423 lines
12 KiB
C
423 lines
12 KiB
C
|
/*
|
||
|
|
LUFA Library
|
||
|
|
Copyright (C) Dean Camera, 2017.
|
||
|
|
|
||
|
|
dean [at] fourwalledcubicle [dot] com
|
||
|
|
www.lufa-lib.org
|
||
|
|
*/
|
||
|
|
|
||
|
|
/*
|
||
|
|
Copyright 2017 Dean Camera (dean [at] fourwalledcubicle [dot] com)
|
||
|
|
|
||
|
|
Permission to use, copy, modify, distribute, and sell this
|
||
|
|
software and its documentation for any purpose is hereby granted
|
||
|
|
without fee, provided that the above copyright notice appear in
|
||
|
|
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
|
||
|
|
software without specific, written prior permission.
|
||
|
|
|
||
|
|
The author disclaims all warranties with regard to this
|
||
|
|
software, including all implied warranties of merchantability
|
||
|
|
and fitness. In no event shall the author be liable for any
|
||
|
|
special, indirect or consequential damages or any damages
|
||
|
|
whatsoever resulting from loss of use, data or profits, whether
|
||
|
|
in an action of contract, negligence or other tortious action,
|
||
|
|
arising out of or in connection with the use or performance of
|
||
|
|
this software.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#define __INCLUDE_FROM_USB_DRIVER
|
||
|
|
#include "../../Core/USBMode.h"
|
||
|
|
|
||
|
|
#if defined(USB_CAN_BE_HOST)
|
||
|
|
|
||
|
|
#define __INCLUDE_FROM_AOA_DRIVER
|
||
|
|
#define __INCLUDE_FROM_ANDROIDACCESSORY_HOST_C
|
||
|
|
#include "AndroidAccessoryClassHost.h"
|
||
|
|
|
||
|
|
bool AOA_Host_ValidateAccessoryDevice(USB_ClassInfo_AOA_Host_t* const AOAInterfaceInfo,
|
||
|
|
const USB_Descriptor_Device_t* const DeviceDescriptor,
|
||
|
|
bool* const NeedModeSwitch)
|
||
|
|
{
|
||
|
|
(void)AOAInterfaceInfo;
|
||
|
|
|
||
|
|
if (DeviceDescriptor->Header.Type != DTYPE_Device)
|
||
|
|
return false;
|
||
|
|
|
||
|
|
*NeedModeSwitch = ((DeviceDescriptor->ProductID != ANDROID_ACCESSORY_PRODUCT_ID) &&
|
||
|
|
(DeviceDescriptor->ProductID != ANDROID_ACCESSORY_ADB_PRODUCT_ID));
|
||
|
|
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
|
||
|
|
uint8_t AOA_Host_ConfigurePipes(USB_ClassInfo_AOA_Host_t* const AOAInterfaceInfo,
|
||
|
|
uint16_t ConfigDescriptorSize,
|
||
|
|
void* ConfigDescriptorData)
|
||
|
|
{
|
||
|
|
USB_Descriptor_Endpoint_t* DataINEndpoint = NULL;
|
||
|
|
USB_Descriptor_Endpoint_t* DataOUTEndpoint = NULL;
|
||
|
|
USB_Descriptor_Interface_t* AOAInterface = NULL;
|
||
|
|
|
||
|
|
memset(&AOAInterfaceInfo->State, 0x00, sizeof(AOAInterfaceInfo->State));
|
||
|
|
|
||
|
|
if (DESCRIPTOR_TYPE(ConfigDescriptorData) != DTYPE_Configuration)
|
||
|
|
return AOA_ENUMERROR_InvalidConfigDescriptor;
|
||
|
|
|
||
|
|
if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData,
|
||
|
|
DCOMP_AOA_Host_NextAndroidAccessoryInterface) != DESCRIPTOR_SEARCH_COMP_Found)
|
||
|
|
{
|
||
|
|
return AOA_ENUMERROR_NoCompatibleInterfaceFound;
|
||
|
|
}
|
||
|
|
|
||
|
|
AOAInterface = DESCRIPTOR_PCAST(ConfigDescriptorData, USB_Descriptor_Interface_t);
|
||
|
|
|
||
|
|
while (!(DataINEndpoint) || !(DataOUTEndpoint))
|
||
|
|
{
|
||
|
|
if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData,
|
||
|
|
DCOMP_AOA_Host_NextInterfaceBulkEndpoint) != DESCRIPTOR_SEARCH_COMP_Found)
|
||
|
|
{
|
||
|
|
return AOA_ENUMERROR_NoCompatibleInterfaceFound;
|
||
|
|
}
|
||
|
|
|
||
|
|
USB_Descriptor_Endpoint_t* EndpointData = DESCRIPTOR_PCAST(ConfigDescriptorData, USB_Descriptor_Endpoint_t);
|
||
|
|
|
||
|
|
if ((EndpointData->EndpointAddress & ENDPOINT_DIR_MASK) == ENDPOINT_DIR_IN)
|
||
|
|
DataINEndpoint = EndpointData;
|
||
|
|
else
|
||
|
|
DataOUTEndpoint = EndpointData;
|
||
|
|
}
|
||
|
|
|
||
|
|
AOAInterfaceInfo->Config.DataINPipe.Size = le16_to_cpu(DataINEndpoint->EndpointSize);
|
||
|
|
AOAInterfaceInfo->Config.DataINPipe.EndpointAddress = DataINEndpoint->EndpointAddress;
|
||
|
|
AOAInterfaceInfo->Config.DataINPipe.Type = EP_TYPE_BULK;
|
||
|
|
|
||
|
|
AOAInterfaceInfo->Config.DataOUTPipe.Size = le16_to_cpu(DataOUTEndpoint->EndpointSize);
|
||
|
|
AOAInterfaceInfo->Config.DataOUTPipe.EndpointAddress = DataOUTEndpoint->EndpointAddress;
|
||
|
|
AOAInterfaceInfo->Config.DataOUTPipe.Type = EP_TYPE_BULK;
|
||
|
|
|
||
|
|
if (!(Pipe_ConfigurePipeTable(&AOAInterfaceInfo->Config.DataINPipe, 1)))
|
||
|
|
return AOA_ENUMERROR_PipeConfigurationFailed;
|
||
|
|
|
||
|
|
if (!(Pipe_ConfigurePipeTable(&AOAInterfaceInfo->Config.DataOUTPipe, 1)))
|
||
|
|
return AOA_ENUMERROR_PipeConfigurationFailed;
|
||
|
|
|
||
|
|
AOAInterfaceInfo->State.IsActive = true;
|
||
|
|
AOAInterfaceInfo->State.InterfaceNumber = AOAInterface->InterfaceNumber;
|
||
|
|
|
||
|
|
return AOA_ENUMERROR_NoError;
|
||
|
|
}
|
||
|
|
|
||
|
|
static uint8_t DCOMP_AOA_Host_NextAndroidAccessoryInterface(void* const CurrentDescriptor)
|
||
|
|
{
|
||
|
|
USB_Descriptor_Header_t* Header = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Header_t);
|
||
|
|
|
||
|
|
if (Header->Type == DTYPE_Interface)
|
||
|
|
{
|
||
|
|
USB_Descriptor_Interface_t* Interface = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Interface_t);
|
||
|
|
|
||
|
|
if ((Interface->Class == AOA_CSCP_AOADataClass) &&
|
||
|
|
(Interface->SubClass == AOA_CSCP_AOADataSubclass) &&
|
||
|
|
(Interface->Protocol == AOA_CSCP_AOADataProtocol))
|
||
|
|
{
|
||
|
|
return DESCRIPTOR_SEARCH_Found;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return DESCRIPTOR_SEARCH_NotFound;
|
||
|
|
}
|
||
|
|
|
||
|
|
static uint8_t DCOMP_AOA_Host_NextInterfaceBulkEndpoint(void* const CurrentDescriptor)
|
||
|
|
{
|
||
|
|
USB_Descriptor_Header_t* Header = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Header_t);
|
||
|
|
|
||
|
|
if (Header->Type == DTYPE_Endpoint)
|
||
|
|
{
|
||
|
|
USB_Descriptor_Endpoint_t* Endpoint = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Endpoint_t);
|
||
|
|
|
||
|
|
uint8_t EndpointType = (Endpoint->Attributes & EP_TYPE_MASK);
|
||
|
|
|
||
|
|
if ((EndpointType == EP_TYPE_BULK) && (!(Pipe_IsEndpointBound(Endpoint->EndpointAddress))))
|
||
|
|
return DESCRIPTOR_SEARCH_Found;
|
||
|
|
}
|
||
|
|
else if (Header->Type == DTYPE_Interface)
|
||
|
|
{
|
||
|
|
return DESCRIPTOR_SEARCH_Fail;
|
||
|
|
}
|
||
|
|
|
||
|
|
return DESCRIPTOR_SEARCH_NotFound;
|
||
|
|
}
|
||
|
|
|
||
|
|
void AOA_Host_USBTask(USB_ClassInfo_AOA_Host_t* const AOAInterfaceInfo)
|
||
|
|
{
|
||
|
|
if ((USB_HostState != HOST_STATE_Configured) || !(AOAInterfaceInfo->State.IsActive))
|
||
|
|
return;
|
||
|
|
|
||
|
|
#if !defined(NO_CLASS_DRIVER_AUTOFLUSH)
|
||
|
|
AOA_Host_Flush(AOAInterfaceInfo);
|
||
|
|
#endif
|
||
|
|
}
|
||
|
|
|
||
|
|
uint8_t AOA_Host_StartAccessoryMode(USB_ClassInfo_AOA_Host_t* const AOAInterfaceInfo)
|
||
|
|
{
|
||
|
|
uint8_t ErrorCode;
|
||
|
|
|
||
|
|
uint16_t AccessoryProtocol;
|
||
|
|
if ((ErrorCode = AOA_Host_GetAccessoryProtocol(&AccessoryProtocol)) != HOST_WAITERROR_Successful)
|
||
|
|
return ErrorCode;
|
||
|
|
|
||
|
|
if ((AccessoryProtocol != CPU_TO_LE16(AOA_PROTOCOL_AccessoryV1)) && (AccessoryProtocol != CPU_TO_LE16(AOA_PROTOCOL_AccessoryV2)))
|
||
|
|
return AOA_ERROR_LOGICAL_CMD_FAILED;
|
||
|
|
|
||
|
|
for (uint8_t PropertyIndex = 0; PropertyIndex < AOA_STRING_TOTAL_STRINGS; PropertyIndex++)
|
||
|
|
{
|
||
|
|
if ((ErrorCode = AOA_Host_SendPropertyString(AOAInterfaceInfo, PropertyIndex)) != HOST_WAITERROR_Successful)
|
||
|
|
return ErrorCode;
|
||
|
|
}
|
||
|
|
|
||
|
|
USB_ControlRequest = (USB_Request_Header_t)
|
||
|
|
{
|
||
|
|
.bmRequestType = (REQDIR_HOSTTODEVICE | REQTYPE_VENDOR | REQREC_DEVICE),
|
||
|
|
.bRequest = AOA_REQ_StartAccessoryMode,
|
||
|
|
.wValue = 0,
|
||
|
|
.wIndex = 0,
|
||
|
|
.wLength = 0,
|
||
|
|
};
|
||
|
|
|
||
|
|
Pipe_SelectPipe(PIPE_CONTROLPIPE);
|
||
|
|
return USB_Host_SendControlRequest(NULL);
|
||
|
|
}
|
||
|
|
|
||
|
|
static uint8_t AOA_Host_GetAccessoryProtocol(uint16_t* const Protocol)
|
||
|
|
{
|
||
|
|
USB_ControlRequest = (USB_Request_Header_t)
|
||
|
|
{
|
||
|
|
.bmRequestType = (REQDIR_DEVICETOHOST | REQTYPE_VENDOR | REQREC_DEVICE),
|
||
|
|
.bRequest = AOA_REQ_GetAccessoryProtocol,
|
||
|
|
.wValue = 0,
|
||
|
|
.wIndex = 0,
|
||
|
|
.wLength = sizeof(uint16_t),
|
||
|
|
};
|
||
|
|
|
||
|
|
Pipe_SelectPipe(PIPE_CONTROLPIPE);
|
||
|
|
return USB_Host_SendControlRequest(Protocol);
|
||
|
|
}
|
||
|
|
|
||
|
|
static uint8_t AOA_Host_SendPropertyString(USB_ClassInfo_AOA_Host_t* const AOAInterfaceInfo,
|
||
|
|
const uint8_t StringIndex)
|
||
|
|
{
|
||
|
|
const char* String = AOAInterfaceInfo->Config.PropertyStrings[StringIndex];
|
||
|
|
|
||
|
|
if (String == NULL)
|
||
|
|
String = "";
|
||
|
|
|
||
|
|
USB_ControlRequest = (USB_Request_Header_t)
|
||
|
|
{
|
||
|
|
.bmRequestType = (REQDIR_HOSTTODEVICE | REQTYPE_VENDOR | REQREC_DEVICE),
|
||
|
|
.bRequest = AOA_REQ_SendString,
|
||
|
|
.wValue = 0,
|
||
|
|
.wIndex = StringIndex,
|
||
|
|
.wLength = (strlen(String) + 1),
|
||
|
|
};
|
||
|
|
|
||
|
|
Pipe_SelectPipe(PIPE_CONTROLPIPE);
|
||
|
|
return USB_Host_SendControlRequest((char*)String);
|
||
|
|
}
|
||
|
|
|
||
|
|
uint8_t AOA_Host_SendData(USB_ClassInfo_AOA_Host_t* const AOAInterfaceInfo,
|
||
|
|
const void* const Buffer,
|
||
|
|
const uint16_t Length)
|
||
|
|
{
|
||
|
|
if ((USB_HostState != HOST_STATE_Configured) || !(AOAInterfaceInfo->State.IsActive))
|
||
|
|
return PIPE_READYWAIT_DeviceDisconnected;
|
||
|
|
|
||
|
|
uint8_t ErrorCode;
|
||
|
|
|
||
|
|
Pipe_SelectPipe(AOAInterfaceInfo->Config.DataOUTPipe.Address);
|
||
|
|
|
||
|
|
Pipe_Unfreeze();
|
||
|
|
ErrorCode = Pipe_Write_Stream_LE(Buffer, Length, NULL);
|
||
|
|
Pipe_Freeze();
|
||
|
|
|
||
|
|
return ErrorCode;
|
||
|
|
}
|
||
|
|
|
||
|
|
uint8_t AOA_Host_SendString(USB_ClassInfo_AOA_Host_t* const AOAInterfaceInfo,
|
||
|
|
const char* const String)
|
||
|
|
{
|
||
|
|
if ((USB_HostState != HOST_STATE_Configured) || !(AOAInterfaceInfo->State.IsActive))
|
||
|
|
return PIPE_READYWAIT_DeviceDisconnected;
|
||
|
|
|
||
|
|
uint8_t ErrorCode;
|
||
|
|
|
||
|
|
Pipe_SelectPipe(AOAInterfaceInfo->Config.DataOUTPipe.Address);
|
||
|
|
|
||
|
|
Pipe_Unfreeze();
|
||
|
|
ErrorCode = Pipe_Write_Stream_LE(String, strlen(String), NULL);
|
||
|
|
Pipe_Freeze();
|
||
|
|
|
||
|
|
return ErrorCode;
|
||
|
|
}
|
||
|
|
|
||
|
|
uint8_t AOA_Host_SendByte(USB_ClassInfo_AOA_Host_t* const AOAInterfaceInfo,
|
||
|
|
const uint8_t Data)
|
||
|
|
{
|
||
|
|
if ((USB_HostState != HOST_STATE_Configured) || !(AOAInterfaceInfo->State.IsActive))
|
||
|
|
return PIPE_READYWAIT_DeviceDisconnected;
|
||
|
|
|
||
|
|
uint8_t ErrorCode;
|
||
|
|
|
||
|
|
Pipe_SelectPipe(AOAInterfaceInfo->Config.DataOUTPipe.Address);
|
||
|
|
Pipe_Unfreeze();
|
||
|
|
|
||
|
|
if (!(Pipe_IsReadWriteAllowed()))
|
||
|
|
{
|
||
|
|
Pipe_ClearOUT();
|
||
|
|
|
||
|
|
if ((ErrorCode = Pipe_WaitUntilReady()) != PIPE_READYWAIT_NoError)
|
||
|
|
return ErrorCode;
|
||
|
|
}
|
||
|
|
|
||
|
|
Pipe_Write_8(Data);
|
||
|
|
Pipe_Freeze();
|
||
|
|
|
||
|
|
return PIPE_READYWAIT_NoError;
|
||
|
|
}
|
||
|
|
|
||
|
|
uint16_t AOA_Host_BytesReceived(USB_ClassInfo_AOA_Host_t* const AOAInterfaceInfo)
|
||
|
|
{
|
||
|
|
if ((USB_HostState != HOST_STATE_Configured) || !(AOAInterfaceInfo->State.IsActive))
|
||
|
|
return 0;
|
||
|
|
|
||
|
|
Pipe_SelectPipe(AOAInterfaceInfo->Config.DataINPipe.Address);
|
||
|
|
Pipe_Unfreeze();
|
||
|
|
|
||
|
|
if (Pipe_IsINReceived())
|
||
|
|
{
|
||
|
|
if (!(Pipe_BytesInPipe()))
|
||
|
|
{
|
||
|
|
Pipe_ClearIN();
|
||
|
|
Pipe_Freeze();
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
Pipe_Freeze();
|
||
|
|
return Pipe_BytesInPipe();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
Pipe_Freeze();
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
int16_t AOA_Host_ReceiveByte(USB_ClassInfo_AOA_Host_t* const AOAInterfaceInfo)
|
||
|
|
{
|
||
|
|
if ((USB_HostState != HOST_STATE_Configured) || !(AOAInterfaceInfo->State.IsActive))
|
||
|
|
return -1;
|
||
|
|
|
||
|
|
int16_t ReceivedByte = -1;
|
||
|
|
|
||
|
|
Pipe_SelectPipe(AOAInterfaceInfo->Config.DataINPipe.Address);
|
||
|
|
Pipe_Unfreeze();
|
||
|
|
|
||
|
|
if (Pipe_IsINReceived())
|
||
|
|
{
|
||
|
|
if (Pipe_BytesInPipe())
|
||
|
|
ReceivedByte = Pipe_Read_8();
|
||
|
|
|
||
|
|
if (!(Pipe_BytesInPipe()))
|
||
|
|
Pipe_ClearIN();
|
||
|
|
}
|
||
|
|
|
||
|
|
Pipe_Freeze();
|
||
|
|
|
||
|
|
return ReceivedByte;
|
||
|
|
}
|
||
|
|
|
||
|
|
uint8_t AOA_Host_Flush(USB_ClassInfo_AOA_Host_t* const AOAInterfaceInfo)
|
||
|
|
{
|
||
|
|
if ((USB_HostState != HOST_STATE_Configured) || !(AOAInterfaceInfo->State.IsActive))
|
||
|
|
return PIPE_READYWAIT_DeviceDisconnected;
|
||
|
|
|
||
|
|
uint8_t ErrorCode;
|
||
|
|
|
||
|
|
Pipe_SelectPipe(AOAInterfaceInfo->Config.DataOUTPipe.Address);
|
||
|
|
Pipe_Unfreeze();
|
||
|
|
|
||
|
|
if (!(Pipe_BytesInPipe()))
|
||
|
|
return PIPE_READYWAIT_NoError;
|
||
|
|
|
||
|
|
bool BankFull = !(Pipe_IsReadWriteAllowed());
|
||
|
|
|
||
|
|
Pipe_ClearOUT();
|
||
|
|
|
||
|
|
if (BankFull)
|
||
|
|
{
|
||
|
|
if ((ErrorCode = Pipe_WaitUntilReady()) != PIPE_READYWAIT_NoError)
|
||
|
|
return ErrorCode;
|
||
|
|
|
||
|
|
Pipe_ClearOUT();
|
||
|
|
}
|
||
|
|
|
||
|
|
Pipe_Freeze();
|
||
|
|
|
||
|
|
return PIPE_READYWAIT_NoError;
|
||
|
|
}
|
||
|
|
|
||
|
|
#if defined(FDEV_SETUP_STREAM)
|
||
|
|
void AOA_Host_CreateStream(USB_ClassInfo_AOA_Host_t* const AOAInterfaceInfo,
|
||
|
|
FILE* const Stream)
|
||
|
|
{
|
||
|
|
*Stream = (FILE)FDEV_SETUP_STREAM(AOA_Host_putchar, AOA_Host_getchar, _FDEV_SETUP_RW);
|
||
|
|
fdev_set_udata(Stream, AOAInterfaceInfo);
|
||
|
|
}
|
||
|
|
|
||
|
|
void AOA_Host_CreateBlockingStream(USB_ClassInfo_AOA_Host_t* const AOAInterfaceInfo,
|
||
|
|
FILE* const Stream)
|
||
|
|
{
|
||
|
|
*Stream = (FILE)FDEV_SETUP_STREAM(AOA_Host_putchar, AOA_Host_getchar_Blocking, _FDEV_SETUP_RW);
|
||
|
|
fdev_set_udata(Stream, AOAInterfaceInfo);
|
||
|
|
}
|
||
|
|
|
||
|
|
static int AOA_Host_putchar(char c,
|
||
|
|
FILE* Stream)
|
||
|
|
{
|
||
|
|
return AOA_Host_SendByte((USB_ClassInfo_AOA_Host_t*)fdev_get_udata(Stream), c) ? _FDEV_ERR : 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
static int AOA_Host_getchar(FILE* Stream)
|
||
|
|
{
|
||
|
|
int16_t ReceivedByte = AOA_Host_ReceiveByte((USB_ClassInfo_AOA_Host_t*)fdev_get_udata(Stream));
|
||
|
|
|
||
|
|
if (ReceivedByte < 0)
|
||
|
|
return _FDEV_EOF;
|
||
|
|
|
||
|
|
return ReceivedByte;
|
||
|
|
}
|
||
|
|
|
||
|
|
static int AOA_Host_getchar_Blocking(FILE* Stream)
|
||
|
|
{
|
||
|
|
int16_t ReceivedByte;
|
||
|
|
|
||
|
|
while ((ReceivedByte = AOA_Host_ReceiveByte((USB_ClassInfo_AOA_Host_t*)fdev_get_udata(Stream))) < 0)
|
||
|
|
{
|
||
|
|
if (USB_HostState == HOST_STATE_Unattached)
|
||
|
|
return _FDEV_EOF;
|
||
|
|
|
||
|
|
AOA_Host_USBTask((USB_ClassInfo_AOA_Host_t*)fdev_get_udata(Stream));
|
||
|
|
USB_USBTask();
|
||
|
|
}
|
||
|
|
|
||
|
|
return ReceivedByte;
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#endif
|
||
|
|
|
||
|
|
|