SensorTimestampTsc.h 3.3 KB

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  1. /*
  2. * Copyright (c) 2020-2023, NVIDIA CORPORATION. All rights reserved.
  3. *
  4. * Redistribution and use in source and binary forms, with or without
  5. * modification, are permitted provided that the following conditions
  6. * are met:
  7. * * Redistributions of source code must retain the above copyright
  8. * notice, this list of conditions and the following disclaimer.
  9. * * Redistributions in binary form must reproduce the above copyright
  10. * notice, this list of conditions and the following disclaimer in the
  11. * documentation and/or other materials provided with the distribution.
  12. * * Neither the name of NVIDIA CORPORATION nor the names of its
  13. * contributors may be used to endorse or promote products derived
  14. * from this software without specific prior written permission.
  15. *
  16. * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY
  17. * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  18. * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  19. * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
  20. * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  21. * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  22. * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
  23. * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
  24. * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  25. * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  26. * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  27. */
  28. /**
  29. * @file
  30. * <b>Libargus Extension: TSC HW SensorTimestamp API</b>
  31. *
  32. * @b Description: This file defines the SensorTimestampTsc extension.
  33. */
  34. #ifndef _ARGUS_SENSOR_TIMESTAMP_TSC_H
  35. #define _ARGUS_SENSOR_TIMESTAMP_TSC_H
  36. namespace Argus
  37. {
  38. /**
  39. * Adds a timestamp interface to get TSC HW timestamp.
  40. * It introduces one new interface:
  41. * - Ext::ISensorTimestampTsc: gets TSC HW timestamp.
  42. * @defgroup ArgusExtSensorTimestampTsc Ext::SensorTimestampTsc
  43. * @ingroup ArgusExtensions
  44. */
  45. DEFINE_UUID(ExtensionName, EXT_SENSOR_TIMESTAMP_TSC, e6cc1360,06ea,11eb,8b6e,08,00,20,0c,9a,66);
  46. namespace Ext
  47. {
  48. /**
  49. * @class ISensorTimestampTsc
  50. *
  51. * Interface used to get TSC HW timestamp
  52. *
  53. * @ingroup ArgusCaptureMetadata ArgusExtSensorTimestampTsc
  54. */
  55. DEFINE_UUID(InterfaceID, IID_SENSOR_TIMESTAMP_TSC, 35581ba0,06eb,11eb,8b6e,08,00,20,0c,9a,66);
  56. class ISensorTimestampTsc : public Interface
  57. {
  58. public:
  59. static const InterfaceID& id() { return IID_SENSOR_TIMESTAMP_TSC; }
  60. /**
  61. * Returns the VI HW (SOF) timestamp based on tegra wide timestamp system counter (TSC)
  62. * This is the start timestamp for the sensor (in nanoseconds).
  63. */
  64. virtual uint64_t getSensorSofTimestampTsc() const = 0;
  65. /**
  66. * Returns the VI HW (EOF) timestamp based on tegra wide timestamp system counter (TSC)
  67. * This is the end timestamp for the sensor (in nanoseconds).
  68. */
  69. virtual uint64_t getSensorEofTimestampTsc() const = 0;
  70. /**
  71. * Returns the VI HW (SOF) timestamp for second sensor based on tegra wide
  72. * timestamp system counter (TSC)
  73. * This is the start timestamp for the sensor (in nanoseconds).
  74. */
  75. virtual uint64_t getSensorSofTimestampTsc2() const = 0;
  76. protected:
  77. ~ISensorTimestampTsc() {}
  78. };
  79. } // namespace Ext
  80. } // namespace Argus
  81. #endif