0dbc27a7af55 | 108 | int OutputEmonCms::getSendCount( void ) { |
SomeRandomBloke | 5:0dbc27a7af55 | 109 | return sendCount; |
SomeRandomBloke | 5:0dbc27a7af55 | 110 | } |
SomeRandomBloke | 5:0dbc27a7af55 | 111 |