A simple sample program to trigger Maker Channel of IFTTT from mbed LPC1114FN28.
Dependencies: W5500Interface mbed
Fork of AxedaGo-mbedNXP_WIZ550io by
main.cpp
- Committer:
- AxedaCorp
- Date:
- 2014-06-23
- Revision:
- 3:359e019da3b9
- Parent:
- 2:3402e0dbab6b
- Child:
- 4:22d6467147a5
File content as of revision 3:359e019da3b9:
#include "mbed.h" #include "EthernetInterface.h" EthernetInterface eth; AnalogIn pot1(p19); TCPSocketConnection sock; DigitalOut led1(LED1); DigitalOut led2(LED2); DigitalOut led3(LED3); DigitalOut led4(LED4); int main() { char *MODEL = "mbed"; char *SERIAL_NUM = "nlr__jrogers_axeda_com___6239433"; float DEADBAND = 0.015; char* ip; int http_cmd_sz=800; char http_cmd[http_cmd_sz]; int buffer_sz=300; char buffer[buffer_sz]; int returnCode = 0; led1 = 1; led2 = 1; led3 = 1; led4 = 1; printf("initializing Ethernet\r\n"); returnCode = eth.init(); //Use DHCP if ( returnCode == 0 ) { printf(" - Ethernet ready\r\n"); led1 = returnCode; } else { printf(" - Could not initialize Ethernet - ending\r\n"); return 0; } printf("Ethernet.connecting \r\n"); returnCode = eth.connect(); printf(" - connecting returned %d \r\n", returnCode); led2 = returnCode != -1 ? 0: 1; printf("Trying to get IP address..\r\n"); ip = eth.getIPAddress(); led3 = strlen(ip)<4 ? 1: 0; printf(" - IP address:%s\r\n", ip); float oil_level = 0.0; float oldPotVal = -2.0; while(1) { oil_level = pot1.read(); if ( abs(oil_level - oldPotVal) < DEADBAND) { continue; } else { led4 = 1; oldPotVal = oil_level; printf("Sending Value %.2f\n\r", oil_level); sock.connect("toolbox-stage-connect.axeda.com", 80); snprintf(http_cmd, http_cmd_sz, "POST /ammp/data/1/%s!%s HTTP/1.1\r\nContent-Type: application/json\r\nContent-Length: 47\r\n\r\n{\"data\":[{\"di\":{\"oil_level\":%.2f}}]}\r\n\r\n", MODEL, SERIAL_NUM, oil_level); sock.send_all(http_cmd, strlen(http_cmd)-1); while ( (returnCode = sock.receive(buffer, sizeof(buffer)-1)) > 0) { buffer[returnCode] = '\0'; printf("Received %d chars from server:\n\r%s\n", returnCode, buffer); } led4 = returnCode; sock.close(); } } }