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