SkyPortal-plugin/Source/SkyPortal/Private/SkyPortalIO.cpp

70 lines
2 KiB
C++
Raw Normal View History

#include "SkyPortalIO.h"
#include "Engine/Engine.h"
DEFINE_LOG_CATEGORY(LogHIDApi);
DEFINE_LOG_CATEGORY(LogSkyportalIO);
bool OpenPortalHandle() {
//reset
if (PortalDevice) {
hid_close(PortalDevice);
}
/*
Declare two pointers to hold information about HID devices.
"list" will point to the head of the linked list of devices,
"attributes" will be used to iterate through the list.
*/
struct hid_device_info* list, * attributes;
list = hid_enumerate(0x0, 0x0);
// If `list` is NULL, that means no devices were found or there was an error.
// In this case, print an error message and terminate the program.
if (!list) {
UE_LOG(LogHIDApi, Error, TEXT("No devices found"));
// Get the error message from the HIDAPI
HidError = hid_error(NULL);
UE_LOG(LogHIDApi, Error, TEXT("%s"), *HidError);
return false;
}
attributes = list;
// Iterate through the linked list of devices
int vendorCount = sizeof(VendorIds) / sizeof(VendorIds[0]);
int productCount = sizeof(ProductIds) / sizeof(ProductIds[0]);
while (attributes) {
// Check if the devices match any of vendor_id and product_id
for (int i = 0; i < vendorCount; i++) {
for (int j = 0; j < productCount; j++) {
if (attributes->vendor_id == VendorIds[i] && attributes->product_id == ProductIds[j]) {
UE_LOG(LogHIDApi, Display, TEXT("Portal found"));
UE_LOG(LogHIDApi, Log, TEXT("Vendor ID: 0x%x, Product ID: 0x%x"), attributes->vendor_id, attributes->product_id);
PortalDevice = hid_open(attributes->vendor_id, attributes->product_id, NULL);
if (PortalDevice) {
UE_LOG(LogHIDApi, Display, TEXT("Successful connection to Portal."));
// Free the device list
hid_free_enumeration(list);
//bPortalConnected = true;
return true;
}
break;
}
}
}
// Move to the next device in the list
attributes = attributes->next;
}
// Free the device list
hid_free_enumeration(list);
UE_LOG(LogHIDApi, Error, TEXT("No Portals found"));
return false;
}