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path: root/LUFA/Drivers/USB/Class/Host/CDC.c
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Diffstat (limited to 'LUFA/Drivers/USB/Class/Host/CDC.c')
-rw-r--r--LUFA/Drivers/USB/Class/Host/CDC.c113
1 files changed, 113 insertions, 0 deletions
diff --git a/LUFA/Drivers/USB/Class/Host/CDC.c b/LUFA/Drivers/USB/Class/Host/CDC.c
index b7a192ac0f..e0e15e1457 100644
--- a/LUFA/Drivers/USB/Class/Host/CDC.c
+++ b/LUFA/Drivers/USB/Class/Host/CDC.c
@@ -51,6 +51,13 @@ uint8_t CDC_Host_ConfigurePipes(USB_ClassInfo_CDC_Host_t* CDCInterfaceInfo, uint
{
return CDC_ENUMERROR_NoCDCInterfaceFound;
}
+
+ CDCInterfaceInfo->State.ControlInterfaceNumber =
+#if defined(USE_NONSTANDARD_DESCRIPTOR_NAMES)
+ DESCRIPTOR_CAST(ConfigDescriptorData, USB_Descriptor_Interface_t).InterfaceNumber;
+#else
+ DESCRIPTOR_CAST(ConfigDescriptorData, USB_Descriptor_Interface_t).bInterfaceNumber;
+#endif
while (FoundEndpoints != (CDC_FOUND_DATAPIPE_IN | CDC_FOUND_DATAPIPE_OUT | CDC_FOUND_DATAPIPE_NOTIFICATION))
{
@@ -126,6 +133,7 @@ uint8_t CDC_Host_ConfigurePipes(USB_ClassInfo_CDC_Host_t* CDCInterfaceInfo, uint
}
}
+ CDCInterfaceInfo->State.Active = true;
return CDC_ENUMERROR_NoError;
}
@@ -190,6 +198,111 @@ static uint8_t DComp_CDC_Host_NextInterfaceCDCDataEndpoint(void* CurrentDescript
void CDC_Host_USBTask(USB_ClassInfo_CDC_Host_t* CDCInterfaceInfo)
{
+ EVENT_CDC_Host_ControLineStateChanged(CDCInterfaceInfo);
+}
+
+uint8_t CDC_Host_SetLineEncoding(USB_ClassInfo_CDC_Host_t* CDCInterfaceInfo)
+{
+ USB_ControlRequest = (USB_Request_Header_t)
+ {
+ .bmRequestType = (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE),
+ .bRequest = REQ_SetControlLineState,
+ .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* CDCInterfaceInfo)
+{
+ USB_ControlRequest = (USB_Request_Header_t)
+ {
+ .bmRequestType = (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE),
+ .bRequest = REQ_SetControlLineState,
+ .wValue = CDCInterfaceInfo->State.ControlLineStates.HostToDevice,
+ .wIndex = CDCInterfaceInfo->State.ControlInterfaceNumber,
+ .wLength = 0,
+ };
+
+ Pipe_SelectPipe(PIPE_CONTROLPIPE);
+
+ return USB_Host_SendControlRequest(NULL);
+}
+
+void CDC_Host_SendString(USB_ClassInfo_CDC_Host_t* CDCInterfaceInfo, char* Data, uint16_t Length)
+{
+ if ((USB_HostState != HOST_STATE_Configured) || !(CDCInterfaceInfo->State.Active))
+ return;
+
+ Pipe_SelectPipe(CDCInterfaceInfo->Config.DataOUTPipeNumber);
+ Pipe_Unfreeze();
+ Pipe_Write_Stream_LE(Data, Length, NO_STREAM_CALLBACK);
+ Pipe_Freeze();
+}
+
+void CDC_Host_SendByte(USB_ClassInfo_CDC_Host_t* CDCInterfaceInfo, uint8_t Data)
+{
+ if ((USB_HostState != HOST_STATE_Configured) || !(CDCInterfaceInfo->State.Active))
+ return;
+
+ Pipe_SelectPipe(CDCInterfaceInfo->Config.DataOUTPipeNumber);
+ Pipe_Unfreeze();
+
+ if (!(Pipe_IsReadWriteAllowed()))
+ {
+ Pipe_ClearOUT();
+ Pipe_WaitUntilReady();
+ }
+
+ Pipe_Write_Byte(Data);
+ Pipe_Freeze();
+}
+
+uint16_t CDC_Host_BytesReceived(USB_ClassInfo_CDC_Host_t* CDCInterfaceInfo)
+{
+ uint16_t BytesInPipe = 0;
+
+ if ((USB_HostState != HOST_STATE_Configured) || !(CDCInterfaceInfo->State.Active))
+ return BytesInPipe;
+
+ Pipe_SelectPipe(CDCInterfaceInfo->Config.DataINPipeNumber);
+ Pipe_Unfreeze();
+
+ if (Pipe_IsINReceived() && !(Pipe_BytesInPipe()))
+ Pipe_ClearIN();
+
+ BytesInPipe = Pipe_BytesInPipe();
+ Pipe_Freeze();
+
+ return BytesInPipe;
+}
+
+uint8_t CDC_Host_ReceiveByte(USB_ClassInfo_CDC_Host_t* CDCInterfaceInfo)
+{
+ uint8_t ReceivedByte = 0;
+
+ if ((USB_HostState != HOST_STATE_Configured) || !(CDCInterfaceInfo->State.Active))
+ return ReceivedByte;
+
+ Pipe_SelectPipe(CDCInterfaceInfo->Config.DataINPipeNumber);
+ Pipe_Unfreeze();
+
+ ReceivedByte = Pipe_Read_Byte();
+
+ if (!(Pipe_BytesInPipe()))
+ Pipe_ClearIN();
+
+ Pipe_Freeze();
+
+ return ReceivedByte;
+}
+
+void CDC_Host_Event_Stub(void)
+{
}