TVZ Mechatronics Team
Uploading sensor data (voltage divider, MAX4172, INA219) over Ethernet to Thing Speak service. Uses old mbed revision that is compatible with NetServices library. I2C communication is made with I2CR library.
Dependencies: C12832 I2CR INA219 NetServices mbed
Fork of
NetServices_HelloWorld
by 
Segundo Equipo
ThingSpeak.h@7:1da0a084cd69, 2015-11-29 (annotated)
- Committer:
- tsoic
- Date:
- Sun Nov 29 13:41:05 2015 +0000
- Revision:
- 7:1da0a084cd69
- Parent:
- 6:ebbde59c5a1d
- Child:
- 8:9b35ac104ab7
Who changed what in which revision?
| User | Revision | Line number | New contents of line |
|---|---|---|---|
| tsoic | 7:1da0a084cd69 | 1 | /** Class for sending data to ThingSpeak over ethernet, |
| tsoic | 7:1da0a084cd69 | 2 | * Class is using old mbed library revision and EthernetNetIf from |
| tsoic | 7:1da0a084cd69 | 3 | * https://developer.mbed.org/users/okini3939/notebook/TCPSocket_jp/ |
| tsoic | 7:1da0a084cd69 | 4 | * Example: |
| tsoic | 7:1da0a084cd69 | 5 | * @code |
| tsoic | 7:1da0a084cd69 | 6 | * #include "mbed.h" |
| tsoic | 7:1da0a084cd69 | 7 | * #include "ThingSpeak.h" |
| tsoic | 7:1da0a084cd69 | 8 | * |
| tsoic | 7:1da0a084cd69 | 9 | * ThingSpeak thingSpeak("XXXXXXXXXXXXXXXX"); |
| tsoic | 7:1da0a084cd69 | 10 | * |
| tsoic | 7:1da0a084cd69 | 11 | * int main() { |
| tsoic | 7:1da0a084cd69 | 12 | * int i = 1; |
| tsoic | 7:1da0a084cd69 | 13 | * flot value = 3.14; |
| tsoic | 7:1da0a084cd69 | 14 | * thingSpeak.connect(); |
| tsoic | 7:1da0a084cd69 | 15 | * thingSpeak.setField(value,i) |
| tsoic | 7:1da0a084cd69 | 16 | * thingSpeak.putUp(); |
| tsoic | 7:1da0a084cd69 | 17 | * } |
| tsoic | 7:1da0a084cd69 | 18 | * @endcode |
| tsoic | 7:1da0a084cd69 | 19 | */ |
| tsoic | 7:1da0a084cd69 | 20 | |
| tsoic | 6:ebbde59c5a1d | 21 | #ifndef THINGSPEAK_H |
| tsoic | 6:ebbde59c5a1d | 22 | #define THINGSPEAK_H |
| tsoic | 6:ebbde59c5a1d | 23 | #define HOSTNAME "mbed" |
| tsoic | 6:ebbde59c5a1d | 24 | #include "mbed.h" |
| tsoic | 6:ebbde59c5a1d | 25 | #include "EthernetNetIf.h" |
| tsoic | 6:ebbde59c5a1d | 26 | #include "HTTPClient.h" |
| tsoic | 6:ebbde59c5a1d | 27 | |
| tsoic | 6:ebbde59c5a1d | 28 | |
| tsoic | 7:1da0a084cd69 | 29 | class ThingSpeak |
| tsoic | 7:1da0a084cd69 | 30 | { |
| tsoic | 7:1da0a084cd69 | 31 | |
| tsoic | 7:1da0a084cd69 | 32 | public: |
| tsoic | 7:1da0a084cd69 | 33 | /** |
| tsoic | 7:1da0a084cd69 | 34 | * @param: write api key provided from ThingSpeak chanell |
| tsoic | 7:1da0a084cd69 | 35 | */ |
| tsoic | 7:1da0a084cd69 | 36 | ThingSpeak(char*); |
| tsoic | 7:1da0a084cd69 | 37 | /** |
| tsoic | 7:1da0a084cd69 | 38 | * Establishing ethernet connection until connected |
| tsoic | 7:1da0a084cd69 | 39 | * |
| tsoic | 7:1da0a084cd69 | 40 | */ |
| tsoic | 7:1da0a084cd69 | 41 | void connect(); |
| tsoic | 7:1da0a084cd69 | 42 | /** |
| tsoic | 7:1da0a084cd69 | 43 | * Should be added |
| tsoic | 7:1da0a084cd69 | 44 | */ |
| tsoic | 7:1da0a084cd69 | 45 | /** |
| tsoic | 7:1da0a084cd69 | 46 | * void getIP(); |
| tsoic | 7:1da0a084cd69 | 47 | */ |
| tsoic | 7:1da0a084cd69 | 48 | /** |
| tsoic | 7:1da0a084cd69 | 49 | * Put up data to thing speak when all fields are set |
| tsoic | 7:1da0a084cd69 | 50 | */ |
| tsoic | 7:1da0a084cd69 | 51 | void putUp(); |
| tsoic | 7:1da0a084cd69 | 52 | /** |
| tsoic | 7:1da0a084cd69 | 53 | *Setting values to the field, they should be set in order. |
| tsoic | 7:1da0a084cd69 | 54 | * It's not required to set them all (example: you can set 1, 2, 3 or 1, 3) |
| tsoic | 7:1da0a084cd69 | 55 | * @param field value to store on |
| tsoic | 7:1da0a084cd69 | 56 | * @param i number of a field |
| tsoic | 7:1da0a084cd69 | 57 | */ |
| tsoic | 7:1da0a084cd69 | 58 | void setField(float field, int i); |
| tsoic | 7:1da0a084cd69 | 59 | private: |
| tsoic | 7:1da0a084cd69 | 60 | |
| tsoic | 7:1da0a084cd69 | 61 | char* thingSpeakUrl; |
| tsoic | 7:1da0a084cd69 | 62 | char* thingSpeakKey; |
| tsoic | 7:1da0a084cd69 | 63 | char urlBuffer[511]; |
| tsoic | 7:1da0a084cd69 | 64 | char fieldBuffer[255]; |
| tsoic | 7:1da0a084cd69 | 65 | EthernetNetIf eth; |
| tsoic | 7:1da0a084cd69 | 66 | EthernetErr ethErr; |
| tsoic | 7:1da0a084cd69 | 67 | HTTPClient http; |
| tsoic | 7:1da0a084cd69 | 68 | IpAddr ethIp; |
| tsoic | 7:1da0a084cd69 | 69 | HTTPText resp; |
| tsoic | 7:1da0a084cd69 | 70 | HTTPResult res; |
| tsoic | 6:ebbde59c5a1d | 71 | }; |
| tsoic | 6:ebbde59c5a1d | 72 | |
| tsoic | 7:1da0a084cd69 | 73 | #endif |