2 * @brief Declare common macros, variables that can be shared between
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3 * DCD (Endpoint_LPCxxxx, Device_LPCxxxx) and (Endpoint_LPC, EndpointStream_LPC)
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6 * Copyright(C) NXP Semiconductors, 2012
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7 * All rights reserved.
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10 * Software that is described herein is for illustrative purposes only
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11 * which provides customers with programming information regarding the
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12 * LPC products. This software is supplied "AS IS" without any warranties of
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13 * any kind, and NXP Semiconductors and its licensor disclaim any and
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14 * all warranties, express or implied, including all implied warranties of
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15 * merchantability, fitness for a particular purpose and non-infringement of
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16 * intellectual property rights. NXP Semiconductors assumes no responsibility
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17 * or liability for the use of the software, conveys no license or rights under any
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18 * patent, copyright, mask work right, or any other intellectual property rights in
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19 * or to any products. NXP Semiconductors reserves the right to make changes
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20 * in the software without notification. NXP Semiconductors also makes no
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21 * representation or warranty that such application will be suitable for the
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22 * specified use without further testing or modification.
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25 * Permission to use, copy, modify, and distribute this software and its
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26 * documentation is hereby granted, under NXP Semiconductors' and its
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27 * licensor's relevant copyrights in the software, without fee, provided that it
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28 * is used in conjunction with NXP Semiconductors microcontrollers. This
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29 * copyright, permission, and disclaimer notice must appear in all copies of
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33 /** @ingroup Group_EndpointManagement
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34 * @defgroup Group_EndpointCommon Endpoint Buffer for Writing and Reading
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35 * @brief Endpoint Buffer for Writing and Reading.
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40 #ifndef __ENDPOINT_COMMON_H__
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41 #define __ENDPOINT_COMMON_H__
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44 #include "../HAL/HAL.h"
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47 /** Size of share memory buffer that a device uses to communicate with host. */
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48 #define USB_DATA_BUFFER_TEM_LENGTH 512
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50 /* Global Variables: */
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51 /** Share memory buffer. */
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52 /* Control EP buffer */
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53 extern uint8_t usb_data_buffer[][USB_DATA_BUFFER_TEM_LENGTH];
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54 /* Non-Control EP IN buffer */
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55 extern uint8_t usb_data_buffer_IN[][USB_DATA_BUFFER_TEM_LENGTH];
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56 /* Non-Control EP OUT buffer */
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57 extern uint8_t usb_data_buffer_OUT[][USB_DATA_BUFFER_TEM_LENGTH];
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58 /* Control EP buffer size */
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59 extern volatile int32_t usb_data_buffer_size[];
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60 /* Non-Control EP OUT buffer index */
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61 extern volatile uint32_t usb_data_buffer_OUT_size[];
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62 /** Indexer rolling along the share memory buffer. Used to determine the offset
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63 * of next read/write activities on share memory buffer or the total amount of data
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66 extern volatile uint32_t usb_data_buffer_index[];
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67 extern volatile uint32_t usb_data_buffer_IN_index[];
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68 extern volatile uint32_t usb_data_buffer_OUT_index[];
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69 /** Store the current selected endpoint number, always the logical endpint number.
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70 * Usually used as index of endpointhandle array.
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72 extern uint8_t endpointselected[];
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73 /** Array to store the physical endpoint number or the actual endpoint number that need
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74 * to be configured for any USB transactions.
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76 extern uint8_t endpointhandle0[];
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77 extern uint8_t endpointhandle1[];
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79 #define endpointhandle(corenum) ((corenum) ? endpointhandle1 : endpointhandle0)
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80 #endif /* __ENDPOINT_COMMON_H__ */
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