void USB_Device_ProcessControlRequest(void)
{
bool RequestHandled = false;
uint8_t* RequestHeader = (uint8_t*)&USB_ControlRequest;
for (uint8_t RequestHeaderByte = 0; RequestHeaderByte < sizeof(USB_Request_Header_t); RequestHeaderByte++)
*(RequestHeader++) = Endpoint_Read_Byte();
uint8_t bmRequestType = USB_ControlRequest.bmRequestType;
switch (USB_ControlRequest.bRequest)
{
case REQ_GetStatus:
if ((bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_STANDARD | REQREC_DEVICE)) ||
(bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_STANDARD | REQREC_ENDPOINT)))
{
USB_Device_GetStatus();
RequestHandled = true;
}
break;
case REQ_ClearFeature:
case REQ_SetFeature:
if ((bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_STANDARD | REQREC_DEVICE)) ||
(bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_STANDARD | REQREC_ENDPOINT)))
{
USB_Device_ClearSetFeature();
RequestHandled = true;
}
break;
case REQ_SetAddress:
if (bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_STANDARD | REQREC_DEVICE))
{
USB_Device_SetAddress();
RequestHandled = true;
}
break;
case REQ_GetDescriptor:
// if ((bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_STANDARD | REQREC_DEVICE)) ||
// (bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_STANDARD | REQREC_INTERFACE)))
{
USB_Device_GetDescriptor();
RequestHandled = true;
}
break;
case REQ_GetConfiguration:
if (bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_STANDARD | REQREC_DEVICE))
{
USB_Device_GetConfiguration();
RequestHandled = true;
}
break;
case REQ_SetConfiguration:
if (bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_STANDARD | REQREC_DEVICE))
{
USB_Device_SetConfiguration();
RequestHandled = true;
}
break;
}
if (!(RequestHandled))
EVENT_USB_Device_UnhandledControlRequest();
if (Endpoint_IsSETUPReceived())
{
Endpoint_StallTransaction();
Endpoint_ClearSETUP();
}
}
void USB_Device_ProcessControlRequest(void)
{
#if defined(ARCH_BIG_ENDIAN)
USB_ControlRequest.bmRequestType = Endpoint_Read_8();
USB_ControlRequest.bRequest = Endpoint_Read_8();
USB_ControlRequest.wValue = Endpoint_Read_16_LE();
USB_ControlRequest.wIndex = Endpoint_Read_16_LE();
USB_ControlRequest.wLength = Endpoint_Read_16_LE();
#else
uint8_t* RequestHeader = (uint8_t*)&USB_ControlRequest;
for (uint8_t RequestHeaderByte = 0; RequestHeaderByte < sizeof(USB_Request_Header_t); RequestHeaderByte++)
*(RequestHeader++) = Endpoint_Read_8();
#endif
EVENT_USB_Device_ControlRequest();
if (Endpoint_IsSETUPReceived())
{
uint8_t bmRequestType = USB_ControlRequest.bmRequestType;
switch (USB_ControlRequest.bRequest)
{
case REQ_GetStatus:
if ((bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_STANDARD | REQREC_DEVICE)) ||
(bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_STANDARD | REQREC_ENDPOINT)))
{
USB_Device_GetStatus();
}
break;
case REQ_ClearFeature:
case REQ_SetFeature:
if ((bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_STANDARD | REQREC_DEVICE)) ||
(bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_STANDARD | REQREC_ENDPOINT)))
{
USB_Device_ClearSetFeature();
}
break;
case REQ_SetAddress:
if (bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_STANDARD | REQREC_DEVICE))
USB_Device_SetAddress();
break;
case REQ_GetDescriptor:
if ((bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_STANDARD | REQREC_DEVICE)) ||
(bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_STANDARD | REQREC_INTERFACE)))
{
USB_Device_GetDescriptor();
}
break;
case REQ_GetConfiguration:
if (bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_STANDARD | REQREC_DEVICE))
USB_Device_GetConfiguration();
break;
case REQ_SetConfiguration:
if (bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_STANDARD | REQREC_DEVICE))
USB_Device_SetConfiguration();
break;
default:
break;
}
}
if (Endpoint_IsSETUPReceived())
{
Endpoint_StallTransaction();
Endpoint_ClearSETUP();
}
}
