[G15daemon-commits] SF.net SVN: g15daemon: [142] trunk/g15daemon-wip/g15daemon/main.c

[<mla...@us...>]

Revision: 142
          http://svn.sourceforge.net/g15daemon/?rev=142&view=rev
Author:   mlampard
Date:     2006-11-14 17:57:07 -0800 (Tue, 14 Nov 2006)

Log Message:
-----------
discard excess frames to reduce load on the USB bus.  reduces/resolves problem with missed keypresses.

Modified Paths:
--------------
    trunk/g15daemon-wip/g15daemon/main.c

Modified: trunk/g15daemon-wip/g15daemon/main.c
===================================================================
--- trunk/g15daemon-wip/g15daemon/main.c	2006-11-14 10:28:29 UTC (rev 141)
+++ trunk/g15daemon-wip/g15daemon/main.c	2006-11-15 01:57:07 UTC (rev 142)
@@ -172,7 +172,8 @@
 
     lcdlist_t *displaylist = (lcdlist_t*)(lcdlist);
     static long int lastlcd = 1;
-    
+    static unsigned int lastscreentime;
+    unsigned int fps = 0;
     lcd_t *displaying = displaylist->tail->lcd;
     memset(displaying->buf,0,1024);
     
@@ -184,8 +185,14 @@
         displaying = displaylist->current->lcd;
         
         if(displaying->ident != lastlcd){
-           uf_write_buf_to_g15(displaying);
-           lastlcd = displaying->ident;
+            /* monitor 'fps' - due to the TCP protocol, some frames will be bunched up.
+            discard excess to reduce load on the bus - FIXME*/
+            fps = 1000 / (g15daemon_gettime_ms() - lastscreentime);
+            if(fps<50){  //peak fps rate - most plugins/clients will never come close
+                uf_write_buf_to_g15(displaying);
+                lastscreentime = g15daemon_gettime_ms();
+            }
+            lastlcd = displaying->ident;
         }
         
         if(displaying->state_changed ){


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