Revision 14:0e012d53c6df, committed 2014-06-27

Comitter:

WiredHome

Date:

Fri Jun 27 20:57:23 2014 +0000

Parent:

13:cf76c2bd3dfc

Child:

15:49cc43dcbbf6

Commit message:

bin file must be 8-chars total, so revised the example to have a shorter filename, and sequence number to be 2 digit, not 3.

Changed in this revision

--- a/SWUpdate.cpp	Sat Jun 21 19:39:27 2014 +0000
+++ b/SWUpdate.cpp	Fri Jun 27 20:57:23 2014 +0000
@@ -11,7 +11,7 @@
 
 extern "C" void mbed_reset();
 
-//#define DEBUG "SWup"
+#define DEBUG "SWup"
 #include <cstdio>
 #if (defined(DEBUG) && !defined(TARGET_LPC11U24))
 #define DBG(x, ...)  std::printf("[DBG %s %3d] "x"\r\n", DEBUG, __LINE__, ##__VA_ARGS__);
@@ -101,7 +101,7 @@
     struct dirent *p;
     bool noFailed = true;
    
-    snprintf(curbin, SW_MAX_FQFN, "%s%03d.bin", name, ver);
+    snprintf(curbin, SW_MAX_FQFN, "%s%02d.bin", name, ver);
     INFO("Remove bin files excluding {%s}", curbin);
     d = opendir("/local/");
     // Get a directory handle
@@ -164,7 +164,7 @@
             INFO("          file size: %d", fsize);
             if (inst_ver != latest_ver) {
                 INFO("  Downloading firmware ver %d ...", latest_ver);
-                sprintf(fwfn, "/local/%s%03d.BIN", name, latest_ver);
+                sprintf(fwfn, "/local/%s%02d.BIN", name, latest_ver);
                 snprintf(fqurl, 150, "%s/%s.bin", url, name);
         
                 HTTPFile latest(fwfn);

--- a/SWUpdate.h	Sat Jun 21 19:39:27 2014 +0000
+++ b/SWUpdate.h	Fri Jun 27 20:57:23 2014 +0000
@@ -13,11 +13,17 @@
 /// Your application will have a name of your choosing, which you will 
 /// use in the API.
 ///
+/// @note Your binary file name should not exceed 6 characters. This leaves
+///     room for a 2-digit sequence number. Since this is using the local
+///     file system, it does not support long filenames when accessed from
+///     the mbed. So, SomeLongFile23.bin becomes somefi~1.bin and is then 
+///     erased, leaving no file.
+///
 /// Local File System Files:
 ///
 /// The files of interest on the local file system are as follows:
 ///
-///   @li myprog_23.bin - The actual application binary file that is currently
+///   @li myprog23.bin - The actual application binary file that is currently
 ///             executing. In this case, this is the 23rd version that
 ///             has been installed. You can go to 99 after which you might
 ///             want to start over.
@@ -27,7 +33,7 @@
 ///
 /// If "myprog.ver" does not exist, it will assume that the server has a 
 /// newer application, so it will be downloaded and activated (even if all
-/// it does is to replace the existing myprog_23.bin file).
+/// it does is to replace the existing myprog23.bin file).
 ///
 /// Web Server Files:
 ///
@@ -53,9 +59,9 @@
 /// Variations:
 ///
 ///   Within that single web server folder, you could have several apps - 
-///     @li SensorNode.bin, SensorNode.txt
-///     @li SensorNode_B.bin, SensorNode_B.txt
-///     @li SensorDisplay.bin, SensorDisplay.txt
+///     @li Sensor.bin, Sensor.txt
+///     @li SensrB.bin, SensrB.txt
+///     @li SensrD.bin, SensrD.txt
 ///
 ///   In this example, perhaps your first version was called SensorNode, but
 ///   with a small hardware design change, you have a new "model B" version.
@@ -96,8 +102,8 @@
 
 // This defines the maximum string length for a fully qualified
 // filename. Usually, this will be pretty short 
-// (e.g. "/local/myprogramname.bin"), but we want to be generous.
-#define SW_MAX_FQFN 80
+// (e.g. "/local/myprog.bin"), but we want to be generous.
+#define SW_MAX_FQFN 30
 
 // This defines the maximum string length for the url, including
 // the base filename of interest.