fix for micros() when not running at default 72MHz. Was affecting intrc-only operation at 64MHz. Updated uvproj to latest keil mdk

git-svn-id: https://afrodevices.googlecode.com/svn/trunk/baseflight@329 7c89a4a9-59b9-e629-4cfe-3a2d53b20e61

baseflight.uvproj

@@ -165,6 +165,7 @@
             <Capability>1</Capability>
             <DriverSelection>4096</DriverSelection>
           </Flash1>
+          <bUseTDR>0</bUseTDR>
           <Flash2>BIN\UL2CM3.DLL</Flash2>
           <Flash3>"" ()</Flash3>
           <Flash4></Flash4>
@@ -970,6 +971,7 @@
             <Capability>1</Capability>
             <DriverSelection>4096</DriverSelection>
           </Flash1>
+          <bUseTDR>0</bUseTDR>
           <Flash2>BIN\UL2CM3.DLL</Flash2>
           <Flash3>"" ()</Flash3>
           <Flash4></Flash4>
@@ -1719,6 +1721,7 @@
             <Capability>1</Capability>
             <DriverSelection>4096</DriverSelection>
           </Flash1>
+          <bUseTDR>0</bUseTDR>
           <Flash2>BIN\UL2CM3.DLL</Flash2>
           <Flash3>"" ()</Flash3>
           <Flash4></Flash4>

src/drv_system.c

@@ -33,7 +33,7 @@ uint32_t micros(void)
         ms = sysTickUptime;
         cycle_cnt = SysTick->VAL;
     } while (ms != sysTickUptime);
-    return (ms * 1000) + (72000 - cycle_cnt) / 72;
+    return (ms * 1000) + (usTicks * 1000 - cycle_cnt) / usTicks;
 }
 
 // Return system uptime in milliseconds (rollover in 49 days)