Diff: main.cpp

Revision:

6:f5189d4f109f

Parent:

5:f0c0128cde62

diff -r f0c0128cde62 -r f5189d4f109f main.cpp
--- a/main.cpp	Tue Jul 14 09:54:39 2015 +0000
+++ b/main.cpp	Sat Jul 18 16:23:11 2015 +0000
@@ -4,6 +4,7 @@
 #include "NTPClient.h"
 #include "OAuth4Tw.h"
 
+Serial pc(USBTX, USBRX);
 DigitalOut myled(LED1);
 EthernetInterface eth;
 NTPClient ntp;
@@ -14,33 +15,64 @@
               "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx");     // Access token secret
 
 #if defined(TARGET_LPC1768)
-static char res_buffer[512];
-#elif defined(TARGET_K64F)
-static char res_buffer[4096];
+#define RESPONSE_BUFFER_SIZE 512
+#elif defined(TARGET_K64F) || defined(TARGET_LPC4088)
+#define RESPONSE_BUFFER_SIZE 4096
 #else
 #error not tested platform.
 #endif
 
+char response_buffer[RESPONSE_BUFFER_SIZE];
+HTTPText response(response_buffer, sizeof(response_buffer));
+
+// prototype
+void updateTime();
+void example_tweet1();
+void example_tweet2();
+void example_tweet3();
+void example_getUserData();
+
 int main()
 {
-    int ret = eth.init(); //Use DHCP
-    if (!ret) {
-        printf("Initialized, MAC: %s\n", eth.getMACAddress());
-    } else {
-        printf("Error eth.init() - ret = %d\n", ret);
-        return -1;
+    pc.baud(115200);
+
+    eth.init(); //Use DHCP
+    printf("Initialized, MAC: %s\n", eth.getMACAddress());
+
+    int ret;
+    while ((ret = eth.connect()) != 0) {
+        printf("Error eth.connect() - ret = %d\n", ret);
     }
 
-    ret = eth.connect();
-    if (!ret) {
-        printf("Connected, IP: %s, MASK: %s, GW: %s\n",
-               eth.getIPAddress(), eth.getNetworkMask(), eth.getGateway());
-    } else {
-        printf("Error eth.connect() - ret = %d\n", ret);
-        return -1;
+    printf("Connected, IP: %s, MASK: %s, GW: %s\n",
+           eth.getIPAddress(), eth.getNetworkMask(), eth.getGateway());
+
+    // requires accurate time, for OAuth Authorization.
+    updateTime();
+
+    while (1) {
+
+        example_tweet1();
+        //example_tweet2();
+        //example_tweet3();
+
+        example_getUserData();
+
+        // Wait 60 seconds for next time.
+        for (int t=0; t<60; t++) {
+            myled = 1;
+            wait(0.2);
+            myled = 0;
+            wait(0.8);
+        }
+
+        printf("\n");
     }
+}
 
 
+void updateTime()
+{
     printf("Trying to update time...\n");
 
     time_t ctTime;
@@ -71,71 +103,106 @@
                 break;
             default:
                 printf("Error result=%d\n", result);
-                return -1;
+                break;
         }
 
         wait(5);
     }
+}
 
 
-    HTTPText res(res_buffer, sizeof(res_buffer));
+void example_tweet1()
+{
+    const char url[] = "https://api.twitter.com/1.1/statuses/update.json"
+                       "?status=Hello World! - %s";
+    char url2[128];
 
-    while (1) {
-#if 0
-        {
-            char url[128];
-
-            time(&ctTime);
-
-            snprintf(url, sizeof(url),
-                     "https://api.twitter.com/1.1/statuses/update.json"
-                     "?status=Hello World! - %s", ctime(&ctTime));
+    time_t ctTime;
+    time(&ctTime);
 
-            res_buffer[0] = '\0';
-            HTTPResult result = oa4t.post(url, &res);
-            printf("POST result = %d\n%s\n", result, res_buffer);
-        }
-#else
-        {
-            std::vector<std::string> post;
-            post.reserve(3);
+    snprintf(url2, sizeof(url2), url, ctime(&ctTime));
+
+    HTTPResult result = oa4t.post(url2, &response);
 
-            char status[64];
-            char location_lat[24];
-            char location_long[24];
-
-            time(&ctTime);
+    if (result == HTTP_OK) {
+        printf("POST success.\n%s\n", response_buffer);
+    } else {
+        printf("POST error. (result = %d)\n", result);
+    }
+}
 
-            snprintf(status, sizeof(status), "status=Hello Fujiyama! - %s", ctime(&ctTime));
-            snprintf(location_lat, sizeof(location_lat), "lat=%f", 35.359577);
-            snprintf(location_long, sizeof(location_long), "long=%f", 138.731414);
-            post.push_back(status);
-            post.push_back(location_lat);
-            post.push_back(location_long);
+void example_tweet2()
+{
+    const char url[] = "https://api.twitter.com/1.1/statuses/update.json";
 
-            res_buffer[0] = '\0';
-            HTTPResult result = oa4t.post("https://api.twitter.com/1.1/statuses/update.json", &post, &res);
-            printf("POST result = %d\n%s\n", result, res_buffer);
-        }
-#endif
+    std::vector<std::string> post;
+    post.reserve(1);
+
+    char status[128];
 
-        {
-            const char url[] = "https://api.twitter.com/1.1/users/show.json"
-                               "?screen_name=twitter";
+    time_t ctTime;
+    time(&ctTime);
 
-            res_buffer[0] = '\0';
-            HTTPResult result = oa4t.get(url, &res);
-            printf("GET result = %d\n%s\n", result, res_buffer);
-        }
+    snprintf(status, sizeof(status), "status=Hello World! - %s", ctime(&ctTime));
+    post.push_back(status);
 
-        // Wait 60 seconds for next time.
-        for (int t=0; t<60; t++) {
-            myled = 1;
-            wait(0.2);
-            myled = 0;
-            wait(0.8);
-        }
+    HTTPResult result = oa4t.post(url, &post, &response);
 
-        printf("\n");
+    if (result == HTTP_OK) {
+        printf("POST success.\n%s\n", response_buffer);
+    } else {
+        printf("POST error. (result = %d)\n", result);
     }
 }
+
+void example_tweet3()
+{
+    const char url[] = "https://api.twitter.com/1.1/statuses/update.json";
+
+    std::vector<std::string> post;
+    post.reserve(3);
+
+    struct tm tmptr;
+    char tmstr[34];
+    char status[128];
+    char location_lat[24];
+    char location_long[24];
+
+    time_t ctTime;
+    time(&ctTime);
+    ctTime += 9 * 60 * 60;  // Timezone: JST(+9h)
+    localtime_r(&ctTime, &tmptr);
+
+    // Tweets in Japanese
+    strftime(tmstr, sizeof(tmstr), "%Y年%m月%d日 %H時%M分%S秒", &tmptr);
+    snprintf(status, sizeof(status), "status=ハロー・ワールド！ - %s", tmstr);
+    post.push_back(status);
+
+    // Option: add Location information
+    snprintf(location_lat, sizeof(location_lat), "lat=%f", 35.359577);
+    snprintf(location_long, sizeof(location_long), "long=%f", 138.731414);
+    post.push_back(location_lat);
+    post.push_back(location_long);
+
+    HTTPResult result = oa4t.post(url, &post, &response);
+
+    if (result == HTTP_OK) {
+        printf("POST success.\n%s\n", response_buffer);
+    } else {
+        printf("POST error. (result = %d)\n", result);
+    }
+}
+
+void example_getUserData()
+{
+    const char url[] = "https://api.twitter.com/1.1/users/show.json"
+                       "?screen_name=twitter";
+
+    HTTPResult result = oa4t.get(url, &response);
+
+    if (result == HTTP_OK) {
+        printf("GET success.\n%s\n", response_buffer);
+    } else {
+        printf("GET error. (result = %d)\n", result);
+    }
+}