monado/src/xrt/drivers/vive/vive_prober.c
2022-05-17 17:40:58 -05:00

368 lines
9.9 KiB
C

// Copyright 2019-2022, Collabora, Ltd.
// SPDX-License-Identifier: BSL-1.0
/*!
* @file
* @brief drv_vive prober code.
* @author Lubosz Sarnecki <lubosz.sarnecki@collabora.com>
* @ingroup drv_vive
*/
#include <stdio.h>
#include "util/u_debug.h"
#include "util/u_prober.h"
#include "util/u_trace_marker.h"
#include "vive_device.h"
#include "vive_controller.h"
#include "vive_prober.h"
#include "xrt/xrt_config_drivers.h"
#ifdef XRT_BUILD_DRIVER_HANDTRACKING
#include "../ht/ht_interface.h"
#include "../multi_wrapper/multi.h"
#include "../ht_ctrl_emu/ht_ctrl_emu_interface.h"
DEBUG_GET_ONCE_BOOL_OPTION(vive_use_handtracking, "VIVE_USE_HANDTRACKING", false)
#endif
static const char VIVE_PRODUCT_STRING[] = "HTC Vive";
static const char VIVE_PRO_PRODUCT_STRING[] = "VIVE Pro";
static const char VALVE_INDEX_PRODUCT_STRING[] = "Index HMD";
static const char VALVE_INDEX_MANUFACTURER_STRING[] = "Valve";
static const char VIVE_MANUFACTURER_STRING[] = "HTC";
DEBUG_GET_ONCE_LOG_OPTION(vive_log, "VIVE_LOG", U_LOGGING_WARN)
static int
log_vive_string(struct xrt_prober *xp, struct xrt_prober_device *dev, enum xrt_prober_string type)
{
unsigned char s[256] = {0};
int len = xrt_prober_get_string_descriptor(xp, dev, type, s, sizeof(s));
if (len > 0) {
U_LOG_I("%s: %s", u_prober_string_to_string(type), s);
}
return len;
}
static void
log_vive_device(enum u_logging_level log_level, struct xrt_prober *xp, struct xrt_prober_device *dev)
{
if (log_level > U_LOGGING_INFO) {
return;
}
U_LOG_I("====== vive device ======");
U_LOG_I("Vendor: %04x", dev->vendor_id);
U_LOG_I("Product: %04x", dev->product_id);
U_LOG_I("Class: %d", dev->usb_dev_class);
U_LOG_I("Bus type: %s", u_prober_bus_type_to_string(dev->bus));
log_vive_string(xp, dev, XRT_PROBER_STRING_MANUFACTURER);
log_vive_string(xp, dev, XRT_PROBER_STRING_PRODUCT);
log_vive_string(xp, dev, XRT_PROBER_STRING_SERIAL_NUMBER);
}
static int
init_vive1(struct xrt_prober *xp,
struct xrt_prober_device *dev,
struct xrt_prober_device **devices,
size_t device_count,
enum u_logging_level log_level,
struct xrt_device **out_xdev)
{
log_vive_device(log_level, xp, dev);
if (!u_prober_match_string(xp, dev, XRT_PROBER_STRING_MANUFACTURER, VIVE_MANUFACTURER_STRING) ||
!u_prober_match_string(xp, dev, XRT_PROBER_STRING_PRODUCT, VIVE_PRODUCT_STRING)) {
return -1;
}
struct os_hid_device *sensors_dev = NULL;
struct os_hid_device *watchman_dev = NULL;
for (uint32_t i = 0; i < device_count; i++) {
struct xrt_prober_device *d = devices[i];
if (d->vendor_id != VALVE_VID && d->product_id != VIVE_LIGHTHOUSE_FPGA_RX)
continue;
log_vive_device(log_level, xp, d);
int result = xrt_prober_open_hid_interface(xp, d, 0, &sensors_dev);
if (result != 0) {
U_LOG_E("Could not open Vive sensors device.");
return -1;
}
result = xrt_prober_open_hid_interface(xp, d, 1, &watchman_dev);
if (result != 0) {
U_LOG_E("Could not open headset watchman device.");
return -1;
}
break;
}
if (sensors_dev == NULL) {
U_LOG_E("Could not find Vive sensors device.");
return -1;
}
if (watchman_dev == NULL) {
U_LOG_E("Could not find headset watchman device.");
return -1;
}
struct os_hid_device *mainboard_dev = NULL;
int result = xrt_prober_open_hid_interface(xp, dev, 0, &mainboard_dev);
if (result != 0) {
U_LOG_E("Could not open Vive mainboard device.");
free(sensors_dev);
return -1;
}
struct vive_device *d = vive_device_create(mainboard_dev, sensors_dev, watchman_dev, VIVE_VARIANT_VIVE);
if (d == NULL) {
free(sensors_dev);
free(mainboard_dev);
return -1;
}
*out_xdev = &d->base;
return 1;
}
static int
init_vive_pro(struct xrt_prober *xp,
struct xrt_prober_device *dev,
struct xrt_prober_device **devices,
size_t device_count,
enum u_logging_level log_level,
struct xrt_device **out_xdev)
{
XRT_TRACE_MARKER();
log_vive_device(log_level, xp, dev);
if (!u_prober_match_string(xp, dev, XRT_PROBER_STRING_MANUFACTURER, VIVE_MANUFACTURER_STRING) ||
!u_prober_match_string(xp, dev, XRT_PROBER_STRING_PRODUCT, VIVE_PRO_PRODUCT_STRING)) {
U_LOG_D("Vive Pro manufacturer string did not match.");
return -1;
}
struct os_hid_device *sensors_dev = NULL;
struct os_hid_device *watchman_dev = NULL;
for (uint32_t i = 0; i < device_count; i++) {
struct xrt_prober_device *d = devices[i];
if (d->vendor_id != VALVE_VID && d->product_id != VIVE_PRO_LHR_PID)
continue;
log_vive_device(log_level, xp, d);
int result = xrt_prober_open_hid_interface(xp, d, 0, &sensors_dev);
if (result != 0) {
U_LOG_E("Could not open Vive sensors device.");
return -1;
}
result = xrt_prober_open_hid_interface(xp, d, 1, &watchman_dev);
if (result != 0) {
U_LOG_E("Could not open headset watchman device.");
return -1;
}
break;
}
if (sensors_dev == NULL) {
U_LOG_E("Could not find Vive Pro sensors device.");
return -1;
}
if (watchman_dev == NULL) {
U_LOG_E("Could not find headset watchman device.");
return -1;
}
struct os_hid_device *mainboard_dev = NULL;
int result = xrt_prober_open_hid_interface(xp, dev, 0, &mainboard_dev);
if (result != 0) {
U_LOG_E("Could not open Vive mainboard device.");
free(sensors_dev);
return -1;
}
struct vive_device *d = vive_device_create(mainboard_dev, sensors_dev, watchman_dev, VIVE_VARIANT_PRO);
if (d == NULL) {
free(sensors_dev);
free(mainboard_dev);
return -1;
}
*out_xdev = &d->base;
return 1;
}
static int
init_valve_index(struct xrt_prober *xp,
struct xrt_prober_device *dev,
struct xrt_prober_device **devices,
size_t device_count,
enum u_logging_level log_level,
struct xrt_device **out_xdevs)
{
XRT_TRACE_MARKER();
log_vive_device(log_level, xp, dev);
if (!u_prober_match_string(xp, dev, XRT_PROBER_STRING_MANUFACTURER, VALVE_INDEX_MANUFACTURER_STRING) ||
!u_prober_match_string(xp, dev, XRT_PROBER_STRING_PRODUCT, VALVE_INDEX_PRODUCT_STRING)) {
U_LOG_E("Valve Index manufacturer string did not match.");
return -1;
}
struct os_hid_device *sensors_dev = NULL;
struct os_hid_device *watchman_dev = NULL;
int result = xrt_prober_open_hid_interface(xp, dev, 0, &sensors_dev);
if (result != 0) {
U_LOG_E("Could not open Index sensors device.");
return -1;
}
result = xrt_prober_open_hid_interface(xp, dev, 1, &watchman_dev);
if (result != 0) {
U_LOG_E("Could not open headset watchman device.");
return -1;
}
if (sensors_dev == NULL) {
U_LOG_E("Could not find Index sensors device.");
return -1;
}
if (watchman_dev == NULL) {
U_LOG_E("Could not find headset watchman device.");
return -1;
}
struct vive_device *d = vive_device_create(NULL, sensors_dev, watchman_dev, VIVE_VARIANT_INDEX);
if (d == NULL) {
return -1;
}
int out_idx = 0;
out_xdevs[out_idx++] = &d->base;
#ifdef XRT_BUILD_DRIVER_HANDTRACKING
if (debug_get_bool_option_vive_use_handtracking()) {
struct t_stereo_camera_calibration *cal = NULL;
struct xrt_pose head_in_left_cam;
// vive_get_stereo_camera_calibration(&ss->hmd->hmd.config, &cal, &head_in_left_cam);
vive_get_stereo_camera_calibration(&d->config, &cal, &head_in_left_cam);
struct xrt_device *ht = ht_device_create_index(xp, cal);
if (ht != NULL) { // Returns NULL if there's a problem and the hand tracker can't start. By no means a
// fatal error.
struct xrt_device *wrap =
multi_create_tracking_override(XRT_TRACKING_OVERRIDE_ATTACHED, ht, &d->base,
XRT_INPUT_GENERIC_HEAD_POSE, &head_in_left_cam);
struct xrt_device *two_hands[2];
cemu_devices_create(&d->base, wrap, two_hands);
out_xdevs[out_idx++] = two_hands[0];
out_xdevs[out_idx++] = two_hands[1];
}
// Don't need it anymore. And it's not even created unless we enter this codepath, which is somewhat
// hard.
t_stereo_camera_calibration_reference(&cal, NULL);
}
#endif
return out_idx;
}
int
vive_found(struct xrt_prober *xp,
struct xrt_prober_device **devices,
size_t device_count,
size_t index,
cJSON *attached_data,
struct xrt_device **out_xdev)
{
XRT_TRACE_MARKER();
struct xrt_prober_device *dev = devices[index];
enum u_logging_level log_level = debug_get_log_option_vive_log();
log_vive_device(log_level, xp, dev);
if (!xrt_prober_can_open(xp, dev)) {
U_LOG_E("Could not open Vive device.");
return -1;
}
switch (dev->product_id) {
case VIVE_PID: return init_vive1(xp, dev, devices, device_count, log_level, out_xdev);
case VIVE_PRO_MAINBOARD_PID: return init_vive_pro(xp, dev, devices, device_count, log_level, out_xdev);
case VIVE_PRO_LHR_PID: return init_valve_index(xp, dev, devices, device_count, log_level, out_xdev);
default: U_LOG_E("No product ids matched %.4x", dev->product_id); return -1;
}
return -1;
}
int
vive_controller_found(struct xrt_prober *xp,
struct xrt_prober_device **devices,
size_t device_count,
size_t index,
cJSON *attached_data,
struct xrt_device **out_xdevs)
{
XRT_TRACE_MARKER();
struct xrt_prober_device *dev = devices[index];
int ret;
static int controller_num = 0;
struct os_hid_device *controller_hid = NULL;
ret = xp->open_hid_interface(xp, dev, 0, &controller_hid);
if (ret != 0) {
U_LOG_E("Could not open Vive controller device.");
return -1;
}
enum watchman_gen gen = WATCHMAN_GEN_UNKNOWN;
if (dev->vendor_id == VALVE_VID && dev->product_id == VIVE_WATCHMAN_DONGLE) {
gen = WATCHMAN_GEN1;
} else if (dev->vendor_id == VALVE_VID && dev->product_id == VIVE_WATCHMAN_DONGLE_GEN2) {
gen = WATCHMAN_GEN2;
} else {
U_LOG_E("Unknown watchman gen");
}
struct vive_controller_device *d = vive_controller_create(controller_hid, gen, controller_num);
*out_xdevs = &d->base;
controller_num++;
return 1;
}