Added new TOTAL_NUM_CONFIGURATIONS option, removed USE_SINGLE_DEVICE_CONFIGURATION...

[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 2640cbb..55e3b82 100644 (file)
--- a/LUFA/Drivers/USB/LowLevel/DevChapter9.h
+++ b/LUFA/Drivers/USB/LowLevel/DevChapter9.h
@@ -48,16 +48,33 @@
                        extern "C" {\r
                #endif\r
 \r
-       /* Public Interface - May be used in end-application: */                        \r
+       /* Public Interface - May be used in end-application: */\r
+               /* Macros: */\r
+                       #if defined(USE_SINGLE_DEVICE_CONFIGURATION)\r
+                               #define TOTAL_NUM_CONFIGURATIONS           1\r
+                       #endif\r
+       \r
+               /* Enums: */\r
+                       #if !defined(USE_FLASH_DESCRIPTORS) && !defined(USE_EEPROM_DESCRIPTORS) && !defined(USE_RAM_DESCRIPTORS)\r
+                               /** Enum for the possible descriptor memory spaces, for the MemoryAddressSpace of the\r
+                                *  \ref CALLBACK_USB_GetDescriptor() function. This can be used when none of the USE_*_DESCRIPTORS\r
+                                *  compile time options are used, to indicate in which memory space the descriptor is stored.\r
+                                *\r
+                                *  \ingroup Group_Device\r
+                                */\r
+                               enum USB_DescriptorMemorySpaces_t\r
+                               {\r
+                                       MEMSPACE_FLASH    = 0, /**< Indicates the requested descriptor is located in FLASH memory */\r
+                                       MEMSPACE_EEPROM   = 1, /**< Indicates the requested descriptor is located in EEPROM memory */\r
+                                       MEMSPACE_RAM      = 2, /**< Indicates the requested descriptor is located in RAM memory */\r
+                               };\r
+                       #endif\r
+       \r
                /* Global Variables: */\r
                        /** Indicates the currently set configuration number of the device. USB devices may have several\r
                         *  different configurations which the host can select between; this indicates the currently selected\r
                         *  value, or 0 if no configuration has been selected.\r
                         *\r
-                        *  If a device has only one single configuration, the token USE_SINGLE_DEVICE_CONFIGURATION may be\r
-                        *  defined in the project makefile and passed to the compiler using the -D switch. This optimize for\r
-                        *  a single configuration, saving a small amount of space in the resulting compiled binary.\r
-                        *\r
                         *  \note This variable should be treated as read-only in the user application, and never manually\r
                         *        changed in value.\r
                         *\r
@@ -87,6 +104,12 @@
        #if !defined(__DOXYGEN__)\r
                #if defined(USE_RAM_DESCRIPTORS) && defined(USE_EEPROM_DESCRIPTORS)\r
                        #error USE_RAM_DESCRIPTORS and USE_EEPROM_DESCRIPTORS are mutually exclusive.\r
+               #elif defined(USE_RAM_DESCRIPTORS) && defined(USE_FLASH_DESCRIPTORS)\r
+                       #error USE_RAM_DESCRIPTORS and USE_FLASH_DESCRIPTORS are mutually exclusive.\r
+               #elif defined(USE_FLASH_DESCRIPTORS) && defined(USE_EEPROM_DESCRIPTORS)\r
+                       #error USE_FLASH_DESCRIPTORS and USE_EEPROM_DESCRIPTORS are mutually exclusive.\r
+               #elif defined(USE_FLASH_DESCRIPTORS) && defined(USE_EEPROM_DESCRIPTORS) && defined(USE_RAM_DESCRIPTORS)\r
+                       #error Only one of the USE_*_DESCRIPTORS modes should be selected.\r
                #endif\r
        \r
                /* Function Prototypes: */\r