void ClearEp3OutPktReady(void)
{
struct s3c24x0_usb_device * const usbdevregs = s3c24x0_get_base_usb_device();
U8 out_csr3;
usbdevregs->INDEX_REG = 3;
out_csr3 = usbdevregs->OUT_CSR1_REG;
CLR_EP3_OUT_PKT_READY();
}
void Ep3Handler(void)
{
struct s3c24x0_interrupt *intregs = s3c24x0_get_base_interrupt();
struct s3c24x0_usb_device *const usbdevregs = s3c24x0_get_base_usb_device();
U8 out_csr3;
int fifoCnt;
usbdevregs->INDEX_REG = 3;
out_csr3 = usbdevregs->OUT_CSR1_REG;
DbgPrintf("<3:%x]",out_csr3);
if(out_csr3 & EPO_OUT_PKT_READY) {
fifoCnt = usbdevregs->OUT_FIFO_CNT1_REG;
if (downloadFileSize == 0) {
RdPktEp3((U8 *)downPt, 8);
if(download_run == 0) {
downloadAddress = tempDownloadAddress;
} else {
downloadAddress = *((U32 *)downPt);
dwUSBBufReadPtr = downloadAddress;
dwUSBBufWritePtr = downloadAddress;
}
downloadFileSize = *((U32 *)(downPt + 4));
DbgPrintf("[dwaddr = %x, dwsize = %x]\n",
downloadAddress, downloadFileSize);
checkSum = 0;
downPt = (U8 *)downloadAddress;
/* The first 8-bytes are deleted. */
RdPktEp3_CheckSum((U8 *)downPt, fifoCnt-8);
downPt += fifoCnt - 8;
#if USBDMA
/*
* 传输由中断发起(只接收头一个Pkg)，由DMA完成.
* 因此发生中断后就禁止USBD中断，在DMA传输完成
* 后再次开启.
*/
intregs->INTMSK |= BIT_USBD;
return;
#endif
} else {
RdPktEp3_CheckSum((U8 *)downPt, fifoCnt);
downPt += fifoCnt; //fifoCnt = 64
}
CLR_EP3_OUT_PKT_READY();
return;
}
if (out_csr3 & EPO_SENT_STALL) {
DbgPrintf("[STALL]");
CLR_EP3_SENT_STALL();
return;
}
}
void RdPktEp3_CheckSum(U8 *buf,int num)
{
int i;
struct s3c24x0_usb_device *const usbdevregs = s3c24x0_get_base_usb_device();
for(i = 0; i < num; i++) {
buf[i] = (U8)usbdevregs->fifo[3].EP_FIFO_REG;
checkSum += buf[i];
}
}
void IsrDma2()
{
struct s3c24x0_interrupt *intregs = s3c24x0_get_base_interrupt();
struct s3c24x0_usb_device *usbdevregs = s3c24x0_get_base_usb_device();
U8 out_csr3;
U32 dwEmptyCnt;
U8 saveIndexReg = usbdevregs->INDEX_REG;
usbdevregs->INDEX_REG = 3;
out_csr3 = usbdevregs->OUT_CSR1_REG;
ClearPending_my((int)BIT_DMA2);
if (!totalDmaCount)
totalDmaCount = dwWillDMACnt + EP3_PKT_SIZE;
else
totalDmaCount += dwWillDMACnt;
dwUSBBufWritePtr = ((dwUSBBufWritePtr + dwWillDMACnt - dwUSBBufBase) %
dwUSBBufSize) + dwUSBBufBase;
if (totalDmaCount >= downloadFileSize) { /* last */
totalDmaCount = downloadFileSize;
ConfigEp3IntMode();
if (out_csr3 & EPO_OUT_PKT_READY)
CLR_EP3_OUT_PKT_READY();
/* 关闭DMA2中断并重新开启USBD中断 */
intregs->INTMSK |= BIT_DMA2;
intregs->INTMSK &= ~(BIT_USBD);
} else {
if ((totalDmaCount + 0x80000) < downloadFileSize)
dwWillDMACnt = 0x80000;
else
dwWillDMACnt = downloadFileSize - totalDmaCount;
dwEmptyCnt = (dwUSBBufReadPtr - dwUSBBufWritePtr - 1 + dwUSBBufSize) %
dwUSBBufSize;
if (dwEmptyCnt >= dwWillDMACnt)
ConfigEp3DmaMode(dwUSBBufWritePtr, dwWillDMACnt);
}
usbdevregs->INDEX_REG = saveIndexReg;
}
void Ep0Handler(void)
{
static int ep0SubState;
U8 ep0_csr;
struct s3c24x0_usb_device * const usbdevregs = s3c24x0_get_base_usb_device();
writeb(0, &usbdevregs->INDEX_REG);
ep0_csr = readb(&usbdevregs->EP0_CSR_IN_CSR1_REG);
//DATAEND interrupt(ep0_csr==0x0) will be ignored
//because ep0State==EP0_STATE_INIT when the DATAEND interrupt is issued.
if(ep0_csr & EP0_SETUP_END)
{
// Host may end GET_DESCRIPTOR operation without completing the IN data stage.
// If host does that, SETUP_END bit will be set.
// OUT_PKT_RDY has to be also cleared because status stage sets OUT_PKT_RDY to 1.
// DbgPrintf("[SETUPEND]");
CLR_EP0_SETUP_END();
if(ep0_csr & EP0_OUT_PKT_READY)
{
FLUSH_EP0_FIFO(); //(???)
//I think this isn't needed because EP0 flush is done automatically.
CLR_EP0_OUT_PKT_RDY();
}
ep0State=EP0_STATE_INIT;
return;
}
//I think that EP0_SENT_STALL will not be set to 1.
if(ep0_csr & EP0_SENT_STALL)
{
// DbgPrintf("[STALL]");
CLR_EP0_SENT_STALL();
if(ep0_csr & EP0_OUT_PKT_READY)
{
CLR_EP0_OUT_PKT_RDY();
}
ep0State=EP0_STATE_INIT;
return;
}
if((ep0_csr & EP0_OUT_PKT_READY)) // && (ep0State==EP0_STATE_INIT))
{
RdPktEp0((U8 *)&descSetup,EP0_PKT_SIZE);
// PrintEp0Pkt((U8 *)(&descSetup)); //DEBUG
switch(descSetup.bRequest)
{
case GET_DESCRIPTOR:
switch(descSetup.bValueH)
{
case DEVICE_TYPE:
// DbgPrintf("[GDD]");
CLR_EP0_OUT_PKT_RDY();
ep0State=EP0_STATE_GD_DEV_0;
break;
case CONFIGURATION_TYPE:
// DbgPrintf("[GDC]");
CLR_EP0_OUT_PKT_RDY();
if((descSetup.bLengthL+(descSetup.bLengthH<<8))>0x9)
//bLengthH should be used for bLength=0x209 at WIN2K.
ep0State=EP0_STATE_GD_CFG_0; //for WIN98,WIN2K
else
ep0State=EP0_STATE_GD_CFG_ONLY_0; //for WIN2K
break;
case STRING_TYPE:
// DbgPrintf("[GDS]");
CLR_EP0_OUT_PKT_RDY();
switch(descSetup.bValueL)
{
case 0:
ep0State=EP0_STATE_GD_STR_I0;
break;
case 1:
ep0State=EP0_STATE_GD_STR_I1;
break;
case 2:
ep0State=EP0_STATE_GD_STR_I2;
break;
default:
// DbgPrintf("[UE:STRI?]");
break;
}
ep0SubState=0;
break;
case INTERFACE_TYPE:
// DbgPrintf("[GDI]");
CLR_EP0_OUT_PKT_RDY();
ep0State=EP0_STATE_GD_IF_ONLY_0; //for WIN98
break;
case ENDPOINT_TYPE:
// DbgPrintf("[GDE]");
CLR_EP0_OUT_PKT_RDY();
switch(descSetup.bValueL&0xf)
{
case 0:
ep0State=EP0_STATE_GD_EP0_ONLY_0;
break;
case 1:
ep0State=EP0_STATE_GD_EP1_ONLY_0;
break;
default:
// DbgPrintf("[UE:GDE?]");
break;
}
break;
default:
// DbgPrintf("[UE:GD?]");
break;
}
break;
case SET_ADDRESS:
// DbgPrintf("[SA:%d]",descSetup.bValueL);
writeb((descSetup.bValueL | 0x80), &usbdevregs->FUNC_ADDR_REG);
CLR_EP0_OUTPKTRDY_DATAEND(); //Because of no data control transfers.
ep0State=EP0_STATE_INIT;
break;
case SET_CONFIGURATION:
// DbgPrintf("[SC]");
ConfigSet.ConfigurationValue=descSetup.bValueL;
CLR_EP0_OUTPKTRDY_DATAEND(); //Because of no data control transfers.
ep0State=EP0_STATE_INIT;
isUsbdSetConfiguration=1;
break;
//////////////////////// For chapter 9 test ////////////////////
case CLEAR_FEATURE:
switch (descSetup.bmRequestType)
{
case DEVICE_RECIPIENT:
if (descSetup.bValueL == 1)
Rwuen = FALSE;
break;
case ENDPOINT_RECIPIENT:
if (descSetup.bValueL == 0)
{
if((descSetup.bIndexL & 0x7f) == 0x00){
StatusGet.Endpoint0= 0;
}
if((descSetup.bIndexL & 0x8f) == 0x81){ // IN Endpoint 1
StatusGet.Endpoint1= 0;
}
if((descSetup.bIndexL & 0x8f) == 0x03){ // OUT Endpoint 3
StatusGet.Endpoint3= 0;
}
}
break;
default:
break;
}
CLR_EP0_OUTPKTRDY_DATAEND();
ep0State=EP0_STATE_INIT;
break;
case GET_CONFIGURATION:
CLR_EP0_OUT_PKT_RDY();
ep0State=EP0_CONFIG_SET;
break;
case GET_INTERFACE:
CLR_EP0_OUT_PKT_RDY();
ep0State=EP0_INTERFACE_GET;
break;
case GET_STATUS:
switch(descSetup.bmRequestType)
{
case (0x80):
CLR_EP0_OUT_PKT_RDY();
StatusGet.Device=((U8)Rwuen<<1)|(U8)Selfpwr;
ep0State=EP0_GET_STATUS0;
break;
case (0x81):
CLR_EP0_OUT_PKT_RDY();
StatusGet.Interface=0;
ep0State=EP0_GET_STATUS1;
break;
case (0x82):
CLR_EP0_OUT_PKT_RDY();
if((descSetup.bIndexL & 0x7f) == 0x00){
ep0State=EP0_GET_STATUS2;
}
if((descSetup.bIndexL & 0x8f) == 0x81){
ep0State=EP0_GET_STATUS3;
}
if((descSetup.bIndexL & 0x8f) == 0x03){
ep0State=EP0_GET_STATUS4;
}
break;
default:
break;
}
break;
case SET_DESCRIPTOR:
CLR_EP0_OUTPKTRDY_DATAEND();
ep0State=EP0_STATE_INIT;
break;
case SET_FEATURE:
switch (descSetup.bmRequestType)
{
case DEVICE_RECIPIENT:
if (descSetup.bValueL == 1)
Rwuen = TRUE;
break;
case ENDPOINT_RECIPIENT:
if (descSetup.bValueL == 0)
{
if((descSetup.bIndexL & 0x7f) == 0x00){
StatusGet.Endpoint0= 1;
}
if((descSetup.bIndexL & 0x8f) == 0x81){
StatusGet.Endpoint1= 1;
}
if((descSetup.bIndexL & 0x8f) == 0x03){
StatusGet.Endpoint3= 1;
}
}
break;
default:
break;
}
CLR_EP0_OUTPKTRDY_DATAEND();
ep0State=EP0_STATE_INIT;
break;
case SET_INTERFACE:
InterfaceGet.AlternateSetting= descSetup.bValueL;
CLR_EP0_OUTPKTRDY_DATAEND();
ep0State=EP0_STATE_INIT;
break;
case SYNCH_FRAME:
ep0State=EP0_STATE_INIT;
break;
//////////////////////////////////////////////////////////////
default:
// DbgPrintf("[UE:SETUP=%x]",descSetup.bRequest);
CLR_EP0_OUTPKTRDY_DATAEND(); //Because of no data control transfers.
ep0State=EP0_STATE_INIT;
break;
}
}
switch(ep0State)
{
case EP0_STATE_INIT:
break;
//=== GET_DESCRIPTOR:DEVICE ===
case EP0_STATE_GD_DEV_0:
// DbgPrintf("[GDD0]");
WrPktEp0((U8 *)&descDev+0,8); //EP0_PKT_SIZE
SET_EP0_IN_PKT_RDY();
ep0State=EP0_STATE_GD_DEV_1;
break;
case EP0_STATE_GD_DEV_1:
// DbgPrintf("[GDD1]");
WrPktEp0((U8 *)&descDev+0x8,8);
SET_EP0_IN_PKT_RDY();
ep0State=EP0_STATE_GD_DEV_2;
break;
case EP0_STATE_GD_DEV_2:
// DbgPrintf("[GDD2]");
WrPktEp0((U8 *)&descDev+0x10,2); //8+8+2=0x12
SET_EP0_INPKTRDY_DATAEND();
ep0State=EP0_STATE_INIT;
break;
//=== GET_DESCRIPTOR:CONFIGURATION+INTERFACE+ENDPOINT0+ENDPOINT1 ===
//Windows98 gets these 4 descriptors all together by issuing only a request.
//Windows2000 gets each descriptor seperately.
case EP0_STATE_GD_CFG_0:
// DbgPrintf("[GDC0]");
WrPktEp0((U8 *)&descConf+0,8); //EP0_PKT_SIZE
SET_EP0_IN_PKT_RDY();
ep0State=EP0_STATE_GD_CFG_1;
break;
case EP0_STATE_GD_CFG_1:
// DbgPrintf("[GDC1]");
WrPktEp0((U8 *)&descConf+8,1);
WrPktEp0((U8 *)&descIf+0,7);
SET_EP0_IN_PKT_RDY();
ep0State=EP0_STATE_GD_CFG_2;
break;
case EP0_STATE_GD_CFG_2:
// DbgPrintf("[GDC2]");
WrPktEp0((U8 *)&descIf+7,2);
WrPktEp0((U8 *)&descEndpt0+0,6);
SET_EP0_IN_PKT_RDY();
ep0State=EP0_STATE_GD_CFG_3;
break;
case EP0_STATE_GD_CFG_3:
// DbgPrintf("[GDC3]");
WrPktEp0((U8 *)&descEndpt0+6,1);
WrPktEp0((U8 *)&descEndpt1+0,7);
SET_EP0_IN_PKT_RDY();
ep0State=EP0_STATE_GD_CFG_4;
break;
case EP0_STATE_GD_CFG_4:
// DbgPrintf("[GDC4]");
//zero length data packit
SET_EP0_INPKTRDY_DATAEND();
ep0State=EP0_STATE_INIT;
break;
//=== GET_DESCRIPTOR:CONFIGURATION ONLY===
case EP0_STATE_GD_CFG_ONLY_0:
// DbgPrintf("[GDCO0]");
WrPktEp0((U8 *)&descConf+0,8); //EP0_PKT_SIZE
SET_EP0_IN_PKT_RDY();
ep0State=EP0_STATE_GD_CFG_ONLY_1;
break;
case EP0_STATE_GD_CFG_ONLY_1:
// DbgPrintf("[GDCO1]");
WrPktEp0((U8 *)&descConf+8,1);
SET_EP0_INPKTRDY_DATAEND();
ep0State=EP0_STATE_INIT;
break;
//=== GET_DESCRIPTOR:INTERFACE ONLY===
case EP0_STATE_GD_IF_ONLY_0:
// DbgPrintf("[GDI0]");
WrPktEp0((U8 *)&descIf+0,8);
SET_EP0_IN_PKT_RDY();
ep0State=EP0_STATE_GD_IF_ONLY_1;
break;
case EP0_STATE_GD_IF_ONLY_1:
// DbgPrintf("[GDI1]");
WrPktEp0((U8 *)&descIf+8,1);
SET_EP0_INPKTRDY_DATAEND();
ep0State=EP0_STATE_INIT;
break;
//=== GET_DESCRIPTOR:ENDPOINT 0 ONLY===
case EP0_STATE_GD_EP0_ONLY_0:
// DbgPrintf("[GDE00]");
WrPktEp0((U8 *)&descEndpt0+0,7);
SET_EP0_INPKTRDY_DATAEND();
ep0State=EP0_STATE_INIT;
break;
//=== GET_DESCRIPTOR:ENDPOINT 1 ONLY===
case EP0_STATE_GD_EP1_ONLY_0:
// DbgPrintf("[GDE10]");
WrPktEp0((U8 *)&descEndpt1+0,7);
SET_EP0_INPKTRDY_DATAEND();
ep0State=EP0_STATE_INIT;
break;
////////////////////////////////////////////
case EP0_INTERFACE_GET:
WrPktEp0((U8 *)&InterfaceGet+0,1);
SET_EP0_INPKTRDY_DATAEND();
ep0State=EP0_STATE_INIT;
break;
//=== GET_DESCRIPTOR:STRING ===
case EP0_STATE_GD_STR_I0:
// DbgPrintf("[GDS0_0]");
WrPktEp0((U8 *)descStr0, 4 );
SET_EP0_INPKTRDY_DATAEND();
ep0State=EP0_STATE_INIT;
ep0SubState=0;
break;
case EP0_STATE_GD_STR_I1:
// DbgPrintf("[GDS1_%d]",ep0SubState);
if( (ep0SubState*EP0_PKT_SIZE+EP0_PKT_SIZE)<sizeof(descStr1) )
{
WrPktEp0((U8 *)descStr1+(ep0SubState*EP0_PKT_SIZE),EP0_PKT_SIZE);
SET_EP0_IN_PKT_RDY();
ep0State=EP0_STATE_GD_STR_I1;
ep0SubState++;
}
else
{
WrPktEp0((U8 *)descStr1+(ep0SubState*EP0_PKT_SIZE),
sizeof(descStr1)-(ep0SubState*EP0_PKT_SIZE));
SET_EP0_INPKTRDY_DATAEND();
ep0State=EP0_STATE_INIT;
ep0SubState=0;
}
break;
case EP0_STATE_GD_STR_I2:
// DbgPrintf("[GDS2_%d]",ep0SubState);
if( (ep0SubState*EP0_PKT_SIZE+EP0_PKT_SIZE)<sizeof(descStr2) )
{
WrPktEp0((U8 *)descStr2+(ep0SubState*EP0_PKT_SIZE),EP0_PKT_SIZE);
SET_EP0_IN_PKT_RDY();
ep0State=EP0_STATE_GD_STR_I2;
ep0SubState++;
}
else
{
// DbgPrintf("[E]");
WrPktEp0((U8 *)descStr2+(ep0SubState*EP0_PKT_SIZE),
sizeof(descStr2)-(ep0SubState*EP0_PKT_SIZE));
SET_EP0_INPKTRDY_DATAEND();
ep0State=EP0_STATE_INIT;
ep0SubState=0;
}
break;
case EP0_CONFIG_SET:
WrPktEp0((U8 *)&ConfigSet+0,1);
SET_EP0_INPKTRDY_DATAEND();
ep0State=EP0_STATE_INIT;
break;
case EP0_GET_STATUS0:
WrPktEp0((U8 *)&StatusGet+0,1);
SET_EP0_INPKTRDY_DATAEND();
ep0State=EP0_STATE_INIT;
break;
case EP0_GET_STATUS1:
WrPktEp0((U8 *)&StatusGet+1,1);
SET_EP0_INPKTRDY_DATAEND();
ep0State=EP0_STATE_INIT;
break;
case EP0_GET_STATUS2:
WrPktEp0((U8 *)&StatusGet+2,1);
SET_EP0_INPKTRDY_DATAEND();
ep0State=EP0_STATE_INIT;
break;
case EP0_GET_STATUS3:
WrPktEp0((U8 *)&StatusGet+3,1);
SET_EP0_INPKTRDY_DATAEND();
ep0State=EP0_STATE_INIT;
break;
case EP0_GET_STATUS4:
WrPktEp0((U8 *)&StatusGet+4,1);
SET_EP0_INPKTRDY_DATAEND();
ep0State=EP0_STATE_INIT;
break;
default:
// DbgPrintf("UE:G?D");
break;
}
}
