Fixed broken DFU bootloader, added XPLAIN support for bootloader start when XCK jumpe...
[pub/USBasp.git] / LUFA / Drivers / USB / Class / Device / Audio.h
index caf1fdc..429b899 100644 (file)
@@ -1,21 +1,21 @@
 /*
              LUFA Library
      Copyright (C) Dean Camera, 2010.
 /*
              LUFA Library
      Copyright (C) Dean Camera, 2010.
-              
+
   dean [at] fourwalledcubicle [dot] com
   dean [at] fourwalledcubicle [dot] com
-      www.fourwalledcubicle.com
+           www.lufa-lib.org
 */
 
 /*
   Copyright 2010  Dean Camera (dean [at] fourwalledcubicle [dot] com)
 
 */
 
 /*
   Copyright 2010  Dean Camera (dean [at] fourwalledcubicle [dot] com)
 
-  Permission to use, copy, modify, distribute, and sell this 
+  Permission to use, copy, modify, distribute, and sell this
   software and its documentation for any purpose is hereby granted
   software and its documentation for any purpose is hereby granted
-  without fee, provided that the above copyright notice appear in 
+  without fee, provided that the above copyright notice appear in
   all copies and that both that the copyright notice and this
   all copies and that both that the copyright notice and this
-  permission notice and warranty disclaimer appear in supporting 
-  documentation, and that the name of the author not be used in 
-  advertising or publicity pertaining to distribution of the 
+  permission notice and warranty disclaimer appear in supporting
+  documentation, and that the name of the author not be used in
+  advertising or publicity pertaining to distribution of the
   software without specific, written prior permission.
 
   The author disclaim all warranties with regard to this
   software without specific, written prior permission.
 
   The author disclaim all warranties with regard to this
@@ -33,8 +33,8 @@
  *
  *  Device mode driver for the library USB Audio 1.0 Class driver.
  *
  *
  *  Device mode driver for the library USB Audio 1.0 Class driver.
  *
- *  \note This file should not be included directly. It is automatically included as needed by the class driver
- *        dispatch header located in LUFA/Drivers/USB/Class/Audio.h.
+ *  \note This file should not be included directly. It is automatically included as needed by the USB module driver
+ *        dispatch header located in LUFA/Drivers/USB.h.
  */
 
 /** \ingroup Group_USBClassAudio
  */
 
 /** \ingroup Group_USBClassAudio
@@ -56,7 +56,7 @@
        /* Includes: */
                #include "../../USB.h"
                #include "../Common/Audio.h"
        /* Includes: */
                #include "../../USB.h"
                #include "../Common/Audio.h"
-               
+
                #include <string.h>
 
        /* Enable C linkage for C++ Compilers: */
                #include <string.h>
 
        /* Enable C linkage for C++ Compilers: */
 
        /* Preprocessor Checks: */
                #if !defined(__INCLUDE_FROM_AUDIO_DRIVER)
 
        /* Preprocessor Checks: */
                #if !defined(__INCLUDE_FROM_AUDIO_DRIVER)
-                       #error Do not include this file directly. Include LUFA/Drivers/Class/Audio.h instead.
+                       #error Do not include this file directly. Include LUFA/Drivers/USB.h instead.
+               #endif
+
+               #if defined(__INCLUDE_FROM_AUDIO_DEVICE_C) && defined(NO_STREAM_CALLBACKS)
+                       #error The NO_STREAM_CALLBACKS compile time option cannot be used in projects using the library Class drivers.
                #endif
 
        /* Public Interface - May be used in end-application: */
                #endif
 
        /* Public Interface - May be used in end-application: */
                                                                                                         */
                                        uint16_t DataOUTEndpointSize; /**< Size in bytes of the outgoing Audio Streaming data endpoint, if available
                                                                                                   *   (zero if unused).
                                                                                                         */
                                        uint16_t DataOUTEndpointSize; /**< Size in bytes of the outgoing Audio Streaming data endpoint, if available
                                                                                                   *   (zero if unused).
-                                                                                                  */                   
+                                                                                                  */
                                } Config; /**< Config data for the USB class interface within the device. All elements in this section
                                           *   <b>must</b> be set or the interface will fail to enumerate and operate correctly.
                                           */
                                } Config; /**< Config data for the USB class interface within the device. All elements in this section
                                           *   <b>must</b> be set or the interface will fail to enumerate and operate correctly.
                                           */
                                                                                                */
                                } State; /**< State data for the USB class interface within the device. All elements in this section
                                          *   are reset to their defaults when the interface is enumerated.
                                                                                                */
                                } State; /**< State data for the USB class interface within the device. All elements in this section
                                          *   are reset to their defaults when the interface is enumerated.
-                                         */                            
+                                         */
                        } USB_ClassInfo_Audio_Device_t;
                        } USB_ClassInfo_Audio_Device_t;
-               
+
                /* Function Prototypes: */
                        /** Configures the endpoints of a given Audio interface, ready for use. This should be linked to the library
                         *  \ref EVENT_USB_Device_ConfigurationChanged() event so that the endpoints are configured when the configuration containing the
                         *  given Audio interface is selected.
                         *
                /* Function Prototypes: */
                        /** Configures the endpoints of a given Audio interface, ready for use. This should be linked to the library
                         *  \ref EVENT_USB_Device_ConfigurationChanged() event so that the endpoints are configured when the configuration containing the
                         *  given Audio interface is selected.
                         *
+                        *  \note The endpoint index numbers as given in the interface's configuration structure must not overlap with any other
+                        *        interface, or endpoint bank corruption will occur. Gaps in the allocated endpoint numbers or non-sequential indexes
+                        *        within a single interface is allowed, but no two interfaces of any type have have interleaved endpoint indexes.
+                        *
                         *  \param[in,out] AudioInterfaceInfo  Pointer to a structure containing an Audio Class configuration and state.
                         *
                         *  \return Boolean true if the endpoints were successfully configured, false otherwise.
                         *  \param[in,out] AudioInterfaceInfo  Pointer to a structure containing an Audio Class configuration and state.
                         *
                         *  \return Boolean true if the endpoints were successfully configured, false otherwise.
                        bool Audio_Device_ConfigureEndpoints(USB_ClassInfo_Audio_Device_t* const AudioInterfaceInfo) ATTR_NON_NULL_PTR_ARG(1);
 
                        /** Processes incoming control requests from the host, that are directed to the given Audio class interface. This should be
                        bool Audio_Device_ConfigureEndpoints(USB_ClassInfo_Audio_Device_t* const AudioInterfaceInfo) ATTR_NON_NULL_PTR_ARG(1);
 
                        /** Processes incoming control requests from the host, that are directed to the given Audio class interface. This should be
-                        *  linked to the library \ref EVENT_USB_Device_UnhandledControlRequest() event.
+                        *  linked to the library \ref EVENT_USB_Device_ControlRequest() event.
                         *
                         *  \param[in,out] AudioInterfaceInfo  Pointer to a structure containing an Audio Class configuration and state.
                         */
                        void Audio_Device_ProcessControlRequest(USB_ClassInfo_Audio_Device_t* const AudioInterfaceInfo) ATTR_NON_NULL_PTR_ARG(1);
                         *
                         *  \param[in,out] AudioInterfaceInfo  Pointer to a structure containing an Audio Class configuration and state.
                         */
                        void Audio_Device_ProcessControlRequest(USB_ClassInfo_Audio_Device_t* const AudioInterfaceInfo) ATTR_NON_NULL_PTR_ARG(1);
-                       
-               /* Inline Functions: */         
+
+               /* Inline Functions: */
                        /** General management task for a given Audio class interface, required for the correct operation of the interface. This should
                         *  be called frequently in the main program loop, before the master USB management task \ref USB_USBTask().
                         *
                        /** General management task for a given Audio class interface, required for the correct operation of the interface. This should
                         *  be called frequently in the main program loop, before the master USB management task \ref USB_USBTask().
                         *
                        /** Determines if the given audio interface is ready for a sample to be read from it, and selects the streaming
                         *  OUT endpoint ready for reading.
                         *
                        /** Determines if the given audio interface is ready for a sample to be read from it, and selects the streaming
                         *  OUT endpoint ready for reading.
                         *
-                        *  \pre This function must only be called when the Device state machine is in the DEVICE_STATE_Configured state or
+                        *  \pre This function must only be called when the Device state machine is in the \ref DEVICE_STATE_Configured state or
                         *       the call will fail.
                         *
                         *  \param[in,out] AudioInterfaceInfo  Pointer to a structure containing an Audio Class configuration and state.
                         *       the call will fail.
                         *
                         *  \param[in,out] AudioInterfaceInfo  Pointer to a structure containing an Audio Class configuration and state.
                        {
                                if ((USB_DeviceState != DEVICE_STATE_Configured) || !(AudioInterfaceInfo->State.InterfaceEnabled))
                                  return false;
                        {
                                if ((USB_DeviceState != DEVICE_STATE_Configured) || !(AudioInterfaceInfo->State.InterfaceEnabled))
                                  return false;
-                               
-                               Endpoint_SelectEndpoint(AudioInterfaceInfo->Config.DataOUTEndpointNumber);      
+
+                               Endpoint_SelectEndpoint(AudioInterfaceInfo->Config.DataOUTEndpointNumber);
                                return Endpoint_IsOUTReceived();
                        }
 
                        /** Determines if the given audio interface is ready to accept the next sample to be written to it, and selects
                         *  the streaming IN endpoint ready for writing.
                         *
                                return Endpoint_IsOUTReceived();
                        }
 
                        /** Determines if the given audio interface is ready to accept the next sample to be written to it, and selects
                         *  the streaming IN endpoint ready for writing.
                         *
-                        *  \pre This function must only be called when the Device state machine is in the DEVICE_STATE_Configured state or
+                        *  \pre This function must only be called when the Device state machine is in the \ref DEVICE_STATE_Configured state or
                         *       the call will fail.
                         *
                         *  \param[in,out] AudioInterfaceInfo  Pointer to a structure containing an Audio Class configuration and state.
                         *       the call will fail.
                         *
                         *  \param[in,out] AudioInterfaceInfo  Pointer to a structure containing an Audio Class configuration and state.
                        {
                                if ((USB_DeviceState != DEVICE_STATE_Configured) || !(AudioInterfaceInfo->State.InterfaceEnabled))
                                  return false;
                        {
                                if ((USB_DeviceState != DEVICE_STATE_Configured) || !(AudioInterfaceInfo->State.InterfaceEnabled))
                                  return false;
-                               
+
                                Endpoint_SelectEndpoint(AudioInterfaceInfo->Config.DataINEndpointNumber);
                                return Endpoint_IsINReady();
                        }
                                Endpoint_SelectEndpoint(AudioInterfaceInfo->Config.DataINEndpointNumber);
                                return Endpoint_IsINReady();
                        }
                        static inline int8_t Audio_Device_ReadSample8(USB_ClassInfo_Audio_Device_t* const AudioInterfaceInfo)
                        {
                                int8_t Sample;
                        static inline int8_t Audio_Device_ReadSample8(USB_ClassInfo_Audio_Device_t* const AudioInterfaceInfo)
                        {
                                int8_t Sample;
-                               
+
                                (void)AudioInterfaceInfo;
 
                                Sample = Endpoint_Read_Byte();
 
                                if (!(Endpoint_BytesInEndpoint()))
                                  Endpoint_ClearOUT();
                                (void)AudioInterfaceInfo;
 
                                Sample = Endpoint_Read_Byte();
 
                                if (!(Endpoint_BytesInEndpoint()))
                                  Endpoint_ClearOUT();
-                               
+
                                return Sample;
                        }
 
                                return Sample;
                        }
 
                                (void)AudioInterfaceInfo;
 
                                Sample = (int16_t)Endpoint_Read_Word_LE();
                                (void)AudioInterfaceInfo;
 
                                Sample = (int16_t)Endpoint_Read_Word_LE();
-                                         
+
                                if (!(Endpoint_BytesInEndpoint()))
                                  Endpoint_ClearOUT();
 
                                if (!(Endpoint_BytesInEndpoint()))
                                  Endpoint_ClearOUT();
 
                                (void)AudioInterfaceInfo;
 
                                Sample = (((uint32_t)Endpoint_Read_Byte() << 16) | Endpoint_Read_Word_LE());
                                (void)AudioInterfaceInfo;
 
                                Sample = (((uint32_t)Endpoint_Read_Byte() << 16) | Endpoint_Read_Word_LE());
-                                         
+
                                if (!(Endpoint_BytesInEndpoint()))
                                  Endpoint_ClearOUT();
 
                                if (!(Endpoint_BytesInEndpoint()))
                                  Endpoint_ClearOUT();
 
                #if defined(__cplusplus)
                        }
                #endif
                #if defined(__cplusplus)
                        }
                #endif
-               
+
 #endif
 
 /** @} */
 #endif
 
 /** @} */
+