?? sl811.c
字號(hào):
if(!usbXfer())
return FALSE;
usbstack.pid = PID_OUT;
}
else // device-to-host : OUT token
{
usbstack.pid = PID_OUT;
if(!usbXfer())
return FALSE;
usbstack.pid = PID_IN;
}
}
usbstack.wLen=0;
if(!usbXfer())
return FALSE;
return TRUE;
}
unsigned char epBulkSend(unsigned char *pBuffer,unsigned int len)
{
usbstack.usbaddr=0x1;
usbstack.endpoint=usbstack.epbulkout;
usbstack.pid=PID_OUT;
usbstack.wPayload=64;
usbstack.wLen=len;
usbstack.buffer=pBuffer;
if(usbstack.wLen)
{
while(!usbXfer());
}
return TRUE;
}
unsigned char epBulkRcv(unsigned char *pBuffer,unsigned int len)
{
usbstack.usbaddr=0x1;
usbstack.endpoint=usbstack.epbulkin;
usbstack.pid=PID_IN;
usbstack.wPayload=64;
usbstack.wLen=len;
usbstack.buffer=pBuffer;
if(usbstack.wLen)
{
while(!usbXfer());
}
return TRUE;
}
unsigned char SetAddress(unsigned char addr)
{
usbstack.usbaddr=0;
usbstack.setup.bmRequest=0;
usbstack.setup.bRequest=SET_ADDRESS;
usbstack.setup.wValue=addr;
usbstack.setup.wIndex=0;
usbstack.setup.wLength=0;
return ep0Xfer();
}
unsigned char Set_Configuration(void)
{
usbstack.setup.bmRequest=0;
usbstack.setup.bRequest=SET_CONFIG;
usbstack.setup.wIndex=0;
usbstack.setup.wLength=0;
usbstack.buffer=NULL;
return ep0Xfer();
}
unsigned char GetDesc(void)
{
usbstack.setup.bmRequest=0x80;
usbstack.setup.bRequest=GET_DESCRIPTOR;
usbstack.setup.wValue=WordSwap(usbstack.setup.wValue);
usbstack.wPayload=uDev.wPayLoad[0];
return ep0Xfer();
}
unsigned char EnumUsbDev(BYTE usbaddr)
{
unsigned char i; // always reset USB transfer address
unsigned char uAddr = 0; // for enumeration to Address #0
unsigned char epLen;
pDevDesc pDev;
pCfgDesc pCfg;
pIntfDesc pIfc;
pEPDesc pEnp;
uDev.wPayLoad[0] = 64; // default 64-byte payload of Endpoint 0, address #0
if(usbaddr == 1) // bus reset for the device attached to SL811HS only
USBReset(); // that will always have the USB address = 0x01 (for a hub)
DelayMs(25);
pDev =(pDevDesc)DBUF; // ask for 64 bytes on Addr #0
usbstack.usbaddr=uAddr;
usbstack.setup.wValue=DEVICE;
usbstack.setup.wIndex=0;
usbstack.setup.wLength=18;
usbstack.buffer=DBUF;
if (!GetDesc()) // and determine the wPayload size
return FALSE; // get correct wPayload of Endpoint 0
uDev.wPayLoad[0]=pDev->bMaxPacketSize0;// on current non-zero USB address
if (!SetAddress(usbaddr)) // set to specific USB address
return FALSE; //
uAddr = usbaddr; // transfer using this new address
pDev =(pDevDesc)DBUF;
usbstack.usbaddr=uAddr;
usbstack.setup.wLength=pDev->bLength;
usbstack.setup.wValue=DEVICE;
usbstack.setup.wIndex=0;
usbstack.buffer=DBUF;
if (!GetDesc())
return FALSE; // For this current device:
uDev.wVID = pDev->idVendor; // save VID
uDev.wPID = pDev->idProduct; // save PID
uDev.iMfg = pDev->iManufacturer; // save Mfg Index
uDev.iPdt = pDev->iProduct; // save Product Index
pCfg = (pCfgDesc)DBUF;
usbstack.usbaddr=uAddr;
usbstack.setup.wValue=CONFIGURATION;
usbstack.setup.wIndex=0;
usbstack.setup.wLength=64;
usbstack.buffer=DBUF;
if (!GetDesc())
return FALSE;
pIfc = (pIntfDesc)(DBUF + 9); // point to Interface Descp
uDev.bClass = pIfc->iClass; // update to class type
uDev.bNumOfEPs = (pIfc->bEndPoints <= MAX_EP) ? pIfc->bEndPoints : MAX_EP;
if(uDev.bClass==8) //mass storage device
bXXGFlags.bits.bMassDevice=TRUE;
usbstack.usbaddr=uAddr;
usbstack.setup.wValue=DEVICE;
if(!Set_Configuration()) // connected directly to SL811HS
return FALSE;
epLen = 0;
for (i=1; i<=uDev.bNumOfEPs; i++) // For each data endpoint
{
pEnp = (pEPDesc)(DBUF + 9 + 9 + epLen); // point to Endpoint Descp(non-HID)
uDev.bEPAddr[i] = pEnp->bEPAdd; // Ep address and direction
uDev.bAttr[i] = pEnp->bAttr; // Attribute of Endpoint
uDev.wPayLoad[i] = WordSwap(pEnp->wPayLoad); // Payload of Endpoint
uDev.bInterval[i] = pEnp->bInterval; // Polling interval
uDev.bData1[i] = 0; // init data toggle
epLen += 7;
if(uDev.bAttr[i]==0x2)
{
if(uDev.bEPAddr[i]&0x80)
usbstack.epbulkin=uDev.bEPAddr[i];
else
usbstack.epbulkout=uDev.bEPAddr[i];
}
}
return TRUE;
}
void SL811_Init(void)
{
bXXGFlags.bits.SLAVE_ONLINE = FALSE;
bXXGFlags.bits.SLAVE_FOUND = FALSE;
bXXGFlags.bits.SLAVE_REMOVED=FALSE;
bXXGFlags.bits.SLAVE_ENUMERATED = FALSE;
bXXGFlags.bits.SLAVE_IS_ATTACHED = FALSE;
SL811_CS=0;
SL811Write(cDATASet,0xe0);
SL811Write(cSOFcnt,0xae);
SL811Write(CtrlReg,0x5);
SL811Write(EP0Status,0x50);
SL811Write(EP0Counter,0);
SL811Write(EP0Control,0x01);
SL811Write(IntEna,0x20); // USB-A, Insert/Remove, USB_Resume.
SL811Write(IntStatus,INT_CLEAR); // Clear Interrupt enable status
}
/*-----------------------------------------------------------------------------------
名稱: void check_key_LED(void)
功能: 檢測(cè)磁盤(pán)狀態(tài).
-----------------------------------------------------------------------------------*/
void check_key_LED(void)
{
static unsigned char last_key=0x7;
unsigned char *pBuf; //=(unsigned char *)&UartCmdBlock;
unsigned int *wpBuf;
unsigned char intr;
unsigned int i,len;
intr=SL811Read(IntStatus); //讀取SL811狀態(tài)
if(intr & USB_RESET)
{
if(bXXGFlags.bits.SLAVE_ONLINE ==TRUE) //磁盤(pán)連接狀態(tài)
{
bXXGFlags.bits.SLAVE_REMOVED=TRUE; //磁盤(pán)移除
bXXGFlags.bits.SLAVE_ONLINE =FALSE;
}
}
else
{
if(bXXGFlags.bits.SLAVE_ONLINE == FALSE)
{
bXXGFlags.bits.SLAVE_FOUND=TRUE; //創(chuàng)建磁盤(pán)
bXXGFlags.bits.SLAVE_ONLINE =TRUE; //創(chuàng)建連接
}
}
SL811Write(IntStatus,INT_CLEAR);
SL811Write(IntStatus,INSERT_REMOVE);
intr=SWM0;
intr&=0x1;
if(intr!=last_key) //假如SWM0被按下,則產(chǎn)生創(chuàng)建文件命令,模擬串口進(jìn)行測(cè)試
{
if(intr==0)
{
pBuf=(unsigned char *)&UartCmdBlock;
for(i=0;i<64;i++)
*(pBuf+i)=*(cmd_test_createfile+i);
bXXGFlags.bits.bUartInDone=1;
last_key=0;
}
else
last_key=1;
}
intr=SWM1;
intr&=0x1;
if(intr!=last_key) //假如SWM1被按下,則產(chǎn)生寫(xiě)入數(shù)據(jù)到磁盤(pán)命令,模擬串口進(jìn)行測(cè)試
{
if(intr==0)
{
pBuf=(unsigned char *)&UartCmdBlock;
for(i=0;i<64;i++)
*(pBuf+i)=*(cmd_test_writefile+i);
wpBuf=(unsigned int *)UARTBUF;
len=SwapINT16(UartCmdBlock.CmdBlock.Cmd_WriteFile.writeLength)/2;
for(i=0;i<len;i++)
*(wpBuf+i)=i;
bXXGFlags.bits.bUartInDone=1;
last_key=0;
}
else
last_key=1;
}
}
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