Added new NO_DEVICE_SELF_POWER and NO_DEVICE_REMOTE_WAKEUP compile time options.

[pub/USBasp.git] / LUFA / Drivers / USB / LowLevel / DevChapter9.h

diff --git a/LUFA/Drivers/USB/LowLevel/DevChapter9.h b/LUFA/Drivers/USB/LowLevel/DevChapter9.h
index e6baca2..8b64982 100644 (file)
--- a/LUFA/Drivers/USB/LowLevel/DevChapter9.h
+++ b/LUFA/Drivers/USB/LowLevel/DevChapter9.h
@@ -82,23 +82,32 @@
                         */\r
                        extern uint8_t USB_ConfigurationNumber;\r
                        \r
-                       /** Indicates if the host is currently allowing the device to issue remote wakeup events. If this\r
-                        *  flag is cleared, the device should not issue remote wakeup events to the host.\r
-                        *\r
-                        *  \note This variable should be treated as read-only in the user application, and never manually\r
-                        *        changed in value.\r
-                        *\r
-                        *  \ingroup Group_Device\r
-                        */\r
-                       extern bool USB_RemoteWakeupEnabled;\r
+                       #if !defined(NO_DEVICE_REMOTE_WAKEUP)\r
+                               /** Indicates if the host is currently allowing the device to issue remote wakeup events. If this\r
+                                *  flag is cleared, the device should not issue remote wakeup events to the host.\r
+                                *\r
+                                *  \note This variable should be treated as read-only in the user application, and never manually\r
+                                *        changed in value.\r
+                                *\r
+                                *  \note To reduce FLASH usage of the compiled applications where Remote Wakeup is not supported,\r
+                                *        this global and the underlying management code can be disabled by defining the \r
+                                *        NO_DEVICE_REMOTE_WAKEUP token in the project makefile and passing it to the compiler via\r
+                                *        the -D switch.\r
+                                *\r
+                                *  \ingroup Group_Device\r
+                                */\r
+                               extern bool USB_RemoteWakeupEnabled;\r
+                       #endif\r
                        \r
-                       /** Indicates if the device is currently being powered by its own power supply, rather than being\r
-                        *  powered by the host's USB supply. This flag should remain cleared if the device does not\r
-                        *  support self powered mode, as indicated in the device descriptors.\r
-                        *\r
-                        *  \ingroup Group_Device\r
-                        */\r
-                       extern bool USB_CurrentlySelfPowered;\r
+                       #if !defined(NO_DEVICE_SELF_POWER)\r
+                               /** Indicates if the device is currently being powered by its own power supply, rather than being\r
+                                *  powered by the host's USB supply. This flag should remain cleared if the device does not\r
+                                *  support self powered mode, as indicated in the device descriptors.\r
+                                *\r
+                                *  \ingroup Group_Device\r
+                                */\r
+                               extern bool USB_CurrentlySelfPowered;\r
+                       #endif\r
        \r
        /* Private Interface - For use in library only: */\r
        #if !defined(__DOXYGEN__)\r