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70 lines
1.9 KiB
C
70 lines
1.9 KiB
C
// Copyright 2019, Collabora, Ltd.
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// SPDX-License-Identifier: BSL-1.0
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/*!
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* @file
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* @brief OSVR HDK prober code.
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* @author Jakob Bornecrantz <jakob@collabora.com>
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* @author Ryan Pavlik <ryan.pavlik@collabora.com>
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* @ingroup drv_hdk
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include "xrt/xrt_prober.h"
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#include "util/u_misc.h"
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#include "util/u_debug.h"
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#include "hdk_interface.h"
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#include "hdk_device.h"
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static const char HDK2_PRODUCT_STRING[] = "OSVR HDK 2";
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static const char HDK13_PRODUCT_STRING[] = "OSVR HDK 1.3/1.4";
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static const char HDK1_PRODUCT_STRING[] = "OSVR HDK 1.x";
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static const char HDK12_PRODUCT_STRING[] = "OSVR HDK 1.2";
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int
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hdk_found(struct xrt_prober *xp,
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struct xrt_prober_device **devices,
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size_t num_devices,
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size_t index,
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cJSON *attached_data,
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struct xrt_device **out_xdev)
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{
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struct xrt_prober_device *dev = devices[index];
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unsigned char buf[256] = {0};
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int result = xrt_prober_get_string_descriptor(xp, dev, XRT_PROBER_STRING_PRODUCT, buf, sizeof(buf));
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enum HDK_VARIANT variant = HDK_UNKNOWN;
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const char *name = NULL;
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if (0 == strncmp(HDK2_PRODUCT_STRING, (const char *)buf, sizeof(buf))) {
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variant = HDK_VARIANT_2;
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name = HDK2_PRODUCT_STRING;
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} else if (0 == strncmp(HDK1_PRODUCT_STRING, (const char *)buf, sizeof(buf))) {
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variant = HDK_VARIANT_1_2;
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name = HDK12_PRODUCT_STRING;
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} else {
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//! @todo just assuming anything else is 1.3 for now
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variant = HDK_VARIANT_1_3_1_4;
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name = HDK13_PRODUCT_STRING;
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}
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U_LOG_I("%s - Found at least the tracker of some HDK (%s) -- opening\n", __func__, name);
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struct os_hid_device *hid = NULL;
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// Interface 2 is the HID interface.
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result = xrt_prober_open_hid_interface(xp, dev, 2, &hid);
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if (result != 0) {
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return -1;
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}
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struct hdk_device *hd = hdk_device_create(hid, variant);
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if (hd == NULL) {
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return -1;
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}
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*out_xdev = &hd->base;
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return 1;
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}
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