esp-idf/docs/api/peripherals/i2c.rst
2017-01-16 23:08:35 +01:00

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I2C
===========
Overview
--------
ESP32 has two I2C controllers which can be set as master mode or slave mode.
Application Example
-------------------
I2C master and slave example: `examples/18_i2c <https://github.com/espressif/esp-idf/tree/master/examples/18_i2c>`_.
API Reference
-------------
Header Files
^^^^^^^^^^^^
* `driver/include/driver/i2c.h <https://github.com/espressif/esp-idf/blob/master/components/driver/include/driver/i2c.h>`_
Macros
^^^^^^
.. doxygendefine:: I2C_APB_CLK_FREQ
.. doxygendefine:: I2C_FIFO_LEN
Type Definitions
^^^^^^^^^^^^^^^^
.. doxygentypedef:: i2c_cmd_handle_t
Enumerations
^^^^^^^^^^^^
.. doxygenenum:: i2c_mode_t
.. doxygenenum:: i2c_rw_t
.. doxygenenum:: i2c_trans_mode_t
.. doxygenenum:: i2c_opmode_t
.. doxygenenum:: i2c_port_t
.. doxygenenum:: i2c_addr_mode_t
Structures
^^^^^^^^^^
.. doxygenstruct:: i2c_config_t
:members:
Functions
^^^^^^^^^
.. doxygenfunction:: i2c_driver_install
.. doxygenfunction:: i2c_driver_delete
.. doxygenfunction:: i2c_param_config
.. doxygenfunction:: i2c_reset_tx_fifo
.. doxygenfunction:: i2c_reset_rx_fifo
.. doxygenfunction:: i2c_isr_register
.. doxygenfunction:: i2c_isr_free
.. doxygenfunction:: i2c_set_pin
.. doxygenfunction:: i2c_master_start
.. doxygenfunction:: i2c_master_write_byte
.. doxygenfunction:: i2c_master_write
.. doxygenfunction:: i2c_master_read_byte
.. doxygenfunction:: i2c_master_read
.. doxygenfunction:: i2c_master_stop
.. doxygenfunction:: i2c_master_cmd_begin
.. doxygenfunction:: i2c_slave_write_buffer
.. doxygenfunction:: i2c_slave_read
.. doxygenfunction:: i2c_set_period
.. doxygenfunction:: i2c_get_period
.. doxygenfunction:: i2c_set_start_timing
.. doxygenfunction:: i2c_get_start_timing
.. doxygenfunction:: i2c_set_stop_timing
.. doxygenfunction:: i2c_get_stop_timing
.. doxygenfunction:: i2c_set_data_timing
.. doxygenfunction:: i2c_get_data_timing
.. doxygenfunction:: i2c_set_data_mode
.. doxygenfunction:: i2c_get_data_mode
.. doxygenfunction:: i2c_cmd_link_create
.. doxygenfunction:: i2c_cmd_link_delete