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i2c.rst

i2c.rst 2.0 KB
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  1. I2C
    2. 

  2. ===========
    3. 

  3. 

  4. Overview
    5. 

  5. --------
    6. 

  6. 

  7. ESP32 has two I2C controllers which can be set as master mode or slave mode.
    8. 

  8. 

  9. Application Example
    10. 

  10. -------------------
    11. 

  11. 

  12. I2C master and slave example: `examples/18_i2c <https://github.com/espressif/esp-idf/tree/master/examples/18_i2c>`_.
    13. 

  13. 

  14. API Reference
    15. 

  15. -------------
    16. 

  16. 

  17. Header Files
    18. 

  18. ^^^^^^^^^^^^
    19. 

  19. 

  20.   * `driver/include/driver/i2c.h <https://github.com/espressif/esp-idf/blob/master/components/driver/include/driver/i2c.h>`_
    21. 

  21. 

  22. Macros
    23. 

  23. ^^^^^^
    24. 

  24. 

  25. .. doxygendefine:: I2C_APB_CLK_FREQ
    26. 

  26. .. doxygendefine:: I2C_FIFO_LEN
    27. 

  27. 

  28. Type Definitions
    29. 

  29. ^^^^^^^^^^^^^^^^
    30. 

  30. 

  31. .. doxygentypedef:: i2c_cmd_handle_t
    32. 

  32. 

  33. Enumerations
    34. 

  34. ^^^^^^^^^^^^
    35. 

  35. 

  36. .. doxygenenum:: i2c_mode_t
    37. 

  37. .. doxygenenum:: i2c_rw_t
    38. 

  38. .. doxygenenum:: i2c_trans_mode_t
    39. 

  39. .. doxygenenum:: i2c_opmode_t
    40. 

  40. .. doxygenenum:: i2c_port_t
    41. 

  41. .. doxygenenum:: i2c_addr_mode_t
    42. 

  42. 

  43. Structures
    44. 

  44. ^^^^^^^^^^
    45. 

  45. 

  46. .. doxygenstruct:: i2c_config_t
    47. 

  47.     :members:
    48. 

  48. 

  49. 

  50. Functions
    51. 

  51. ^^^^^^^^^
    52. 

  52. 

  53. .. doxygenfunction:: i2c_driver_install
    54. 

  54. .. doxygenfunction:: i2c_driver_delete
    55. 

  55. .. doxygenfunction:: i2c_param_config
    56. 

  56. .. doxygenfunction:: i2c_reset_tx_fifo
    57. 

  57. .. doxygenfunction:: i2c_reset_rx_fifo
    58. 

  58. .. doxygenfunction:: i2c_isr_register
    59. 

  59. .. doxygenfunction:: i2c_isr_free
    60. 

  60. .. doxygenfunction:: i2c_set_pin
    61. 

  61. .. doxygenfunction:: i2c_master_start
    62. 

  62. .. doxygenfunction:: i2c_master_write_byte
    63. 

  63. .. doxygenfunction:: i2c_master_write
    64. 

  64. .. doxygenfunction:: i2c_master_read_byte
    65. 

  65. .. doxygenfunction:: i2c_master_read
    66. 

  66. .. doxygenfunction:: i2c_master_stop
    67. 

  67. .. doxygenfunction:: i2c_master_cmd_begin
    68. 

  68. .. doxygenfunction:: i2c_slave_write_buffer
    69. 

  69. .. doxygenfunction:: i2c_slave_read
    70. 

  70. .. doxygenfunction:: i2c_set_period
    71. 

  71. .. doxygenfunction:: i2s_get_period
    72. 

  72. .. doxygenfunction:: i2c_set_start_timing
    73. 

  73. .. doxygenfunction:: i2c_get_start_timing
    74. 

  74. .. doxygenfunction:: i2c_set_stop_timing
    75. 

  75. .. doxygenfunction:: i2c_get_stop_timing
    76. 

  76. .. doxygenfunction:: i2c_set_data_timing
    77. 

  77. .. doxygenfunction:: i2c_get_data_timing
    78. 

  78. .. doxygenfunction:: i2c_set_data_mode
    79. 

  79. .. doxygenfunction:: i2c_get_data_mode
    80. 

  80. .. doxygenfunction:: i2c_cmd_link_create
    81. 

  81. .. doxygenfunction:: i2c_cmd_link_delete
    82. 

  82.