logging: moved the default log_bitmask calculation to compile time

this saves a little bit of code by moving the calculation of the
default log bitmask to compile time from runtime

(merge from APM)

git-svn-id: https://arducopter.googlecode.com/svn/trunk@2887 f9c3cf11-9bcb-44bc-f272-b75c42450872

ArduCopterMega/Log.pde

@@ -168,7 +168,6 @@ select_logs(uint8_t argc, const Menu::arg *argv)
 	//
 	if (!strcasecmp_P(argv[1].str, PSTR("all"))) {
 		bits = ~0;
-		bits = bits ^ MASK_LOG_SET_DEFAULTS;
 	} else {
 		#define TARG(_s)	if (!strcasecmp_P(argv[1].str, PSTR(#_s))) bits |= MASK_LOG_ ## _s
 		TARG(ATTITUDE_FAST);

ArduCopterMega/Parameters.h

@@ -313,7 +313,7 @@ public:
 
 	pitch_max				(PITCH_MAX * 100,			k_param_pitch_max,						PSTR("PITCH_MAX")),
 
-	log_bitmask				(MASK_LOG_SET_DEFAULTS,		k_param_log_bitmask,					PSTR("LOG_BITMASK")),
+	log_bitmask				(DEFAULT_LOG_BITMASK,		k_param_log_bitmask,					PSTR("LOG_BITMASK")),
 	RTL_altitude			(ALT_HOLD_HOME * 100,		k_param_RTL_altitude,					PSTR("ALT_HOLD_RTL")),
 	esc_calibrate 			(0, 						k_param_esc_calibrate, 					PSTR("ESC")),
 	frame_orientation 		(FRAME_ORIENTATION, 		k_param_frame_orientation, 				PSTR("FRAME")),

ArduCopterMega/config.h

@@ -492,6 +492,21 @@
 # define LOG_CURRENT			DISABLED
 #endif
 
+// calculate the default log_bitmask
+#define LOGBIT(_s)     (LOG_##_s ? MASK_LOG_##_s : 0)
+
+#define DEFAULT_LOG_BITMASK \
+               LOGBIT(ATTITUDE_FAST)   | \
+               LOGBIT(ATTITUDE_MED)    | \
+               LOGBIT(GPS)                             | \
+               LOGBIT(PM)                              | \
+               LOGBIT(CTUN)                    | \
+               LOGBIT(NTUN)                    | \
+               LOGBIT(MODE)                    | \
+               LOGBIT(RAW)                             | \
+               LOGBIT(CMD)                             | \
+               LOGBIT(CURRENT)
+
 // if we are using fast, Disable Medium
 //#if LOG_ATTITUDE_FAST == ENABLED
 //	#undef LOG_ATTITUDE_MED

ArduCopterMega/defines.h

@@ -275,7 +275,6 @@
 #define MASK_LOG_CMD			(1<<8)
 #define MASK_LOG_CURRENT		(1<<9)
 #define MASK_LOG_MOTORS			(1<<10)
-#define MASK_LOG_SET_DEFAULTS	(1<<15)
 
 // Waypoint Modes
 // ----------------

ArduCopterMega/setup.pde

@@ -120,7 +120,6 @@ setup_factory(uint8_t argc, const Menu::arg *argv)
 	Serial.printf_P(PSTR("\nFACTORY RESET complete - reboot APM"));
 
 	delay(1000);
-	//default_log_bitmask();
 	//default_gains();
 
 	for (;;) {
@@ -727,31 +726,6 @@ setup_mag_offset(uint8_t argc, const Menu::arg *argv)
 */
 
 
-/***************************************************************************/
-// CLI defaults
-/***************************************************************************/
-
-void default_log_bitmask()
-{
-	// convenience macro for testing LOG_* and setting LOGBIT_*
-	#define LOGBIT(_s)	(LOG_##_s ? MASK_LOG_##_s : 0)
-
-	g.log_bitmask =
-		LOGBIT(ATTITUDE_FAST)	|
-		LOGBIT(ATTITUDE_MED)	|
-		LOGBIT(GPS)				|
-		LOGBIT(PM)				|
-		LOGBIT(CTUN)			|
-		LOGBIT(NTUN)			|
-		LOGBIT(MODE)			|
-		LOGBIT(RAW)				|
-		LOGBIT(CMD)				|
-		LOGBIT(CURRENT);
-	#undef LOGBIT
-
-	g.log_bitmask.save();
-}
-
 /***************************************************************************/
 // CLI reports
 /***************************************************************************/

ArduCopterMega/system.pde

@@ -217,10 +217,6 @@ void init_ardupilot()
 	// DataFlash log initialization
 	DataFlash.Init();
 
-	// setup the log bitmask
-	if (g.log_bitmask & MASK_LOG_SET_DEFAULTS)
-		default_log_bitmask();
-
 	// If the switch is in 'menu' mode, run the main menu.
 	//
 	// Since we can't be sure that the setup or test mode won't leave