Zhengguo Sheng / Mbed 2 deprecated Thingspeak_template

Lab 6_v2

Dependencies:   mbed Thingspeak_template LM75B mbed-rtos EthernetInterface MMA7660

Dependents:   Thingspeak_template

main.cpp@2:f7645c6a85f3, 2021-08-16 (annotated)

Committer:
steveshun
Date:
Mon Aug 16 16:06:35 2021 +0000
Revision:
2:f7645c6a85f3
Parent:
1:21d76b260bc6 
Lab 6

Who changed what in which revision?

UserRevisionLine numberNew contents of line
steveshun 2:f7645c6a85f3 1 #include "mbed.h"
steveshun 2:f7645c6a85f3 2 #include "HTTPClient.h"
steveshun 2:f7645c6a85f3 3 #include "LM75B.h"
steveshun 2:f7645c6a85f3 4 #include "MMA7660.h"
steveshun 2:f7645c6a85f3 5 #include "EthernetInterface.h"
omar1646 1:21d76b260bc6 6
omar1646 1:21d76b260bc6 7
steveshun 2:f7645c6a85f3 8 LM75B sensor(D14,D15);
steveshun 2:f7645c6a85f3 9 MMA7660 accel(PTE25 , PTE24);
steveshun 2:f7645c6a85f3 10 char buffer[256];
steveshun 2:f7645c6a85f3 11 char resp[1024];
steveshun 2:f7645c6a85f3 12 char val[4][16];
steveshun 2:f7645c6a85f3 13 int ret = 0;
eduvanceIoT 0:34d3f68b920e 14
omar1646 1:21d76b260bc6 15 Serial pc(USBTX,USBRX);
steveshun 2:f7645c6a85f3 16 //Ethernet Interface
steveshun 2:f7645c6a85f3 17 EthernetInterface eth;
steveshun 2:f7645c6a85f3 18 //HTTP Client for interfacing to web services
steveshun 2:f7645c6a85f3 19 HTTPClient http;
omar1646 1:21d76b260bc6 20 #define IP "184.106.153.149" // thingspeak.com IP Address
eduvanceIoT 0:34d3f68b920e 21
steveshun 2:f7645c6a85f3 22 //http client init
steveshun 2:f7645c6a85f3 23 HTTPMap map;
steveshun 2:f7645c6a85f3 24 HTTPText inText(resp, 1024);
omar1646 1:21d76b260bc6 25 //String thingtweetAPIKey = "TTEVLP931ODJ5GMT";
omar1646 1:21d76b260bc6 26
omar1646 1:21d76b260bc6 27
steveshun 2:f7645c6a85f3 28 int main () {
steveshun 2:f7645c6a85f3 29 //ethernet init
steveshun 2:f7645c6a85f3 30 eth.init(); //Use DHCP
steveshun 2:f7645c6a85f3 31 ret= eth.connect();
omar1646 1:21d76b260bc6 32
steveshun 2:f7645c6a85f3 33 if (!ret){
steveshun 2:f7645c6a85f3 34 pc.printf("\r\nConnected, IP: %s, MASK: %s, GW: %s",
steveshun 2:f7645c6a85f3 35 eth.getIPAddress(), eth.getNetworkMask(), eth.getGateway());
steveshun 2:f7645c6a85f3 36 } else {
steveshun 2:f7645c6a85f3 37 pc.printf("\r\nError eth.connect() - ret = %d", ret);
steveshun 2:f7645c6a85f3 38 }
steveshun 2:f7645c6a85f3 39
steveshun 2:f7645c6a85f3 40 while(1){
steveshun 2:f7645c6a85f3 41 pc.printf("\r\nWriting to thingspeak");
steveshun 2:f7645c6a85f3 42 map.put("api_key","xxx"); /* Fill your thingspeak API KEY*/
steveshun 2:f7645c6a85f3 43 sprintf(val[0],"%4.1f",sensor.read());
steveshun 2:f7645c6a85f3 44 map.put("field1", val[0]);
steveshun 2:f7645c6a85f3 45 pc.printf("\r\nPosting Data...");
steveshun 2:f7645c6a85f3 46 ret = http.post("https://api.thingspeak.com/update", map, &inText); //writing data to Thingspeak
steveshun 2:f7645c6a85f3 47 if (!ret){
steveshun 2:f7645c6a85f3 48 pc.printf("\r\nPOST successfully - read %d characters", strlen(resp));
steveshun 2:f7645c6a85f3 49 pc.printf("\r\nResult: %s\n", resp);
steveshun 2:f7645c6a85f3 50 }else{
steveshun 2:f7645c6a85f3 51 pc.printf("\r\nError Connecting to ethernet port - ret = %d - HTTP return code = %d", ret, http.getHTTPResponseCode());
omar1646 1:21d76b260bc6 52 }
eduvanceIoT 0:34d3f68b920e 53 }
omar1646 1:21d76b260bc6 54 }