ds1624.h 3.9 KB

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  1. /**
  2. * Copyright (c) 2009 - 2018, Nordic Semiconductor ASA
  3. *
  4. * All rights reserved.
  5. *
  6. * Redistribution and use in source and binary forms, with or without modification,
  7. * are permitted provided that the following conditions are met:
  8. *
  9. * 1. Redistributions of source code must retain the above copyright notice, this
  10. * list of conditions and the following disclaimer.
  11. *
  12. * 2. Redistributions in binary form, except as embedded into a Nordic
  13. * Semiconductor ASA integrated circuit in a product or a software update for
  14. * such product, must reproduce the above copyright notice, this list of
  15. * conditions and the following disclaimer in the documentation and/or other
  16. * materials provided with the distribution.
  17. *
  18. * 3. Neither the name of Nordic Semiconductor ASA nor the names of its
  19. * contributors may be used to endorse or promote products derived from this
  20. * software without specific prior written permission.
  21. *
  22. * 4. This software, with or without modification, must only be used with a
  23. * Nordic Semiconductor ASA integrated circuit.
  24. *
  25. * 5. Any software provided in binary form under this license must not be reverse
  26. * engineered, decompiled, modified and/or disassembled.
  27. *
  28. * THIS SOFTWARE IS PROVIDED BY NORDIC SEMICONDUCTOR ASA "AS IS" AND ANY EXPRESS
  29. * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  30. * OF MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE
  31. * DISCLAIMED. IN NO EVENT SHALL NORDIC SEMICONDUCTOR ASA OR CONTRIBUTORS BE
  32. * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  33. * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
  34. * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  35. * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  36. * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
  37. * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  38. *
  39. */
  40. #ifndef DS1624_H
  41. #define DS1624_H
  42. /*lint ++flb "Enter library region" */
  43. #include <stdbool.h>
  44. #include <stdint.h>
  45. #ifdef __cplusplus
  46. extern "C" {
  47. #endif
  48. /** @file
  49. * @brief DS1624 digital temperature sensor driver.
  50. *
  51. *
  52. * @defgroup nrf_drivers_ds1624 DS1624 digital temperature sensor driver
  53. * @{
  54. * @ingroup ext_drivers
  55. * @brief DS1624 digital temperature sensor driver.
  56. */
  57. /**
  58. * @brief Function for initializing DS1624 temperature sensor to 1-shot mode.
  59. *
  60. * @note Before calling this function, you must initialize twi_master first.
  61. *
  62. * @param device_address Bits [2:0] for the device address. All other bits must be zero.
  63. * @return
  64. * @retval true If communication succeeded with the device.
  65. * @retval false If communication failed with the device.
  66. */
  67. bool ds1624_init(uint8_t device_address);
  68. /**
  69. * @brief Function for reading temperature from the sensor.
  70. *
  71. * @param temperature_in_celcius Memory location to store temperature in full celcius degrees.
  72. * @param temperature_fraction Memory location to store temperature's fraction part in 0.03125 celcius degree increments.
  73. * @return
  74. * @retval true Temperature was successfully read
  75. * @retval false Temperature reading failed or conversion was not yet complete
  76. */
  77. bool ds1624_temp_read(int8_t *temperature_in_celcius, int8_t *temperature_fraction);
  78. /**
  79. * @brief Function for starting temperature conversion. Valid data will be available 400 - 1000 milliseconds after exiting this function.
  80. *
  81. * @return
  82. * @retval true Temperature conversion started.
  83. * @retval false Temperature converion failed to start.
  84. */
  85. bool ds1624_start_temp_conversion(void);
  86. /**
  87. * @brief Function for checking if temperature conversion is done.
  88. *
  89. * @return
  90. * @retval true Temperature conversion done.
  91. * @retval false Temperature converion still in progress.
  92. */
  93. bool ds1624_is_temp_conversion_done(void);
  94. /**
  95. *@}
  96. **/
  97. /*lint --flb "Leave library region" */
  98. #ifdef __cplusplus
  99. }
  100. #endif
  101. #endif