1 files changed, 65 insertions, 0 deletions
diff --git a/src/detection/gamepad/gamepad_bsd.c b/src/detection/gamepad/gamepad_bsd.c
new file mode 100644
index 0000000..b67b8fd
--- /dev/null
+++ b/src/detection/gamepad/gamepad_bsd.c
@@ -0,0 +1,65 @@
+#include "gamepad.h"
+#include "common/io.h"
+
+#include <stdio.h>
+#include <fcntl.h>
+#include <usbhid.h>
+
+#if __has_include(<dev/usb/usb_ioctl.h>)
+    #include <dev/usb/usb_ioctl.h> // FreeBSD
+#else
+    #include <bus/u4b/usb_ioctl.h> // DragonFly
+#endif
+
+#define MAX_UHID_JOYS 64
+
+const char* ffDetectGamepad(FFlist* devices /* List of FFGamepadDevice */) {
+    char path[16];
+    for (int i = 0; i < MAX_UHID_JOYS; i++) {
+        snprintf(path, ARRAY_SIZE(path), "/dev/uhid%d", i);
+        FF_AUTO_CLOSE_FD int fd = open(path, O_RDONLY | O_CLOEXEC);
+        if (fd < 0) {
+            if (errno == ENOENT) {
+                break; // No more devices
+            }
+            continue; // Device not found
+        }
+        report_desc_t repDesc = hid_get_report_desc(fd);
+        if (!repDesc) {
+            continue;
+        }
+
+        int reportId = hid_get_report_id(fd);
+
+        struct hid_data* hData = hid_start_parse(repDesc, 0, reportId);
+        if (hData) {
+            struct hid_item hItem;
+            while (hid_get_item(hData, &hItem) > 0) {
+                if (HID_PAGE(hItem.usage) != 1) {
+                    continue;
+                }
+                switch (HID_USAGE(hItem.usage)) {
+                    case 1: // Pointer. FreeBSD returns 1 for my Pro Controller for some reason
+                    case 4: // Joystick
+                    case 5: // Gamepad
+                        break;
+                    default:
+                        continue;
+                }
+
+                struct usb_device_info di;
+                if (ioctl(fd, USB_GET_DEVICEINFO, &di) != -1) {
+                    FFGamepadDevice* device = FF_LIST_ADD(FFGamepadDevice, *devices);
+                    ffStrbufInitS(&device->serial, di.udi_serial);
+                    ffStrbufInitF(&device->name, "%s %s", di.udi_vendor, di.udi_product);
+                    device->battery = 0;
+                }
+            }
+            hid_end_parse(hData);
+        }
+
+        hid_dispose_report_desc(repDesc);
+    }
+
+    return NULL;
+}