X-Git-Url: http://git.linex4red.de/pub/USBasp.git/blobdiff_plain/b7b8a9edfacb000c138eb6e7ad77c515c3a82050..d66a925786e4e57713a2c902cdffe7269db43226:/LUFA/Drivers/USB/Class/Host/Printer.c?ds=inline

diff --git a/LUFA/Drivers/USB/Class/Host/Printer.c b/LUFA/Drivers/USB/Class/Host/Printer.c
index 6c55f6aa1..99977e5a7 100644
--- a/LUFA/Drivers/USB/Class/Host/Printer.c
+++ b/LUFA/Drivers/USB/Class/Host/Printer.c
@@ -125,6 +125,11 @@ static uint8_t DCOMP_PRNT_NextPRNTInterfaceEndpoint(void* CurrentDescriptor)
 	return DESCRIPTOR_SEARCH_NotFound;
 }
 
+void PRNT_Host_USBTask(USB_ClassInfo_PRNT_Host_t* const PRNTInterfaceInfo)
+{
+	PRNT_Host_Flush(PRNTInterfaceInfo);
+}
+
 uint8_t PRNT_Host_SetBidirectionalMode(USB_ClassInfo_PRNT_Host_t* const PRNTInterfaceInfo)
 {
 	if (PRNTInterfaceInfo->State.AlternateSetting)
@@ -182,9 +187,64 @@ uint8_t PRNT_Host_SoftReset(USB_ClassInfo_PRNT_Host_t* const PRNTInterfaceInfo)
 	return USB_Host_SendControlRequest(NULL);
 }
 
-uint8_t PRNT_Host_SendData(USB_ClassInfo_PRNT_Host_t* const PRNTInterfaceInfo,
-                           void* PrinterCommands,
-                           const uint16_t CommandSize)
+uint8_t PRNT_Host_Flush(USB_ClassInfo_PRNT_Host_t* const PRNTInterfaceInfo)
+{
+	if ((USB_HostState != HOST_STATE_Configured) || !(PRNTInterfaceInfo->State.IsActive))
+	  return PIPE_READYWAIT_DeviceDisconnected;
+	  
+	uint8_t ErrorCode;
+
+	Pipe_SelectPipe(PRNTInterfaceInfo->Config.DataOUTPipeNumber);	
+	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;
+}
+
+uint8_t PRNT_Host_SendByte(USB_ClassInfo_PRNT_Host_t* const PRNTInterfaceInfo,
+                           const uint8_t Data)
+{
+	if ((USB_HostState != HOST_STATE_Configured) || !(PRNTInterfaceInfo->State.IsActive))
+	  return PIPE_READYWAIT_DeviceDisconnected;
+	  
+	uint8_t ErrorCode;
+
+	Pipe_SelectPipe(PRNTInterfaceInfo->Config.DataOUTPipeNumber);	
+	Pipe_Unfreeze();
+	
+	if (!(Pipe_IsReadWriteAllowed()))
+	{
+		Pipe_ClearOUT();
+
+		if ((ErrorCode = Pipe_WaitUntilReady()) != PIPE_READYWAIT_NoError)
+		  return ErrorCode;
+	}
+
+	Pipe_Write_Byte(Data);	
+	Pipe_Freeze();
+	
+	return PIPE_READYWAIT_NoError;
+}
+
+uint8_t PRNT_Host_SendString(USB_ClassInfo_PRNT_Host_t* const PRNTInterfaceInfo,
+                             void* Buffer,
+                             const uint16_t Length)
 {
 	uint8_t ErrorCode;
 
@@ -194,19 +254,70 @@ uint8_t PRNT_Host_SendData(USB_ClassInfo_PRNT_Host_t* const PRNTInterfaceInfo,
 	Pipe_SelectPipe(PRNTInterfaceInfo->Config.DataOUTPipeNumber);
 	Pipe_Unfreeze();
 	
-	if ((ErrorCode = Pipe_Write_Stream_LE(PrinterCommands, CommandSize, NO_STREAM_CALLBACK)) != PIPE_RWSTREAM_NoError)
+	if ((ErrorCode = Pipe_Write_Stream_LE(Buffer, Length, NO_STREAM_CALLBACK)) != PIPE_RWSTREAM_NoError)
 	  return ErrorCode;
 
 	Pipe_ClearOUT();
-	while (!(Pipe_IsOUTReady()))
+	
+	ErrorCode = Pipe_WaitUntilReady();
+	
+	Pipe_Freeze();
+
+	return ErrorCode;
+}
+
+uint16_t PRNT_Host_BytesReceived(USB_ClassInfo_PRNT_Host_t* const PRNTInterfaceInfo)
+{
+	if ((USB_HostState != HOST_STATE_Configured) || !(PRNTInterfaceInfo->State.IsActive))
+	  return 0;
+	
+	Pipe_SelectPipe(PRNTInterfaceInfo->Config.DataINPipeNumber);
+	Pipe_Unfreeze();
+
+	if (Pipe_IsINReceived())
 	{
-		if (USB_HostState == HOST_STATE_Unattached)
-		  return PIPE_RWSTREAM_DeviceDisconnected;
+		if (!(Pipe_BytesInPipe()))
+		{
+			Pipe_ClearIN();
+			Pipe_Freeze();
+			return 0;
+		}
+		else
+		{
+			Pipe_Freeze();
+			return Pipe_BytesInPipe();
+		}
+	}
+	else
+	{
+		Pipe_Freeze();
+		
+		return 0;
+	}
+}
+
+int16_t PRNT_Host_ReceiveByte(USB_ClassInfo_PRNT_Host_t* const PRNTInterfaceInfo)
+{
+	if ((USB_HostState != HOST_STATE_Configured) || !(PRNTInterfaceInfo->State.IsActive))
+	  return PIPE_RWSTREAM_DeviceDisconnected;
+
+	int16_t ReceivedByte = -1;
+
+	Pipe_SelectPipe(PRNTInterfaceInfo->Config.DataINPipeNumber);
+	Pipe_Unfreeze();
+
+	if (Pipe_IsINReceived())
+	{
+		if (Pipe_BytesInPipe())
+		  ReceivedByte = Pipe_Read_Byte();
+
+		if (!(Pipe_BytesInPipe()))
+		  Pipe_ClearIN();
 	}
 	
 	Pipe_Freeze();
 
-	return PIPE_RWSTREAM_NoError;
+	return ReceivedByte;
 }
 
 uint8_t PRNT_Host_GetDeviceID(USB_ClassInfo_PRNT_Host_t* const PRNTInterfaceInfo,