rusb.h
来自「最新版IAR FOR ARM（EWARM）5.11中的代码例子」· C头文件 代码 · 共 562 行 · 第 1/2 页
H
562 行
//-----------------------------------------------------------------------------
// RUSB
//-----------------------------------------------------------------------------
#ifndef HAL_RUSB_H
#define HAL_RUBS_H
//-----------------------------------------------------------------------------
#include "hal_map.h"
#include "rsystem.h"
//-----------------------------------------------------------------------------
//CONFR
//-----------------------------------------------------------------------------
#define CONFR_nUSB_ENABLE 0x00000002UL /*enable means clear this bit*/
//-----------------------------------------------------------------------------
// TD (Host Controller Transfer Descriptor)
//-----------------------------------------------------------------------------
// TD->CONTROL (TDC)
//-----------------------------------------------------------------------------
#define TDC_R_BUFER_EXACT_FILL 0x00
#define TDC_R_BUFFER_ROUNDING 0x01
#define TDC_DP_SETUP 0x00
#define TDC_DP_OUT 0x01
#define TDC_DP_IN 0x02
#define TDC_DI_INTERRUPT_DELAY 0x01
#define TDC_DI_NO_INTERRUPT 0x07
#define TDC_CC_CONDITION_CODE 0x0F
#define TDC_T_DATA0 0x02
#define TDC_T_DATA1 0x03
#define TDC_EC_RETIRE 0x03 // ErrorCount, if > 2, retired this TD with ConditionCode set
#define TDC_CC_SET 0x0F // ConditionCode
//-----------------------------------------------------------------------------
// tTD
//-----------------------------------------------------------------------------
typedef struct _TD {
vu32 Control;
u8 *CBP; // phys ptr to the buffer
struct _TD *NextTD; // phys ptr to HC_TRANSFER_DESCRIPTOR
u8 *BE; // phys ptr to the end of buffer (the last byte)
} tTD;
//-----------------------------------------------------------------------------
// ED (Host Controller Endpoint Descriptor)
//-----------------------------------------------------------------------------
// ED->CONTROL (EDC)
//-----------------------------------------------------------------------------
#define EDC_FA 0x7FU
#define EDC_EN 0x0FU
#define EDC_D_SEE_TD 0x00
#define EDC_D_OUT 0x01
#define EDC_D_IN 0x02
#define EDC_S_FULL_SPEED 0x00
#define EDC_S_LOW_SPEED 0x01
#define EDC_K_NO_SKIP 0x00
#define EDC_K_SKIP 0x01
#define EDC_F_GENERAL 0x00
#define EDC_F_ISOCHRONOUS 0x01
//-----------------------------------------------------------------------------
// ED->HEADP (EDH)
//-----------------------------------------------------------------------------
#define EDH_HALT 0x00000001UL // hardware stopped bit
#define EDH_CARRY 0x00000002UL // hardware toggle carry bit
//-----------------------------------------------------------------------------
// tED
//-----------------------------------------------------------------------------
typedef struct _ED {
vu32 Control;
tTD *TailP; //physical pointer to HC_TRANSFER_DESCRIPTOR
tTD *HeadP; //flags + phys ptr to HC_TRANSFER_DESCRIPTOR
struct _ED *NextED; //phys ptr to HC_ENDPOINT_DESCRIPTOR
} tED;
//-----------------------------------------------------------------------------
// ControlPacket
//-----------------------------------------------------------------------------
// bmRequestType (BMRT)
//-----------------------------------------------------------------------------
#define BMRT_HOST_TO_DEVICE 0x00U
#define BMRT_DEVICE_TO_HOST 0x80U
//and
#define BMRT_STANDARD 0x00U
#define BMRT_CLASS 0x20U
#define BMRT_VENDOR 0x40U
//and
#define BMRT_DEVICE 0x00U
#define BMRT_INTERFACE 0x01U
#define BMRT_ENDPOINT 0x02U
#define BMRT_OTHER 0x03U
//-----------------------------------------------------------------------------
// bRequest (BR)
//-----------------------------------------------------------------------------
#define BR_GET_STATUS 0
#define BR_CLEAR_FEATURE 1
#define BR_CR_RESERVED2 2
#define BR_SET_FEATURE 3
#define BR_CR_RESERVED4 4
#define BR_SET_ADDRESS 5
#define BR_GET_DESCRIPTOR 6
#define BR_SET_DESCRIPTOR 7
#define BR_GET_CONFIGURATION 8
#define BR_SET_CONFIGURATION 9
#define BR_GET_INTERFACE 10
#define BR_SET_INTERFACE 11
#define BR_SYNCH_FRAME 12
//-----------------------------------------------------------------------------
//wValue
//-----------------------------------------------------------------------------
#define WV_DEVICE_DESCRIPTOR (1<<8)
#define WV_CONFIGURATION_DESCRIPTOR (2<<8)
#define WV_STRING_DESCRIPTOR (3<<8)
#define WV_INTERFACE_DESCRIPTOR (4<<8)
#define WV_ENDPOINT_DESCRIPTOR (5<<8)
#define WV_DEVICE_QUALIFIER (6<<8)
#define WV_OTHER_SPEED_CONFIG (7<<8)
#define WV_INTERFACE_POWER (8<<8)
//#define WV_HID_DESCRIPTOR 0x21
//#define WV_HUB_DESCRIPTOR 0x29
//-----------------------------------------------------------------------------
// tControlPacket
//-----------------------------------------------------------------------------
typedef struct { // 8 bytes
u8 bmRequestType;
u8 bRequest;
u16 wValue;
u16 wIndex;
u16 wLength;
} tControlPacket;
//-----------------------------------------------------------------------------
// HCCA
//-----------------------------------------------------------------------------
typedef struct { // size: 256 bytes
tED *InterruptList[32]; // phys ptr to HC_ENDPOINT_DESCRIPTOR
vu16 FrameNumber;
vu16 Pad1; // set to zero on each write access to HccaFrameNumber
vu32 DoneHead; // phys ptr to HC_TRANSFER_DESCRIPTOR
vu32 Reserved[30];
} tHCCA;
//-----------------------------------------------------------------------------
// REGISTERS
//-----------------------------------------------------------------------------
// HcControl (HCC)
//-----------------------------------------------------------------------------
#define HCC_CBSR 0x00000003UL
#define HCC_PLE 0x00000004UL
#define HCC_IE 0x00000008UL
#define HCC_CLE 0x00000010UL
#define HCC_BLE 0x00000020UL
#define HCC_HCFS 0x000000C0UL
#define HCC_HCFS_USBRESET 0x00000000UL
#define HCC_HCFS_USBRESUME 0x00000040UL
#define HCC_HCFS_USBOPERATIONAL 0x00000080UL
#define HCC_HCFS_USBSUSPEND 0x000000C0UL
#define HCC_IR 0x00000100UL
#define HCC_RWC 0x00000200UL
#define HCC_RWE 0x00000400UL
//-----------------------------------------------------------------------------
// HcCommandStatus (HCCS)
//-----------------------------------------------------------------------------
#define HCCS_HCR 0x00000001UL
#define HCCS_CLF 0x00000002UL
#define HCCS_BLF 0x00000004UL
#define HCCS_OCR 0x00000008UL
#define HCCS_SOC 0x00030000UL
//-----------------------------------------------------------------------------
// HcInterruptEnable & HcInterruptDisable & HcInterruptStatus
//-----------------------------------------------------------------------------
#define HCI_SO 0x00000001UL
#define HCI_WDH 0x00000002UL
#define HCI_SF 0x00000004UL
#define HCI_RD 0x00000008UL
#define HCI_UE 0x00000010UL
#define HCI_FNO 0x00000020UL
#define HCI_RHSC 0x00000040UL
#define HCI_OC 0x40000000UL
#define HCI_MIE 0x80000000UL
//-----------------------------------------------------------------------------
// HcRhDescriptorA
//-----------------------------------------------------------------------------
#define HCRHDA_NOCP 0x00001000UL //NoOverCurrentProtection
#define HCRHDA_NPS 0x00000200UL //NoPoweSwithing
//-----------------------------------------------------------------------------
// HcRhDescriptorB
//-----------------------------------------------------------------------------
#define HCRHDA_PPCM_PORT1_MASK_ON 0x00020000 //PortPowerControlMask
#define HCRHDA_DP_PORT1_NO_REMOVABLE 0x00000002 //DeviceRemovable
//-----------------------------------------------------------------------------
// HcRhStatus (HCRHS)
//-----------------------------------------------------------------------------
#define HCRHS_LPSC_POWER_ON 0x00010000
//-----------------------------------------------------------------------------
// HcRhPortStatus Register (HCRHPS)
//-----------------------------------------------------------------------------
#define HCRHPS_CCS 0x00000001UL //CurrentConnectStatus: 0 = no device connected, 1 = device connected
#define HCRHPS_PES 0x00000002UL //PortEnableStatus: 0 = port is disabled, 1 = port is enabled
#define HCRHPS_PSS 0x00000004UL //PortSuspendStatus:0 = port is not suspended, 1 = port is suspended
#define HCRHPS_POCI 0x00000008UL //PortOverCurrentIndicator: 0 = no overcurrent condition. 1 = overcurrent condition detected
#define HCRHPS_PRS 0x00000010UL //PortResetStatus: 0 = port reset signal is not active, 1 = port reset signal is active
#define HCRHPS_PPS 0x00000100UL //PortPowerStatus: 0 = port power is off, 1 = port power is on
#define HCRHPS_LSDA 0x00000200UL //LowSpeedDeviceAttached: 0 = full speed device attached, 1 = low speed device attached
#define HCRHPS_CSC 0x00010000UL //ConnectStatusChange
#define HCRHPS_PESC 0x00020000UL //PortEnableStatusChange
#define HCRHPS_PSSC 0x00040000UL //PortSuspendStatusChange
#define HCRHPS_OCIC 0x00080000UL //PortOverCurrentIndicatorChange
#define HCRHPS_PRSC 0x00100000UL //PortResetStatusChange
#define HCRHPS_CHANGES_MASK (HCRHPS_CSC | HCRHPS_PESC | HCRHPS_PSSC | HCRHPS_OCIC | HCRHPS_PRSC)
//-----------------------------------------------------------------------------
// USB setup structures
//-----------------------------------------------------------------------------
// Descriptor
//-----------------------------------------------------------------------------
typedef struct {
u8 bLength; // length in bytes of this descriptor
u8 bDescriptorType; // descriptor ID (RTU_DEVICE_DESCRIPTOR = 1)
u16 bcdUSB; // USB version (BCD format)
u8 bDeviceClass; // the device's class
u8 bDeviceSubClass; // and subclass
u8 bDeviceProtocol; // and protocol
u8 bMaxPacketSize0; // default control pipe max packet len
} tDeviceDescriptor0;
typedef struct {
u16 idVendor; // vendor ID
u16 idProduct; // product ID
u16 bcdDevice; // device's version (BCD format)
u8 iManufacturer; // index of vendor's string descriptor
u8 iProduct; // index of product's string descriptor
} tDeviceDescriptor1;
typedef struct {
u8 iSerialNumber; // index of product's serial number
u8 bNumConfigurations; // number of available configurations
} tDeviceDescriptor2;
//-----------------------------------------------------------------------------
typedef struct {
u8 Buttons;
s8 DeltaX;
s8 DeltaY;
s8 DeltaZ;
} tMouseData;
//-----------------------------------------------------------------------------
typedef struct {
tDeviceDescriptor0 *DeviceDescriptor0;
tDeviceDescriptor1 *DeviceDescriptor1;
tDeviceDescriptor2 *DeviceDescriptor2;
u8 *Configuration;
u8 *Interface;
tMouseData *MouseData;
u8 DataValid;
} tDEVICE;
//-----------------------------------------------------------------------------
typedef struct {
vu32 HcRevision,
HcControl,
HcCommandStatus,
HcInterruptStatus,
HcInterruptEnable,
HcInterruptDisable;
tHCCA *HcHCCA; // phys ptr to HCCA
tED *HcPeriodCurrentED, // phys ptr to HC_ENDPOINT_DESCRIPTOR
*HcControlHeadED, // phys ptr to HC_ENDPOINT_DESCRIPTOR
*HcControlCurrentED, // phys ptr to HC_ENDPOINT_DESCRIPTOR
*HcBulkHeadED, // phys ptr to HC_ENDPOINT_DESCRIPTOR
⌨️ 快捷键说明
复制代码Ctrl + C
搜索代码Ctrl + F
全屏模式F11
增大字号Ctrl + =
减小字号Ctrl + -
显示快捷键?