Merge pull request #205 from open-watt/minor_fixes

Minor bug fixes

Author: samsinsane

src/main.d

@@ -113,7 +113,7 @@ int main(string[] args)
         Duration frame_time = getTime() - start;
 
         // work out how long to sleep
-        int sleep_usecs = 1000_000 / g_app.update_rate_hz;
+        long sleep_usecs = 1000_000 / g_app.update_rate_hz;
         sleep_usecs -= frame_time.as!"usecs";
         // only sleep if we need to sleep >20us or so...
         if (sleep_usecs > 20)

src/manager/console/argument.d

@@ -318,9 +318,10 @@ const(char[]) convertVariant(T)(ref const Variant v, out T r) nothrow @nogc
     }
     else if (v.isString)
     {
+        const(char)[] s;
         static if (__traits(compiles, { r.fromString(s); }))
         {
-            const(char)[] s = v.asString;
+            s = v.asString;
             return r.fromString(s) == s.length ? null : tconcat("Couldn't parse `" ~ Type.stringof ~ "` from string: ", v);
         }
         else

src/router/iface/can.d

@@ -172,6 +172,7 @@ nothrow @nogc:
                             const ubyte[] ebyteFrame = buffer[offset .. offset + EbyteFrameSize];
 
                             frame.control = ebyteFrame[0];
+                            assert((frame.control & 0xF) <= 8, "TODO: bad CAN frame; did we fall off the rails? bad data? skip this message? how do we resync?");
 
                             frame.id = ebyteFrame[1 .. 5].bigEndianToNative!uint;
                             frame.id &= (frame.extended ? 0x1FFFFFFF : 0x7FF);