📄 usb._h
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#ifndef __USB__H
#define __USB__H
#include "stdtypes.h"
#include <iom128v.h>
#define USB_SP PG4
#define D12_INT PE3
//#define D12_DATA (*(UNS8 *)0x3000) //A13=1,A12=1 CS_USB=0,USB_A0=0
//#define D12_COMMAND (*(UNS8 *)0x2000) //A13=1,A12=0 CS_USB=0,USB_A0=1
//D12访问地址
#define D12_DATA 0x3000 //A13=1,A12=1 CS_USB=0,USB_A0=0
#define D12_COMMAND 0x2000 //A13=1,A12=0 CS_USB=0,USB_A0=1
#define DISABLE CLI()
#define ENABLE SEI()
#define D12_NOLAZYCLOCK 0x02
#define D12_CLOCKRUNNING 0x04
#define D12_INTERRUPTMODE 0x08
#define D12_SOFTCONNECT 0x10
#define D12_ENDP_NONISO 0x00
#define D12_ENDP_ISOOUT 0x40
#define D12_ENDP_ISOIN 0x80
#define D12_ENDP_ISOIO 0xC0
#define D12_CLOCK_12M 0x03
#define D12_CLOCK_4M 0x0b
#define D12_SETTOONE 0x40
#define D12_SOFONLY 0x80
#define D12_DMASINGLE 0x00
#define D12_BURST_4 0x01
#define D12_BURST_8 0x02
#define D12_BURST_16 0x03
#define D12_DMAENABLE 0x04
#define D12_DMA_INTOKEN 0x08
#define D12_AUTOLOAD 0x10
#define D12_NORMALPLUSSOF 0x20
#define D12_ENDP4INTENABLE 0x40
#define D12_ENDP5INTENABLE 0x80 // bug fixed in V2.1
#define D12_INT_ENDP0OUT 0x01
#define D12_INT_ENDP0IN 0x02
#define D12_INT_ENDP1OUT 0x04
#define D12_INT_ENDP1IN 0x08
#define D12_INT_ENDP2OUT 0x10
#define D12_INT_ENDP2IN 0x20
#define D12_INT_BUSRESET 0x40
#define D12_INT_SUSPENDCHANGE 0x80
#define D12_INT_EOT 0x0100
#define D12_SETUPPACKET 0x20
#define D12_BUFFER0FULL 0x20
#define D12_BUFFER1FULL 0x40
#define D12_FULLEMPTY 0x01
#define D12_STALL 0x02
#define MAX_ENDPOINTS (UNS8)0x3
#define EP0_TX_FIFO_SIZE 16
#define EP0_RX_FIFO_SIZE 16
#define EP0_PACKET_SIZE 16
#define EP1_TX_FIFO_SIZE 4
#define EP1_RX_FIFO_SIZE 4
#define EP1_PACKET_SIZE 4
#define EP2_PACKET_SIZE 64
#define USB_IDLE 0
#define USB_TRANSMIT 1
#define USB_RECEIVE 2
#define USB_CLASS_CODE_TEST_CLASS_DEVICE 0xdc
#define USB_SUBCLASS_CODE_TEST_CLASS_D12 0xA0
#define USB_PROTOCOL_CODE_TEST_CLASS_D12 0xB0
#define USB_RECIPIENT (UNS8)0x1F
#define USB_RECIPIENT_DEVICE (UNS8)0x00
#define USB_RECIPIENT_INTERFACE (UNS8)0x01
#define USB_RECIPIENT_ENDPOINT (UNS8)0x02
#define USB_REQUEST_TYPE_MASK (UNS8)0x60
#define USB_STANDARD_REQUEST (UNS8)0x00
#define USB_REQUEST_MASK (UNS8)0x0F
#define DEVICE_ADDRESS_MASK 0x7F
#define MAX_CONTROLDATA_SIZE 8
typedef struct _device_request
{
UNS8 bmRequestType; //请求类型
UNS8 bRequest; //USB请求
UNS16 wValue; //USB请求值
UNS16 wIndex; //USB请求索引
UNS16 wLength; //计数长度
} DEVICE_REQUEST;
//定义USB事件标志数据类型
//低位开始存放
typedef union _epp_flags
{
struct _flags
{
unsigned bus_reset : 1, suspend : 1;
unsigned setup_packet : 1, remote_wakeup : 1;
unsigned in_isr : 1, configuration : 1;
unsigned control_state : 2;
unsigned ep1_rxdone : 1, main_rxdone : 1;
unsigned setup_dma : 2; // V2.3
unsigned Reserve : 2;
unsigned Reserve1 : 2;
} bits;
UNS16 value;
} EPPFLAGS;
typedef struct _control_xfer
{
DEVICE_REQUEST DeviceRequest; //USB请求结构体
unsigned short wLength; //传输数据的总字节数
unsigned short wCount; //传输字节数统计
UNS8 * pData; //传输数据指针
UNS8 dataBuffer[MAX_CONTROLDATA_SIZE]; //请求的数据
} CONTROL_XFER;
#define MAXIMUM_USB_STRING_LENGTH 255
// values for the bits returned by the USB GET_STATUS command
#define USB_GETSTATUS_SELF_POWERED 0x01
#define USB_GETSTATUS_REMOTE_WAKEUP_ENABLED 0x02
#define USB_DEVICE_DESCRIPTOR_TYPE 0x01
#define USB_CONFIGURATION_DESCRIPTOR_TYPE 0x02
#define USB_STRING_DESCRIPTOR_TYPE 0x03
#define USB_INTERFACE_DESCRIPTOR_TYPE 0x04
#define USB_ENDPOINT_DESCRIPTOR_TYPE 0x05
#define USB_POWER_DESCRIPTOR_TYPE 0x06
#define USB_DESCRIPTOR_MAKE_TYPE_AND_INDEX(d, i) ((USHORT)((USHORT)d<<8 | i))
// Values for bmAttributes field of an
// endpoint descriptor
//
#define USB_ENDPOINT_TYPE_MASK 0x03
#define USB_ENDPOINT_TYPE_CONTROL 0x00
#define USB_ENDPOINT_TYPE_ISOCHRONOUS 0x01
#define USB_ENDPOINT_TYPE_BULK 0x02
#define USB_ENDPOINT_TYPE_INTERRUPT 0x03
//
// definitions for bits in the bmAttributes field of a
// configuration descriptor.
//
#define USB_CONFIG_POWERED_MASK 0xc0
#define USB_CONFIG_BUS_POWERED 0x80
#define USB_CONFIG_SELF_POWERED 0x40
#define USB_CONFIG_REMOTE_WAKEUP 0x20
//
// Endpoint direction bit, stored in address
//
#define USB_ENDPOINT_DIRECTION_MASK 0x80
// test direction bit in the bEndpointAddress field of
// an endpoint descriptor.
#define USB_ENDPOINT_DIRECTION_OUT(addr) (!((addr) & USB_ENDPOINT_DIRECTION_MASK))
#define USB_ENDPOINT_DIRECTION_IN(addr) ((addr) & USB_ENDPOINT_DIRECTION_MASK)
//
// USB defined request codes
// see chapter 9 of the USB 1.0 specifcation for
// more information.
//
// These are the correct values based on the USB 1.0
// specification
#define USB_REQUEST_GET_STATUS 0x00
#define USB_REQUEST_CLEAR_FEATURE 0x01
#define USB_REQUEST_SET_FEATURE 0x03
#define USB_REQUEST_SET_ADDRESS 0x05
#define USB_REQUEST_GET_DESCRIPTOR 0x06
#define USB_REQUEST_SET_DESCRIPTOR 0x07
#define USB_REQUEST_GET_CONFIGURATION 0x08
#define USB_REQUEST_SET_CONFIGURATION 0x09
#define USB_REQUEST_GET_INTERFACE 0x0A
#define USB_REQUEST_SET_INTERFACE 0x0B
#define USB_REQUEST_SYNC_FRAME 0x0C
//
// defined USB device classes
//
#define USB_DEVICE_CLASS_RESERVED 0x00
#define USB_DEVICE_CLASS_AUDIO 0x01
#define USB_DEVICE_CLASS_COMMUNICATIONS 0x02
#define USB_DEVICE_CLASS_HUMAN_INTERFACE 0x03
#define USB_DEVICE_CLASS_MONITOR 0x04
#define USB_DEVICE_CLASS_PHYSICAL_INTERFACE 0x05
#define USB_DEVICE_CLASS_POWER 0x06
#define USB_DEVICE_CLASS_PRINTER 0x07
#define USB_DEVICE_CLASS_STORAGE 0x08
#define USB_DEVICE_CLASS_HUB 0x09
#define USB_DEVICE_CLASS_VENDOR_SPECIFIC 0xFF
//
// USB defined Feature selectors
//
#define USB_FEATURE_ENDPOINT_STALL 0x0000
#define USB_FEATURE_REMOTE_WAKEUP 0x0001
#define USB_FEATURE_POWER_D0 0x0002
#define USB_FEATURE_POWER_D1 0x0003
#define USB_FEATURE_POWER_D2 0x0004
#define USB_FEATURE_POWER_D3 0x0005
typedef struct _USB_DEVICE_DESCRIPTOR {
UNS8 bLength;
UNS8 bDescriptorType;
UNS16 bcdUSB;
UNS8 bDeviceClass;
UNS8 bDeviceSubClass;
UNS8 bDeviceProtocol;
UNS8 bMaxPacketSize0;
UNS16 idVendor;
UNS16 idProduct;
UNS16 bcdDevice;
UNS8 iManufacturer;
UNS8 iProduct;
UNS8 iSerialNumber;
UNS8 bNumConfigurations;
} USB_DEVICE_DESCRIPTOR, *PUSB_DEVICE_DESCRIPTOR;
typedef struct _USB_ENDPOINT_DESCRIPTOR {
UNS8 bLength;
UNS8 bDescriptorType;
UNS8 bEndpointAddress;
UNS8 bmAttributes;
UNS16 wMaxPacketSize;
UNS8 bInterval;
} USB_ENDPOINT_DESCRIPTOR, *PUSB_ENDPOINT_DESCRIPTOR;
//
// values for bmAttributes Field in
// USB_CONFIGURATION_DESCRIPTOR
//
#define BUS_POWERED 0x80
#define SELF_POWERED 0x40
#define REMOTE_WAKEUP 0x20
typedef struct _USB_STRING_DESCRIPTOR {
const UNS8 bLength;
const UNS8 bDescriptorType;
const UNS8 bString[1];
} USB_STRING_DESCRIPTOR, *PUSB_STRING_DESCRIPTOR;
typedef struct _USB_CONFIGURATION_DESCRIPTOR {
UNS8 bLength;
UNS8 bDescriptorType;
UNS16 wTotalLength;
UNS8 bNumInterfaces;
UNS8 bConfigurationValue;
UNS8 iConfiguration;
UNS8 bmAttributes;
UNS8 MaxPower;
} USB_CONFIGURATION_DESCRIPTOR, *PUSB_CONFIGURATION_DESCRIPTOR;
typedef struct _USB_INTERFACE_DESCRIPTOR {
UNS8 bLength;
UNS8 bDescriptorType;
UNS8 bInterfaceNumber;
UNS8 bAlternateSetting;
UNS8 bNumEndpoints;
UNS8 bInterfaceClass;
UNS8 bInterfaceSubClass;
UNS8 bInterfaceProtocol;
UNS8 iInterface;
} USB_INTERFACE_DESCRIPTOR, *PUSB_INTERFACE_DESCRIPTOR;
#define NUM_ENDPOINTS 4
typedef struct _CON_INT_ENDP_DESCRIPTOR_STRUCT
{
USB_CONFIGURATION_DESCRIPTOR configuration_descriptor;
USB_INTERFACE_DESCRIPTOR interface_descritor;
USB_ENDPOINT_DESCRIPTOR EP1_TXDescr;
USB_ENDPOINT_DESCRIPTOR EP1_RXDescr;
USB_ENDPOINT_DESCRIPTOR EP2_TXDescr;
USB_ENDPOINT_DESCRIPTOR EP2_RXDescr;
}CON_INT_ENDP_DESCRIPTOR_STRUCT;
#define CONFIG_DESCRIPTOR_LENGTH sizeof(USB_CONFIGURATION_DESCRIPTOR) \
+ sizeof(USB_INTERFACE_DESCRIPTOR) \
+ (NUM_ENDPOINTS * sizeof(USB_ENDPOINT_DESCRIPTOR))
#define MSB(x) (((x) >> 8) & 0xFF) //取数据高8位
#define LSB(x) ((x) & 0xFF) //取数据低8位
/* Decoding received messages */
#define DECODE_USB_LENGTH(msg) \
(((UNS32)(msg)[0] << 8) | (UNS32)(msg)[1])
extern UNS8 usb_flag;
extern UNS8 usb_first;
extern UNS16 usb_length;
extern UNS16 usb_counter;
unsigned short D12_ReadInterruptRegister(void);
void init_usb(void);
void usb_loop(void);
#endif
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