Diff: main.cpp

Revision:

0:e4d8036affda

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Tue Feb 10 12:27:53 2015 +0000
@@ -0,0 +1,166 @@
+#include "mbed.h"
+#include "SNIC_WifiInterface.h"
+#include "HTTPClient.h"
+
+#define WIFI_SSID           ""
+#define WIFI_SECUTIRY_KEY   ""
+//#define WIFI_SECURITY_TYPE  e_SEC_OPEN
+//#define WIFI_SECURITY_TYPE  e_SEC_WEP
+//#define WIFI_SECURITY_TYPE  e_SEC_WPA_TKIP
+#define WIFI_SECURITY_TYPE  e_SEC_WPA2_AES
+//#define WIFI_SECURITY_TYPE  e_SEC_WPA2_MIXED
+//#define WIFI_SECURITY_TYPE  e_SEC_WPA_AES
+
+#define MAX_SENSING_SEC 60
+#define INTERVAL_SEC     3
+
+#define MAX_SITE 7
+char *twitter_url[MAX_SITE]= {
+    "http://192.168.0.1:3000/tweet_count?url=http://au-fx.kddi.com/",
+    "http://192.168.0.1:3000/tweet_count?url=http://www.au.kddi.com/",
+    "http://192.168.0.1:3000/tweet_count?url=http://www.kddi.com/",
+    "http://192.168.0.1:3000/tweet_count?url=http://www.kddilabs.jp/",
+    "http://192.168.0.1:3000/tweet_count?url=http://www.mozilla.org/",
+    "http://192.168.0.1:3000/tweet_count?url=http://www.apple.com/",
+    "http://192.168.0.1:3000/tweet_count?url=http://www.google.com/"
+};
+
+#define THRESHOLD1 100
+#define THRESHOLD2 1000
+#define THRESHOLD3 10000
+
+
+DigitalOut led[]={LED1,LED2,LED3,LED4};
+
+#if defined(TARGET_LPC1768)
+C_SNIC_WifiInterface wifi( p13, p14, p12, p11, p20 );
+Serial pc(USBTX, USBRX);    // This is required when defined "_DEBUG"
+#else
+#error no defined pin.
+#endif
+
+
+int connect()
+{
+    char str[512];
+    
+    pc.printf("----------------\n");
+    pc.printf("Murata TypeYD - HTTPClient example\n");
+
+    //wifi init
+    int ret = wifi.init();
+    if (!ret) {
+        printf("Initialized\n");
+    } else {
+        printf("Error wifi.init() - ret = %d\n", ret);
+        return -1;
+    }
+    wait(0.5);
+
+    //wifi disconnect for sure of wifi init
+    ret = wifi.disconnect();
+    wait(0.5);
+
+    //get wifi firm ware version
+    ret = wifi.getFWVersion((unsigned char *)str);
+    if (!ret) {
+        printf("Firmware version: %s\n", str);
+    } else {
+        printf("Error wifi.getFWVersion() - ret = %d\n", ret);
+        return -1;
+    }
+    wait(0.5);
+
+    //wifi settings
+    ret = wifi.connect( WIFI_SSID, strlen(WIFI_SSID)
+                        , WIFI_SECURITY_TYPE
+                        , WIFI_SECUTIRY_KEY, strlen(WIFI_SECUTIRY_KEY) );
+    if (!ret) {
+        printf("Wifi Connected\n");
+    } else {
+        printf("Error wifi.connect() - ret = %d\n", ret);
+        return -1;
+    }
+
+    // Use DHCP
+    wifi.setIPConfig( true );
+    //wifi.setIPConfig( false, "192.168.0.48", "255.255.255.0", "192.168.0.1" );
+    wait(0.5);
+    
+    return 0;
+}
+
+
+void disconnect(){
+    int ret = wifi.disconnect();
+    if (!ret) {
+        printf("Disconnected\n");
+    } else {
+        printf("Error wifi.disconnect() - ret = %d\n", ret);
+    }
+    while(1) {
+    }
+}
+
+
+void output_result(const char* count)
+{
+    int i;
+    long value;
+    char *endp;
+    
+    for(i=0; i<4; i++){ led[i] = 0; }
+    
+    if(!count || count[0] == '\0'){
+        return;
+    }
+    
+    value = strtol(count, &endp, 10);
+    if(*endp != '\0'){
+        return;
+    }
+    
+    if(value > 0){
+        led[0] = (value > 0);
+        led[1] = (value > THRESHOLD1);
+        led[2] = (value > THRESHOLD2);
+        led[3] = (value > THRESHOLD3);
+    }
+}
+
+
+int main()
+{
+    char count[11];
+    int ret, i = 0;
+    HTTPClient http;
+    Ticker ticker; 
+    
+    //for debug setting
+    pc.baud( 115200 ); //for debug setting
+
+    if(connect() < 0){
+        return -1;
+    }    
+    
+    led[0] = 1;
+    
+    ticker.attach(&disconnect, MAX_SENSING_SEC);// interrupt disconnect method running after MAX_SENSING_SEC
+
+    // GET data
+    while(1){
+        printf("\r\nTrying to GET request...\r\n");
+        i = rand() % MAX_SITE;
+        ret = http.get(twitter_url[i], count, sizeof(count) - 1);
+        if (!ret) {
+            printf("Page fetched successfully - read %d characters\r\n", strlen(count));
+            printf("Tweet Count: %s\r\n", count);
+            
+            output_result(count);            
+        } else {
+            printf("Error - ret = %d - HTTP return code = %d\r\n", ret, http.getHTTPResponseCode());
+        }
+        
+        wait(INTERVAL_SEC);
+    }
+}