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USBHostLite/usbhost_lpc17xx.h
- Committer:
- ms523
- Date:
- 2011-11-06
- Revision:
- 0:5934350323b2
File content as of revision 0:5934350323b2:
/*
**************************************************************************************************************
* NXP USB Host Stack
*
* (c) Copyright 2008, NXP SemiConductors
* (c) Copyright 2008, OnChip Technologies LLC
* All Rights Reserved
*
* www.nxp.com
* www.onchiptech.com
*
* File : usbhost_lpc17xx.h
* Programmer(s) : Ravikanth.P
* Version :
*
**************************************************************************************************************
*/
#ifndef USBHOST_LPC17xx_H
#define USBHOST_LPC17xx_H
/*
**************************************************************************************************************
* INCLUDE HEADER FILES
**************************************************************************************************************
*/
#include "usbhost_inc.h"
/*
**************************************************************************************************************
* PRINT CONFIGURATION
**************************************************************************************************************
*/
#define PRINT_ENABLE 1
#if PRINT_ENABLE
#define PRINT_Log(...) printf(__VA_ARGS__)
#define PRINT_Err(rc) printf("ERROR: In %s at Line %u - rc = %d\n", __FUNCTION__, __LINE__, rc)
#else
#define PRINT_Log(...) do {} while(0)
#define PRINT_Err(rc) do {} while(0)
#endif
/*
**************************************************************************************************************
* GENERAL DEFINITIONS
**************************************************************************************************************
*/
#define DESC_LENGTH(x) x[0]
#define DESC_TYPE(x) x[1]
#define HOST_GET_DESCRIPTOR(descType, descIndex, data, length) \
Host_CtrlRecv(USB_DEVICE_TO_HOST | USB_RECIPIENT_DEVICE, GET_DESCRIPTOR, \
(descType << 8)|(descIndex), 0, length, data)
#define HOST_SET_ADDRESS(new_addr) \
Host_CtrlSend(USB_HOST_TO_DEVICE | USB_RECIPIENT_DEVICE, SET_ADDRESS, \
new_addr, 0, 0, NULL)
#define USBH_SET_CONFIGURATION(configNum) \
Host_CtrlSend(USB_HOST_TO_DEVICE | USB_RECIPIENT_DEVICE, SET_CONFIGURATION, \
configNum, 0, 0, NULL)
#define USBH_SET_INTERFACE(ifNum, altNum) \
Host_CtrlSend(USB_HOST_TO_DEVICE | USB_RECIPIENT_INTERFACE, SET_INTERFACE, \
altNum, ifNum, 0, NULL)
/*
**************************************************************************************************************
* OHCI OPERATIONAL REGISTER FIELD DEFINITIONS
**************************************************************************************************************
*/
/* ------------------ HcControl Register --------------------- */
#define OR_CONTROL_CLE 0x00000010
#define OR_CONTROL_BLE 0x00000020
#define OR_CONTROL_HCFS 0x000000C0
#define OR_CONTROL_HC_OPER 0x00000080
/* ----------------- HcCommandStatus Register ----------------- */
#define OR_CMD_STATUS_HCR 0x00000001
#define OR_CMD_STATUS_CLF 0x00000002
#define OR_CMD_STATUS_BLF 0x00000004
/* --------------- HcInterruptStatus Register ----------------- */
#define OR_INTR_STATUS_WDH 0x00000002
#define OR_INTR_STATUS_RHSC 0x00000040
/* --------------- HcInterruptEnable Register ----------------- */
#define OR_INTR_ENABLE_WDH 0x00000002
#define OR_INTR_ENABLE_RHSC 0x00000040
#define OR_INTR_ENABLE_MIE 0x80000000
/* ---------------- HcRhDescriptorA Register ------------------ */
#define OR_RH_STATUS_LPSC 0x00010000
#define OR_RH_STATUS_DRWE 0x00008000
/* -------------- HcRhPortStatus[1:NDP] Register -------------- */
#define OR_RH_PORT_CCS 0x00000001
#define OR_RH_PORT_PRS 0x00000010
#define OR_RH_PORT_CSC 0x00010000
#define OR_RH_PORT_PRSC 0x00100000
/*
**************************************************************************************************************
* FRAME INTERVAL
**************************************************************************************************************
*/
#define FI 0x2EDF /* 12000 bits per frame (-1) */
#define DEFAULT_FMINTERVAL ((((6 * (FI - 210)) / 7) << 16) | FI)
/*
**************************************************************************************************************
* TRANSFER DESCRIPTOR CONTROL FIELDS
**************************************************************************************************************
*/
#define TD_ROUNDING (USB_INT32U) (0x00040000) /* Buffer Rounding */
#define TD_SETUP (USB_INT32U)(0) /* Direction of Setup Packet */
#define TD_IN (USB_INT32U)(0x00100000) /* Direction In */
#define TD_OUT (USB_INT32U)(0x00080000) /* Direction Out */
#define TD_DELAY_INT(x) (USB_INT32U)((x) << 21) /* Delay Interrupt */
#define TD_TOGGLE_0 (USB_INT32U)(0x02000000) /* Toggle 0 */
#define TD_TOGGLE_1 (USB_INT32U)(0x03000000) /* Toggle 1 */
#define TD_CC (USB_INT32U)(0xF0000000) /* Completion Code */
/*
**************************************************************************************************************
* USB STANDARD REQUEST DEFINITIONS
**************************************************************************************************************
*/
#define USB_DESCRIPTOR_TYPE_DEVICE 1
#define USB_DESCRIPTOR_TYPE_CONFIGURATION 2
#define USB_DESCRIPTOR_TYPE_INTERFACE 4
#define USB_DESCRIPTOR_TYPE_ENDPOINT 5
/* ----------- Control RequestType Fields ----------- */
#define USB_DEVICE_TO_HOST 0x80
#define USB_HOST_TO_DEVICE 0x00
#define USB_REQUEST_TYPE_CLASS 0x20
#define USB_RECIPIENT_DEVICE 0x00
#define USB_RECIPIENT_INTERFACE 0x01
/* -------------- USB Standard Requests -------------- */
#define SET_ADDRESS 5
#define GET_DESCRIPTOR 6
#define SET_CONFIGURATION 9
#define SET_INTERFACE 11
/*
**************************************************************************************************************
* TYPE DEFINITIONS
**************************************************************************************************************
*/
typedef struct hcEd { /* ----------- HostController EndPoint Descriptor ------------- */
volatile USB_INT32U Control; /* Endpoint descriptor control */
volatile USB_INT32U TailTd; /* Physical address of tail in Transfer descriptor list */
volatile USB_INT32U HeadTd; /* Physcial address of head in Transfer descriptor list */
volatile USB_INT32U Next; /* Physical address of next Endpoint descriptor */
} HCED;
typedef struct hcTd { /* ------------ HostController Transfer Descriptor ------------ */
volatile USB_INT32U Control; /* Transfer descriptor control */
volatile USB_INT32U CurrBufPtr; /* Physical address of current buffer pointer */
volatile USB_INT32U Next; /* Physical pointer to next Transfer Descriptor */
volatile USB_INT32U BufEnd; /* Physical address of end of buffer */
} HCTD;
typedef struct hcca { /* ----------- Host Controller Communication Area ------------ */
volatile USB_INT32U IntTable[32]; /* Interrupt Table */
volatile USB_INT32U FrameNumber; /* Frame Number */
volatile USB_INT32U DoneHead; /* Done Head */
volatile USB_INT08U Reserved[116]; /* Reserved for future use */
volatile USB_INT08U Unknown[4]; /* Unused */
} HCCA;
/*
**************************************************************************************************************
* EXTERN DECLARATIONS
**************************************************************************************************************
*/
extern volatile HCED *EDBulkIn; /* BulkIn endpoint descriptor structure */
extern volatile HCED *EDBulkOut; /* BulkOut endpoint descriptor structure */
extern volatile HCTD *TDHead; /* Head transfer descriptor structure */
extern volatile HCTD *TDTail; /* Tail transfer descriptor structure */
extern volatile USB_INT08U *TDBuffer; /* Current Buffer Pointer of transfer descriptor */
/*
**************************************************************************************************************
* FUNCTION PROTOTYPES
**************************************************************************************************************
*/
void Host_Init (void);
extern "C" void USB_IRQHandler(void) __irq;
USB_INT32S Host_EnumDev (void);
USB_INT32S Host_ProcessTD(volatile HCED *ed,
volatile USB_INT32U token,
volatile USB_INT08U *buffer,
USB_INT32U buffer_len);
void Host_DelayUS ( USB_INT32U delay);
void Host_DelayMS ( USB_INT32U delay);
void Host_TDInit (volatile HCTD *td);
void Host_EDInit (volatile HCED *ed);
void Host_HCCAInit (volatile HCCA *hcca);
USB_INT32S Host_CtrlRecv ( USB_INT08U bm_request_type,
USB_INT08U b_request,
USB_INT16U w_value,
USB_INT16U w_index,
USB_INT16U w_length,
volatile USB_INT08U *buffer);
USB_INT32S Host_CtrlSend ( USB_INT08U bm_request_type,
USB_INT08U b_request,
USB_INT16U w_value,
USB_INT16U w_index,
USB_INT16U w_length,
volatile USB_INT08U *buffer);
void Host_FillSetup( USB_INT08U bm_request_type,
USB_INT08U b_request,
USB_INT16U w_value,
USB_INT16U w_index,
USB_INT16U w_length);
void Host_WDHWait (void);
USB_INT32U ReadLE32U (volatile USB_INT08U *pmem);
void WriteLE32U (volatile USB_INT08U *pmem,
USB_INT32U val);
USB_INT16U ReadLE16U (volatile USB_INT08U *pmem);
void WriteLE16U (volatile USB_INT08U *pmem,
USB_INT16U val);
USB_INT32U ReadBE32U (volatile USB_INT08U *pmem);
void WriteBE32U (volatile USB_INT08U *pmem,
USB_INT32U val);
USB_INT16U ReadBE16U (volatile USB_INT08U *pmem);
void WriteBE16U (volatile USB_INT08U *pmem,
USB_INT16U val);
#endif