Added new Relay Controller Board project (thanks to OBinou).

[pub/lufa.git] / LUFA / Drivers / USB / HighLevel / StdDescriptors.h

diff --git a/LUFA/Drivers/USB/HighLevel/StdDescriptors.h b/LUFA/Drivers/USB/HighLevel/StdDescriptors.h
index 404a44f..4090aaa 100644 (file)
--- a/LUFA/Drivers/USB/HighLevel/StdDescriptors.h
+++ b/LUFA/Drivers/USB/HighLevel/StdDescriptors.h
@@ -58,6 +58,11 @@
                        extern "C" {\r
                #endif\r
 \r
+       /* Preprocessor Checks: */\r
+               #if !defined(__INCLUDE_FROM_USB_DRIVER)\r
+                       #error Do not include this file directly. Include LUFA/Drivers/USB/USB.h instead.\r
+               #endif\r
+               \r
        /* Public Interface - May be used in end-application: */\r
                /* Macros: */\r
                        /** Indicates that a given descriptor does not exist in the device. This can be used inside descriptors\r
@@ -81,7 +86,7 @@
                                #define USE_INTERNAL_SERIAL           NO_DESCRIPTOR\r
                        #endif\r
                        \r
-                       /** Macro to calculate the power value for the device descriptor, from a given number of milliamps. */\r
+                       /** Macro to calculate the power value for the configuration descriptor, from a given number of milliamps. */\r
                        #define USB_CONFIG_POWER_MA(mA)           ((mA) >> 1)\r
 \r
                        /** Macro to calculate the Unicode length of a string with a given number of Unicode characters.\r
@@ -119,7 +124,6 @@
                         */\r
                        #define USB_CONFIG_ATTR_BUSPOWERED        0x80\r
 \r
-                       \r
                        /** Can be masked with other configuration descriptor attributes for a \ref USB_Descriptor_Configuration_Header_t\r
                         *  descriptor's ConfigAttributes value to indicate that the specified configuration can draw its power\r
                         *  from the device's own power source.\r