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Oops - with new changes to the way the device Configuration Descriptor is retrieved...
[pub/USBasp.git] / LUFA / Drivers / USB / Class / Host / CDC.c
diff --git a/LUFA/Drivers/USB/Class/Host/CDC.c b/LUFA/Drivers/USB/Class/Host/CDC.c
index b7a192a..e75bee2 100644 (file)
--- a/LUFA/Drivers/USB/Class/Host/CDC.c
+++ b/LUFA/Drivers/USB/Class/Host/CDC.c
@@ -34,12 +34,10 @@
 #define  INCLUDE_FROM_CDC_CLASS_HOST_C\r
 #include "CDC.h"\r
 \r
-#warning The CDC Host mode Class driver is currently incomplete and is for preview purposes only.\r
-\r
 uint8_t CDC_Host_ConfigurePipes(USB_ClassInfo_CDC_Host_t* CDCInterfaceInfo, uint16_t ConfigDescriptorSize,\r
                                 uint8_t* ConfigDescriptorData)\r
 {\r
-       uint8_t  FoundEndpoints = 0;\r
+       uint8_t FoundEndpoints = 0;\r
 \r
        memset(&CDCInterfaceInfo->State, 0x00, sizeof(CDCInterfaceInfo->State));\r
 \r
@@ -51,13 +49,20 @@ uint8_t CDC_Host_ConfigurePipes(USB_ClassInfo_CDC_Host_t* CDCInterfaceInfo, uint
        {\r
                return CDC_ENUMERROR_NoCDCInterfaceFound;\r
        }\r
+       \r
+       CDCInterfaceInfo->State.ControlInterfaceNumber =\r
+#if defined(USE_NONSTANDARD_DESCRIPTOR_NAMES)\r
+                            DESCRIPTOR_CAST(ConfigDescriptorData, USB_Descriptor_Interface_t).InterfaceNumber;\r
+#else\r
+                            DESCRIPTOR_CAST(ConfigDescriptorData, USB_Descriptor_Interface_t).bInterfaceNumber;\r
+#endif\r
 \r
-       while (FoundEndpoints != (CDC_FOUND_DATAPIPE_IN | CDC_FOUND_DATAPIPE_OUT | CDC_FOUND_DATAPIPE_NOTIFICATION))\r
+       while (FoundEndpoints != (CDC_FOUND_NOTIFICATION_IN | CDC_FOUND_DATAPIPE_IN | CDC_FOUND_DATAPIPE_OUT))\r
        {\r
                if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData,\r
-                                             DComp_CDC_Host_NextInterfaceCDCDataEndpoint) != DESCRIPTOR_SEARCH_COMP_Found)\r
+                                             DComp_CDC_Host_NextCDCInterfaceEndpoint) != DESCRIPTOR_SEARCH_COMP_Found)\r
                {\r
-                       if (FoundEndpoints & CDC_FOUND_DATAPIPE_NOTIFICATION)\r
+                       if (FoundEndpoints & CDC_FOUND_NOTIFICATION_IN)\r
                        {\r
                                if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData, \r
                                                              DComp_CDC_Host_NextCDCDataInterface) != DESCRIPTOR_SEARCH_COMP_Found)\r
@@ -84,7 +89,7 @@ uint8_t CDC_Host_ConfigurePipes(USB_ClassInfo_CDC_Host_t* CDCInterfaceInfo, uint
                        }\r
 \r
                        if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData,\r
-                                                     DComp_CDC_Host_NextInterfaceCDCDataEndpoint) != DESCRIPTOR_SEARCH_COMP_Found)\r
+                                                     DComp_CDC_Host_NextCDCInterfaceEndpoint) != DESCRIPTOR_SEARCH_COMP_Found)\r
                        {\r
                                return CDC_ENUMERROR_EndpointsNotFound;\r
                        }\r
@@ -102,7 +107,7 @@ uint8_t CDC_Host_ConfigurePipes(USB_ClassInfo_CDC_Host_t* CDCInterfaceInfo, uint
 \r
                                Pipe_SetInterruptPeriod(EndpointData->PollingIntervalMS);\r
                                \r
-                               FoundEndpoints |= CDC_FOUND_DATAPIPE_NOTIFICATION;\r
+                               FoundEndpoints |= CDC_FOUND_NOTIFICATION_IN;\r
                        }\r
                }\r
                else\r
@@ -126,6 +131,7 @@ uint8_t CDC_Host_ConfigurePipes(USB_ClassInfo_CDC_Host_t* CDCInterfaceInfo, uint
                }\r
        }\r
 \r
+       CDCInterfaceInfo->State.Active = true;\r
        return CDC_ENUMERROR_NoError;\r
 }\r
 \r
@@ -165,7 +171,7 @@ static uint8_t DComp_CDC_Host_NextCDCDataInterface(void* CurrentDescriptor)
        return DESCRIPTOR_SEARCH_NotFound;\r
 }\r
 \r
-static uint8_t DComp_CDC_Host_NextInterfaceCDCDataEndpoint(void* CurrentDescriptor)\r
+static uint8_t DComp_CDC_Host_NextCDCInterfaceEndpoint(void* CurrentDescriptor)\r
 {\r
        if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Endpoint)\r
        {\r
@@ -190,6 +196,136 @@ static uint8_t DComp_CDC_Host_NextInterfaceCDCDataEndpoint(void* CurrentDescript
 \r
 void CDC_Host_USBTask(USB_ClassInfo_CDC_Host_t* CDCInterfaceInfo)\r
 {\r
+       if ((USB_HostState != HOST_STATE_Configured) || !(CDCInterfaceInfo->State.Active))\r
+         return;\r
+       \r
+       Pipe_SelectPipe(CDCInterfaceInfo->Config.NotificationPipeNumber);       \r
+       Pipe_Unfreeze();\r
+\r
+       if (Pipe_IsINReceived())\r
+       {\r
+               USB_Request_Header_t Notification;\r
+               Pipe_Read_Stream_LE(&Notification, sizeof(Notification), NO_STREAM_CALLBACK);\r
+               \r
+               if ((Notification.bRequest      == NOTIF_SerialState) &&\r
+                   (Notification.bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_CLASS | REQREC_INTERFACE)))\r
+               {\r
+                       Pipe_Read_Stream_LE(&CDCInterfaceInfo->State.ControlLineStates.DeviceToHost,\r
+                                           sizeof(CDCInterfaceInfo->State.ControlLineStates.DeviceToHost),\r
+                                           NO_STREAM_CALLBACK);\r
+                       \r
+               }\r
+\r
+               Pipe_ClearIN();\r
+\r
+               EVENT_CDC_Host_ControLineStateChanged(CDCInterfaceInfo);\r
+       }\r
+       \r
+       Pipe_Freeze();\r
+}\r
+\r
+uint8_t CDC_Host_SetLineEncoding(USB_ClassInfo_CDC_Host_t* CDCInterfaceInfo)\r
+{\r
+       USB_ControlRequest = (USB_Request_Header_t)\r
+       {\r
+               .bmRequestType = (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE),\r
+               .bRequest      = REQ_SetLineEncoding,\r
+               .wValue        = 0,\r
+               .wIndex        = CDCInterfaceInfo->State.ControlInterfaceNumber,\r
+               .wLength       = sizeof(CDCInterfaceInfo->State.LineEncoding),\r
+       };\r
+\r
+       Pipe_SelectPipe(PIPE_CONTROLPIPE);\r
+       \r
+       return USB_Host_SendControlRequest(&CDCInterfaceInfo->State.LineEncoding);\r
+}\r
+\r
+uint8_t CDC_Host_SendControlLineStateChange(USB_ClassInfo_CDC_Host_t* CDCInterfaceInfo)\r
+{\r
+       USB_ControlRequest = (USB_Request_Header_t)\r
+       {\r
+               .bmRequestType = (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE),\r
+               .bRequest      = REQ_SetControlLineState,\r
+               .wValue        = CDCInterfaceInfo->State.ControlLineStates.HostToDevice,\r
+               .wIndex        = CDCInterfaceInfo->State.ControlInterfaceNumber,\r
+               .wLength       = 0,\r
+       };\r
+\r
+       Pipe_SelectPipe(PIPE_CONTROLPIPE);\r
+       \r
+       return USB_Host_SendControlRequest(NULL);\r
+}\r
+\r
+void CDC_Host_SendString(USB_ClassInfo_CDC_Host_t* CDCInterfaceInfo, char* Data, uint16_t Length)\r
+{\r
+       if ((USB_HostState != HOST_STATE_Configured) || !(CDCInterfaceInfo->State.Active))\r
+         return;\r
+\r
+       Pipe_SelectPipe(CDCInterfaceInfo->Config.DataOUTPipeNumber);    \r
+       Pipe_Unfreeze();\r
+       Pipe_Write_Stream_LE(Data, Length, NO_STREAM_CALLBACK); \r
+       Pipe_Freeze();\r
+}\r
+\r
+void CDC_Host_SendByte(USB_ClassInfo_CDC_Host_t* CDCInterfaceInfo, uint8_t Data)\r
+{\r
+       if ((USB_HostState != HOST_STATE_Configured) || !(CDCInterfaceInfo->State.Active))\r
+         return;\r
+\r
+       Pipe_SelectPipe(CDCInterfaceInfo->Config.DataOUTPipeNumber);    \r
+       Pipe_Unfreeze();\r
+       \r
+       if (!(Pipe_IsReadWriteAllowed()))\r
+       {\r
+               Pipe_ClearOUT();\r
+               Pipe_WaitUntilReady();\r
+       }\r
+\r
+       Pipe_Write_Byte(Data);  \r
+       Pipe_Freeze();\r
+}\r
+\r
+uint16_t CDC_Host_BytesReceived(USB_ClassInfo_CDC_Host_t* CDCInterfaceInfo)\r
+{\r
+       uint16_t BytesInPipe = 0;\r
+\r
+       if ((USB_HostState != HOST_STATE_Configured) || !(CDCInterfaceInfo->State.Active))\r
+         return BytesInPipe;\r
+       \r
+       Pipe_SelectPipe(CDCInterfaceInfo->Config.DataINPipeNumber);     \r
+       Pipe_Unfreeze();\r
+\r
+       if (Pipe_IsINReceived() && !(Pipe_BytesInPipe()))\r
+         Pipe_ClearIN();\r
+       \r
+       BytesInPipe = Pipe_BytesInPipe();\r
+       Pipe_Freeze();\r
+       \r
+       return BytesInPipe;\r
+}\r
+\r
+uint8_t CDC_Host_ReceiveByte(USB_ClassInfo_CDC_Host_t* CDCInterfaceInfo)\r
+{\r
+       uint8_t ReceivedByte = 0;\r
+\r
+       if ((USB_HostState != HOST_STATE_Configured) || !(CDCInterfaceInfo->State.Active))\r
+         return ReceivedByte;\r
+         \r
+       Pipe_SelectPipe(CDCInterfaceInfo->Config.DataINPipeNumber);     \r
+       Pipe_Unfreeze();\r
+\r
+       ReceivedByte = Pipe_Read_Byte();\r
+       \r
+       if (!(Pipe_BytesInPipe()))\r
+         Pipe_ClearIN();\r
+       \r
+       Pipe_Freeze();\r
+       \r
+       return ReceivedByte;\r
+}\r
+\r
+void CDC_Host_Event_Stub(void)\r
+{\r
 \r
 }\r
 \r
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