📄 usb.c
字号:
// (c)2002 by Texas Instruments Incorporated, All Rights Reserved.
/*----------------------------------------------------------------------------+
| |
| Texas Instruments |
| |
| Usb |
| |
+-----------------------------------------------------------------------------+
| Source: usb.c, v00.01 2002/04/24 11:17 |
| Author: Horng-Ming Lobo Tai lobotai@ti.com |
| |
| For more information, please contact |
| |
| Lobo Tai |
| Texas Instruments |
| 12500 TI Blvd, MS 8761 |
| Dallas, TX 75243 |
| USA |
| |
| Tel 214-480-3145 |
| Fax 214-480-3443 |
| |
| Release Notes: |
| Logs: |
| |
| WHO WHEN WHAT |
| --- ---------- -------------------------------------------------- |
| HMT 08/02/2000 born |
| HMT 02/14/2001 add i2c support, modified Set Endpoint and Get |
| Endpoint routine. if endpoint is not supported, |
| bootcode does not response (charpter 8) |
| HMT 03/02/2001 Optimized usbDecodeAndProcessUsbRequest() routine |
| HMT 03/07/2001 removed setup overwirte inteerupt |
| HMT 09/28/2001 NAK both input and output endpoint 0 when setup |
| packet is received. |
| |
+----------------------------------------------------------------------------*/
/*----------------------------------------------------------------------------+
| Include files |
+----------------------------------------------------------------------------*/
#ifdef KEIL
#include <reg51.h> // for KEIL compiler 8051 sfr definition
#else
#include <io51.h> // for IAR compiler 8051 sfr definition
#endif
#include "types.h" // Basic Type declarations
#include "usb.h" // USB-specific Data Structures
#include "i2c.h"
#include "tusb3410.h"
#include "delay.h"
#include "header.h"
#include "watchdog.h"
#include "VenReq.h"
#include "rs232dbg.h"
#include "sample.h"
/*----------------------------------------------------------------------------+
| External Function Prototype |
+----------------------------------------------------------------------------*/
VOID usbVendorRequest(VOID);
/*----------------------------------------------------------------------------+
| External Variables |
+----------------------------------------------------------------------------*/
extern idata WORD wCurrentUploadPointer; // in header.c
extern idata BYTE bi2cDeviceAddress; // in header.c
extern idata BYTE bCurrentDataType; // in header.c
#include "descriptors.c" // must use include to prevent warning or error
/*
extern BYTE code abromDeviceDescriptor[SIZEOF_DEVICE_DESCRIPTOR];
extern BYTE code abromConfigurationDescriptorGroup[];
#ifdef RAW_STRING_DESCRIPTOR
extern BYTE code *abromStringDescriptor;
#endif
//extern char code *mfgDescription;
//extern char code *prodDescription;
//extern char code *serialNumber;
//char code mfgDescription[]="Texas Instruments Incorporated";
//char code prodDescription[]="TI-GRAPH LINK USB";
//char code serialNumber[]="";
*/
/*----------------------------------------------------------------------------+
| Internal Type Definition & Macro |
+----------------------------------------------------------------------------*/
typedef struct _tDEVICE_REQUEST_COMPARE
{
BYTE bmRequestType; // See bit definitions below
BYTE bRequest; // See value definitions below
BYTE bValueL; // Meaning varies with request type
BYTE bValueH; // Meaning varies with request type
BYTE bIndexL; // Meaning varies with request type
BYTE bIndexH; // Meaning varies with request type
BYTE bLengthL; // Number of bytes of data to transfer (LSByte)
BYTE bLengthH; // Number of bytes of data to transfer (MSByte)
BYTE bCompareMask; // MSB is bRequest, if set 1, bRequest should be matched
VOID (*pUsbFunction)(VOID); // function pointer
} tDEVICE_REQUEST_COMPARE, *ptDEVICE_REQUEST_COMPARE;
//----------------------------------------------------------------------------
typedef enum
{
STATUS_ACTION_NOTHING,
STATUS_ACTION_DATA_IN,
STATUS_ACTION_DATA_OUT
} tSTATUS_ACTION_LIST;
/*----------------------------------------------------------------------------+
| Internal Constant Definition |
+----------------------------------------------------------------------------*/
#define NO_MORE_DATA 0xFFFF
#define USB_RETURN_DATA_LENGTH 4
//#include "descriptors.c"
/*
BYTE code abromDeviceDescriptor[SIZEOF_DEVICE_DESCRIPTOR] = {
SIZEOF_DEVICE_DESCRIPTOR, // Length of this descriptor (12h bytes)
DESC_TYPE_DEVICE, // Type code of this descriptor (01h)
0x10,0x01, // Release of USB spec (Rev 1.1)
0xff, // Device's base class code - vendor specific
0, // Device's sub class code
0, // Device's protocol type code
EP0_PACKET_SIZE, // End point 0's packet size = 8
FUNCTION_VID_L,FUNCTION_VID_H, // Vendor ID for device, TI=0x0451
#ifdef UMPDBG
FUNCTION_PID_L+1,FUNCTION_PID_H,// Product ID for device, 0x3411 for debug on UMP board
#else
FUNCTION_PID_L,FUNCTION_PID_H, // Product ID for device, 0x3410
#endif
0x00,0x01, // Revision level of device, Rev=1.0
1, // Index of manufacturer name string desc
2, // Index of product name string desc
3, // Index of serial number string desc
1 // Number of configurations supported
};
BYTE code abromConfigurationDescriptorGroup[SIZEOF_BOOTCODE_CONFIG_DESC_GROUP] =
{
// Configuration Descriptor, size=0x09
SIZEOF_CONFIG_DESCRIPTOR, // bLength
DESC_TYPE_CONFIG, // bDescriptorType
SIZEOF_BOOTCODE_CONFIG_DESC_GROUP, 0x00, // wTotalLength
0x01, // bNumInterfaces
0x01, // bConfigurationValue
0x00, // iConfiguration
0x80, // bmAttributes, bus bootcode
0x32, // Max. Power Consumption at 2mA unit
// Interface Descriptor, size = 0x09
SIZEOF_INTERFACE_DESCRIPTOR, // bLength
DESC_TYPE_INTERFACE, // bDescriptorType
0x00, // bInterfaceNumber
0x00, // bAlternateSetting
1, // bNumEndpoints
0xFF, // bInterfaceClass - vendor-specific
0, // bInterfaceSubClass, zero for hub
0, // bInterfaceProtocol
0x00, // iInterface
// Endpoint Descriptor, size = 0x07 for OEP1
SIZEOF_ENDPOINT_DESCRIPTOR, // bLength
DESC_TYPE_ENDPOINT, // bDescriptorType
0x01 , // bEndpointAddress; bit7=1 for IN, bits 3-0=1 for ep1
EP_DESC_ATTR_TYPE_BULK, // bmAttributes, bulk transfer
0x40, 0x00, // wMaxPacketSize, 64 bytes
0x00 // bInterval
};
BYTE code abromStringDescriptor[SIZEOF_BOOTCODE_STRING_DESC_GROUP] = {
// string index 0, language support
4,
3,
0x09,0x04, // 0x0409 for English
// string index 1, manufacture
36, // Length of this string descriptor
DESC_TYPE_STRING,
'T',0x00,'e',0x00,'x',0x00,'a',0x00,'s',0x00,' ',0x00,
'I',0x00,'n',0x00,'s',0x00,'t',0x00,'r',0x00,'u',0x00,
'm',0x00,'e',0x00,'n',0x00,'t',0x00,'s',0x00,
// string index 2, product
42, // Length of this string descriptor
DESC_TYPE_STRING,
'T',0x00,'U',0x00,'S',0x00,'B',0x00,'3',0x00,'4',0x00,'1',0x00,'0',0x00,' ',0x00,
'B',0x00,'o',0x00,'o',0x00,'t',0x00,' ',0x00,
'D',0x00,'e',0x00,'v',0x00,'i',0x00,'c',0x00,'e',0x00,
// string index 3, serial number
34, // Length of this string descriptor
DESC_TYPE_STRING,
'T',0x00,'U',0x00,'S',0x00,'B',0x00,
'3',0x00,'4',0x00,'1',0x00,'0',0x00,
' ',0x00,' ',0x00,' ',0x00,' ',0x00,
' ',0x00,' ',0x00,' ',0x00,' ',0x00
};
*/
/*----------------------------------------------------------------------------+
| Internal Variables |
+----------------------------------------------------------------------------*/
idata BYTE bConfigurationNumber; // Set to 1 when USB device has been
// configured, set to 0 when unconfigured
idata BYTE bInterfaceNumber; // interface number
WORD wBytesRemainingOnIEP0; // For endpoint zero transmitter only
// Holds count of bytes remaining to be
// transmitted by endpoint 0. A value
// of 0 means that a 0-length data packet
// A value of 0xFFFF means that transfer
// is complete.
idata WORD wBytesRemainingOnOEP0; // For endpoint zero transmitter only
// Holds count of bytes remaining to be
// received by endpoint 0. A value
// of 0 means that a 0-length data packet
// A value of 0xFFFF means that transfer
// is complete.
idata BOOL bHostAskMoreDataThanAvailable;
// If host ask more data then function has
// It will send one zero-length packet
// if the asked lenght is a multiple of
// max. size of endpoint 0
idata PBYTE pbIEP0Buffer; // A buffer pointer to input end point 0
// Data sent back to host is copied from
// this pointed memory location
idata PBYTE pbOEP0Buffer; // A buffer pointer to output end point 0
// Data sent from host is copied to
// this pointed memory location
idata BYTE abUsbRequestReturnData[USB_RETURN_DATA_LENGTH];
// for firmware download
//WORD wCurrentFirmwareAddress; // for firmware downloading
//WORD wFirmwareLength;
//BYTE bFirmwareChecksum;
//BYTE bRAMChecksum;
//BOOL bExecuteFirmware; // flag set by USB request to run the firmware
//BOOL bReboot;
idata BYTE bStatusAction;
//BYTE bLoadFirmwareFromI2C;
idata BYTE bFunctionSuspended=FALSE; // TRUE if function is suspended
idata BYTE bRemoteWakeup;
/*----------------------------------------------------------------------------+
| Global Variables |
+----------------------------------------------------------------------------*/
/*----------------------------------------------------------------------------+
| Hardware Related Structure Definition |
+----------------------------------------------------------------------------*/
#ifdef KEIL
//#pragma memory = dataseg(TUSB3410_EP0_EDB_SEG)
//tEDB0 tEndPoint0DescriptorBlock;
//#pragma memory = default
xdata tEDB0 tEndPoint0DescriptorBlock _at_ 0xff80;
//#pragma memory = dataseg(TUSB3410_SETUPPACKET_SEG)
//tDEVICE_REQUEST tSetupPacket;
//#pragma memory = default
xdata tDEVICE_REQUEST tSetupPacket _at_ 0xff00;
//#pragma memory = dataseg(TUSB3410_OEP_EDB_SEG)
//tEDB tOutputEndPointDescriptorBlock[3];
//#pragma memory = default
xdata tEDB tOutputEndPointDescriptorBlock[3] _at_ 0xff08;
//#pragma memory = dataseg(TUSB3410_IEP_EDB_SEG)
//tEDB tInputEndPointDescriptorBlock[3];
//#pragma memory = default
xdata tEDB tInputEndPointDescriptorBlock[3] _at_ 0xff48;
//#pragma memory = dataseg(TUSB3410_IEP0BUFFER_SEG)
//BYTE abIEP0Buffer[EP0_PACKET_SIZE];
//#pragma memory = default
xdata BYTE abIEP0Buffer[EP0_PACKET_SIZE] _at_ 0xfef8;
//#pragma memory = dataseg(TUSB3410_OEP0BUFFER_SEG)
//BYTE abOEP0Buffer[EP0_PACKET_SIZE];
//#pragma memory = default
xdata BYTE abOEP0Buffer[EP0_PACKET_SIZE] _at_ 0xfef0;
//#pragma memory = dataseg(TUSB3410_OEP1_X_BUFFER_SEG)
//BYTE pbXBufferAddress[0x40];
//#pragma memory = default
// User defined segment
//#pragma memory = dataseg(TUSB3410_DESC_SEG)
//BYTE abDescriptor[MAX_DESC_SIZE];
//#pragma memory = default
xdata BYTE abDescriptor[MAX_DESC_SIZE] _at_ 0xf840;
#else
//#pragma memory = dataseg(TUSB3410_EXTERNAL_RAM_SEG)
//BYTE abDownloadFirmware[1024*16];
//#pragma memory = default
#pragma memory = dataseg(TUSB3410_EP0_EDB_SEG)
tEDB0 tEndPoint0DescriptorBlock;
#pragma memory = default
#pragma memory = dataseg(TUSB3410_SETUPPACKET_SEG)
tDEVICE_REQUEST tSetupPacket;
#pragma memory = default
#pragma memory = dataseg(TUSB3410_OEP_EDB_SEG)
tEDB tOutputEndPointDescriptorBlock[3];
#pragma memory = default
#pragma memory = dataseg(TUSB3410_IEP_EDB_SEG)
tEDB tInputEndPointDescriptorBlock[3];
#pragma memory = default
#pragma memory = dataseg(TUSB3410_IEP0BUFFER_SEG)
BYTE abIEP0Buffer[EP0_PACKET_SIZE];
#pragma memory = default
#pragma memory = dataseg(TUSB3410_OEP0BUFFER_SEG)
BYTE abOEP0Buffer[EP0_PACKET_SIZE];
#pragma memory = default
//#pragma memory = dataseg(TUSB3410_OEP1_X_BUFFER_SEG)
//BYTE pbXBufferAddress[0x40];
//#pragma memory = default
// User defined segment
#pragma memory = dataseg(TUSB3410_DESC_SEG)
BYTE abDescriptor[MAX_DESC_SIZE];
#pragma memory = default
//#pragma memory = dataseg(TUSB3410_XDATA_SEG)
//BYTE abStringDescriptor[sizeof(abromStringDescriptor)];
//#pragma memory = default
#endif
/*----------------------------------------------------------------------------+
| System Initialization Routines |
+----------------------------------------------------------------------------*/
VOID UsbReset(VOID)
{
RESET_WATCHDOG;
wBytesRemainingOnIEP0 = NO_MORE_DATA;
wBytesRemainingOnOEP0 = NO_MORE_DATA;
bStatusAction = STATUS_ACTION_NOTHING;
pbIEP0Buffer = (PBYTE)0x0000;
pbOEP0Buffer = (PBYTE)0x0000;
bConfigurationNumber = 0x00; // device unconfigured
bInterfaceNumber = 0x00;
// bExecuteFirmware = FALSE; // a flag set by USB request
// before bootocode hands over
// control to firmware
// wCurrentFirmwareAddress = 0x0000;
// bRAMChecksum = 0x00;
// wFirmwareLength = 0x0000;
bFunctionSuspended = FALSE;
// bReboot = FALSE;
// bLoadFirmwareFromI2C = FALSE;
// bExecuteFirmware = FALSE;
// NAK both 0 endpoints and enable endpoint 0 interrupt
tEndPoint0DescriptorBlock.bIEPBCNT = EPBCT_NAK;
tEndPoint0DescriptorBlock.bOEPBCNT = EPBCT_NAK;
tEndPoint0DescriptorBlock.bIEPCNFG = EPCNF_USBIE | EPCNF_UBME | EPCNF_STALL; // 8 byte data packet
tEndPoint0DescriptorBlock.bOEPCNFG = EPCNF_USBIE | EPCNF_UBME | EPCNF_STALL; // 8 byte data packet
// call user defined USB Reset routines
UsbUserReset();
}
/*
//----------------------------------------------------------------------------
BYTE GetBCD(BYTE bByte)
{
RESET_WATCHDOG;
if(bByte > 9) return (bByte+('A'-10));
else return (bByte + '0');
}
*/
//----------------------------------------------------------------------------
VOID UsbDataInitialization(VOID)
{
// BYTE bTemp;
⌨️ 快捷键说明
复制代码
Ctrl + C
搜索代码
Ctrl + F
全屏模式
F11
切换主题
Ctrl + Shift + D
显示快捷键
?
增大字号
Ctrl + =
减小字号
Ctrl + -