Lab 6_v2
Dependencies: mbed Thingspeak_template LM75B mbed-rtos EthernetInterface MMA7660
Dependents: Thingspeak_template
main.cpp
- Committer:
- steveshun
- Date:
- 2021-08-16
- Revision:
- 2:f7645c6a85f3
- Parent:
- 1:21d76b260bc6
File content as of revision 2:f7645c6a85f3:
#include "mbed.h" #include "HTTPClient.h" #include "LM75B.h" #include "MMA7660.h" #include "EthernetInterface.h" LM75B sensor(D14,D15); MMA7660 accel(PTE25 , PTE24); char buffer[256]; char resp[1024]; char val[4][16]; int ret = 0; Serial pc(USBTX,USBRX); //Ethernet Interface EthernetInterface eth; //HTTP Client for interfacing to web services HTTPClient http; #define IP "184.106.153.149" // thingspeak.com IP Address //http client init HTTPMap map; HTTPText inText(resp, 1024); //String thingtweetAPIKey = "TTEVLP931ODJ5GMT"; int main () { //ethernet init eth.init(); //Use DHCP ret= eth.connect(); if (!ret){ pc.printf("\r\nConnected, IP: %s, MASK: %s, GW: %s", eth.getIPAddress(), eth.getNetworkMask(), eth.getGateway()); } else { pc.printf("\r\nError eth.connect() - ret = %d", ret); } while(1){ pc.printf("\r\nWriting to thingspeak"); map.put("api_key","xxx"); /* Fill your thingspeak API KEY*/ sprintf(val[0],"%4.1f",sensor.read()); map.put("field1", val[0]); pc.printf("\r\nPosting Data..."); ret = http.post("https://api.thingspeak.com/update", map, &inText); //writing data to Thingspeak if (!ret){ pc.printf("\r\nPOST successfully - read %d characters", strlen(resp)); pc.printf("\r\nResult: %s\n", resp); }else{ pc.printf("\r\nError Connecting to ethernet port - ret = %d - HTTP return code = %d", ret, http.getHTTPResponseCode()); } } }