forked from mirrors/qmk_userspace
Merge commit '60b30c0363
' as 'lib/lufa'
This commit is contained in:
commit
8655d4f494
1455 changed files with 394541 additions and 0 deletions
512
lib/lufa/LUFA/Drivers/USB/Class/Host/CDCClassHost.c
Normal file
512
lib/lufa/LUFA/Drivers/USB/Class/Host/CDCClassHost.c
Normal file
|
@ -0,0 +1,512 @@
|
|||
/*
|
||||
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_CDC_DRIVER
|
||||
#define __INCLUDE_FROM_CDC_HOST_C
|
||||
#include "CDCClassHost.h"
|
||||
|
||||
uint8_t CDC_Host_ConfigurePipes(USB_ClassInfo_CDC_Host_t* const CDCInterfaceInfo,
|
||||
uint16_t ConfigDescriptorSize,
|
||||
void* ConfigDescriptorData)
|
||||
{
|
||||
USB_Descriptor_Endpoint_t* DataINEndpoint = NULL;
|
||||
USB_Descriptor_Endpoint_t* DataOUTEndpoint = NULL;
|
||||
USB_Descriptor_Endpoint_t* NotificationEndpoint = NULL;
|
||||
USB_Descriptor_Interface_t* CDCControlInterface = NULL;
|
||||
|
||||
memset(&CDCInterfaceInfo->State, 0x00, sizeof(CDCInterfaceInfo->State));
|
||||
|
||||
if (DESCRIPTOR_TYPE(ConfigDescriptorData) != DTYPE_Configuration)
|
||||
return CDC_ENUMERROR_InvalidConfigDescriptor;
|
||||
|
||||
while (!(DataINEndpoint) || !(DataOUTEndpoint) || !(NotificationEndpoint))
|
||||
{
|
||||
if (!(CDCControlInterface) ||
|
||||
USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData,
|
||||
DCOMP_CDC_Host_NextCDCInterfaceEndpoint) != DESCRIPTOR_SEARCH_COMP_Found)
|
||||
{
|
||||
if (NotificationEndpoint)
|
||||
{
|
||||
if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData,
|
||||
DCOMP_CDC_Host_NextCDCDataInterface) != DESCRIPTOR_SEARCH_COMP_Found)
|
||||
{
|
||||
return CDC_ENUMERROR_NoCompatibleInterfaceFound;
|
||||
}
|
||||
|
||||
DataINEndpoint = NULL;
|
||||
DataOUTEndpoint = NULL;
|
||||
}
|
||||
else
|
||||
{
|
||||
if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData,
|
||||
DCOMP_CDC_Host_NextCDCControlInterface) != DESCRIPTOR_SEARCH_COMP_Found)
|
||||
{
|
||||
return CDC_ENUMERROR_NoCompatibleInterfaceFound;
|
||||
}
|
||||
|
||||
CDCControlInterface = DESCRIPTOR_PCAST(ConfigDescriptorData, USB_Descriptor_Interface_t);
|
||||
|
||||
NotificationEndpoint = NULL;
|
||||
}
|
||||
|
||||
continue;
|
||||
}
|
||||
|
||||
USB_Descriptor_Endpoint_t* EndpointData = DESCRIPTOR_PCAST(ConfigDescriptorData, USB_Descriptor_Endpoint_t);
|
||||
|
||||
if ((EndpointData->EndpointAddress & ENDPOINT_DIR_MASK) == ENDPOINT_DIR_IN)
|
||||
{
|
||||
if ((EndpointData->Attributes & EP_TYPE_MASK) == EP_TYPE_INTERRUPT)
|
||||
NotificationEndpoint = EndpointData;
|
||||
else
|
||||
DataINEndpoint = EndpointData;
|
||||
}
|
||||
else
|
||||
{
|
||||
DataOUTEndpoint = EndpointData;
|
||||
}
|
||||
}
|
||||
|
||||
CDCInterfaceInfo->Config.DataINPipe.Size = le16_to_cpu(DataINEndpoint->EndpointSize);
|
||||
CDCInterfaceInfo->Config.DataINPipe.EndpointAddress = DataINEndpoint->EndpointAddress;
|
||||
CDCInterfaceInfo->Config.DataINPipe.Type = EP_TYPE_BULK;
|
||||
|
||||
CDCInterfaceInfo->Config.DataOUTPipe.Size = le16_to_cpu(DataOUTEndpoint->EndpointSize);
|
||||
CDCInterfaceInfo->Config.DataOUTPipe.EndpointAddress = DataOUTEndpoint->EndpointAddress;
|
||||
CDCInterfaceInfo->Config.DataOUTPipe.Type = EP_TYPE_BULK;
|
||||
|
||||
CDCInterfaceInfo->Config.NotificationPipe.Size = le16_to_cpu(NotificationEndpoint->EndpointSize);
|
||||
CDCInterfaceInfo->Config.NotificationPipe.EndpointAddress = NotificationEndpoint->EndpointAddress;
|
||||
CDCInterfaceInfo->Config.NotificationPipe.Type = EP_TYPE_INTERRUPT;
|
||||
|
||||
if (!(Pipe_ConfigurePipeTable(&CDCInterfaceInfo->Config.DataINPipe, 1)))
|
||||
return CDC_ENUMERROR_PipeConfigurationFailed;
|
||||
|
||||
if (!(Pipe_ConfigurePipeTable(&CDCInterfaceInfo->Config.DataOUTPipe, 1)))
|
||||
return CDC_ENUMERROR_PipeConfigurationFailed;
|
||||
|
||||
if (!(Pipe_ConfigurePipeTable(&CDCInterfaceInfo->Config.NotificationPipe, 1)))
|
||||
return CDC_ENUMERROR_PipeConfigurationFailed;
|
||||
|
||||
CDCInterfaceInfo->State.ControlInterfaceNumber = CDCControlInterface->InterfaceNumber;
|
||||
CDCInterfaceInfo->State.ControlLineStates.HostToDevice = (CDC_CONTROL_LINE_OUT_RTS | CDC_CONTROL_LINE_OUT_DTR);
|
||||
CDCInterfaceInfo->State.ControlLineStates.DeviceToHost = (CDC_CONTROL_LINE_IN_DCD | CDC_CONTROL_LINE_IN_DSR);
|
||||
CDCInterfaceInfo->State.IsActive = true;
|
||||
|
||||
return CDC_ENUMERROR_NoError;
|
||||
}
|
||||
|
||||
static uint8_t DCOMP_CDC_Host_NextCDCControlInterface(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 == CDC_CSCP_CDCClass) &&
|
||||
(Interface->SubClass == CDC_CSCP_ACMSubclass) &&
|
||||
(Interface->Protocol == CDC_CSCP_ATCommandProtocol))
|
||||
{
|
||||
return DESCRIPTOR_SEARCH_Found;
|
||||
}
|
||||
}
|
||||
|
||||
return DESCRIPTOR_SEARCH_NotFound;
|
||||
}
|
||||
|
||||
static uint8_t DCOMP_CDC_Host_NextCDCDataInterface(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 == CDC_CSCP_CDCDataClass) &&
|
||||
(Interface->SubClass == CDC_CSCP_NoDataSubclass) &&
|
||||
(Interface->Protocol == CDC_CSCP_NoDataProtocol))
|
||||
{
|
||||
return DESCRIPTOR_SEARCH_Found;
|
||||
}
|
||||
}
|
||||
|
||||
return DESCRIPTOR_SEARCH_NotFound;
|
||||
}
|
||||
|
||||
static uint8_t DCOMP_CDC_Host_NextCDCInterfaceEndpoint(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) || (EndpointType == EP_TYPE_INTERRUPT)) &&
|
||||
!(Pipe_IsEndpointBound(Endpoint->EndpointAddress)))
|
||||
{
|
||||
return DESCRIPTOR_SEARCH_Found;
|
||||
}
|
||||
}
|
||||
else if (Header->Type == DTYPE_Interface)
|
||||
{
|
||||
return DESCRIPTOR_SEARCH_Fail;
|
||||
}
|
||||
|
||||
return DESCRIPTOR_SEARCH_NotFound;
|
||||
}
|
||||
|
||||
void CDC_Host_USBTask(USB_ClassInfo_CDC_Host_t* const CDCInterfaceInfo)
|
||||
{
|
||||
if ((USB_HostState != HOST_STATE_Configured) || !(CDCInterfaceInfo->State.IsActive))
|
||||
return;
|
||||
|
||||
Pipe_SelectPipe(CDCInterfaceInfo->Config.NotificationPipe.Address);
|
||||
Pipe_Unfreeze();
|
||||
|
||||
if (Pipe_IsINReceived())
|
||||
{
|
||||
USB_Request_Header_t Notification;
|
||||
Pipe_Read_Stream_LE(&Notification, sizeof(USB_Request_Header_t), NULL);
|
||||
|
||||
if ((Notification.bRequest == CDC_NOTIF_SerialState) &&
|
||||
(Notification.bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_CLASS | REQREC_INTERFACE)))
|
||||
{
|
||||
Pipe_Read_Stream_LE(&CDCInterfaceInfo->State.ControlLineStates.DeviceToHost,
|
||||
sizeof(CDCInterfaceInfo->State.ControlLineStates.DeviceToHost),
|
||||
NULL);
|
||||
|
||||
Pipe_ClearIN();
|
||||
|
||||
EVENT_CDC_Host_ControLineStateChanged(CDCInterfaceInfo);
|
||||
}
|
||||
else
|
||||
{
|
||||
Pipe_ClearIN();
|
||||
}
|
||||
}
|
||||
|
||||
Pipe_Freeze();
|
||||
|
||||
#if !defined(NO_CLASS_DRIVER_AUTOFLUSH)
|
||||
CDC_Host_Flush(CDCInterfaceInfo);
|
||||
#endif
|
||||
}
|
||||
|
||||
uint8_t CDC_Host_SetLineEncoding(USB_ClassInfo_CDC_Host_t* const CDCInterfaceInfo)
|
||||
{
|
||||
USB_ControlRequest = (USB_Request_Header_t)
|
||||
{
|
||||
.bmRequestType = (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE),
|
||||
.bRequest = CDC_REQ_SetLineEncoding,
|
||||
.wValue = 0,
|
||||
.wIndex = CDCInterfaceInfo->State.ControlInterfaceNumber,
|
||||
.wLength = sizeof(CDCInterfaceInfo->State.LineEncoding),
|
||||
};
|
||||
|
||||
Pipe_SelectPipe(PIPE_CONTROLPIPE);
|
||||
|
||||
return USB_Host_SendControlRequest(&CDCInterfaceInfo->State.LineEncoding);
|
||||
}
|
||||
|
||||
uint8_t CDC_Host_SendControlLineStateChange(USB_ClassInfo_CDC_Host_t* const CDCInterfaceInfo)
|
||||
{
|
||||
USB_ControlRequest = (USB_Request_Header_t)
|
||||
{
|
||||
.bmRequestType = (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE),
|
||||
.bRequest = CDC_REQ_SetControlLineState,
|
||||
.wValue = CDCInterfaceInfo->State.ControlLineStates.HostToDevice,
|
||||
.wIndex = CDCInterfaceInfo->State.ControlInterfaceNumber,
|
||||
.wLength = 0,
|
||||
};
|
||||
|
||||
Pipe_SelectPipe(PIPE_CONTROLPIPE);
|
||||
|
||||
return USB_Host_SendControlRequest(NULL);
|
||||
}
|
||||
|
||||
uint8_t CDC_Host_SendBreak(USB_ClassInfo_CDC_Host_t* const CDCInterfaceInfo,
|
||||
const uint8_t Duration)
|
||||
{
|
||||
USB_ControlRequest = (USB_Request_Header_t)
|
||||
{
|
||||
.bmRequestType = (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE),
|
||||
.bRequest = CDC_REQ_SendBreak,
|
||||
.wValue = Duration,
|
||||
.wIndex = CDCInterfaceInfo->State.ControlInterfaceNumber,
|
||||
.wLength = 0,
|
||||
};
|
||||
|
||||
Pipe_SelectPipe(PIPE_CONTROLPIPE);
|
||||
|
||||
return USB_Host_SendControlRequest(NULL);
|
||||
}
|
||||
|
||||
uint8_t CDC_Host_SendData(USB_ClassInfo_CDC_Host_t* const CDCInterfaceInfo,
|
||||
const void* const Buffer,
|
||||
const uint16_t Length)
|
||||
{
|
||||
if ((USB_HostState != HOST_STATE_Configured) || !(CDCInterfaceInfo->State.IsActive))
|
||||
return PIPE_READYWAIT_DeviceDisconnected;
|
||||
|
||||
uint8_t ErrorCode;
|
||||
|
||||
Pipe_SelectPipe(CDCInterfaceInfo->Config.DataOUTPipe.Address);
|
||||
|
||||
Pipe_Unfreeze();
|
||||
ErrorCode = Pipe_Write_Stream_LE(Buffer, Length, NULL);
|
||||
Pipe_Freeze();
|
||||
|
||||
return ErrorCode;
|
||||
}
|
||||
|
||||
uint8_t CDC_Host_SendData_P(USB_ClassInfo_CDC_Host_t* const CDCInterfaceInfo,
|
||||
const void* const Buffer,
|
||||
const uint16_t Length)
|
||||
{
|
||||
if ((USB_HostState != HOST_STATE_Configured) || !(CDCInterfaceInfo->State.IsActive))
|
||||
return PIPE_READYWAIT_DeviceDisconnected;
|
||||
|
||||
uint8_t ErrorCode;
|
||||
|
||||
Pipe_SelectPipe(CDCInterfaceInfo->Config.DataOUTPipe.Address);
|
||||
|
||||
Pipe_Unfreeze();
|
||||
ErrorCode = Pipe_Write_PStream_LE(Buffer, Length, NULL);
|
||||
Pipe_Freeze();
|
||||
|
||||
return ErrorCode;
|
||||
}
|
||||
|
||||
uint8_t CDC_Host_SendString(USB_ClassInfo_CDC_Host_t* const CDCInterfaceInfo,
|
||||
const char* const String)
|
||||
{
|
||||
if ((USB_HostState != HOST_STATE_Configured) || !(CDCInterfaceInfo->State.IsActive))
|
||||
return PIPE_READYWAIT_DeviceDisconnected;
|
||||
|
||||
uint8_t ErrorCode;
|
||||
|
||||
Pipe_SelectPipe(CDCInterfaceInfo->Config.DataOUTPipe.Address);
|
||||
|
||||
Pipe_Unfreeze();
|
||||
ErrorCode = Pipe_Write_Stream_LE(String, strlen(String), NULL);
|
||||
Pipe_Freeze();
|
||||
|
||||
return ErrorCode;
|
||||
}
|
||||
|
||||
uint8_t CDC_Host_SendString_P(USB_ClassInfo_CDC_Host_t* const CDCInterfaceInfo,
|
||||
const char* const String)
|
||||
{
|
||||
if ((USB_HostState != HOST_STATE_Configured) || !(CDCInterfaceInfo->State.IsActive))
|
||||
return PIPE_READYWAIT_DeviceDisconnected;
|
||||
|
||||
uint8_t ErrorCode;
|
||||
|
||||
Pipe_SelectPipe(CDCInterfaceInfo->Config.DataOUTPipe.Address);
|
||||
|
||||
Pipe_Unfreeze();
|
||||
ErrorCode = Pipe_Write_PStream_LE(String, strlen_P(String), NULL);
|
||||
Pipe_Freeze();
|
||||
|
||||
return ErrorCode;
|
||||
}
|
||||
|
||||
uint8_t CDC_Host_SendByte(USB_ClassInfo_CDC_Host_t* const CDCInterfaceInfo,
|
||||
const uint8_t Data)
|
||||
{
|
||||
if ((USB_HostState != HOST_STATE_Configured) || !(CDCInterfaceInfo->State.IsActive))
|
||||
return PIPE_READYWAIT_DeviceDisconnected;
|
||||
|
||||
uint8_t ErrorCode;
|
||||
|
||||
Pipe_SelectPipe(CDCInterfaceInfo->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 CDC_Host_BytesReceived(USB_ClassInfo_CDC_Host_t* const CDCInterfaceInfo)
|
||||
{
|
||||
if ((USB_HostState != HOST_STATE_Configured) || !(CDCInterfaceInfo->State.IsActive))
|
||||
return 0;
|
||||
|
||||
Pipe_SelectPipe(CDCInterfaceInfo->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 CDC_Host_ReceiveByte(USB_ClassInfo_CDC_Host_t* const CDCInterfaceInfo)
|
||||
{
|
||||
if ((USB_HostState != HOST_STATE_Configured) || !(CDCInterfaceInfo->State.IsActive))
|
||||
return -1;
|
||||
|
||||
int16_t ReceivedByte = -1;
|
||||
|
||||
Pipe_SelectPipe(CDCInterfaceInfo->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 CDC_Host_Flush(USB_ClassInfo_CDC_Host_t* const CDCInterfaceInfo)
|
||||
{
|
||||
if ((USB_HostState != HOST_STATE_Configured) || !(CDCInterfaceInfo->State.IsActive))
|
||||
return PIPE_READYWAIT_DeviceDisconnected;
|
||||
|
||||
uint8_t ErrorCode;
|
||||
|
||||
Pipe_SelectPipe(CDCInterfaceInfo->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 CDC_Host_CreateStream(USB_ClassInfo_CDC_Host_t* const CDCInterfaceInfo,
|
||||
FILE* const Stream)
|
||||
{
|
||||
*Stream = (FILE)FDEV_SETUP_STREAM(CDC_Host_putchar, CDC_Host_getchar, _FDEV_SETUP_RW);
|
||||
fdev_set_udata(Stream, CDCInterfaceInfo);
|
||||
}
|
||||
|
||||
void CDC_Host_CreateBlockingStream(USB_ClassInfo_CDC_Host_t* const CDCInterfaceInfo,
|
||||
FILE* const Stream)
|
||||
{
|
||||
*Stream = (FILE)FDEV_SETUP_STREAM(CDC_Host_putchar, CDC_Host_getchar_Blocking, _FDEV_SETUP_RW);
|
||||
fdev_set_udata(Stream, CDCInterfaceInfo);
|
||||
}
|
||||
|
||||
static int CDC_Host_putchar(char c,
|
||||
FILE* Stream)
|
||||
{
|
||||
return CDC_Host_SendByte((USB_ClassInfo_CDC_Host_t*)fdev_get_udata(Stream), c) ? _FDEV_ERR : 0;
|
||||
}
|
||||
|
||||
static int CDC_Host_getchar(FILE* Stream)
|
||||
{
|
||||
int16_t ReceivedByte = CDC_Host_ReceiveByte((USB_ClassInfo_CDC_Host_t*)fdev_get_udata(Stream));
|
||||
|
||||
if (ReceivedByte < 0)
|
||||
return _FDEV_EOF;
|
||||
|
||||
return ReceivedByte;
|
||||
}
|
||||
|
||||
static int CDC_Host_getchar_Blocking(FILE* Stream)
|
||||
{
|
||||
int16_t ReceivedByte;
|
||||
|
||||
while ((ReceivedByte = CDC_Host_ReceiveByte((USB_ClassInfo_CDC_Host_t*)fdev_get_udata(Stream))) < 0)
|
||||
{
|
||||
if (USB_HostState == HOST_STATE_Unattached)
|
||||
return _FDEV_EOF;
|
||||
|
||||
CDC_Host_USBTask((USB_ClassInfo_CDC_Host_t*)fdev_get_udata(Stream));
|
||||
USB_USBTask();
|
||||
}
|
||||
|
||||
return ReceivedByte;
|
||||
}
|
||||
#endif
|
||||
|
||||
void CDC_Host_Event_Stub(void)
|
||||
{
|
||||
|
||||
}
|
||||
|
||||
#endif
|
||||
|
Loading…
Add table
Add a link
Reference in a new issue