Description
Source
Call Graph
Start Line: 240
void HIDDTransferDriver_RequestHandler(const USBGenericRequest *request)
{
TRACE_INFO("NewReq ");
// Check if this is a standard request
if (USBGenericRequest_GetType(request) == USBGenericRequest_STANDARD) {
// This is a standard request
switch (USBGenericRequest_GetRequest(request)) {
case USBGenericRequest_GETDESCRIPTOR:
// Check if this is a HID descriptor, otherwise forward it to
// the standard driver
if (!HIDDTransferDriver_GetDescriptor(
USBGetDescriptorRequest_GetDescriptorType(request),
USBGenericRequest_GetLength(request))) {
USBDDriver_RequestHandler(&(hiddTransferDriver.usbdDriver),
request);
}
break;
default:
USBDDriver_RequestHandler(&(hiddTransferDriver.usbdDriver),
request);
}
}
// Check if this is a class request
else if (USBGenericRequest_GetType(request) == USBGenericRequest_CLASS) {
unsigned short length = USBGenericRequest_GetLength(request);
unsigned char type = HIDReportRequest_GetReportType(request);
switch (USBGenericRequest_GetRequest(request)) {
case HIDGenericRequest_SETREPORT:
if (length <= HIDDTransferDriver_REPORTSIZE &&
type == HIDReportRequest_OUTPUT) {
USBD_Read(0,
hiddTransferDriver.iReportBuf,
length,
HIDDTransferDriver_ReportReceived,
0); // No argument to the callback function
}
else {
USBD_Stall(0);
}
break;
default:
TRACE_WARNING(
"HIDDTransferDriver_RequestHandler: request 0x%02X\n\r",
USBGenericRequest_GetRequest(request));
USBD_Stall(0);
}
}
else {
// Vendor request ?
USBD_Stall(0);
}
}