Rename PDIProtocol.c/.h to XPROGProtocol.c/.h as it will now handle both TPI and...

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

diff --git a/LUFA/Drivers/USB/LowLevel/Host.h b/LUFA/Drivers/USB/LowLevel/Host.h
index a602cee..0a07002 100644 (file)
--- a/LUFA/Drivers/USB/LowLevel/Host.h
+++ b/LUFA/Drivers/USB/LowLevel/Host.h
@@ -201,6 +201,22 @@
                         */\r
                        uint8_t USB_Host_GetDeviceDescriptor(void* const DeviceDescriptorPtr);\r
                        \r
+                       /** Convenience function. This routine sends a GetDescriptor standard request to the attached\r
+                        *  device, requesting the string descriptor of the specified index. This can be used to easily\r
+                        *  retrieve string descriptors from the device by index, after the index is obtained from the\r
+                        *  Device or Configuration descriptors.\r
+                        *\r
+                        *  \note After this routine returns, the control pipe will be selected.\r
+                        *\r
+                        *  \param[in] Index  Index of the string index to retrieve\r
+                        *  \param[out] Buffer  Pointer to the destination buffer where the retrieved string decriptor is\r
+                        *                      to be stored\r
+                        *  \param[in] BufferLength  Maximum size of the string descriptor which can be stored into the buffer\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
+                       \r
                        /** Clears a stall condition on the given pipe, via a ClearFeature request to the attached device.\r
                         *\r
                         *  \note After this routine returns, the control pipe will be selected.\r
@@ -312,7 +328,7 @@
                                                                               */\r
                        };\r
                        \r
-                       /** Enum for the error codes for the \ref EVENT_USB_HostError() event.\r
+                       /** Enum for the error codes for the \ref EVENT_USB_Host_HostError() event.\r
                         *\r
                         *  \see \ref Group_Events for more information on this event.\r
                         */\r
@@ -326,14 +342,14 @@
                                                                      */\r
                        };\r
                        \r
-                       /** Enum for the error codes for the \ref EVENT_USB_DeviceEnumerationFailed() event.\r
+                       /** Enum for the error codes for the \ref EVENT_USB_Host_DeviceEnumerationFailed() event.\r
                         *\r
                         *  \see \ref Group_Events for more information on this event.\r
                         */\r
                        enum USB_Host_EnumerationErrorCodes_t\r
                        {\r
                                HOST_ENUMERROR_NoError          = 0, /**< No error occurred. Used internally, this is not a valid\r
-                                                                     *   ErrorCode parameter value for the \ref EVENT_USB_DeviceEnumerationFailed()\r
+                                                                     *   ErrorCode parameter value for the \ref EVENT_USB_Host_DeviceEnumerationFailed()\r
                                                                      *   event.\r
                                                                      */\r
                                HOST_ENUMERROR_WaitStage        = 1, /**< One of the delays between enumeration steps failed\r
@@ -366,7 +382,7 @@
                        #define USB_Host_VBUS_Auto_Off()        MACROS{ OTGCON |=  (1 << VBUSRQC);        }MACROE\r
                        #define USB_Host_VBUS_Manual_Off()      MACROS{ PORTE  &= ~(1 << 7);              }MACROE\r
 \r
-                       #define USB_Host_SetDeviceAddress(addr) MACROS{ UHADDR  =  (addr & 0x7F);         }MACROE\r
+                       #define USB_Host_SetDeviceAddress(addr) MACROS{ UHADDR  =  ((addr) & 0x7F);       }MACROE\r
 \r
                /* Enums: */\r
                        enum USB_Host_WaitMSErrorCodes_t\r