usb.c
来自「SAMSUNG S3C6410 CPU BSP for winmobile6」· C语言 代码 · 共 1,937 行 · 第 1/5 页
C
1,937 行
// Input : NONE
// Output : NONE
// Version :
void OTGDEV_HandleEvent_EP0(void)
{
UINT32 DeviceRequestLength;
UINT16 i;
UINT32 ReadBuf[64]={0x0000, };
UINT16 setaddress;
UINT32 uRemoteWakeUp=0;
if (oOtgDev.m_uEp0State == EP0_STATE_INIT)
{
for(i=0;i<2;i++)
{
//ReadBuf[i] = Inp32(EP0_FIFO);
ReadBuf[i] = Input32(EP0_FIFO);
}
oOtgDev.m_oDeviceRequest.bmRequestType=ReadBuf[0];
oOtgDev.m_oDeviceRequest.bRequest=ReadBuf[0]>>8;
oOtgDev.m_oDeviceRequest.wValue_L=ReadBuf[0]>>16;
oOtgDev.m_oDeviceRequest.wValue_H=ReadBuf[0]>>24;
oOtgDev.m_oDeviceRequest.wIndex_L=ReadBuf[1];
oOtgDev.m_oDeviceRequest.wIndex_H=ReadBuf[1]>>8;
oOtgDev.m_oDeviceRequest.wLength_L=ReadBuf[1]>>16;
oOtgDev.m_oDeviceRequest.wLength_H=ReadBuf[1]>>24;
// OTGDEV_PrintEp0Pkt((UINT8 *)&oOtgDev.m_oDeviceRequest, 8);
switch (oOtgDev.m_oDeviceRequest.bRequest)
{
case STANDARD_SET_ADDRESS:
setaddress = (oOtgDev.m_oDeviceRequest.wValue_L); // Set Address Update bit
Outp32(DCFG, 1<<18|setaddress<<4|oOtgDev.m_eSpeed<<0);
DBGUSB(("Func_ADDR_Setaddr : %d \n", setaddress));
oOtgDev.m_uEp0State = EP0_STATE_INIT;
break;
case STANDARD_SET_DESCRIPTOR:
DBGUSB(("\n MCU >> Set Descriptor \n"));
break;
case STANDARD_SET_CONFIGURATION:
DBGUSB(("\n MCU >> Set Configuration \n"));
g_usConfig = oOtgDev.m_oDeviceRequest.wValue_L; // Configuration value in configuration descriptor
oOtgDev.m_uIsUsbOtgSetConfiguration = 1;
break;
case STANDARD_GET_CONFIGURATION:
OTGDEV_SetInEpXferSize(EP_TYPE_CONTROL, 1, 2);
Outp32(DIEPCTL0, (1u<<31)|(1<<26)|(BULK_IN_EP<<11)|(3<<0)); //ep0 enable, clear nak, next ep0, 8byte
Outp32(EP0_FIFO, g_usConfig);
oOtgDev.m_uEp0State = EP0_STATE_INIT;
break;
case STANDARD_GET_DESCRIPTOR:
switch (oOtgDev.m_oDeviceRequest.wValue_H)
{
case DEVICE_DESCRIPTOR:
DBGUSB(("\n MCU >> Get Device Descriptor \n"));
oOtgDev.m_uEp0State = EP0_STATE_GD_DEV_0;
break;
case CONFIGURATION_DESCRIPTOR:
DBGUSB(("\n MCU >> Get Configuration Descriptor \n"));
DeviceRequestLength = (UINT32)((oOtgDev.m_oDeviceRequest.wLength_H << 8) |
oOtgDev.m_oDeviceRequest.wLength_L);
if (DeviceRequestLength > CONFIG_DESC_SIZE){
// === GET_DESCRIPTOR:CONFIGURATION+INTERFACE+ENDPOINT0+ENDPOINT1 ===
// Windows98 gets these 4 descriptors all together by issuing only a request.
// Windows2000 gets each descriptor seperately.
// oOtgDev.m_uEpZeroTransferLength = CONFIG_DESC_TOTAL_SIZE;
oOtgDev.m_uEp0State = EP0_STATE_GD_CFG_0;
}
else
oOtgDev.m_uEp0State = EP0_STATE_GD_CFG_ONLY_0; // for win2k
break;
case STRING_DESCRIPTOR :
switch(oOtgDev.m_oDeviceRequest.wValue_L)
{
case 0:
oOtgDev.m_uEp0State = EP0_STATE_GD_STR_I0;
break;
case 1:
oOtgDev.m_uEp0State = EP0_STATE_GD_STR_I1;
break;
case 2:
oOtgDev.m_uEp0State = EP0_STATE_GD_STR_I2;
break;
default:
break;
}
break;
case ENDPOINT_DESCRIPTOR:
switch(oOtgDev.m_oDeviceRequest.wValue_L&0xf)
{
case 0:
oOtgDev.m_uEp0State=EP0_STATE_GD_EP0_ONLY_0;
break;
case 1:
oOtgDev.m_uEp0State=EP0_STATE_GD_EP1_ONLY_0;
break;
default:
break;
}
break;
case DEVICE_QUALIFIER:
DBGUSB(("\n MCU >> Get Device Qualifier Descriptor \n"));
oOtgDev.m_uEp0State = EP0_STATE_GD_DEV_QUALIFIER;
break;
}
break;
case STANDARD_CLEAR_FEATURE:
DBGUSB(("\n MCU >> Clear Feature \n"));
switch (oOtgDev.m_oDeviceRequest.bmRequestType)
{
case DEVICE_RECIPIENT:
if (oOtgDev.m_oDeviceRequest.wValue_L == 1)
uRemoteWakeUp = false;
break;
case ENDPOINT_RECIPIENT:
if (oOtgDev.m_oDeviceRequest.wValue_L == 0)
{
if ((oOtgDev.m_oDeviceRequest.wIndex_L & 0x7f) == 0x00)
oStatusGet.Endpoint0= 0;
if ((oOtgDev.m_oDeviceRequest.wIndex_L & 0x8f) == 0x01) // IN Endpoint 1
oStatusGet.Endpoint1= 0;
if ((oOtgDev.m_oDeviceRequest.wIndex_L & 0x8f) == 0x02) // OUT Endpoint 3
oStatusGet.Endpoint2= 0;
}
break;
default:
break;
}
oOtgDev.m_uEp0State = EP0_STATE_INIT;
break;
case STANDARD_SET_FEATURE:
DBGUSB(("\n MCU >> Set Feature \n"));
switch (oOtgDev.m_oDeviceRequest.bmRequestType)
{
case DEVICE_RECIPIENT:
if (oOtgDev.m_oDeviceRequest.wValue_L == 1)
uRemoteWakeUp = true;
break;
case ENDPOINT_RECIPIENT:
if (oOtgDev.m_oDeviceRequest.wValue_L == 0)
{
if ((oOtgDev.m_oDeviceRequest.wIndex_L & 0x7f) == 0x00)
oStatusGet.Endpoint0= 1;
if ((oOtgDev.m_oDeviceRequest.wIndex_L & 0x8f) == 0x01)
oStatusGet.Endpoint1= 1;
if ((oOtgDev.m_oDeviceRequest.wIndex_L & 0x8f) == 0x02)
oStatusGet.Endpoint2= 1;
}
break;
default:
break;
}
oOtgDev.m_uEp0State = EP0_STATE_INIT;
break;
case STANDARD_GET_STATUS:
switch(oOtgDev.m_oDeviceRequest.bmRequestType)
{
case (0x80):
oStatusGet.Device=((UINT8)uRemoteWakeUp<<1)|0x1; // SelfPowered
oOtgDev.m_uEp0State = EP0_STATE_GET_STATUS0;
break;
case (0x81):
oStatusGet.Interface=0;
oOtgDev.m_uEp0State = EP0_STATE_GET_STATUS1;
break;
case (0x82):
if ((oOtgDev.m_oDeviceRequest.wIndex_L & 0x7f) == 0x00)
oOtgDev.m_uEp0State = EP0_STATE_GET_STATUS2;
if ((oOtgDev.m_oDeviceRequest.wIndex_L & 0x8f) == 0x01)
oOtgDev.m_uEp0State = EP0_STATE_GET_STATUS3;
if ((oOtgDev.m_oDeviceRequest.wIndex_L & 0x8f) == 0x02)
oOtgDev.m_uEp0State = EP0_STATE_GET_STATUS4;
break;
default:
break;
}
break;
case STANDARD_GET_INTERFACE:
oOtgDev.m_uEp0State = EP0_STATE_INTERFACE_GET;
break;
case STANDARD_SET_INTERFACE:
oInterfaceGet.AlternateSetting= oOtgDev.m_oDeviceRequest.wValue_L;
oOtgDev.m_uEp0State = EP0_STATE_INIT;
break;
case STANDARD_SYNCH_FRAME:
oOtgDev.m_uEp0State = EP0_STATE_INIT;
break;
default:
break;
}
}
OTGDEV_SetInEpXferSize(EP_TYPE_CONTROL, 1, oOtgDev.m_uControlEPMaxPktSize);
Outp32(DIEPCTL0, (1u<<31)|(1<<26)|(BULK_IN_EP<<11)|(0<<0)); //ep0 enable, clear nak, next ep0, 64byte
}
//////////
// Function Name : OTGDEV_TransferEp0
// Function Desctiption : This function is called during data phase of control transfer.
// Input : NONE
// Output : NONE
// Version :
void OTGDEV_TransferEp0(void)
{
DBGUSB(("TransferEp0 , oOtgDev.m_uEp0State == %d\n", oOtgDev.m_uEp0State));
switch (oOtgDev.m_uEp0State)
{
case EP0_STATE_INIT:
OTGDEV_SetInEpXferSize(EP_TYPE_CONTROL, 1, 0);
Outp32(DIEPCTL0, (1u<<31)|(1<<26)|(BULK_IN_EP<<11)|(3<<0)); //ep0 enable, clear nak, next ep0, 8byte
break;
// === GET_DESCRIPTOR:DEVICE ===
case EP0_STATE_GD_DEV_0:
if (oOtgDev.m_eSpeed == USB_HIGH)
{
OTGDEV_SetInEpXferSize(EP_TYPE_CONTROL, 1, 18);
Outp32(DIEPCTL0, (1u<<31)|(1<<26)|(BULK_IN_EP<<11)|(0<<0)); //ep0 enable, clear nak, next ep0, max 64byte
OTGDEV_WrPktEp0((UINT8 *)&oOtgDev.m_oDesc.oDescDevice+0, 18); // EP0_PKT_SIZE
oOtgDev.m_uEp0State = EP0_STATE_INIT;
DBGUSB(("EndpointZeroTransfer(EP0_STATE_GD_DEV)\n"));
}
else
{
OTGDEV_SetInEpXferSize(EP_TYPE_CONTROL, 1, 18);
Outp32(DIEPCTL0, (1u<<31)|(1<<26)|(BULK_IN_EP<<11)|(3<<0)); //ep0 enable, clear nak, next ep0, max 8byte
OTGDEV_WrPktEp0((UINT8 *)&oOtgDev.m_oDesc.oDescDevice+0, 8); // EP0_PKT_SIZE
oOtgDev.m_uEp0State = EP0_STATE_GD_DEV_1;
DBGUSB(("EndpointZeroTransfer(FS:EP0_STATE_GD_DEV_0)\n"));
}
break;
case EP0_STATE_GD_DEV_1:
Outp32(DIEPCTL0, (1u<<31)|(1<<26)|(BULK_IN_EP<<11)|(3<<0)); //ep0 enable, clear nak, next ep0, 8byte
OTGDEV_WrPktEp0((UINT8 *)&oOtgDev.m_oDesc.oDescDevice+8, 8); // EP0_PKT_SIZE
oOtgDev.m_uEp0State = EP0_STATE_GD_DEV_2;
DBGUSB(("EndpointZeroTransfer(EP0_STATE_GD_DEV_1)\n"));
break;
case EP0_STATE_GD_DEV_2:
Outp32(DIEPCTL0, (1u<<31)|(1<<26)|(BULK_IN_EP<<11)|(3<<0)); //ep0 enable, clear nak, next ep0, 8byte
OTGDEV_WrPktEp0((UINT8 *)&oOtgDev.m_oDesc.oDescDevice+16, 2); // EP0_PKT_SIZE
oOtgDev.m_uEp0State = EP0_STATE_INIT;
DBGUSB(("EndpointZeroTransfer(EP0_STATE_GD_DEV_2)\n"));
break;
// === GET_DESCRIPTOR:CONFIGURATION+INTERFACE+ENDPOINT0+ENDPOINT1 ===
// Windows98 gets these 4 descriptors all together by issuing only a request.
// Windows2000 gets each descriptor seperately.
// === GET_DESCRIPTOR:CONFIGURATION ONLY for WIN2K===
case EP0_STATE_GD_CFG_0:
if (oOtgDev.m_eSpeed == USB_HIGH)
{
OTGDEV_SetInEpXferSize(EP_TYPE_CONTROL, 1, 32);
Outp32(DIEPCTL0, (1u<<31)|(1<<26)|(BULK_IN_EP<<11)|(0<<0)); //ep0 enable, clear nak, next ep0, max 64byte
OTGDEV_WrPktEp0((UINT8 *)&oOtgDev.m_oDesc.oDescConfig+0, 32); // EP0_PKT_SIZE
oOtgDev.m_uEp0State = EP0_STATE_INIT;
DBGUSB(("EndpointZeroTransfer(EP0_STATE_GD_CFG)\n"));
}
else
{
OTGDEV_SetInEpXferSize(EP_TYPE_CONTROL, 1, 32);
Outp32(DIEPCTL0, (1u<<31)|(1<<26)|(BULK_IN_EP<<11)|(3<<0)); //ep0 enable, clear nak, next ep0, 8byte
OTGDEV_WrPktEp0((UINT8 *)&oOtgDev.m_oDesc.oDescConfig+0, 8); // EP0_PKT_SIZE
oOtgDev.m_uEp0State = EP0_STATE_GD_CFG_1;
DBGUSB(("EndpointZeroTransfer(EP0_STATE_GD_CFG_0)\n"));
}
break;
case EP0_STATE_GD_CFG_1:
Outp32(DIEPCTL0, (1u<<31)|(1<<26)|(BULK_IN_EP<<11)|(3<<0)); //ep0 enable, clear nak, next ep0, 8byte
OTGDEV_WrPktEp0((UINT8 *)&oOtgDev.m_oDesc.oDescConfig+8, 8); // EP0_PKT_SIZE OTGDEV_WrPktEp0((UINT8 *)&descConf+8, 1); OTGDEV_WrPktEp0((UINT8 *)&descIf+0, 7);
oOtgDev.m_uEp0State = EP0_STATE_GD_CFG_2;
break;
case EP0_STATE_GD_CFG_2:
Outp32(DIEPCTL0, (1u<<31)|(1<<26)|(BULK_IN_EP<<11)|(3<<0)); //ep0 enable, clear nak, next ep0, 8byte
OTGDEV_WrPktEp0((UINT8 *)&oOtgDev.m_oDesc.oDescConfig+16, 8); // EP0_PKT_SIZE OTGDEV_WrPktEp0((UINT8 *)&descIf+7, 2); OTGDEV_WrPktEp0((UINT8 *)&descEndpt0+0, 6);
oOtgDev.m_uEp0State = EP0_STATE_GD_CFG_3;
break;
case EP0_STATE_GD_CFG_3:
Outp32(DIEPCTL0, (1u<<31)|(1<<26)|(BULK_IN_EP<<11)|(3<<0)); //ep0 enable, clear nak, next ep0, 8byte
OTGDEV_WrPktEp0((UINT8 *)&oOtgDev.m_oDesc.oDescConfig+24, 8); // EP0_PKT_SIZE OTGDEV_WrPktEp0((UINT8 *)&descEndpt0+6, 1); OTGDEV_WrPktEp0((UINT8 *)&descEndpt1+0, 7);
oOtgDev.m_uEp0State = EP0_STATE_GD_CFG_4;
break;
case EP0_STATE_GD_CFG_4:
oOtgDev.m_uEp0State = EP0_STATE_INIT;
break;
// === GET_DESCRIPTOR:CONFIGURATION ONLY===
case EP0_STATE_GD_CFG_ONLY_0:
if (oOtgDev.m_eSpeed == USB_HIGH)
{
DBGUSB(("[DBG : EP0_STATE_GD_CFG_ONLY]\n"));
OTGDEV_SetInEpXferSize(EP_TYPE_CONTROL, 1, 9);
Outp32(DIEPCTL0, (1u<<31)|(1<<26)|(BULK_IN_EP<<11)|(0<<0)); //ep0 enable, clear nak, next ep0, max 64byte
OTGDEV_WrPktEp0((UINT8 *)&oOtgDev.m_oDesc.oDescConfig+0, 9); // EP0_PKT_SIZE
oOtgDev.m_uEp0State = EP0_STATE_INIT;
}
else
{
DBGUSB(("[DBG : EP0_STATE_GD_CFG_ONLY_0]\n"));
OTGDEV_SetInEpXferSize(EP_TYPE_CONTROL, 1, 9);
Outp32(DIEPCTL0, (1u<<31)|(1<<26)|(BULK_IN_EP<<11)|(3<<0)); //ep0 enable, clear nak, next ep0, 8byte
OTGDEV_WrPktEp0((UINT8 *)&oOtgDev.m_oDesc.oDescConfig+0, 8); // EP0_PKT_SIZE
oOtgDev.m_uEp0State = EP0_STATE_GD_CFG_ONLY_1;
}
break;
case EP0_STATE_GD_CFG_ONLY_1:
DBGUSB(("[DBG : EP0_STATE_GD_CFG_ONLY_1]\n"));
Outp32(DIEPCTL0, (1u<<31)|(1<<26)|(BULK_IN_EP<<11)|(3<<0)); //ep0 enable, clear nak, next ep0, 8byte
OTGDEV_WrPktEp0((UINT8 *)&oOtgDev.m_oDesc.oDescConfig+8, 1); // EP0_PKT_SIZE
oOtgDev.m_uEp0State = EP0_STATE_INIT;
break;
// === GET_DESCRIPTOR:INTERFACE ONLY===
case EP0_STATE_GD_IF_ONLY_0:
if (oOtgDev.m_eSpeed == USB_HIGH)
{
OTGDEV_SetInEpXferSize(EP_TYPE_CONTROL, 1, 9);
Outp32(DIEPCTL0, (1u<<31)|(1<<26)|(BULK_IN_EP<<11)|(0<<0)); //ep0 enable, clear nak, next ep0, max 64byte
OTGDEV_WrPktEp0((UINT8 *)&oOtgDev.m_oDesc.oDescInterface+0, 9); // INTERFACE_DESC_SIZE
oOtgDev.m_uEp0State = EP0_STATE_INIT;
}
else
{
OTGDEV_SetInEpXferSize(EP_TYPE_CONTROL, 1, 9);
Outp32(DIEPCTL0, (1u<<31)|(1<<26)|(BULK_IN_EP<<11)|(3<<0)); //ep0 enable, clear nak, next ep0, 8byte
OTGDEV_WrPktEp0((UINT8 *)&oOtgDev.m_oDesc.oDescInterface+0, 8); // INTERFACE_DESC_SIZE
oOtgDev.m_uEp0State = EP0_STATE_GD_IF_ONLY_1;
}
break;
case EP0_STATE_GD_IF_ONLY_1:
Outp32(DIEPCTL0, (1u<<31)|(1<<26)|(BULK_IN_EP<<11)|(3<<0)); //ep0 enable, clear nak, next ep0, 8byte
OTGDEV_WrPktEp0((UINT8 *)&oOtgDev.m_oDesc.oDescInterface+8, 1);
oOtgDev.m_uEp0State = EP0_STATE_INIT;
break;
// === GET_DESCRIPTOR:ENDPOINT 1 ONLY===
case EP0_STATE_GD_EP0_ONLY_0:
OTGDEV_SetInEpXferSize(EP_TYPE_CONTROL, 1, ENDPOINT_DESC_SIZE);
Outp32(DIEPCTL0, (1u<<31)|(1<<26)|(BULK_IN_EP<<11)|(3<<0)); //ep0 enable, clear nak, next ep0, 8byte
OTGDEV_WrPktEp0((UINT8 *)&oOtgDev.m_oDesc.oDescEndpt1+0, ENDPOINT_DESC_SIZE);
oOtgDev.m_uEp0State = EP0_STATE_INIT;
break;
// === GET_DESCRIPTOR:ENDPOINT 2 ONLY===
case EP0_STATE_GD_EP1_ONLY_0:
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