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drv/usb/UsbInc.h
- Committer:
- segundo
- Date:
- 2010-11-09
- Revision:
- 0:ac1725ba162c
File content as of revision 0:ac1725ba162c:
/* Copyright (c) 2010 Donatien Garnier (donatiengar [at] gmail [dot] com) 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. */ #ifndef USB_INC_H #define USB_INC_H #include "mbed.h" #define MIN(a,b) ((a)<(b)?(a):(b)) #define MAX(a,b) ((a)>(b)?(a):(b)) //typedef int32_t RC; typedef uint8_t byte; typedef uint16_t word; enum UsbErr { __USBERR_MIN = -0xFFFF, USBERR_DISCONNECTED, USBERR_NOTFOUND, USBERR_BADCONFIG, USBERR_PROCESSING, USBERR_HALTED, //Transfer on an ep is stalled USBERR_BUSY, USBERR_TDFAIL, USBERR_ERROR, USBERR_OK = 0 }; /* From NXP's USBHostLite stack's usbhost_lpc17xx.h */ /* Only the types names have been changed to avoid unecessary typedefs */ /* ************************************************************************************************************** * 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 : * ************************************************************************************************************** */ /* ************************************************************************************************************** * 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 #define OR_INTR_STATUS_UE 0x00000010 /* --------------- 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) /* ************************************************************************************************************** * ENDPOINT DESCRIPTOR CONTROL FIELDS ************************************************************************************************************** */ #define ED_SKIP (uint32_t) (0x00001000) /* Skip this ep in queue */ /* ************************************************************************************************************** * TRANSFER DESCRIPTOR CONTROL FIELDS ************************************************************************************************************** */ #define TD_ROUNDING (uint32_t) (0x00040000) /* Buffer Rounding */ #define TD_SETUP (uint32_t)(0) /* Direction of Setup Packet */ #define TD_IN (uint32_t)(0x00100000) /* Direction In */ #define TD_OUT (uint32_t)(0x00080000) /* Direction Out */ #define TD_DELAY_INT(x) (uint32_t)((x) << 21) /* Delay Interrupt */ #define TD_TOGGLE_0 (uint32_t)(0x02000000) /* Toggle 0 */ #define TD_TOGGLE_1 (uint32_t)(0x03000000) /* Toggle 1 */ #define TD_CC (uint32_t)(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 uint32_t Control; /* Endpoint descriptor control */ volatile uint32_t TailTd; /* Physical address of tail in Transfer descriptor list */ volatile uint32_t HeadTd; /* Physcial address of head in Transfer descriptor list */ volatile uint32_t Next; /* Physical address of next Endpoint descriptor */ } HCED; typedef struct hcTd { /* ------------ HostController Transfer Descriptor ------------ */ volatile uint32_t Control; /* Transfer descriptor control */ volatile uint32_t CurrBufPtr; /* Physical address of current buffer pointer */ volatile uint32_t Next; /* Physical pointer to next Transfer Descriptor */ volatile uint32_t BufEnd; /* Physical address of end of buffer */ } HCTD; typedef struct hcca { /* ----------- Host Controller Communication Area ------------ */ volatile uint32_t IntTable[32]; /* Interrupt Table */ volatile uint32_t FrameNumber; /* Frame Number */ volatile uint32_t DoneHead; /* Done Head */ volatile uint8_t Reserved[116]; /* Reserved for future use */ volatile uint8_t Unknown[4]; /* Unused */ } HCCA; #endif