2 * FreeRTOS Kernel V10.0.0
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3 * Copyright (C) 2017 Amazon.com, Inc. or its affiliates. All Rights Reserved.
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5 * Permission is hereby granted, free of charge, to any person obtaining a copy of
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6 * this software and associated documentation files (the "Software"), to deal in
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7 * the Software without restriction, including without limitation the rights to
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8 * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
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9 * the Software, and to permit persons to whom the Software is furnished to do so,
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10 * subject to the following conditions:
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12 * The above copyright notice and this permission notice shall be included in all
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13 * copies or substantial portions of the Software. If you wish to use our Amazon
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14 * FreeRTOS name, please do so in a fair use way that does not cause confusion.
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16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
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18 * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
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19 * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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20 * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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21 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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23 * http://www.FreeRTOS.org
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24 * http://aws.amazon.com/freertos
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26 * 1 tab == 4 spaces!
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34 #define USB_CDC_QUEUE_SIZE 200
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36 /* Structure used to take a snapshot of the USB status from within the ISR. */
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37 typedef struct X_ISR_STATUS
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39 unsigned long ulISR;
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40 unsigned long ulCSR0;
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41 unsigned char ucFifoData[ 8 ];
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44 /* Structure used to hold the received requests. */
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47 unsigned char ucReqType;
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48 unsigned char ucRequest;
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49 unsigned short usValue;
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50 unsigned short usIndex;
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51 unsigned short usLength;
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60 eSENDING_EVEN_DESCRIPTOR,
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64 /* Structure used to control the data being sent to the host. */
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67 unsigned char ucBuffer[ usbMAX_CONTROL_MESSAGE_SIZE ];
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68 unsigned long ulNextCharIndex;
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69 unsigned long ulTotalDataLength;
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72 /*-----------------------------------------------------------*/
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73 void vUSBCDCTask( void *pvParameters );
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75 /* Send cByte down the USB port. Characters are simply buffered and not
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76 sent unless the port is connected. */
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77 void vUSBSendByte( char cByte );
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