📄 usblib.h
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#ifndef __USBLIB_H__
#define __USBLIB_H__
#include "s3c2410.h"
#define PWR_REG_DEFAULT_VALUE (DISABLE_SUSPEND)
#define BULK_PKT_SIZE 64
/* Power Management Register */
#define DISABLE_SUSPEND 0x00
#define ENABLE_SUSPEND 0x01
#define SUSPEND_MODE 0x02
#define MCU_RESUME 0x04
#define ISO_UPDATE (1<<7)
/* MAXP Register */
#define FIFO_SIZE_0 0x00 /* 0x00 * 8 = 0 */
#define FIFO_SIZE_8 0x01 /* 0x01 * 8 = 8 */
#define FIFO_SIZE_16 0x02 /* 0x02 * 8 = 16 */
#define FIFO_SIZE_32 0x04 /* 0x04 * 8 = 32 */
#define FIFO_SIZE_64 0x08 /* 0x08 * 8 = 64 */
/* ENDPOINT0 CSR (Control Status Register) : Mapped to IN CSR1 */
#define EP0_OUT_PKT_READY 0x01 /* USB sets, MCU clears by setting SERVICED_OUT_PKT_RDY */
#define EP0_IN_PKT_READY 0x02 /* MCU sets, USB clears after sending FIFO */
#define EP0_SENT_STALL 0x04 /* USB sets */
#define EP0_DATA_END 0x08 /* MCU sets */
#define EP0_SETUP_END 0x10 /* USB sets, MCU clears by setting SERVICED_SETUP_END */
#define EP0_SEND_STALL 0x20 /* MCU sets */
#define EP0_SERVICED_OUT_PKT_RDY 0x40 /* MCU writes 1 to clear OUT_PKT_READY */
#define EP0_SERVICED_SETUP_END 0x80 /* MCU writes 1 to clear SETUP_END */
#define EP0_WR_BITS 0xc0
//EP_INT_REG / EP_INT_EN_REG
#define EP0_INT 0x01 // Endpoint 0, Control
#define EP1_INT 0x02 // Endpoint 1, (Bulk-In)
#define EP2_INT 0x04 // Endpoint 2
#define EP3_INT 0x08 // Endpoint 3, (Bulk-Out)
#define EP4_INT 0x10 // Endpoint 4
//USB_INT_REG / USB_INT_EN_REG
#define SUSPEND_INT 0x01
#define RESUME_INT 0x02
#define RESET_INT 0x04
//IN_CSR1
#define EPI_IN_PKT_READY 0x01
#define EPI_UNDER_RUN 0x04
#define EPI_FIFO_FLUSH 0x08
#define EPI_SEND_STALL 0x10
#define EPI_SENT_STALL 0x20
#define EPI_CDT 0x40
#define EPI_WR_BITS (EPI_FIFO_FLUSH|EPI_IN_PKT_READY|EPI_CDT)
//(EPI_FIFO_FLUSH) is preferred (???)
//IN_CSR2
#define EPI_IN_DMA_INT_MASK (1<<4)
#define EPI_MODE_IN (1<<5)
#define EPI_MODE_OUT (0<<5)
#define EPI_ISO (1<<6)
#define EPI_BULK (0<<6)
#define EPI_AUTO_SET (1<<7)
//OUT_CSR1
#define EPO_OUT_PKT_READY 0x01
#define EPO_OVER_RUN 0x04
#define EPO_DATA_ERROR 0x08
#define EPO_FIFO_FLUSH 0x10
#define EPO_SEND_STALL 0x20
#define EPO_SENT_STALL 0x40
#define EPO_CDT 0x80
#define EPO_WR_BITS (EPO_FIFO_FLUSH|EPO_SEND_STALL|EPO_CDT)
//(EPO_FIFO_FLUSH) is preferred (???)
//OUT_CSR2
#define EPO_OUT_DMA_INT_MASK (1<<5)
#define EPO_ISO (1<<6)
#define EPO_BULK (0<<6)
#define EPO_AUTO_CLR (1<<7)
//USB DMA control register
#define UDMA_IN_RUN_OB (1<<7)
#define UDMA_IGNORE_TTC (1<<7)
#define UDMA_DEMAND_MODE (1<<3)
#define UDMA_OUT_RUN_OB (1<<2)
#define UDMA_OUT_DMA_RUN (1<<2)
#define UDMA_IN_DMA_RUN (1<<1)
#define UDMA_DMA_MODE_EN (1<<0)
#define rEP1_DMA_TTC (rEP1_DMA_TTC_L+(rEP1_DMA_TTC_M<<8)+(rEP1_DMA_TTC_H<<16))
#define rEP2_DMA_TTC (rEP2_DMA_TTC_L+(rEP2_DMA_TTC_M<<8)+(rEP2_DMA_TTC_H<<16))
#define rEP3_DMA_TTC (rEP3_DMA_TTC_L+(rEP3_DMA_TTC_M<<8)+(rEP3_DMA_TTC_H<<16))
#define rEP4_DMA_TTC (rEP4_DMA_TTC_L+(rEP4_DMA_TTC_M<<8)+(rEP4_DMA_TTC_H<<16))
#define ADDR_EP0_FIFO (0x520001c0) //Endpoint 0 FIFO
#define ADDR_EP1_FIFO (0x520001c4) //Endpoint 1 FIFO
#define ADDR_EP2_FIFO (0x520001c8) //Endpoint 2 FIFO
#define ADDR_EP3_FIFO (0x520001cc) //Endpoint 3 FIFO
#define ADDR_EP4_FIFO (0x520001d0) //Endpoint 4 FIFO
//If you chane the packet size, the source code should be changed!!!
#define EP0_PKT_SIZE 8
#define EP1_PKT_SIZE BULK_PKT_SIZE
#define EP3_PKT_SIZE BULK_PKT_SIZE
#define EP0_STATE_INIT (0)
//NOTE: The ep0State value in a same group should be added by 1.
#define EP0_STATE_GD_DEV_0 (10) //10-10=0
#define EP0_STATE_GD_DEV_1 (11) //11-10=1
#define EP0_STATE_GD_DEV_2 (12) //12-10=2
#define EP0_STATE_GD_CFG_0 (20)
#define EP0_STATE_GD_CFG_1 (21)
#define EP0_STATE_GD_CFG_2 (22)
#define EP0_STATE_GD_CFG_3 (23)
#define EP0_STATE_GD_CFG_4 (24)
#define EP0_STATE_GD_CFG_ONLY_0 (40)
#define EP0_STATE_GD_CFG_ONLY_1 (41)
#define EP0_STATE_GD_IF_ONLY_0 (42)
#define EP0_STATE_GD_IF_ONLY_1 (43)
#define EP0_STATE_GD_EP0_ONLY_0 (44)
#define EP0_STATE_GD_EP1_ONLY_0 (45)
#define EP0_INTERFACE_GET (46)
#define EP0_STATE_GD_STR_I0 (30)
#define EP0_STATE_GD_STR_I1 (31)
#define EP0_STATE_GD_STR_I2 (32)
#define EP0_CONFIG_SET (33)
#define EP0_GET_STATUS0 (35)
#define EP0_GET_STATUS1 (36)
#define EP0_GET_STATUS2 (37)
#define EP0_GET_STATUS3 (38)
#define EP0_GET_STATUS4 (39)
// Standard bmRequestTyje (Direction)
#define HOST_TO_DEVICE (0x00)
#define DEVICE_TO_HOST (0x80)
// Standard bmRequestType (Type)
#define STANDARD_TYPE (0x00)
#define CLASS_TYPE (0x20)
#define VENDOR_TYPE (0x40)
#define RESERVED_TYPE (0x60)
// Standard bmRequestType (Recipient)
#define DEVICE_RECIPIENT (0)
#define INTERFACE_RECIPIENT (1)
#define ENDPOINT_RECIPIENT (2)
#define OTHER_RECIPIENT (3)
// Feature Selectors
#define DEVICE_REMOTE_WAKEUP (1)
#define EP_STALL (0)
// Standard Request Codes
#define GET_STATUS (0)
#define CLEAR_FEATURE (1)
#define SET_FEATURE (3)
#define SET_ADDRESS (5)
#define GET_DESCRIPTOR (6)
#define SET_DESCRIPTOR (7)
#define GET_CONFIGURATION (8)
#define SET_CONFIGURATION (9)
#define GET_INTERFACE (10)
#define SET_INTERFACE (11)
#define SYNCH_FRAME (12)
// Class-specific Request Codes
#define GET_DEVICE_ID (0)
#define GET_PORT_STATUS (1)
#define SOFT_RESET (2)
// Descriptor Types
#define DEVICE_TYPE (1)
#define CONFIGURATION_TYPE (2)
#define STRING_TYPE (3)
#define INTERFACE_TYPE (4)
#define ENDPOINT_TYPE (5)
//configuration descriptor: bmAttributes
#define CONF_ATTR_DEFAULT (0x80) //Spec 1.0 it was BUSPOWERED bit.
#define CONF_ATTR_REMOTE_WAKEUP (0x20)
#define CONF_ATTR_SELFPOWERED (0x40)
//endpoint descriptor
#define EP_ADDR_IN (0x80)
#define EP_ADDR_OUT (0x00)
#define EP_ATTR_CONTROL (0x0)
#define EP_ATTR_ISOCHRONOUS (0x1)
#define EP_ATTR_BULK (0x2)
#define EP_ATTR_INTERRUPT (0x3)
//string descriptor
#define LANGID_US_L (0x09)
#define LANGID_US_H (0x04)
#define Inquiry 0x12 //索取器件信息
#define Mode_Sense 0x1A //向Host传输参数
#define Read10 0x28 //读数据
#define Read_Capacity 0x25 //查询容量
#define Read_Format_Capacities 0x23 //查询容量 及可用空间
#define Test_Unit_Ready 0x00 //
#define Verify 0x2F //验证数据
#define Write10 0x2A //写数据
#define Medium_Removal 0x1E //写保护
#define SCSI_MSPGCD_TPP 0x1C
#define SCSI_MSPGCD_RETALL 0x3F
#define Off_Block 0
struct USB_SETUP_DATA{
U8 bmRequestType;
U8 bRequest;
U8 bValueL;
U8 bValueH;
U8 bIndexL;
U8 bIndexH;
U8 bLengthL;
U8 bLengthH;
};
struct USB_DEVICE_DESCRIPTOR{
U8 bLength;
U8 bDescriptorType;
U8 bcdUSBL;
U8 bcdUSBH;
U8 bDeviceClass;
U8 bDeviceSubClass;
U8 bDeviceProtocol;
U8 bMaxPacketSize0;
U8 idVendorL;
U8 idVendorH;
U8 idProductL;
U8 idProductH;
U8 bcdDeviceL;
U8 bcdDeviceH;
U8 iManufacturer;
U8 iProduct;
U8 iSerialNumber;
U8 bNumConfigurations;
};
struct USB_CONFIGURATION_DESCRIPTOR{
U8 bLength;
U8 bDescriptorType;
U8 wTotalLengthL;
U8 wTotalLengthH;
U8 bNumInterfaces;
U8 bConfigurationValue;
U8 iConfiguration;
U8 bmAttributes;
U8 maxPower;
};
struct USB_INTERFACE_DESCRIPTOR{
U8 bLength;
U8 bDescriptorType;
U8 bInterfaceNumber;
U8 bAlternateSetting;
U8 bNumEndpoints;
U8 bInterfaceClass;
U8 bInterfaceSubClass;
U8 bInterfaceProtocol;
U8 iInterface;
};
struct USB_ENDPOINT_DESCRIPTOR{
U8 bLength;
U8 bDescriptorType;
U8 bEndpointAddress;
U8 bmAttributes;
U8 wMaxPacketSizeL;
U8 wMaxPacketSizeH;
U8 bInterval;
};
struct USB_CONFIGURATION_SET{
U8 ConfigurationValue;
};
struct USB_GET_STATUS{
U8 Device;
U8 Interface;
U8 Endpoint0;
U8 Endpoint1;
U8 Endpoint3;
};
struct USB_INTERFACE_GET{
U8 AlternateSetting;
};
#endif //__USBLIB_H__
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