2016-12-16 15:41:04 +00:00
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I2C
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===========
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Overview
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--------
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ESP32 has two I2C controllers which can be set as master mode or slave mode.
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Application Example
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-------------------
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2017-01-16 22:08:36 +00:00
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I2C master and slave example: `examples/peripherals/i2c <https://github.com/espressif/esp-idf/tree/master/examples/peripherals/i2c>`_.
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2016-12-16 15:41:04 +00:00
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API Reference
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-------------
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Header Files
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^^^^^^^^^^^^
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* `driver/include/driver/i2c.h <https://github.com/espressif/esp-idf/blob/master/components/driver/include/driver/i2c.h>`_
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Macros
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^^^^^^
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.. doxygendefine:: I2C_APB_CLK_FREQ
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.. doxygendefine:: I2C_FIFO_LEN
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Type Definitions
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^^^^^^^^^^^^^^^^
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.. doxygentypedef:: i2c_cmd_handle_t
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Enumerations
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^^^^^^^^^^^^
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.. doxygenenum:: i2c_mode_t
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.. doxygenenum:: i2c_rw_t
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.. doxygenenum:: i2c_trans_mode_t
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.. doxygenenum:: i2c_opmode_t
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.. doxygenenum:: i2c_port_t
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.. doxygenenum:: i2c_addr_mode_t
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Structures
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^^^^^^^^^^
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.. doxygenstruct:: i2c_config_t
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:members:
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Functions
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^^^^^^^^^
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.. doxygenfunction:: i2c_driver_install
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.. doxygenfunction:: i2c_driver_delete
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.. doxygenfunction:: i2c_param_config
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.. doxygenfunction:: i2c_reset_tx_fifo
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.. doxygenfunction:: i2c_reset_rx_fifo
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.. doxygenfunction:: i2c_isr_register
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.. doxygenfunction:: i2c_isr_free
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.. doxygenfunction:: i2c_set_pin
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.. doxygenfunction:: i2c_master_start
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.. doxygenfunction:: i2c_master_write_byte
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.. doxygenfunction:: i2c_master_write
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.. doxygenfunction:: i2c_master_read_byte
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.. doxygenfunction:: i2c_master_read
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.. doxygenfunction:: i2c_master_stop
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.. doxygenfunction:: i2c_master_cmd_begin
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.. doxygenfunction:: i2c_slave_write_buffer
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.. doxygenfunction:: i2c_slave_read
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.. doxygenfunction:: i2c_set_period
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2017-01-07 12:14:40 +00:00
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.. doxygenfunction:: i2c_get_period
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2016-12-16 15:41:04 +00:00
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.. doxygenfunction:: i2c_set_start_timing
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.. doxygenfunction:: i2c_get_start_timing
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.. doxygenfunction:: i2c_set_stop_timing
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.. doxygenfunction:: i2c_get_stop_timing
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.. doxygenfunction:: i2c_set_data_timing
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.. doxygenfunction:: i2c_get_data_timing
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.. doxygenfunction:: i2c_set_data_mode
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.. doxygenfunction:: i2c_get_data_mode
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.. doxygenfunction:: i2c_cmd_link_create
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.. doxygenfunction:: i2c_cmd_link_delete
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