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Merge branch 'bugfix/riscv_i2c_description' into 'master'

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i2c: fix the controller count in the header description

Closes IDFGH-6476

See merge request espressif/esp-idf!16718
This commit is contained in:
Zim Kalinowski
2022-01-26 03:13:07 +00:00
parent 41761fc762 bb730292d4
commit 67f51a4ce5
10 changed files with 50 additions and 84 deletions
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10
docs/en/api-reference/peripherals/i2c.rst
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@@ -3,6 +3,8 @@ Inter-Integrated Circuit (I2C)
:link_to_translation:`zh_CN:[中文]`
{IDF_TARGET_I2C_NUM:default="2", esp32c3="1", esp32h2="1", esp328684="1"}
Overview
--------
@@ -10,13 +12,7 @@ I2C is a serial, synchronous, half-duplex communication protocol that allows co-
With such advantages as simplicity and low manufacturing cost, I2C is mostly used for communication of low-speed peripheral devices over short distances (within one foot).
.. only:: esp32c3
{IDF_TARGET_NAME} has only one I2C controller (also referred to as port) which is responsible for handling communications on I2C bus. The I2C controller can operate as master or slave.
.. only:: not esp32c3
{IDF_TARGET_NAME} has two I2C controllers (also referred to as ports) which are responsible for handling communications on the I2C bus. Each I2C controller can operate as master or slave. As an example, one controller can act as a master and the other as a slave at the same time.
{IDF_TARGET_NAME} has {IDF_TARGET_I2C_NUM} I2C controller (also referred to as port), responsible for handling communications on the I2C bus. A single I2C controller can operate as master or slave.
Driver Features
---------------