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, 146 insertions, 0 deletions

diff --git a/openpicc/os/usb/usb.h b/openpicc/os/usb/usb.h
new file mode 100644
index 0000000..86d98f9
--- /dev/null
+++ b/openpicc/os/usb/usb.h
@@ -0,0 +1,146 @@
+/*
+	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.
+	***************************************************************************
+*/
+
+/* Descriptor type definitions. */
+#define usbDESCRIPTOR_TYPE_DEVICE			( 0x01 )
+#define usbDESCRIPTOR_TYPE_CONFIGURATION		( 0x02 )
+#define usbDESCRIPTOR_TYPE_STRING			( 0x03 )
+
+/* USB request type definitions. */
+#define usbGET_REPORT_REQUEST				( 0x01 )
+#define usbGET_IDLE_REQUEST				( 0x02 )
+#define usbGET_PROTOCOL_REQUEST				( 0x03 )
+#define usbSET_REPORT_REQUEST				( 0x09 )
+#define usbSET_IDLE_REQUEST				( 0x0A )
+#define usbSET_PROTOCOL_REQUEST				( 0x0B )
+#define usbGET_CONFIGURATION_REQUEST			( 0x08 )
+#define usbGET_STATUS_REQUEST				( 0x00 )
+#define usbCLEAR_FEATURE_REQUEST			( 0x01 )
+#define usbSET_FEATURE_REQUEST				( 0x03 )
+#define usbSET_ADDRESS_REQUEST				( 0x05 )
+#define usbGET_DESCRIPTOR_REQUEST			( 0x06 )
+#define usbSET_CONFIGURATION_REQUEST			( 0x09 )
+#define usbGET_INTERFACE_REQUEST			( 0x0A )
+#define usbSET_INTERFACE_REQUEST			( 0x0B )
+
+/* ACM Requests */
+#define usbSEND_ENCAPSULATED_COMMAND			( 0x00 )
+#define usbGET_ENCAPSULATED_RESPONSE			( 0x01 )
+#define usbSET_LINE_CODING				( 0x20 )
+#define usbGET_LINE_CODING				( 0x21 )
+#define usbSET_CONTROL_LINE_STATE			( 0x22 )
+
+/* Misc USB definitions. */
+#define usbDEVICE_CLASS_VENDOR_SPECIFIC			( 0xFF )
+#define usbBUS_POWERED					( 0x80 )
+#define usbHID_REPORT_DESCRIPTOR			( 0x22 )
+#define AT91C_UDP_TRANSCEIVER_ENABLE		( *( ( unsigned long * ) 0xfffb0074 ) )
+
+/* Index to the various string. */
+#define usbLANGUAGE_STRING				( 0 )
+#define usbMANUFACTURER_STRING				( 1 )
+#define usbPRODUCT_STRING				( 2 )
+#define usbCONFIGURATION_STRING				( 3 )
+#define usbINTERFACE_STRING				( 4 )
+
+/* Defines fields of standard SETUP request.  Now in normal order. */
+#define usbREQUEST_TYPE_INDEX				( 0 )
+#define usbREQUEST_INDEX				( 1 )
+#define usbVALUE_HIGH_BYTE				( 3 )
+#define usbVALUE_LOW_BYTE				( 2 )
+#define usbINDEX_HIGH_BYTE				( 5 )
+#define usbINDEX_LOW_BYTE				( 4 )
+#define usbLENGTH_HIGH_BYTE				( 7 )
+#define usbLENGTH_LOW_BYTE				( 6 )
+
+/* Misc application definitions. */
+#define usbINTERRUPT_PRIORITY				( 3 )
+#define usbQUEUE_LENGTH					( 0x3 )	/* Must have all bits set! */
+#define usbFIFO_LENGTH					( ( unsigned portLONG ) 8 )
+#define usbEND_POINT_0					( 0 )
+#define usbEND_POINT_1					( 1 )
+#define usbEND_POINT_2					( 2 )
+#define usbEND_POINT_3					( 3 )
+#define usbMAX_CONTROL_MESSAGE_SIZE			( 128 )
+#define usbRX_COUNT_MASK				( ( unsigned portLONG ) 0x7ff )
+#define usbSHORTEST_DELAY				( ( portTickType ) 1 )
+#define usbINIT_DELAY					( ( portTickType ) 1000 / portTICK_RATE_MS )
+#define usbSHORT_DELAY					( ( portTickType ) 50 / portTICK_RATE_MS )
+#define usbEND_POINT_RESET_MASK				( ( unsigned portLONG ) 0x0f )
+#define usbDATA_INC					( ( portCHAR ) 5 )
+#define usbEXPECTED_NUMBER_OF_BYTES			( ( unsigned portLONG ) 8 )
+
+/* Control request types. */
+#define usbSTANDARD_DEVICE_REQUEST			( 0 )
+#define usbSTANDARD_INTERFACE_REQUEST			( 1 )
+#define usbSTANDARD_END_POINT_REQUEST			( 2 )
+#define usbCLASS_INTERFACE_REQUEST			( 5 )
+
+
+/* Macros to manipulate the control and status registers.  These registers 
+cannot be accessed using a direct read modify write operation outside of the 
+ISR as some bits are left unchanged by writing with a 0, and some are left 
+unchanged by writing with a 1. */
+
+
+#define usbCSR_SET_BIT( pulValueNow, ulBit )											\
+{																						\
+	/* Set TXCOMP, RX_DATA_BK0, RXSETUP, */												\
+	/* STALLSENT and RX_DATA_BK1 to 1 so the */											\
+	/* write has no effect. */															\
+	( * ( ( unsigned portLONG * ) pulValueNow ) ) |= ( unsigned portLONG ) 0x4f;		\
+																						\
+	/* Clear the FORCE_STALL and TXPKTRDY bits */										\
+	/* so the write has no effect. */													\
+	( * ( ( unsigned portLONG * ) pulValueNow ) ) &= ( unsigned portLONG ) 0xffffffcf;	\
+																						\
+	/* Set whichever bit we want set. */												\
+	( * ( ( unsigned portLONG * ) pulValueNow ) ) |= ( ulBit );							\
+}
+
+#define usbCSR_CLEAR_BIT( pulValueNow, ulBit )											\
+{																						\
+	/* Set TXCOMP, RX_DATA_BK0, RXSETUP, */												\
+	/* STALLSENT and RX_DATA_BK1 to 1 so the */											\
+	/* write has no effect. */															\
+	( * ( ( unsigned portLONG * ) pulValueNow ) ) |= ( unsigned portLONG ) 0x4f;		\
+																						\
+	/* Clear the FORCE_STALL and TXPKTRDY bits */										\
+	/* so the write has no effect. */													\
+	( * ( ( unsigned portLONG * ) pulValueNow ) ) &= ( unsigned portLONG ) 0xffffffcf;	\
+																						\
+	/* Clear whichever bit we want clear. */											\
+	( * ( ( unsigned portLONG * ) pulValueNow ) ) &= ( ~ulBit );						\
+}