![](/media/cache/group/default_image.jpg.50x50_q85.jpg)
A basic example of using the mbed NXP LPC1768 Application Board with Exosite.
Dependencies: C12832_lcd EthernetInterface HTTPClient LM75B MMA7660 RGBLed mbed-rtos mbed
Fork of exosite_http_example by
Diff: main.cpp
- Revision:
- 1:ae20607dd0c1
- Parent:
- 0:30a991e08e77
- Child:
- 2:8907a25944ab
--- a/main.cpp Fri May 02 14:53:22 2014 +0000 +++ b/main.cpp Fri May 02 22:00:13 2014 +0000 @@ -1,100 +1,85 @@ #include "mbed.h" #include "EthernetInterface.h" +#include "C12832_lcd.h" EthernetInterface eth; -string CIK = "996a6abfb619711dbf3532cc82a6df6513821532"; // copy Device CIK from Portals +char CIK[] = "c85bec1649f3450667f918305dc33b85af024686"; // patrick's "mbed Dev Board" AnalogIn aPot1(p19); -Timer t; +Timer send_timer, run_time; + +static C12832_LCD lcd; + +int main() +{ + run_time.start(); + send_timer.start(); -int main() { - t.start(); + printf("\r\nStart\r\n"); + + eth.init(); //Use DHCP - printf("\r\nStart\n"); - eth.init(); //Use DHCP + lcd.printf("Exosite HTTP Cloud Demo"); + lcd.locate(0,11); + lcd.printf("MAC: %s", eth.getMACAddress()); + lcd.locate(0,22); + lcd.printf("IP: Requesting From DHCP..."); + eth.connect(); - printf("\r\nSetting up...\r\n"); - printf("IP Address is %s\n", eth.getIPAddress()); - printf("MAC Address is %s\n", eth.getMACAddress()); - printf("\r\nSetup OK\r\n"); + + printf("IP Address is %s\r\n", eth.getIPAddress()); + printf("MAC Address is %s\r\n", eth.getMACAddress()); - - int ping = 0; + lcd.locate(0,22); + lcd.printf("IP: %s ", eth.getIPAddress()); + + printf("[%f] Running...\r\n", run_time.read()); while (1) { - wait(20); - - float totalPot1 = 0; - float avgPot1 = 0; - for (int i = 0; i<30; i++) { - totalPot1 += abs(aPot1); + int ret; + char post_data [70]; + int len = snprintf(post_data, 69, "uptime=%0.0f&tempa=128",run_time.read()); + + + printf("[%f] Connecting...\r\n", run_time.read()); + TCPSocketConnection sock; + //ret = sock.connect("192.168.3.147", 8090); + ret = sock.connect("m2.exosite.com", 80); + + if (ret == -1) { + printf("[%f] Error Connecting to Server\r\n", run_time.read()); + continue; } - avgPot1 = totalPot1/30; - printf("Pot1 Value: %03f \r\n", avgPot1); - - float newTime = t.read(); - printf("Current Time: %f \r\n",newTime); - if (newTime > 320) { - t.reset(); - ping ++; - if (ping > 100) { - ping = 1; - } - char data [70]; - int len = sprintf(data, "ping=%d&power=%03f",ping,avgPot1); - - TCPSocketConnection sock; - sock.connect("m2.exosite.com/", 80); - - char http_cmd[] = "GET /api:v1/stack/alias HTTP/1.1\r\n"; - sock.send_all(http_cmd, sizeof(http_cmd)-1); - char http_format[] = "application/x-www-form-urlencoded; charset=utf-8"; - sock.send_all(http_format, sizeof(http_format)-1); - - - char buffer[300]; - int ret; - while (true) { - ret = sock.receive(buffer, sizeof(buffer)-1); - if (ret <= 0) - break; - buffer[ret] = '\0'; - printf("Received %d chars from server:\n%s\n", ret, buffer); - } - - sock.close(); - - eth.disconnect(); - - HTTPClient http; - http.setRequestHeader("X-Exosite-CIK", CIK); - - HTTPText Content("application/x-www-form-urlencoded; charset=utf-8"); - Content.set(data); - string uri = "http://m2.exosite.com/api:v1/stack/alias"; // uri for post includes feed ID // uri for post includes feed ID - - printf("Sending Data to Exosite..."); - HTTPResult result = http.post(uri.c_str(), Content, NULL); - // result should be 0 and response should be 200 for successful post - int response = http.getHTTPResponseCode(); - if (result==HTTP_OK) { - printf("done\r\n"); - //printf("Response: %d\n",response); - } else { - if (response == 204) { //expected No Content (204) error - printf("done\r\n"); - //printf("Response: %d\n",response); - } else { - printf("failed\r\n"); - printf("Error %d\r\n", result); - printf("Response: %d\r\n",response); - } - } + printf("[%f] Sending...\r\n", run_time.read()); + + char header_tmp[80] = "POST /api:v1/stack/alias?screen HTTP/1.1\r\n"; + sock.send(header_tmp, strlen(header_tmp)); + sock.send("Host: m2.exosite.com\r\n", strlen("Host: m2.exosite.com\r\n")); + snprintf(header_tmp, 79, "X-Exosite-CIK: %s\r\n", CIK); + sock.send(header_tmp, strlen(header_tmp)); + sock.send("Accept: application/x-www-form-urlencoded; charset=utf-8\r\n", strlen("Accept: application/x-www-form-urlencoded; charset=utf-8\r\n")); + sock.send("Content-Type: application/x-www-form-urlencoded; charset=utf-8\r\n", strlen("Content-Type: application/x-www-form-urlencoded; charset=utf-8\r\n")); + sock.send("Connection: close\r\n", strlen("Connection: close\r\n")); + snprintf(header_tmp, 79, "Content-Length: %i\r\n", strlen(post_data)); + sock.send(header_tmp, strlen(header_tmp)); + sock.send("\r\n", strlen("\r\n")); + sock.send_all(post_data, strlen(post_data)); + + printf("[%f] Receiving...\r\n", run_time.read()); + + char buffer[300]; + ret = sock.receive_all(buffer, 300); + if(ret >= 0){ + printf("Received %d chars from server:\r\n%.*s\r\n", ret, ret, buffer); + }else{ + printf("Error Receiving"); } + + sock.close(); + + wait(5); } - return 0; - }