Added stdio.h stream examples for the virtual CDC UART in the CDC host demos.

[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 cb70808..adb9320 100644 (file)
--- a/LUFA/Drivers/USB/Class/Host/CDC.c
+++ b/LUFA/Drivers/USB/Class/Host/CDC.c
@@ -34,7 +34,7 @@
 #define  INCLUDE_FROM_CDC_CLASS_HOST_C\r
 #include "CDC.h"\r
 \r
-uint8_t CDC_Host_ConfigurePipes(USB_ClassInfo_CDC_Host_t* CDCInterfaceInfo, uint16_t ConfigDescriptorSize,\r
+uint8_t CDC_Host_ConfigurePipes(USB_ClassInfo_CDC_Host_t* const CDCInterfaceInfo, uint16_t ConfigDescriptorSize,\r
                                 uint8_t* ConfigDescriptorData)\r
 {\r
        uint8_t FoundEndpoints = 0;\r
@@ -50,12 +50,7 @@ uint8_t CDC_Host_ConfigurePipes(USB_ClassInfo_CDC_Host_t* CDCInterfaceInfo, uint
                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
+       CDCInterfaceInfo->State.ControlInterfaceNumber = DESCRIPTOR_CAST(ConfigDescriptorData, USB_Descriptor_Interface_t).InterfaceNumber;\r
 \r
        while (FoundEndpoints != (CDC_FOUND_NOTIFICATION_IN | CDC_FOUND_DATAPIPE_IN | CDC_FOUND_DATAPIPE_OUT))\r
        {\r
@@ -131,7 +126,9 @@ uint8_t CDC_Host_ConfigurePipes(USB_ClassInfo_CDC_Host_t* CDCInterfaceInfo, uint
                }\r
        }\r
 \r
-       CDCInterfaceInfo->State.Active = true;\r
+       CDCInterfaceInfo->State.ControlLineStates.HostToDevice = (CDC_CONTROL_LINE_OUT_RTS | CDC_CONTROL_LINE_OUT_DTR);\r
+       CDCInterfaceInfo->State.ControlLineStates.DeviceToHost = (CDC_CONTROL_LINE_IN_DCD  | CDC_CONTROL_LINE_IN_DSR);\r
+       CDCInterfaceInfo->State.IsActive = true;\r
        return CDC_ENUMERROR_NoError;\r
 }\r
 \r
@@ -194,9 +191,9 @@ static uint8_t DComp_CDC_Host_NextCDCInterfaceEndpoint(void* CurrentDescriptor)
        return DESCRIPTOR_SEARCH_NotFound;\r
 }\r
 \r
-void CDC_Host_USBTask(USB_ClassInfo_CDC_Host_t* CDCInterfaceInfo)\r
+void CDC_Host_USBTask(USB_ClassInfo_CDC_Host_t* const CDCInterfaceInfo)\r
 {\r
-       if ((USB_HostState != HOST_STATE_Configured) || !(CDCInterfaceInfo->State.Active))\r
+       if ((USB_HostState != HOST_STATE_Configured) || !(CDCInterfaceInfo->State.IsActive))\r
          return;\r
        \r
        Pipe_SelectPipe(CDCInterfaceInfo->Config.NotificationPipeNumber);       \r
@@ -205,7 +202,7 @@ void CDC_Host_USBTask(USB_ClassInfo_CDC_Host_t* CDCInterfaceInfo)
        if (Pipe_IsINReceived())\r
        {\r
                USB_Request_Header_t Notification;\r
-               Pipe_Read_Stream_LE(&Notification, sizeof(Notification), NO_STREAM_CALLBACK);\r
+               Pipe_Read_Stream_LE(&Notification, sizeof(USB_Request_Header_t), NO_STREAM_CALLBACK);\r
                \r
                if ((Notification.bRequest      == NOTIF_SerialState) &&\r
                    (Notification.bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_CLASS | REQREC_INTERFACE)))\r
@@ -224,7 +221,7 @@ void CDC_Host_USBTask(USB_ClassInfo_CDC_Host_t* CDCInterfaceInfo)
        Pipe_Freeze();\r
 }\r
 \r
-uint8_t CDC_Host_SetLineEncoding(USB_ClassInfo_CDC_Host_t* CDCInterfaceInfo)\r
+uint8_t CDC_Host_SetLineEncoding(USB_ClassInfo_CDC_Host_t* const CDCInterfaceInfo)\r
 {\r
        USB_ControlRequest = (USB_Request_Header_t)\r
        {\r
@@ -240,7 +237,7 @@ uint8_t CDC_Host_SetLineEncoding(USB_ClassInfo_CDC_Host_t* CDCInterfaceInfo)
        return USB_Host_SendControlRequest(&CDCInterfaceInfo->State.LineEncoding);\r
 }\r
 \r
-uint8_t CDC_Host_SendControlLineStateChange(USB_ClassInfo_CDC_Host_t* CDCInterfaceInfo)\r
+uint8_t CDC_Host_SendControlLineStateChange(USB_ClassInfo_CDC_Host_t* const CDCInterfaceInfo)\r
 {\r
        USB_ControlRequest = (USB_Request_Header_t)\r
        {\r
@@ -256,10 +253,10 @@ uint8_t CDC_Host_SendControlLineStateChange(USB_ClassInfo_CDC_Host_t* CDCInterfa
        return USB_Host_SendControlRequest(NULL);\r
 }\r
 \r
-uint8_t CDC_Host_SendString(USB_ClassInfo_CDC_Host_t* CDCInterfaceInfo, char* Data, uint16_t Length)\r
+uint8_t CDC_Host_SendString(USB_ClassInfo_CDC_Host_t* const CDCInterfaceInfo, char* Data, const uint16_t Length)\r
 {\r
-       if ((USB_HostState != HOST_STATE_Configured) || !(CDCInterfaceInfo->State.Active))\r
-         return;\r
+       if ((USB_HostState != HOST_STATE_Configured) || !(CDCInterfaceInfo->State.IsActive))\r
+         return PIPE_READYWAIT_NoError;\r
 \r
        uint8_t ErrorCode;\r
 \r
@@ -271,12 +268,12 @@ uint8_t CDC_Host_SendString(USB_ClassInfo_CDC_Host_t* CDCInterfaceInfo, char* Da
        return ErrorCode;\r
 }\r
 \r
-uint8_t CDC_Host_SendByte(USB_ClassInfo_CDC_Host_t* CDCInterfaceInfo, uint8_t Data)\r
+uint8_t CDC_Host_SendByte(USB_ClassInfo_CDC_Host_t* const CDCInterfaceInfo, const uint8_t Data)\r
 {\r
-       if ((USB_HostState != HOST_STATE_Configured) || !(CDCInterfaceInfo->State.Active))\r
-         return;\r
+       if ((USB_HostState != HOST_STATE_Configured) || !(CDCInterfaceInfo->State.IsActive))\r
+         return PIPE_READYWAIT_NoError;;\r
          \r
-       uint8_t ErrorCode = PIPE_READYWAIT_NoError;\r
+       uint8_t ErrorCode;\r
 \r
        Pipe_SelectPipe(CDCInterfaceInfo->Config.DataOUTPipeNumber);    \r
        Pipe_Unfreeze();\r
@@ -284,20 +281,22 @@ uint8_t CDC_Host_SendByte(USB_ClassInfo_CDC_Host_t* CDCInterfaceInfo, uint8_t Da
        if (!(Pipe_IsReadWriteAllowed()))\r
        {\r
                Pipe_ClearOUT();\r
-               ErrorCode = Pipe_WaitUntilReady();\r
+\r
+               if ((ErrorCode = Pipe_WaitUntilReady()) != PIPE_READYWAIT_NoError)\r
+                 return ErrorCode;\r
        }\r
 \r
        Pipe_Write_Byte(Data);  \r
        Pipe_Freeze();\r
        \r
-       return ErrorCode;\r
+       return PIPE_READYWAIT_NoError;\r
 }\r
 \r
-uint16_t CDC_Host_BytesReceived(USB_ClassInfo_CDC_Host_t* CDCInterfaceInfo)\r
+uint16_t CDC_Host_BytesReceived(USB_ClassInfo_CDC_Host_t* const CDCInterfaceInfo)\r
 {\r
        uint16_t BytesInPipe = 0;\r
 \r
-       if ((USB_HostState != HOST_STATE_Configured) || !(CDCInterfaceInfo->State.Active))\r
+       if ((USB_HostState != HOST_STATE_Configured) || !(CDCInterfaceInfo->State.IsActive))\r
          return BytesInPipe;\r
        \r
        Pipe_SelectPipe(CDCInterfaceInfo->Config.DataINPipeNumber);     \r
@@ -312,11 +311,11 @@ uint16_t CDC_Host_BytesReceived(USB_ClassInfo_CDC_Host_t* CDCInterfaceInfo)
        return BytesInPipe;\r
 }\r
 \r
-uint8_t CDC_Host_ReceiveByte(USB_ClassInfo_CDC_Host_t* CDCInterfaceInfo)\r
+uint8_t CDC_Host_ReceiveByte(USB_ClassInfo_CDC_Host_t* const CDCInterfaceInfo)\r
 {\r
        uint8_t ReceivedByte = 0;\r
 \r
-       if ((USB_HostState != HOST_STATE_Configured) || !(CDCInterfaceInfo->State.Active))\r
+       if ((USB_HostState != HOST_STATE_Configured) || !(CDCInterfaceInfo->State.IsActive))\r
          return ReceivedByte;\r
          \r
        Pipe_SelectPipe(CDCInterfaceInfo->Config.DataINPipeNumber);     \r