ArduCopter Logging: DISABLED means DISABLED again; CONFIG_LOGGING added

CONFIG_LOGGING selects LOGGING_SIMPLE and LOGGING_VERBOSE. Verbose
logging is the default, implemented in Log.pde. Simple logging is
optional, but the default for the 1280 build, implemented in
Log_simple.pde

ArduCopter/Log.pde

@@ -1,6 +1,6 @@
 // -*- tab-width: 4; Mode: C++; c-basic-offset: 4; indent-tabs-mode: nil -*-
 
-#if LOGGING_ENABLED == ENABLED
+#if LOGGING_ENABLED == ENABLED && CONFIG_LOGGING == LOGGING_VERBOSE
 
 // Code to Write and Read packets from DataFlash log memory
 // Code to interact with the user to dump or erase logs
@@ -1119,3 +1119,29 @@ static int Log_Read_Process(int start_page, int end_page)
 }
 
 #endif // LOGGING_ENABLED
+
+#if LOGGING_ENABLED == DISABLED
+
+static void Log_Write_Startup() {}
+static void Log_Read_Startup() {}
+static void Log_Read(int start_page, int end_page) {}
+static void Log_Write_Cmd(byte num, struct Location *wp) {}
+static void Log_Write_Mode(byte mode) {}
+static void start_new_log() {}
+static void Log_Write_Raw() {}
+static void Log_Write_GPS() {}
+static void Log_Write_Current() {}
+static void Log_Write_Attitude() {}
+static void Log_Write_Data(int8_t _type, float _data){}
+static void Log_Write_Data(int8_t _type, int32_t _data){}
+#ifdef OPTFLOW_ENABLED
+static void Log_Write_Optflow() {}
+#endif
+static void Log_Write_Nav_Tuning() {}
+static void Log_Write_Control_Tuning() {}
+static void Log_Write_Motors() {}
+static void Log_Write_Performance() {}
+static int8_t process_logs(uint8_t argc, const Menu::arg *argv) { return 0; }
+static void do_erase_logs(void (*delay_cb)(unsigned long)) {}
+
+#endif

ArduCopter/Log_simple.pde

@@ -1,6 +1,6 @@
 // -*- tab-width: 4; Mode: C++; c-basic-offset: 4; indent-tabs-mode: nil -*-
 
-#if LOGGING_ENABLED == DISABLED
+#if LOGGING_ENABLED == ENABLED && CONFIG_LOGGING == LOGGING_SIMPLE
 
 // Code to Write and Read packets from DataFlash log memory
 // Code to interact with the user to dump or erase logs

ArduCopter/config.h

@@ -673,21 +673,21 @@
 // Dataflash logging control
 //
 
-// Logging must be disabled for 1280 build.
 #if defined( __AVR_ATmega1280__ )
-# if LOGGING_ENABLED == ENABLED
-// If logging was enabled in APM_Config or command line, warn the user.
-#  warning "Logging is not supported on ATmega1280"
-#  undef LOGGING_ENABLED
+# ifndef CONFIG_LOGGING
+#  define CONFIG_LOGGING LOGGING_SIMPLE
+# elif CONFIG_LOGGING != LOGGING_SIMPLE
+#  warning "Simple Logging is the only officially supported mode on mega 1280"
 # endif
-# ifndef LOGGING_ENABLED
-#  define LOGGING_ENABLED    DISABLED
-# endif
-#elif !defined(LOGGING_ENABLED)
-// Logging is enabled by default for all other builds.
-# define LOGGING_ENABLED		ENABLED
 #endif
 
+#ifndef CONFIG_LOGGING
+# define CONFIG_LOGGING LOGGING_VERBOSE
+#endif
+
+#ifndef LOGGING_ENABLED
+# define LOGGING_ENABLED ENABLED
+#endif
 
 #ifndef LOG_ATTITUDE_FAST
 # define LOG_ATTITUDE_FAST		DISABLED

ArduCopter/defines.h

@@ -358,4 +358,7 @@ enum gcs_severity {
 #define AP_BARO_BMP085    1
 #define AP_BARO_MS5611    2
 
+#define LOGGING_SIMPLE    1
+#define LOGGING_VERBOSE   2
+
 #endif // _DEFINES_H