Oops - with new changes to the way the device Configuration Descriptor is retrieved...

[pub/USBasp.git] / LUFA / Drivers / USB / Class / Device / MIDI.h

diff --git a/LUFA/Drivers/USB/Class/Device/MIDI.h b/LUFA/Drivers/USB/Class/Device/MIDI.h
index c7e46ba..c7f7bd9 100644 (file)
--- a/LUFA/Drivers/USB/Class/Device/MIDI.h
+++ b/LUFA/Drivers/USB/Class/Device/MIDI.h
@@ -93,28 +93,31 @@
                         *\r
                         *  \return Boolean true if the endpoints were sucessfully configured, false otherwise\r
                         */\r
-                       bool MIDI_Device_ConfigureEndpoints(USB_ClassInfo_MIDI_Device_t* const MIDIInterfaceInfo);\r
+                       bool MIDI_Device_ConfigureEndpoints(USB_ClassInfo_MIDI_Device_t* const MIDIInterfaceInfo) ATTR_NON_NULL_PTR_ARG(1);\r
                        \r
                        /** Processes incomming control requests from the host, that are directed to the given MIDI class interface. This should be\r
                         *  linked to the library \ref EVENT_USB_Device_UnhandledControlRequest() event.\r
                         *\r
                         *  \param[in,out] MIDIInterfaceInfo  Pointer to a structure containing a MIDI Class configuration and state.\r
                         */             \r
-                       void MIDI_Device_ProcessControlRequest(USB_ClassInfo_MIDI_Device_t* const MIDIInterfaceInfo);\r
+                       void MIDI_Device_ProcessControlRequest(USB_ClassInfo_MIDI_Device_t* const MIDIInterfaceInfo) ATTR_NON_NULL_PTR_ARG(1);\r
 \r
                        /** General management task for a given MIDI class interface, required for the correct operation of the interface. This should\r
                         *  be called frequently in the main program loop, before the master USB management task \ref USB_USBTask().\r
                         *\r
                         *  \param[in,out] MIDIInterfaceInfo  Pointer to a structure containing a MIDI Class configuration and state.\r
                         */\r
-                       void MIDI_Device_USBTask(USB_ClassInfo_MIDI_Device_t* const MIDIInterfaceInfo);\r
+                       void MIDI_Device_USBTask(USB_ClassInfo_MIDI_Device_t* const MIDIInterfaceInfo) ATTR_NON_NULL_PTR_ARG(1);\r
 \r
                        /** Sends a MIDI event packet to the host. If no host is connected, the event packet is discarded.\r
                         *\r
                         *  \param[in,out] MIDIInterfaceInfo  Pointer to a structure containing a MIDI Class configuration and state.\r
                         *  \param[in] Event  Pointer to a populated USB_MIDI_EventPacket_t structure containing the MIDI event to send\r
+                        *\r
+                        *  \return A value from the \ref Endpoint_Stream_RW_ErrorCodes_t enum                   \r
                         */\r
-                       void MIDI_Device_SendEventPacket(USB_ClassInfo_MIDI_Device_t* const MIDIInterfaceInfo, MIDI_EventPacket_t* const Event);\r
+                       uint8_t MIDI_Device_SendEventPacket(USB_ClassInfo_MIDI_Device_t* const MIDIInterfaceInfo,\r
+                                                           MIDI_EventPacket_t* const Event) ATTR_NON_NULL_PTR_ARG(1, 2);\r
 \r
                        /** Receives a MIDI event packet from the host.\r
                         *\r
@@ -123,7 +126,8 @@
                         *\r
                         *  \return Boolean true if a MIDI event packet was received, false otherwise\r
                         */\r
-                       bool MIDI_Device_ReceiveEventPacket(USB_ClassInfo_MIDI_Device_t* const MIDIInterfaceInfo, MIDI_EventPacket_t* const Event);\r
+                       bool MIDI_Device_ReceiveEventPacket(USB_ClassInfo_MIDI_Device_t* const MIDIInterfaceInfo,\r
+                                                           MIDI_EventPacket_t* const Event) ATTR_NON_NULL_PTR_ARG(1, 2);\r
 \r
        /* Disable C linkage for C++ Compilers: */\r
                #if defined(__cplusplus)\r