void Ep0Handler(void)
{
static int ep0SubState;
// int i;
u_char ep0_csr;
rINDEX_REG=0;
ep0_csr=rEP0_CSR;
// DbgOut("<0:%x]",ep0_csr);
//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.
// DbgOut("[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)
{
// DbgOut("[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((u_char *)&descSetup,EP0_PKT_SIZE);
switch(descSetup.bRequest)
{
case GET_DESCRIPTOR:
switch(descSetup.bValueH)
{
case DEVICE_TYPE:
// DbgOut("[GDD]");
CLR_EP0_OUT_PKT_RDY();
ep0State=EP0_STATE_GD_DEV_0;
break;
case CONFIGURATION_TYPE:
// DbgOut("[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:
// DbgOut("[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:
// DbgOut("[UE:STRI?]");
break;
}
ep0SubState=0;
break;
case INTERFACE_TYPE:
// DbgOut("[GDI]");
CLR_EP0_OUT_PKT_RDY();
ep0State=EP0_STATE_GD_IF_ONLY_0; //for WIN98
break;
case ENDPOINT_TYPE:
// DbgOut("[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:
// DbgOut("[UE:GDE?]");
break;
}
break;
default:
// DbgOut("[UE:GD?]");
break;
}
break;
case SET_ADDRESS:
// DbgOut("[SA:%d]",descSetup.bValueL);
rFUNC_ADDR_REG=descSetup.bValueL | 0x80;
CLR_EP0_OUTPKTRDY_DATAEND(); //Because of no data control transfers.
ep0State=EP0_STATE_INIT;
break;
case SET_CONFIGURATION:
// DbgOut("[SC]");
CLR_EP0_OUTPKTRDY_DATAEND(); //Because of no data control transfers.
ep0State=EP0_STATE_INIT;
isUSBSet=true;
break;
default:
// DbgOut("[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:
// DbgOut("[GDD0]");
WrPktEp0((u_char *)&descDev+0,8); //EP0_PKT_SIZE
SET_EP0_IN_PKT_RDY();
ep0State=EP0_STATE_GD_DEV_1;
break;
case EP0_STATE_GD_DEV_1:
// DbgOut("[GDD1]");
WrPktEp0((u_char *)&descDev+0x8,8);
SET_EP0_IN_PKT_RDY();
ep0State=EP0_STATE_GD_DEV_2;
break;
case EP0_STATE_GD_DEV_2:
// DbgOut("[GDD2]");
WrPktEp0((u_char *)&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:
// DbgOut("[GDC0]");
WrPktEp0((u_char *)&descConf+0,8); //EP0_PKT_SIZE
SET_EP0_IN_PKT_RDY();
ep0State=EP0_STATE_GD_CFG_1;
break;
case EP0_STATE_GD_CFG_1:
// DbgOut("[GDC1]");
WrPktEp0((u_char *)&descConf+8,1);
WrPktEp0((u_char *)&descIf+0,7);
SET_EP0_IN_PKT_RDY();
ep0State=EP0_STATE_GD_CFG_2;
break;
case EP0_STATE_GD_CFG_2:
// DbgOut("[GDC2]");
WrPktEp0((u_char *)&descIf+7,2);
WrPktEp0((u_char *)&descEndpt0+0,6);
SET_EP0_IN_PKT_RDY();
ep0State=EP0_STATE_GD_CFG_3;
break;
case EP0_STATE_GD_CFG_3:
// DbgOut("[GDC3]");
WrPktEp0((u_char *)&descEndpt0+6,1);
WrPktEp0((u_char *)&descEndpt1+0,7);
SET_EP0_IN_PKT_RDY();
ep0State=EP0_STATE_GD_CFG_4;
break;
case EP0_STATE_GD_CFG_4:
// DbgOut("[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:
// DbgOut("[GDCO0]");
WrPktEp0((u_char *)&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:
// DbgOut("[GDCO1]");
WrPktEp0((u_char *)&descConf+8,1);
SET_EP0_INPKTRDY_DATAEND();
ep0State=EP0_STATE_INIT;
break;
//=== GET_DESCRIPTOR:INTERFACE ONLY===
case EP0_STATE_GD_IF_ONLY_0:
// DbgOut("[GDI0]");
WrPktEp0((u_char *)&descIf+0,8);
SET_EP0_IN_PKT_RDY();
ep0State=EP0_STATE_GD_IF_ONLY_1;
break;
case EP0_STATE_GD_IF_ONLY_1:
// DbgOut("[GDI1]");
WrPktEp0((u_char *)&descIf+8,1);
SET_EP0_INPKTRDY_DATAEND();
ep0State=EP0_STATE_INIT;
break;
//=== GET_DESCRIPTOR:ENDPOINT 0 ONLY===
case EP0_STATE_GD_EP0_ONLY_0:
// DbgOut("[GDE00]");
WrPktEp0((u_char *)&descEndpt0+0,7);
SET_EP0_INPKTRDY_DATAEND();
ep0State=EP0_STATE_INIT;
break;
//=== GET_DESCRIPTOR:ENDPOINT 1 ONLY===
case EP0_STATE_GD_EP1_ONLY_0:
// DbgOut("[GDE10]");
WrPktEp0((u_char *)&descEndpt1+0,7);
SET_EP0_INPKTRDY_DATAEND();
ep0State=EP0_STATE_INIT;
break;
//=== GET_DESCRIPTOR:STRING ===
case EP0_STATE_GD_STR_I0:
// DbgOut("[GDS0_0]");
WrPktEp0((u_char *)descStr0, 4 );
SET_EP0_INPKTRDY_DATAEND();
ep0State=EP0_STATE_INIT;
ep0SubState=0;
break;
case EP0_STATE_GD_STR_I1:
// DbgOut("[GDS1_%d]",ep0SubState);
if( (ep0SubState*EP0_PKT_SIZE+EP0_PKT_SIZE)<sizeof(descStr1) )
{
WrPktEp0((u_char *)descStr1+(ep0SubState*EP0_PKT_SIZE),EP0_PKT_SIZE);
SET_EP0_IN_PKT_RDY();
ep0State=EP0_STATE_GD_STR_I1;
ep0SubState++;
}
else
{
WrPktEp0((u_char *)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:
// DbgOut("[GDS2_%d]",ep0SubState);
if( (ep0SubState*EP0_PKT_SIZE+EP0_PKT_SIZE)<sizeof(descStr2) )
{
WrPktEp0((u_char *)descStr2+(ep0SubState*EP0_PKT_SIZE),EP0_PKT_SIZE);
SET_EP0_IN_PKT_RDY();
ep0State=EP0_STATE_GD_STR_I2;
ep0SubState++;
}
else
{
// DbgOut("[E]");
WrPktEp0((u_char *)descStr2+(ep0SubState*EP0_PKT_SIZE),
sizeof(descStr2)-(ep0SubState*EP0_PKT_SIZE));
SET_EP0_INPKTRDY_DATAEND();
ep0State=EP0_STATE_INIT;
ep0SubState=0;
}
break;
default:
// DbgOut("UE:G?D");
break;
}
}
void Ep0Handler(void)
{
static int ep0SubState;
int i;
U8 ep0_csr;
usbdevregs->INDEX_REG=0;
ep0_csr=usbdevregs->EP0_CSR_IN_CSR1_REG;
DbgPrintf("<0:%x]",ep0_csr);
//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);
usbdevregs->FUNC_ADDR_REG=descSetup.bValueL | 0x80;
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;
}
}
void Ep0Handler(void)
{
static int ep0SubState;
int i;
U8 ep0_csr;
//U8 in_csr1;
rINDEX_REG=0;
ep0_csr=rEP0_CSR;
//DbgPrintf("<0:%x]",ep0_csr);
//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)
{
//Uart_Printf("EP0_SETUP_END\n");
// 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)
{
//Uart_Printf("EP0_OUT_PKT_READY\n");
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)
{
//Uart_Printf("EP0_SENT_STALL\n");
//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);
//if((descSetup.bmRequestType != 0xa1) && (descSetup.bmRequestType != 0x21))
if(descSetup.bmRequestType != 0x21)
{
switch(descSetup.bRequest)
{
case GET_DESCRIPTOR:
switch(descSetup.bValueH)
{
case DEVICE_TYPE:
Uart_Printf("DEVICE_DESCRIPTOR\n");
CLR_EP0_OUT_PKT_RDY();
ep0State=EP0_STATE_GD_DEV_0;
break;
case CONFIGURATION_TYPE:
Uart_Printf("CONFIGURATION_DESCRIPTOR\n");
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:
Uart_Printf("STRING_TYPE_DESCRIPTOR\n");
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;
case 3:
ep0State=EP0_STATE_GD_STR_I3;
break;
default:
break;
}
ep0SubState=0;
break;
case INTERFACE_TYPE:
Uart_Printf("INTERFACE_DESCRIPTOR\n");
CLR_EP0_OUT_PKT_RDY();
ep0State=EP0_STATE_GD_IF_ONLY_0; //for WIN98
break;
case ENDPOINT_TYPE:
Uart_Printf("ENDPOINT_DESCRIPTOR\n");
CLR_EP0_OUT_PKT_RDY();
switch(descSetup.bValueL&0xf)
{
case 0:
ep0State=EP0_STATE_GD_EP1_ONLY_0;
break;
case 1:
ep0State=EP0_STATE_GD_EP3_ONLY_0;
break;
default:
break;
}
break;
case REPORT_TYPE:
Uart_Printf("GET_REPORT_DESCRIPTOR\n");
CLR_EP0_OUT_PKT_RDY();
ep0State=EP0_STATE_REPORT_DESCIRPTOR0;
break;
default:
break;
}
break;
case SET_ADDRESS:
Uart_Printf("SET_ADDRESS\n");
rFUNC_ADDR_REG=descSetup.bValueL | 0x80;
CLR_EP0_OUTPKTRDY_DATAEND();
ep0State=EP0_STATE_INIT;
break;
case SET_CONFIGURATION:
Uart_Printf("SET_CONFIGURATION\n");
ConfigSet.ConfigurationValue=descSetup.bValueL;
Uart_Printf("%d\n",ConfigSet.ConfigurationValue);
CLR_EP0_OUTPKTRDY_DATAEND(); //Because of no data control transfers.
ep0State=EP0_STATE_INIT;
//isUsbdSetConfiguration=1;
break;
/*
//////////////////////// For chapter 9 test ////////////////////
case CLEAR_FEATURE:
Uart_Printf("CLEAR_FEATURE\n");
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:
Uart_Printf("GET_CONFIGURATION\n");
CLR_EP0_OUT_PKT_RDY();
ep0State=EP0_CONFIG_SET;
break;
case GET_INTERFACE:
Uart_Printf("GET_INTERACE\n");
CLR_EP0_OUT_PKT_RDY();
ep0State=EP0_INTERFACE_GET;
break;
case GET_STATUS:
Uart_Printf("GET_STATUS\n");
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:
Uart_Printf("SET_DESCRIPTOR\n");
CLR_EP0_OUTPKTRDY_DATAEND();
ep0State=EP0_STATE_INIT;
break;
case SET_FEATURE:
Uart_Printf("SET_FEARURE\n");
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:
CLR_EP0_OUTPKTRDY_DATAEND(); //Because of no data control transfers.
ep0State=EP0_STATE_INIT;
break;
}
}
else
{
CLR_EP0_OUT_PKT_RDY();
//CLR_EP0_SENT_STALL();
//CLR_EP0_SETUP_END();
Uart_Printf("HDI_REQUEST\n");
//if(descSetup.bRequest == 0x0a)
//{
//case SET_IDLE:
//Uart_Printf("ÉèÖÿÕÏÐ\n");
//WrPktEp0(Buf_Idle,0);
//break;
//}
}
}
switch(ep0State)
{
case EP0_STATE_INIT:
break;
//------------------------------------GET_DESCRIPTOR:DEVICE-----------------------------
case EP0_STATE_GD_DEV_0:
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:
WrPktEp0((U8 *)&descDev+0x8,8);
SET_EP0_IN_PKT_RDY();
ep0State=EP0_STATE_GD_DEV_2;
break;
case EP0_STATE_GD_DEV_2:
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:
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:
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:
WrPktEp0((U8 *)&descIf+7,2);
WrPktEp0((U8 *)&descHID+0,6);
SET_EP0_IN_PKT_RDY();
ep0State=EP0_STATE_GD_CFG_3;
break;
case EP0_STATE_GD_CFG_3:
WrPktEp0((U8 *)&descHID+6,3);
WrPktEp0((U8 *)&descEndpt1+0,5);
SET_EP0_IN_PKT_RDY();
ep0State=EP0_STATE_GD_CFG_4;
break;
case EP0_STATE_GD_CFG_4:
WrPktEp0((U8 *)&descEndpt1+5,2);
WrPktEp0((U8 *)&descEndpt3,6);
SET_EP0_IN_PKT_RDY();
ep0State=EP0_STATE_GD_CFG_5;
// SET_EP0_INPKTRDY_DATAEND();
// ep0State=EP0_STATE_INIT;
break;
case EP0_STATE_GD_CFG_5:
WrPktEp0((U8 *)&descEndpt3+5,1);
SET_EP0_INPKTRDY_DATAEND();
ep0State=EP0_STATE_INIT;
break;
/*
case EP0_STATE_GD_CFG_5:
//DbgPrintf("[GDC4]");
WrPktEp0((U8 *)&descEndpt3+6,1);
SET_EP0_INPKTRDY_DATAEND();
ep0State=EP0_STATE_INIT;
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:
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:
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:
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:
WrPktEp0((U8 *)&descIf+8,1);
SET_EP0_INPKTRDY_DATAEND();
ep0State=EP0_STATE_INIT;
break;
//=== GET_DESCRIPTOR:ENDPOINT 0 ONLY===
case EP0_STATE_GD_EP1_ONLY_0:
WrPktEp0((U8 *)&descEndpt1+0,7);
SET_EP0_INPKTRDY_DATAEND();
ep0State=EP0_STATE_INIT;
break;
//=== GET_DESCRIPTOR:ENDPOINT 1 ONLY===
case EP0_STATE_GD_EP3_ONLY_0:
DbgPrintf("[GDE10]");
WrPktEp0((U8 *)&descEndpt3+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:
WrPktEp0((U8 *)descStr0, 4 );
SET_EP0_INPKTRDY_DATAEND();
ep0State=EP0_STATE_INIT;
ep0SubState=0;
break;
case EP0_STATE_GD_STR_I1:
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:
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
{
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_STATE_GD_STR_I3:
if( (ep0SubState*EP0_PKT_SIZE+EP0_PKT_SIZE)<sizeof(descStr3) )
{
WrPktEp0((U8 *)descStr3+(ep0SubState*EP0_PKT_SIZE),EP0_PKT_SIZE);
SET_EP0_IN_PKT_RDY();
ep0State=EP0_STATE_GD_STR_I3;
ep0SubState++;
}
else
{
WrPktEp0((U8 *)descStr3+(ep0SubState*EP0_PKT_SIZE),
sizeof(descStr3)-(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;
case EP0_STATE_REPORT_DESCIRPTOR0:
if((ep0SubState*8+8) < sizeof(ReportDescriptor))
{
WrPktEp0((U8*)ReportDescriptor+8*ep0SubState,8);
SET_EP0_IN_PKT_RDY();
ep0State=EP0_STATE_REPORT_DESCIRPTOR0;
ep0SubState++;
}
else
{
WrPktEp0((U8 *)ReportDescriptor+(ep0SubState*8),sizeof(ReportDescriptor)-(ep0SubState*8));
SET_EP0_INPKTRDY_DATAEND();
ep0State=EP0_STATE_INIT;
ep0SubState=0;
}
break;
/* case EP0_STATE_REPORT_DESCIRPTOR1:
WrPktEp0((U8*)ReportDescriptor+7,8);
SET_EP0_IN_PKT_RDY();
SET_EP0_INPKTRDY_DATAEND();
ep0State=EP0_STATE_REPORT_DESCIRPTOR2;
break;
*/
default:
break;
}
}
