Initial import of FreeRTOS code for OpenPICC

git-svn-id: https://svn.openpcd.org:2342/trunk@311 6dc7ffe9-61d6-0310-9af1-9938baff3ed1

1 files changed, 87 insertions, 0 deletions

diff --git a/openpicc/os/usb/USB-CDC.h b/openpicc/os/usb/USB-CDC.h
new file mode 100644
index 0000000..894ebfb
--- /dev/null
+++ b/openpicc/os/usb/USB-CDC.h
@@ -0,0 +1,87 @@
+/*
+	FreeRTOS.org V4.2.1 - Copyright (C) 2003-2007 Richard Barry.
+
+	This file is part of the FreeRTOS.org distribution.
+
+	FreeRTOS.org is free software; you can redistribute it and/or modify
+	it under the terms of the GNU General Public License as published by
+	the Free Software Foundation; either version 2 of the License, or
+	(at your option) any later version.
+
+	FreeRTOS.org is distributed in the hope that it will be useful,
+	but WITHOUT ANY WARRANTY; without even the implied warranty of
+	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+	GNU General Public License for more details.
+
+	You should have received a copy of the GNU General Public License
+	along with FreeRTOS.org; if not, write to the Free Software
+	Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+
+	A special exception to the GPL can be applied should you wish to distribute
+	a combined work that includes FreeRTOS.org, without being obliged to provide
+	the source code for any proprietary components.  See the licensing section
+	of http://www.FreeRTOS.org for full details of how and when the exception
+	can be applied.
+
+	***************************************************************************
+	See http://www.FreeRTOS.org for documentation, latest information, license
+	and contact details.  Please ensure to read the configuration and relevant
+	port sections of the online documentation.
+
+	Also see http://www.SafeRTOS.com for an IEC 61508 compliant version along
+	with commercial development and support options.
+	***************************************************************************
+*/
+
+#ifndef USB_CDC_H
+#define USB_CDC_H
+
+#include "usb.h"
+
+#define USB_CDC_QUEUE_SIZE    1024
+
+/* Structure used to take a snapshot of the USB status from within the ISR. */
+typedef struct X_ISR_STATUS
+{
+  unsigned portLONG ulISR;
+  unsigned portLONG ulCSR0;
+  unsigned portCHAR ucFifoData[8];
+} xISRStatus;
+
+/* Structure used to hold the received requests. */
+typedef struct
+{
+  unsigned portCHAR ucReqType;
+  unsigned portCHAR ucRequest;
+  unsigned portSHORT usValue;
+  unsigned portSHORT usIndex;
+  unsigned portSHORT usLength;
+} xUSB_REQUEST;
+
+typedef enum
+{
+  eNOTHING,
+  eJUST_RESET,
+  eJUST_GOT_CONFIG,
+  eJUST_GOT_ADDRESS,
+  eSENDING_EVEN_DESCRIPTOR,
+  eREADY_TO_SEND
+} eDRIVER_STATE;
+
+/* Structure used to control the data being sent to the host. */
+typedef struct
+{
+  unsigned portCHAR ucBuffer[usbMAX_CONTROL_MESSAGE_SIZE];
+  unsigned portLONG ulNextCharIndex;
+  unsigned portLONG ulTotalDataLength;
+} xCONTROL_MESSAGE;
+
+/*-----------------------------------------------------------*/
+void vUSBCDCTask (void *pvParameters);
+
+/* Send cByte down the USB port.  Characters are simply buffered and not
+sent unless the port is connected. */
+void vUSBSendByte (portCHAR cByte);
+portLONG vUSBRecvByte (portCHAR *cByte,portLONG size, portTickType xTicksToWait);
+
+#endif