Satoshi Togawa / Mbed 2 deprecated mpod_picasa_photoframe

Download picasa web albums photos automatically. This application requires mpod mother board. See also http://mbed.org/users/geodenx/notebook/mpod/

Dependencies:   BlinkLed HTTPClient EthernetInterface FatFileSystemCpp MSCFileSystem mbed-rtos mbed

Download picasa web albums photos automatically.
This application requires mpod mother board.

Picasaウェブアルバムから、自動的に写真をダウンロードして、ディジタルフォトフレームに表示します。
動作させるには mpod マザーボード が必要です。
プログラムの中で、ご自分のアルバムのRSSファイルへのURLを指定してからご利用下さい。

album description edit information description

Files at this revision

API Documentation at this revision

Revision 3:ffbb2b22099a, committed 2012-08-24

Comitter:
togayan
Date:
Fri Aug 24 16:16:54 2012 +0000
Parent:
2:531722036c0a
Child:
4:f2d619e67d44
Commit message:
Even if the DCIM folder does not exist, the photos are downloaded.

Changed in this revision

main.cpp Show annotated file Show diff for this revision Revisions of this file 
--- a/main.cpp	Fri Aug 24 13:07:06 2012 +0000
+++ b/main.cpp	Fri Aug 24 16:16:54 2012 +0000
@@ -26,6 +26,7 @@
 
 /***** Please specify "albumRssUrl" *****/
 const char* albumRssUrl  = "http://picasaweb.google.com/data/feed/base/user/*****/albumid/*****?alt=rss&kind=photo&authkey=*****&hl=ja";
+
 const char* albumRssPath = "/usb/album.xml";
 const char* tempPath     = "/usb/temp.xml";
 const char* summaryPath  = "/usb/summary.xml";
@@ -36,6 +37,16 @@
     printf("mpod Picasa Photo frame\n");
     printf("================================\n\n");
     
+    // Check albumRssUrl
+    if(NULL != strstr(albumRssUrl, "*****"))
+    {
+        error("[ERROR] Please specify the RSS of YOUR album to \"albumRssUrl\" in the firmware.\n");   
+    }
+    if(NULL != strstr(albumRssUrl, "https"))
+    {
+        error("[ERROR] Please specify the URL of the RSS in \"HTTP\" format.\n");
+    }
+    
     // FSUSB30 switches to HSD1 (mbed)
     printf("USB host was switched to HSD1(mbed).\n\n");
     fsusb30s = 0; // HSD1
@@ -94,13 +105,35 @@
     strcpy(lastBuildDateCurrent, lastBuildDateCurrentElement->GetText());
     printf("\nlastBuildDate (current) : %s\n", lastBuildDateCurrent);
     
-    if( strcmp(lastBuildDateOriginal, lastBuildDateCurrent) != 0 )
+    
+    // Determine the necessity of downloading new Photos.
+    bool flgDownloadPhoto = false;
+    if ( strcmp(lastBuildDateOriginal, lastBuildDateCurrent) == 0 )
+    {
+        printf("lastBuildDate (original) == lastBuildDate (current)\n");
+        if(DirHandle* dir = opendir("/usb/DCIM")) // check an existance of DCIM folder
+        {
+            printf("However, no DCIM folder in USB memory\n");
+            flgDownloadPhoto = true;
+        }
+        else
+        {
+            //Should be checked whether files exist.
+            flgDownloadPhoto = false;
+        }
+    }
+    else
     {
         printf("lastBuildDate (original) != lastBuildDate (current)\n");
+        flgDownloadPhoto = true;
+    }
+    
+    // Download new Photos
+    if(flgDownloadPhoto)
+    {
         if(removePhotos() < 0)
         {
-            fsusb30s = 1; // HSD2
-            error("No \"DCIM\" folder in MSD.\n");
+            mkdir("/usb/DCIM", 0777);
         }
     
         char photoUrl[256] = {0};
@@ -126,10 +159,6 @@
             ++photoNo;
         }
     }
-    else
-    {
-        printf("lastBuildDate (original) == lastBuildDate (current)\n");
-    }
     
     // Wait for the completion of writing to USB Mass Storage Device.
     wait(1);
@@ -149,7 +178,7 @@
 {
     led2.startBlink();
     ethYellow.startBlink();
-    printf("\nGetting %s\n", url);
+    printf("\nGetting %s -> %s\n", url, path);
     
     timer.stop();
     timer.reset();