HTTP client example using W5500 ethernet kit for IoT. Get weather information of Seoul, South Korea.

Dependencies:   HTTPClient WIZnet_Library mbed

Fork of CurrentWeatherData_W5500 by W5500-Ethernet-Interface Makers

Revision:
0:a0431fb6c6e0
Child:
2:b63f21ff9817
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Tue Sep 02 01:17:05 2014 +0000
@@ -0,0 +1,54 @@
+#include "mbed.h"
+#include "W5500Interface/EthernetInterface.h"
+#include "HTTPClient.h"
+
+ 
+int main() {
+//    EthernetInterface eth;
+// change for W5500 interface.
+#if defined(TARGET_LPC1114)
+    SPI spi(dp2, dp1, dp6); // mosi, miso, sclk
+    EthernetInterface eth(&spi, dp25, dp26); // spi, cs, reset
+
+#elif defined(TARGET_LPC1768)
+    SPI spi(p11, p12, p13); // mosi, miso, sclk
+    EthernetInterface eth(&spi, p14, p15); // spi, cs, reset
+#elif defined(TARGET_LPC11U68)
+    SPI spi(P0_9, P0_8, P1_29); // mosi, miso, sclk
+    EthernetInterface eth(&spi, P0_2, P1_28);//, nRESET(p9); // reset pin is dummy, don't affect any pin of WIZ550io
+    spi.format(8,0); // 8bit, mode 0
+    spi.frequency(7000000); // 7MHz
+    wait(1); // 1 second for stable state
+#elif defined(TARGET_KL25Z)
+    Serial pc(USBTX, USBRX);
+    pc.baud(115200);
+    printf("spi init\r\n");
+    SPI spi(D11, D12, D13); // mosi, miso, sclk
+    wait(1); // 1 second for stable state
+    EthernetInterface eth(&spi, D10, D9);//scs(D10), nRESET(PTA20)
+    printf("App Start\r\n");
+    wait(1); // 1 second for stable state
+#endif
+    eth.init(); //Use DHCP
+    eth.connect();
+
+    printf("IP Address is %s\r\n", eth.getIPAddress());
+    
+    char str[512];
+    char get_msg[512]= "http://api.openweathermap.org/data/2.5/weather?q=Seoul";
+    HTTPClient http;
+    
+    printf("Send get Message to openeathermap.org\r\n");
+    printf("msg : %s\r\n",get_msg);
+    int ret = http.get(get_msg, str, sizeof(str));
+    if(!ret)
+    {
+      printf("\r\nPage fetched successfully - read %d characters\r\n", strlen(str));
+      printf("Result: %s\r\n", str);
+    }
+    else
+    {
+      printf("Error - ret = %d - HTTP return code = %d\n", ret, http.getHTTPResponseCode());
+    }
+   
+}