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/*
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**************************************************************************************************************
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* NXP USB Host Stack
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*
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* (c) Copyright 2008, NXP SemiConductors
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* (c) Copyright 2008, OnChip Technologies LLC
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* All Rights Reserved
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*
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* www.nxp.com
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* www.onchiptech.com
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*
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* File : usbhost_lpc17xx.h
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* Programmer(s) : Ravikanth.P
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* Version :
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*
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**************************************************************************************************************
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*/
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#ifndef USBHOST_LPC17xx_H
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#define USBHOST_LPC17xx_H
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/*
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**************************************************************************************************************
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* INCLUDE HEADER FILES
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**************************************************************************************************************
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*/
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#include "usbhost_inc.h"
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/*
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**************************************************************************************************************
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* PRINT CONFIGURATION
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**************************************************************************************************************
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*/
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#define PRINT_ENABLE 1
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#if PRINT_ENABLE
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#define PRINT_Log(...) printf(__VA_ARGS__)
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#define PRINT_Err(rc) printf("ERROR: In %s at Line %u - rc = %d\n", __FUNCTION__, __LINE__, rc)
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#else
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#define PRINT_Log(...) do {} while(0)
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#define PRINT_Err(rc) do {} while(0)
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#endif
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/*
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**************************************************************************************************************
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* GENERAL DEFINITIONS
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**************************************************************************************************************
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*/
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#define DESC_LENGTH(x) x[0]
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#define DESC_TYPE(x) x[1]
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#define HOST_GET_DESCRIPTOR(descType, descIndex, data, length) \
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Host_CtrlRecv(USB_DEVICE_TO_HOST | USB_RECIPIENT_DEVICE, GET_DESCRIPTOR, \
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(descType << 8)|(descIndex), 0, length, data)
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#define HOST_SET_ADDRESS(new_addr) \
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Host_CtrlSend(USB_HOST_TO_DEVICE | USB_RECIPIENT_DEVICE, SET_ADDRESS, \
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new_addr, 0, 0, NULL)
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#define USBH_SET_CONFIGURATION(configNum) \
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Host_CtrlSend(USB_HOST_TO_DEVICE | USB_RECIPIENT_DEVICE, SET_CONFIGURATION, \
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configNum, 0, 0, NULL)
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#define USBH_SET_INTERFACE(ifNum, altNum) \
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Host_CtrlSend(USB_HOST_TO_DEVICE | USB_RECIPIENT_INTERFACE, SET_INTERFACE, \
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altNum, ifNum, 0, NULL)
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/*
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**************************************************************************************************************
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* OHCI OPERATIONAL REGISTER FIELD DEFINITIONS
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**************************************************************************************************************
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*/
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80
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/* ------------------ HcControl Register --------------------- */
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#define OR_CONTROL_CLE 0x00000010
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#define OR_CONTROL_BLE 0x00000020
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#define OR_CONTROL_HCFS 0x000000C0
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#define OR_CONTROL_HC_OPER 0x00000080
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/* ----------------- HcCommandStatus Register ----------------- */
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#define OR_CMD_STATUS_HCR 0x00000001
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#define OR_CMD_STATUS_CLF 0x00000002
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#define OR_CMD_STATUS_BLF 0x00000004
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/* --------------- HcInterruptStatus Register ----------------- */
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#define OR_INTR_STATUS_WDH 0x00000002
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#define OR_INTR_STATUS_RHSC 0x00000040
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/* --------------- HcInterruptEnable Register ----------------- */
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#define OR_INTR_ENABLE_WDH 0x00000002
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#define OR_INTR_ENABLE_RHSC 0x00000040
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#define OR_INTR_ENABLE_MIE 0x80000000
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/* ---------------- HcRhDescriptorA Register ------------------ */
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#define OR_RH_STATUS_LPSC 0x00010000
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#define OR_RH_STATUS_DRWE 0x00008000
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/* -------------- HcRhPortStatus[1:NDP] Register -------------- */
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#define OR_RH_PORT_CCS 0x00000001
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#define OR_RH_PORT_PRS 0x00000010
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#define OR_RH_PORT_CSC 0x00010000
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#define OR_RH_PORT_PRSC 0x00100000
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/*
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**************************************************************************************************************
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* FRAME INTERVAL
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**************************************************************************************************************
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*/
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#define FI 0x2EDF /* 12000 bits per frame (-1) */
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#define DEFAULT_FMINTERVAL ((((6 * (FI - 210)) / 7) << 16) | FI)
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/*
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**************************************************************************************************************
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* TRANSFER DESCRIPTOR CONTROL FIELDS
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**************************************************************************************************************
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*/
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#define TD_ROUNDING (USB_INT32U) (0x00040000) /* Buffer Rounding */
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#define TD_SETUP (USB_INT32U)(0) /* Direction of Setup Packet */
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#define TD_IN (USB_INT32U)(0x00100000) /* Direction In */
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#define TD_OUT (USB_INT32U)(0x00080000) /* Direction Out */
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#define TD_DELAY_INT(x) (USB_INT32U)((x) << 21) /* Delay Interrupt */
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#define TD_TOGGLE_0 (USB_INT32U)(0x02000000) /* Toggle 0 */
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#define TD_TOGGLE_1 (USB_INT32U)(0x03000000) /* Toggle 1 */
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#define TD_CC (USB_INT32U)(0xF0000000) /* Completion Code */
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/*
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**************************************************************************************************************
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* USB STANDARD REQUEST DEFINITIONS
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**************************************************************************************************************
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*/
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#define USB_DESCRIPTOR_TYPE_DEVICE 1
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#define USB_DESCRIPTOR_TYPE_CONFIGURATION 2
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#define USB_DESCRIPTOR_TYPE_INTERFACE 4
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#define USB_DESCRIPTOR_TYPE_ENDPOINT 5
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/* ----------- Control RequestType Fields ----------- */
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#define USB_DEVICE_TO_HOST 0x80
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#define USB_HOST_TO_DEVICE 0x00
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#define USB_REQUEST_TYPE_CLASS 0x20
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#define USB_RECIPIENT_DEVICE 0x00
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#define USB_RECIPIENT_INTERFACE 0x01
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/* -------------- USB Standard Requests -------------- */
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#define SET_ADDRESS 5
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#define GET_DESCRIPTOR 6
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#define SET_CONFIGURATION 9
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#define SET_INTERFACE 11
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/*
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**************************************************************************************************************
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* TYPE DEFINITIONS
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**************************************************************************************************************
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*/
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typedef struct hcEd { /* ----------- HostController EndPoint Descriptor ------------- */
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volatile USB_INT32U Control; /* Endpoint descriptor control */
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volatile USB_INT32U TailTd; /* Physical address of tail in Transfer descriptor list */
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volatile USB_INT32U HeadTd; /* Physcial address of head in Transfer descriptor list */
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volatile USB_INT32U Next; /* Physical address of next Endpoint descriptor */
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} HCED;
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typedef struct hcTd { /* ------------ HostController Transfer Descriptor ------------ */
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volatile USB_INT32U Control; /* Transfer descriptor control */
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volatile USB_INT32U CurrBufPtr; /* Physical address of current buffer pointer */
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volatile USB_INT32U Next; /* Physical pointer to next Transfer Descriptor */
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volatile USB_INT32U BufEnd; /* Physical address of end of buffer */
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} HCTD;
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typedef struct hcca { /* ----------- Host Controller Communication Area ------------ */
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volatile USB_INT32U IntTable[32]; /* Interrupt Table */
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volatile USB_INT32U FrameNumber; /* Frame Number */
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volatile USB_INT32U DoneHead; /* Done Head */
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volatile USB_INT08U Reserved[116]; /* Reserved for future use */
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volatile USB_INT08U Unknown[4]; /* Unused */
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} HCCA;
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/*
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**************************************************************************************************************
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* EXTERN DECLARATIONS
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**************************************************************************************************************
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*/
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extern volatile HCED *EDBulkIn; /* BulkIn endpoint descriptor structure */
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extern volatile HCED *EDBulkOut; /* BulkOut endpoint descriptor structure */
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extern volatile HCTD *TDHead; /* Head transfer descriptor structure */
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extern volatile HCTD *TDTail; /* Tail transfer descriptor structure */
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extern volatile USB_INT08U *TDBuffer; /* Current Buffer Pointer of transfer descriptor */
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/*
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**************************************************************************************************************
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* FUNCTION PROTOTYPES
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195
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**************************************************************************************************************
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*/
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void Host_Init (void);
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200
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extern "C" void USB_IRQHandler(void) __irq;
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201
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202
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USB_INT32S Host_EnumDev (void);
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203
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USB_INT32S Host_ProcessTD(volatile HCED *ed,
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volatile USB_INT32U token,
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volatile USB_INT08U *buffer,
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USB_INT32U buffer_len);
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209
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void Host_DelayUS ( USB_INT32U delay);
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void Host_DelayMS ( USB_INT32U delay);
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212
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void Host_TDInit (volatile HCTD *td);
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void Host_EDInit (volatile HCED *ed);
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void Host_HCCAInit (volatile HCCA *hcca);
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217
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USB_INT32S Host_CtrlRecv ( USB_INT08U bm_request_type,
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USB_INT08U b_request,
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USB_INT16U w_value,
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USB_INT16U w_index,
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USB_INT16U w_length,
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volatile USB_INT08U *buffer);
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223
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USB_INT32S Host_CtrlSend ( USB_INT08U bm_request_type,
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USB_INT08U b_request,
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USB_INT16U w_value,
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USB_INT16U w_index,
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USB_INT16U w_length,
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volatile USB_INT08U *buffer);
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230
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void Host_FillSetup( USB_INT08U bm_request_type,
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USB_INT08U b_request,
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USB_INT16U w_value,
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USB_INT16U w_index,
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USB_INT16U w_length);
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237
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void Host_WDHWait (void);
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239
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240
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USB_INT32U ReadLE32U (volatile USB_INT08U *pmem);
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void WriteLE32U (volatile USB_INT08U *pmem,
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USB_INT32U val);
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USB_INT16U ReadLE16U (volatile USB_INT08U *pmem);
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void WriteLE16U (volatile USB_INT08U *pmem,
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USB_INT16U val);
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USB_INT32U ReadBE32U (volatile USB_INT08U *pmem);
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void WriteBE32U (volatile USB_INT08U *pmem,
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USB_INT32U val);
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250
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USB_INT16U ReadBE16U (volatile USB_INT08U *pmem);
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void WriteBE16U (volatile USB_INT08U *pmem,
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USB_INT16U val);
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#endif
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Markus Paar