Fixed PDI programming mode in the AVRISP programmer project not exiting programming...
[pub/USBasp.git] / LUFA / Drivers / USB / LowLevel / Host.h
index 07ff0fc..ea404f2 100644 (file)
                        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 the fixed USB device address which any attached device is enumerated to when in\r
                         *\r
                         *  \return A value from the \ref USB_Host_SendControlErrorCodes_t enum to indicate the result.\r
                         */\r
-                       uint8_t USB_Host_GetDeviceStringDescriptor(uint8_t Index, void* const Buffer, uint8_t BufferLength);\r
+                       uint8_t USB_Host_GetDeviceStringDescriptor(const uint8_t Index, void* const Buffer, const uint8_t BufferLength);\r
                        \r
                        /** Clears a stall condition on the given pipe, via a ClearFeature request to the attached device.\r
                         *\r
                        /** Enum for the various states of the USB Host state machine. Only some states are\r
                         *  implemented in the LUFA library - other states are left to the user to implement.\r
                         *\r
-                        *  For information on each state, refer to the USB 2.0 specification. Some states have\r
+                        *  For information on each possible USB host state, refer to the USB 2.0 specification.\r
+                        *  Several of the USB host states are broken up further into multiple smaller sub-states,\r
+                        *  so that they can be internally implemented inside the library in an efficient manner.\r
                         *\r
                         *  \see \ref USB_HostState, which stores the current host state machine state.\r
                         */\r
                        void    USB_Host_ProcessNextHostState(void);\r
                        uint8_t USB_Host_WaitMS(uint8_t MS);\r
                        \r
-                       #if defined(INCLUDE_FROM_HOST_C)\r
+                       #if defined(__INCLUDE_FROM_HOST_C)\r
                                static void USB_Host_ResetDevice(void);\r
                        #endif\r
        #endif\r