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/*
* FreeRTOS V202107.00
* Copyright (C) 2020 Amazon.com, Inc. or its affiliates. All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy of
* this software and associated documentation files (the "Software"), to deal in
* the Software without restriction, including without limitation the rights to
* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
* the Software, and to permit persons to whom the Software is furnished to do so,
* subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
* http://www.FreeRTOS.org
* http://aws.amazon.com/freertos
*
* 1 tab == 4 spaces!
*/
#ifndef USB_CDC_H
#define USB_CDC_H
#include "usb.h"
#define USB_CDC_QUEUE_SIZE 200
/* Structure used to take a snapshot of the USB status from within the ISR. */
typedef struct X_ISR_STATUS
{
unsigned long ulISR;
unsigned long ulCSR0;
unsigned char ucFifoData[ 8 ];
} xISRStatus;
/* Structure used to hold the received requests. */
typedef struct
{
unsigned char ucReqType;
unsigned char ucRequest;
unsigned short usValue;
unsigned short usIndex;
unsigned short 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 char ucBuffer[ usbMAX_CONTROL_MESSAGE_SIZE ];
unsigned long ulNextCharIndex;
unsigned long 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( char cByte );
#endif
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