Read the Docs build information
Build id: 623435
Project: espressif-esp-iot-solution
Version: latest
Commit: 34457c7959babfe41e88bb232ef3ae7147335243
Date: 2021-04-30T02:58:36.179773Z
State: finished
Success: True


[rtd-command-info] start-time: 2021-04-30T02:58:37.921333Z, end-time: 2021-04-30T02:58:41.732035Z, duration: 3, exit-code: 0
git clone --no-single-branch --depth 50 https://github.com/espressif/esp-iot-solution .
Cloning into '.'...

[rtd-command-info] start-time: 2021-04-30T02:58:41.925660Z, end-time: 2021-04-30T02:58:42.364780Z, duration: 0, exit-code: 0
git checkout --force origin/master
Note: checking out 'origin/master'.

You are in 'detached HEAD' state. You can look around, make experimental
changes and commit them, and you can discard any commits you make in this
state without impacting any branches by performing another checkout.

If you want to create a new branch to retain commits you create, you may
do so (now or later) by using -b with the checkout command again. Example:

  git checkout -b <new-branch-name>

HEAD is now at 34457c7 Merge branch 'doc/fix_language_links' into 'master'

[rtd-command-info] start-time: 2021-04-30T02:58:42.495763Z, end-time: 2021-04-30T02:58:42.568017Z, duration: 0, exit-code: 0
git clean -d -f -f


[rtd-command-info] start-time: 2021-04-30T02:58:43.730388Z, end-time: 2021-04-30T02:58:48.291764Z, duration: 4, exit-code: 0
python3.7 -mvirtualenv 
Using base prefix '/home/docs/.pyenv/versions/3.7.9'
New python executable in /home/docs/checkouts/readthedocs.org/user_builds/espressif-esp-iot-solution/envs/latest/bin/python3.7
Also creating executable in /home/docs/checkouts/readthedocs.org/user_builds/espressif-esp-iot-solution/envs/latest/bin/python
Installing setuptools, pip, wheel...
done.

[rtd-command-info] start-time: 2021-04-30T02:58:48.403461Z, end-time: 2021-04-30T02:58:49.635618Z, duration: 1, exit-code: 0
python -m pip install --upgrade --no-cache-dir pip setuptools
Requirement already satisfied: pip in /home/docs/checkouts/readthedocs.org/user_builds/espressif-esp-iot-solution/envs/latest/lib/python3.7/site-packages (21.1)
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[rtd-command-info] start-time: 2021-04-30T02:58:49.743047Z, end-time: 2021-04-30T02:58:58.226102Z, duration: 8, exit-code: 0
python -m pip install --upgrade --no-cache-dir mock==1.0.1 pillow==5.4.1 alabaster>=0.7,<0.8,!=0.7.5 commonmark==0.8.1 recommonmark==0.5.0 sphinx<2 sphinx-rtd-theme<0.5 readthedocs-sphinx-ext<2.2
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Building wheels for collected packages: mock, future
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Successfully built mock future
Installing collected packages: urllib3, sphinxcontrib-serializinghtml, pytz, pyparsing, MarkupSafe, idna, chardet, certifi, sphinxcontrib-websupport, snowballstemmer, six, requests, Pygments, packaging, Jinja2, imagesize, future, docutils, babel, alabaster, sphinx, commonmark, sphinx-rtd-theme, recommonmark, readthedocs-sphinx-ext, pillow, mock
Successfully installed Jinja2-2.11.3 MarkupSafe-1.1.1 Pygments-2.8.1 alabaster-0.7.12 babel-2.9.1 certifi-2020.12.5 chardet-4.0.0 commonmark-0.8.1 docutils-0.17.1 future-0.18.2 idna-2.10 imagesize-1.2.0 mock-1.0.1 packaging-20.9 pillow-5.4.1 pyparsing-2.4.7 pytz-2021.1 readthedocs-sphinx-ext-2.1.4 recommonmark-0.5.0 requests-2.25.1 six-1.15.0 snowballstemmer-2.1.0 sphinx-1.8.5 sphinx-rtd-theme-0.4.3 sphinxcontrib-serializinghtml-1.1.4 sphinxcontrib-websupport-1.2.4 urllib3-1.26.4

[rtd-command-info] start-time: 2021-04-30T02:58:58.329281Z, end-time: 2021-04-30T02:59:12.713135Z, duration: 14, exit-code: 0
python -m pip install --exists-action=w --no-cache-dir -r docs/requirements.txt
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Building wheels for collected packages: wavedrom, cairocffi, funcparserlib, xcffib
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Successfully built wavedrom cairocffi funcparserlib xcffib
Installing collected packages: webencodings, pycparser, webcolors, tinycss2, funcparserlib, cffi, svgwrite, sphinxcontrib-qthelp, sphinxcontrib-jsmath, sphinxcontrib-htmlhelp, sphinxcontrib-devhelp, sphinxcontrib-applehelp, defusedxml, cssselect2, cairocffi, blockdiag, attrdict, xcffib, wavedrom, sphinx, seqdiag, nwdiag, cairosvg, actdiag, sphinxcontrib-wavedrom, sphinxcontrib-seqdiag, sphinxcontrib-nwdiag, sphinxcontrib-blockdiag, sphinxcontrib-actdiag, sphinx-notfound-page, breathe
  Attempting uninstall: sphinx
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Successfully installed actdiag-2.0.0 attrdict-2.0.1 blockdiag-2.0.1 breathe-4.14.1 cairocffi-1.2.0 cairosvg-2.5.2 cffi-1.14.5 cssselect2-0.4.1 defusedxml-0.7.1 funcparserlib-0.3.6 nwdiag-2.0.0 pycparser-2.20 seqdiag-2.0.0 sphinx-2.3.1 sphinx-notfound-page-0.6 sphinxcontrib-actdiag-2.0.0 sphinxcontrib-applehelp-1.0.2 sphinxcontrib-blockdiag-2.0.0 sphinxcontrib-devhelp-1.0.2 sphinxcontrib-htmlhelp-1.0.3 sphinxcontrib-jsmath-1.0.1 sphinxcontrib-nwdiag-2.0.0 sphinxcontrib-qthelp-1.0.3 sphinxcontrib-seqdiag-2.0.0 sphinxcontrib-wavedrom-2.0.0 svgwrite-1.4.1 tinycss2-1.1.0 wavedrom-2.0.3.post2 webcolors-1.11.1 webencodings-0.5.1 xcffib-0.11.1

[rtd-command-info] start-time: 2021-04-30T02:59:13.601754Z, end-time: 2021-04-30T02:59:13.673637Z, duration: 0, exit-code: 0
cat docs/en/conf.py
# -*- coding: utf-8 -*-
#
# English Language RTD & Sphinx config file
#
# Uses ../conf_common.py for most non-language-specific settings.

# Importing conf_common adds all the non-language-specific
# parts to this conf module
import sys, os
sys.path.insert(0, os.path.abspath('../'))
from conf_common import *

# General information about the project.
project = u'ESP-IoT-Solution'
copyright = u'2016 - 2020, Espressif Systems (Shanghai) CO., LTD'

# The language for content autogenerated by Sphinx. Refer to documentation
# for a list of supported languages.
language = 'en'

# Grouping the document tree into LaTeX files. List of tuples
# (source start file, target name, title,
#  author, documentclass [howto, manual, or own class]).
latex_documents = [
  ('index', 'ReadtheDocsTemplate.tex', u'ESP-IoT-Solution',
   u'2016 - 2020, Espressif Systems (Shanghai) CO., LTD', 'manual'),
]




###########################################################################
#          auto-created readthedocs.org specific configuration            #
###########################################################################


#
# The following code was added during an automated build on readthedocs.org
# It is auto created and injected for every build. The result is based on the
# conf.py.tmpl file found in the readthedocs.org codebase:
# https://github.com/rtfd/readthedocs.org/blob/master/readthedocs/doc_builder/templates/doc_builder/conf.py.tmpl
#
# Note: this file should't rely on extra depencies.

import importlib
import sys
import os.path

# Borrowed from six.
PY3 = sys.version_info[0] == 3
string_types = str if PY3 else basestring

from sphinx import version_info

# Get suffix for proper linking to GitHub
# This is deprecated in Sphinx 1.3+,
# as each page can have its own suffix
if globals().get('source_suffix', False):
    if isinstance(source_suffix, string_types):
        SUFFIX = source_suffix
    elif isinstance(source_suffix, (list, tuple)):
        # Sphinx >= 1.3 supports list/tuple to define multiple suffixes
        SUFFIX = source_suffix[0]
    elif isinstance(source_suffix, dict):
        # Sphinx >= 1.8 supports a mapping dictionary for multiple suffixes
        SUFFIX = list(source_suffix.keys())[0]  # make a ``list()`` for py2/py3 compatibility
    else:
        # default to .rst
        SUFFIX = '.rst'
else:
    SUFFIX = '.rst'

# Add RTD Static Path. Add to the end because it overwrites previous files.
if not 'html_static_path' in globals():
    html_static_path = []
if os.path.exists('_static'):
    html_static_path.append('_static')

# Add RTD Theme only if they aren't overriding it already
using_rtd_theme = (
    (
        'html_theme' in globals() and
        html_theme in ['default'] and
        # Allow people to bail with a hack of having an html_style
        'html_style' not in globals()
    ) or 'html_theme' not in globals()
)
if using_rtd_theme:
    theme = importlib.import_module('sphinx_rtd_theme')
    html_theme = 'sphinx_rtd_theme'
    html_style = None
    html_theme_options = {}
    if 'html_theme_path' in globals():
        html_theme_path.append(theme.get_html_theme_path())
    else:
        html_theme_path = [theme.get_html_theme_path()]

if globals().get('websupport2_base_url', False):
    websupport2_base_url = 'https://readthedocs.com/websupport'
    websupport2_static_url = 'https://assets.readthedocs.com/'


#Add project information to the template context.
context = {
    'using_theme': using_rtd_theme,
    'html_theme': html_theme,
    'current_version': "latest",
    'version_slug': "latest",
    'MEDIA_URL': "https://media.readthedocs.com/media/",
    'STATIC_URL': "https://assets.readthedocs.com/",
    'PRODUCTION_DOMAIN': "readthedocs.com",
    'versions': [
    ("latest", "/en/latest/"),
    ],
    'downloads': [ 
    ("pdf", "//docs.espressif.com/_/downloads/espressif-esp-iot-solution/en/latest/pdf/"),
    ("html", "//docs.espressif.com/_/downloads/espressif-esp-iot-solution/en/latest/htmlzip/"),
    ],
    'subprojects': [ 
    ],
    'slug': 'espressif-esp-iot-solution',
    'name': u'esp-iot-solution',
    'rtd_language': u'en',
    'programming_language': u'c',
    'canonical_url': 'https://docs.espressif.com/projects/espressif-esp-iot-solution/en/latest/',
    'analytics_code': 'UA-132861133-1',
    'single_version': False,
    'conf_py_path': '/docs/en/',
    'api_host': 'https://readthedocs.com',
    'github_user': 'espressif',
    'proxied_api_host': '/_',
    'github_repo': 'esp-iot-solution',
    'github_version': 'master',
    'display_github': True,
    'bitbucket_user': 'None',
    'bitbucket_repo': 'None',
    'bitbucket_version': 'master',
    'display_bitbucket': False,
    'gitlab_user': 'None',
    'gitlab_repo': 'None',
    'gitlab_version': 'master',
    'display_gitlab': False,
    'READTHEDOCS': True,
    'using_theme': (html_theme == "default"),
    'new_theme': (html_theme == "sphinx_rtd_theme"),
    'source_suffix': SUFFIX,
    'ad_free': False,
    'docsearch_disabled': False,
    'user_analytics_code': 'UA-132861133-1',
    'global_analytics_code': 'UA-17997319-2',
    'commit': '34457c79',
}

# For sphinx >=1.8 we can use html_baseurl to set the canonical URL.
# https://www.sphinx-doc.org/en/master/usage/configuration.html#confval-html_baseurl
if version_info >= (1, 8):
    if not globals().get('html_baseurl'):
        html_baseurl = context['canonical_url']
    context['canonical_url'] = None





if 'html_context' in globals():
    
    html_context.update(context)
    
else:
    html_context = context

# Add custom RTD extension
if 'extensions' in globals():
    # Insert at the beginning because it can interfere
    # with other extensions.
    # See https://github.com/rtfd/readthedocs.org/pull/4054
    extensions.insert(0, "readthedocs_ext.readthedocs")
else:
    extensions = ["readthedocs_ext.readthedocs"]

# Add External version warning banner to the external version documentation
if 'branch' == 'external':
    extensions.insert(1, "readthedocs_ext.external_version_warning")
    readthedocs_vcs_url = 'None'
    readthedocs_build_url = 'https://readthedocs.com/projects/espressif-esp-iot-solution/builds/623435/'

project_language = 'en'

# User's Sphinx configurations
language_user = globals().get('language', None)
latex_engine_user = globals().get('latex_engine', None)
latex_elements_user = globals().get('latex_elements', None)

# Remove this once xindy gets installed in Docker image and XINDYOPS
# env variable is supported
# https://github.com/rtfd/readthedocs-docker-images/pull/98
latex_use_xindy = False

chinese = any([
    language_user in ('zh_CN', 'zh_TW'),
    project_language in ('zh_CN', 'zh_TW'),
])

japanese = any([
    language_user == 'ja',
    project_language == 'ja',
])

if chinese:
    latex_engine = latex_engine_user or 'xelatex'

    latex_elements_rtd = {
        'preamble': '\\usepackage[UTF8]{ctex}\n',
    }
    latex_elements = latex_elements_user or latex_elements_rtd
elif japanese:
    latex_engine = latex_engine_user or 'platex'

# Make sure our build directory is always excluded
exclude_patterns = globals().get('exclude_patterns', [])
exclude_patterns.extend(['_build'])

[rtd-command-info] start-time: 2021-04-30T02:59:13.807725Z, end-time: 2021-04-30T02:59:37.216913Z, duration: 23, exit-code: 0
python -m sphinx -T -E -b html -d _build/doctrees -D language=en . _build/html
Running Sphinx v2.3.1
Getting Doxyfile's INPUT
Generating 'api_name.inc' files with Doxygen directives
fatal: No names found, cannot describe anything.
Calling Doxygen to generate latest XML files
Version:   Release: 
loading translations [en]... done
fatal: No names found, cannot describe anything.
Git commit ID:  34457c7
making output directory... done
building [mo]: targets for 0 po files that are out of date
building [html]: targets for 53 source files that are out of date
updating environment: [new config] 53 added, 0 changed, 0 removed
reading sources... [  1%] DFS_and_light_sleep/DFS_test_manual
reading sources... [  3%] DFS_and_light_sleep/index
reading sources... [  5%] DFS_and_light_sleep/light_sleep_performance
reading sources... [  7%] audio/dac_audio
reading sources... [  9%] audio/index
reading sources... [ 11%] audio/pwm_audio
reading sources... [ 13%] basic/boards
reading sources... [ 15%] basic/bus
reading sources... [ 16%] basic/i2s_lcd
reading sources... [ 18%] basic/index
reading sources... [ 20%] contribute/index
reading sources... [ 22%] contribute/style-guide
reading sources... [ 24%] display/digit_tube
reading sources... [ 26%] display/index
reading sources... [ 28%] display/led_indicator
reading sources... [ 30%] display/screen
reading sources... [ 32%] gettingstarted
reading sources... [ 33%] gui/index
reading sources... [ 35%] gui/lvgl_gui
reading sources... [ 37%] hmi_solution/hmi_workflow
reading sources... [ 39%] hmi_solution/index
reading sources... [ 41%] hmi_solution/littlevgl_guide
reading sources... [ 43%] hmi_solution/ugfx_guide
reading sources... [ 45%] hw-reference/ESP-Prog_guide
reading sources... [ 47%] hw-reference/ESP32-MeshKit-Sense_guide
reading sources... [ 49%] hw-reference/ESP32_LCDKit_guide
reading sources... [ 50%] hw-reference/esp32_sense_kit_guide
reading sources... [ 52%] index
reading sources... [ 54%] input_device/button
reading sources... [ 56%] input_device/index
reading sources... [ 58%] input_device/touch_panel
reading sources... [ 60%] low_power_solution/deep-sleep_current_test
reading sources... [ 62%] low_power_solution/esp32_lowpower_solution
reading sources... [ 64%] low_power_solution/esp32_ulp_co-processor_and_assembly_environment_setup
reading sources... [ 66%] low_power_solution/index
reading sources... [ 67%] motor/index
reading sources... [ 69%] motor/servo
reading sources... [ 71%] others/index
reading sources... [ 73%] others/io_expander
reading sources... [ 75%] security_solution/flash_encryption
reading sources... [ 77%] security_solution/index
reading sources... [ 79%] security_solution/mass_produce
reading sources... [ 81%] security_solution/secure_boot
reading sources... [ 83%] sensors/gesture
reading sources... [ 84%] sensors/humiture
reading sources... [ 86%] sensors/imu
reading sources... [ 88%] sensors/index
reading sources... [ 90%] sensors/light_sensor
reading sources... [ 92%] sensors/pressure
reading sources... [ 94%] sensors/sensor_hub
reading sources... [ 96%] storage/file_system
reading sources... [ 98%] storage/index
reading sources... [100%] storage/storage_media

looking for now-outdated files... none found
pickling environment... done
checking consistency... done
preparing documents... done
writing output... [  1%] DFS_and_light_sleep/DFS_test_manual
writing output... [  3%] DFS_and_light_sleep/index
writing output... [  5%] DFS_and_light_sleep/light_sleep_performance
writing output... [  7%] audio/dac_audio
writing output... [  9%] audio/index
writing output... [ 11%] audio/pwm_audio
writing output... [ 13%] basic/boards
writing output... [ 15%] basic/bus
writing output... [ 16%] basic/i2s_lcd
writing output... [ 18%] basic/index
writing output... [ 20%] contribute/index
writing output... [ 22%] contribute/style-guide
writing output... [ 24%] display/digit_tube
writing output... [ 26%] display/index
writing output... [ 28%] display/led_indicator
writing output... [ 30%] display/screen
writing output... [ 32%] gettingstarted
writing output... [ 33%] gui/index
writing output... [ 35%] gui/lvgl_gui
writing output... [ 37%] hmi_solution/hmi_workflow
writing output... [ 39%] hmi_solution/index
writing output... [ 41%] hmi_solution/littlevgl_guide
writing output... [ 43%] hmi_solution/ugfx_guide
writing output... [ 45%] hw-reference/ESP-Prog_guide
writing output... [ 47%] hw-reference/ESP32-MeshKit-Sense_guide
writing output... [ 49%] hw-reference/ESP32_LCDKit_guide
writing output... [ 50%] hw-reference/esp32_sense_kit_guide
writing output... [ 52%] index
writing output... [ 54%] input_device/button
writing output... [ 56%] input_device/index
writing output... [ 58%] input_device/touch_panel
writing output... [ 60%] low_power_solution/deep-sleep_current_test
writing output... [ 62%] low_power_solution/esp32_lowpower_solution
writing output... [ 64%] low_power_solution/esp32_ulp_co-processor_and_assembly_environment_setup
writing output... [ 66%] low_power_solution/index
writing output... [ 67%] motor/index
writing output... [ 69%] motor/servo
writing output... [ 71%] others/index
writing output... [ 73%] others/io_expander
writing output... [ 75%] security_solution/flash_encryption
writing output... [ 77%] security_solution/index
writing output... [ 79%] security_solution/mass_produce
writing output... [ 81%] security_solution/secure_boot
writing output... [ 83%] sensors/gesture
writing output... [ 84%] sensors/humiture
writing output... [ 86%] sensors/imu
writing output... [ 88%] sensors/index
writing output... [ 90%] sensors/light_sensor
writing output... [ 92%] sensors/pressure
writing output... [ 94%] sensors/sensor_hub
writing output... [ 96%] storage/file_system
writing output... [ 98%] storage/index
writing output... [100%] storage/storage_media

generating indices...  genindexdone
writing additional pages...  searchdone
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copying static files... ... done
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dumping object inventory... done
build succeeded.

The HTML pages are in _build/html.
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[rtd-command-info] start-time: 2021-04-30T02:59:37.451536Z, end-time: 2021-04-30T02:59:40.464125Z, duration: 3, exit-code: 0
python -m sphinx -T -b readthedocssinglehtmllocalmedia -d _build/doctrees -D language=en . _build/localmedia
Running Sphinx v2.3.1
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copying static files... ... done
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build succeeded.

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[rtd-command-info] start-time: 2021-04-30T02:59:40.729368Z, end-time: 2021-04-30T02:59:43.601040Z, duration: 2, exit-code: 0
python -m sphinx -b latex -D language=en -d _build/doctrees . _build/latex
Running Sphinx v2.3.1
Getting Doxyfile's INPUT
Generating 'api_name.inc' files with Doxygen directives
fatal: No names found, cannot describe anything.
Calling Doxygen to generate latest XML files
Version:   Release: 
loading translations [en]... done
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Git commit ID:  34457c7
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copying TeX support files... copying TeX support files...
done
build succeeded.

The LaTeX files are in _build/latex.
Run 'make' in that directory to run these through (pdf)latex
(use `make latexpdf' here to do that automatically).
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[rtd-command-info] start-time: 2021-04-30T02:59:49.837639Z, end-time: 2021-04-30T02:59:49.926213Z, duration: 0, exit-code: 0
cat latexmkrc
$latex = 'xelatex --no-pdf ' . $ENV{'LATEXOPTS'} . ' %O %S';
$pdflatex = 'xelatex ' . $ENV{'LATEXOPTS'} . ' %O %S';
$lualatex = 'lualatex ' . $ENV{'LATEXOPTS'} . ' %O %S';
$xelatex = 'xelatex --no-pdf ' . $ENV{'LATEXOPTS'} . ' %O %S';
$makeindex = 'makeindex -s python.ist %O -o %D %S';
add_cus_dep( "glo", "gls", 0, "makeglo" );
sub makeglo {
 return system( "makeindex -s gglo.ist -o '$_[0].gls' '$_[0].glo'" );
}

[rtd-command-info] start-time: 2021-04-30T02:59:50.033758Z, end-time: 2021-04-30T03:00:08.804386Z, duration: 18, exit-code: 0
latexmk -r latexmkrc -pdf -f -dvi- -ps- -jobname=espressif-esp-iot-solution -interaction=nonstopmode
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[1] [2]
Chapter 1.

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[]\TU/FreeSans(0)/m/n/10 ESP-IoT-

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[]\TU/FreeSans(0)/m/n/10 Corresponding
[3]

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[4] [5] [6] [7] [8]
Chapter 2.
[9]

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1.


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[10]

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[]\TU/FreeSerif(0)/m/n/10 When the address of a register is 16-bit, you can use
 \TU/FreeMono(0)/m/it/10 i2c_bus_read_reg16() \TU/FreeSerif(0)/m/n/10 or

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ce_tPK12spi_config_t' on page 11 undefined on input line 543.


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s_handle_tPK19spi_device_config_t' on page 11 undefined on input line 546.


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[]\TU/FreeSerif(0)/m/n/10 Data transmission: use \TU/FreeMono(0)/m/it/10 spi_bu
s_transfer_byte()\TU/FreeSerif(0)/m/n/10 , \TU/FreeMono(0)/m/it/10 spi_bus_tran
sfer_bytes()\TU/FreeSerif(0)/m/n/10 ,

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[13]

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[]\TU/FreeSerif(0)/m/it/10 i2c_bus_handle_t bus_handle\TU/FreeSerif(0)/m/n/10 ,
 uint8_t \TU/FreeSerif(0)/m/it/10 dev_addr\TU/FreeSerif(0)/m/n/10 ,

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\TU/FreeSerif(0)/m/n/10 Delete and release the I2C device resource, i2c_bus_dev
ice_delete should be used in pairs with

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[14]

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[]\TU/FreeSerif(0)/m/it/10 i2c_bus_device_handle_t dev_handle\TU/FreeSerif(0)/m
/n/10 , uint8_t \TU/FreeSerif(0)/m/it/10 mem_address\TU/FreeSerif(0)/m/n/10 , s
ize_t

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[]\TU/FreeSerif(0)/m/it/10 i2c_bus_device_handle_t dev_handle\TU/FreeSerif(0)/m
/n/10 , uint8_t \TU/FreeSerif(0)/m/it/10 mem_address\TU/FreeSerif(0)/m/n/10 , u
int8_t

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[]\TU/FreeSerif(0)/m/it/10 i2c_bus_device_handle_t dev_handle\TU/FreeSerif(0)/m
/n/10 , uint8_t \TU/FreeSerif(0)/m/it/10 mem_address\TU/FreeSerif(0)/m/n/10 , s
ize_t
[16]

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int8_t

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[]\TU/FreeSerif(0)/m/it/10 i2c_bus_device_handle_t dev_handle\TU/FreeSerif(0)/m
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[]\TU/FreeSerif(0)/m/it/10 i2c_bus_device_handle_t dev_handle\TU/FreeSerif(0)/m
/n/10 , uint16_t \TU/FreeSerif(0)/m/it/10 mem_address\TU/FreeSerif(0)/m/n/10 , 
size_t
[18] [19]

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[]\TU/FreeSerif(0)/m/it/10 spi_bus_handle_t bus_handle\TU/FreeSerif(0)/m/n/10 ,
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[]\TU/FreeSerif(0)/m/it/10 spi_bus_device_handle_t dev_handle\TU/FreeSerif(0)/m
/n/10 , uint8_t \TU/FreeSerif(0)/m/it/10 data_out\TU/FreeSerif(0)/m/n/10 , uint
8_t
[20]

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[24] [25]

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Chapter 3.
[31] [32] [33]

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\TU/FreeSerif(0)/bx/n/10 Note:  \TU/FreeSerif(0)/m/n/10 Please remember to sele
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/FreeSerif(0)/m/n/10 for I2S interface; select

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[]\TU/FreeSerif(0)/m/n/10 To facilitate the use of these interfaces in the driv
er, all interfaces are defined in [][]dis-

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[]\TU/FreeSerif(0)/m/it/10 scr_interface_type_t type\TU/FreeSerif(0)/m/n/10 , v
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[]\TU/FreeSans(0)/m/n/10 Inter-

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[]\TU/FreeSerif(0)/m/n/10 IS31FL3XXX| 

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[46] [47] [48] [49]

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[50]

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\TU/FreeSerif(0)/bx/n/10 Note:  \TU/FreeSerif(0)/m/n/10 This component supports
 thread-safe operations. You can share the LED indicator handle

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[54]
Chapter 4.
[55] [56]

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[61] [62] [63] [64]
Chapter 5.
[65] [66] [67] [68]
Chapter 6.

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[]\TU/FreeSerif(0)/m/n/10 ADC 按键优点有：可多个按键共用一个 ADC 通道，占用 IO 资源少；缺点有：不能同时按下多按键，当按
键因氧化等因素导致闭合电阻增大时，容易误触，稳定性不高。 
[69] [70]

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Chapter 7.
[81]

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[100] [101] [102]
Chapter 8.

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[105] [106] [107] [108]
Chapter 9.
[109] [110]

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Chapter 10.

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[]\TU/FreeSerif(0)/m/n/10 一般使用情况下一共有4次机会通过串口烧写 flash ，通过 OTA 更新 flash数据没有次数限制。开
发阶段可以在 menucon-

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[115]
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会将 efuse

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的命令，按提示执行命令即可。但在产品级使用中，建议使用
[116]
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[]\TU/FreeSerif(0)/m/n/10 make menuconfig 中使能 secure boot 和 flash encrypt，“Secu
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[117] [118] [119] [120]
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se 中, 密钥写入后，对应的 efuse block

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[121] [122]
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[]\TU/FreeSerif(0)/m/n/10 我们也可以使用 window 平台的下载工具来完成工厂下载。需要在配置文件中，关闭工具的 security
 功能，这样工具端就不会操作 security
[123]
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[]\TU/FreeSerif(0)/m/n/10 下载完成后，需要运行一次程序，使 bootloader 完成 security 相关特性的初始化，包括AE
S密钥的随机生成并写入EFUSE，以及对明文的flash进行首次加密。 
[124] [125] [126]
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[]\TU/FreeSerif(0)/m/n/10 使用下载工具进行下载，若不希望工具修改任何配置参数(比如 flash 频率和模式)，请勾选 ‘DoNotC
hgBin’
[127] [128]
Chapter 11.
[129] [130]
Chapter 12.

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[]\TU/FreeSerif(0)/m/n/10 但是请注意，如果有人添加了一个新行，第一个参数是一个更长的标识符(例如PIN_CAM_VSYNC)，它将不
适合。因为必须重新对齐其他行，这添加了无意义的更改。因此，尽量少使用这种对齐，特别是如果您希望稍后将新行添加到这列中。 
[136]
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[]\TU/FreeSerif(0)/m/n/10 如果不再需要某些代码，则将其完全删除。如果你需要，你可以随时在 git 历史中查找这个文件。如果您因为临时
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[137]
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令将它们转换为 Unix（将目录更改为 IDF

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[]\TU/FreeSerif(0)/m/n/10 如果您正在从头开始编写一个文件，或者正在进行完全重写，请随意重新格式化整个文件。如果您正在更改文件的一小部
分，不要重新格式化您没有更改的代码。这将帮助其他人检查您的更改。 
[138]
No file espressif-esp-iot-solution.ind.
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(see the transcript file for additional information)
Output written on espressif-esp-iot-solution.pdf (143 pages).
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Chapter 1.

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[]\TU/FreeSans(0)/m/n/10 ESP-IoT-

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[]\TU/FreeSans(0)/m/n/10 Corresponding
[3] [4] [5] [6] [7] [8]
Chapter 2.
[9] [10]
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[]\TU/FreeSerif(0)/m/n/10 When the address of a register is 16-bit, you can use
 [][]\TU/FreeMono(0)/m/it/10 i2c_bus_read_reg16()[][] \TU/FreeSerif(0)/m/n/10 o
r

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[]\TU/FreeSerif(0)/m/n/10 Data transmission: use [][]\TU/FreeMono(0)/m/it/10 sp
i_bus_transfer_byte()[][]\TU/FreeSerif(0)/m/n/10 , [][]\TU/FreeMono(0)/m/it/10 
spi_bus_transfer_bytes()[][]\TU/FreeSerif(0)/m/n/10 ,
[11] [12] [13]
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[][][]\TU/FreeSerif(0)/m/it/10 i2c_bus_handle_t[][] bus_handle\TU/FreeSerif(0)/
m/n/10 , uint8_t \TU/FreeSerif(0)/m/it/10 dev_addr\TU/FreeSerif(0)/m/n/10 ,

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\TU/FreeSerif(0)/m/n/10 Delete and release the I2C device resource, i2c_bus_dev
ice_delete should be used in pairs with
[14]
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[][][]\TU/FreeSerif(0)/m/it/10 i2c_bus_device_handle_t[][] dev_handle\TU/FreeSe
rif(0)/m/n/10 , uint8_t \TU/FreeSerif(0)/m/it/10 mem_address\TU/FreeSerif(0)/m/
n/10 , size_t
[15]
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[][][]\TU/FreeSerif(0)/m/it/10 i2c_bus_device_handle_t[][] dev_handle\TU/FreeSe
rif(0)/m/n/10 , uint8_t \TU/FreeSerif(0)/m/it/10 mem_address\TU/FreeSerif(0)/m/
n/10 , uint8_t

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[][][]\TU/FreeSerif(0)/m/it/10 i2c_bus_device_handle_t[][] dev_handle\TU/FreeSe
rif(0)/m/n/10 , uint8_t \TU/FreeSerif(0)/m/it/10 mem_address\TU/FreeSerif(0)/m/
n/10 , size_t
[16]
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[][][]\TU/FreeSerif(0)/m/it/10 i2c_bus_device_handle_t[][] dev_handle\TU/FreeSe
rif(0)/m/n/10 , uint8_t \TU/FreeSerif(0)/m/it/10 mem_address\TU/FreeSerif(0)/m/
n/10 , uint8_t

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[][][]\TU/FreeSerif(0)/m/it/10 i2c_bus_device_handle_t[][] dev_handle\TU/FreeSe
rif(0)/m/n/10 , uint8_t \TU/FreeSerif(0)/m/it/10 mem_address\TU/FreeSerif(0)/m/
n/10 , uint8_t
[17]
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[][][]\TU/FreeSerif(0)/m/it/10 i2c_bus_device_handle_t[][] dev_handle\TU/FreeSe
rif(0)/m/n/10 , uint16_t \TU/FreeSerif(0)/m/it/10 mem_address\TU/FreeSerif(0)/m
/n/10 , size_t
[18] [19]
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[][][]\TU/FreeSerif(0)/m/it/10 spi_bus_handle_t[][] bus_handle\TU/FreeSerif(0)/
m/n/10 , \TU/FreeMono(0)/bx/n/10 const

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[][][]\TU/FreeSerif(0)/m/it/10 spi_bus_device_handle_t[][] dev_handle\TU/FreeSe
rif(0)/m/n/10 , uint8_t \TU/FreeSerif(0)/m/it/10 data_out\TU/FreeSerif(0)/m/n/1
0 , uint8_t
[20] [21] [22] [23] [24] [25] [26] [27] [28] [29] [30]
Chapter 3.
[31] [32] [33]
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\TU/FreeSerif(0)/bx/n/10 Note:  \TU/FreeSerif(0)/m/n/10 Please remember to sele
ct corresponding parameter types when creating different interfaces

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\TU/FreeSerif(0)/m/n/10 using \TU/FreeMono(0)/m/n/10 scr_interface_create()\TU/
FreeSerif(0)/m/n/10 , e.g., select [][]\TU/FreeMono(0)/m/it/10 i2s_lcd_config_t
[][] \TU/FreeSerif(0)/m/n/10 for I2S interface; select

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[]\TU/FreeSerif(0)/m/n/10 To facilitate the use of these interfaces in the driv
er, all interfaces are defined in [][]dis-

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[]\TU/FreeSerif(0)/m/n/10 SCR_MIRROR_X

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[]\TU/FreeSerif(0)/m/n/10 SCR_MIRROR_X| SCR_MIRROR_Y

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[]\TU/FreeSerif(0)/m/n/10 SCR_SWAP_XY

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[]\TU/FreeSerif(0)/m/n/10 SCR_SWAP_XY| SCR_MIRROR_Y

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[]\TU/FreeSerif(0)/m/n/10 SCR_SWAP_XY|

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\TU/FreeSerif(0)/m/n/10 SCR_MIRROR_X

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[]\TU/FreeSerif(0)/m/n/10 SCR_SWAP_XY| SCR_MIRROR_X|
[34] [35] [36] [37] [38] [39] [40] [41] [42] [43]
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[][][]\TU/FreeSerif(0)/m/it/10 scr_interface_type_t[][] type\TU/FreeSerif(0)/m/
n/10 , void *\TU/FreeSerif(0)/m/it/10 config\TU/FreeSerif(0)/m/n/10 , [][]\TU/F
reeSerif(0)/m/it/10 scr_interface_driver_t[][]
[44] [45]
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[]\TU/FreeSans(0)/m/n/10 Inter-

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[]\TU/FreeSerif(0)/m/n/10 IS31FL3XXX| 

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[][][]\TU/FreeSerif(0)/m/n/10 is31fl3xxx

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[][][]\TU/FreeSerif(0)/m/n/10 IS31FL3XXX[][]| 
[46] [47] [48] [49]
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[]\TU/FreeSerif(0)/m/n/10 After defining a blink type, you need to add its corr
esponding enumeration mem-

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\TU/FreeSerif(0)/m/n/10 ber to \TU/FreeMono(0)/m/n/10 led_indicator_blink_type_
t \TU/FreeSerif(0)/m/n/10 and then add the type to the blink type list
[50]
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\TU/FreeSerif(0)/bx/n/10 Note:  \TU/FreeSerif(0)/m/n/10 This component supports
 thread-safe operations. You can share the LED indicator handle
[51] [52] [53] [54]
Chapter 4.
[55] [56] [57] [58] [59] [60] [61] [62] [63] [64]
Chapter 5.
[65] [66] [67] [68]
Chapter 6.

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[]\TU/FreeSerif(0)/m/n/10 ADC 按键优点有：可多个按键共用一个 ADC 通道，占用 IO 资源少；缺点有：不能同时按下多按键，当按
键因氧化等因素导致闭合电阻增大时，容易误触，稳定性不高。 
[69] [70] [71] [72] [73] [74] [75]
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[][][]\TU/FreeSerif(0)/m/it/10 touch_panel_controller_t[][] controller\TU/FreeS
erif(0)/m/n/10 , [][]\TU/FreeSerif(0)/m/it/10 touch_panel_driver_t[][]
[76] [77] [78] [79] [80]
Chapter 7.
[81] [82] [83] [84] [85] [86] [87] [88]
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[][][]\TU/FreeSerif(0)/m/it/10 sensor_handle_t[][] sensor_handle\TU/FreeSerif(0
)/m/n/10 , [][]\TU/FreeSerif(0)/m/it/10 sen-

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[][]\TU/FreeSerif(0)/m/it/10 sensor_event_handler_t[][] handler\TU/FreeSerif(0)
/m/n/10 , [][]\TU/FreeSerif(0)/m/it/10 sen-

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[][][]\TU/FreeSerif(0)/m/it/10 sensor_type_t[][] sensor_type\TU/FreeSerif(0)/m/
n/10 , int32_t
[89] [90] [91] [92] [93] [94] [95] [96] [97] [98] [99] [100] [101] [102]
Chapter 8.

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[]\TU/FreeSans(0)/m/n/10 Name| 

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[]\TU/FreeSans(0)/m/n/10 Application sce-

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[]\TU/FreeSans(0)/m/n/10 Size| 

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[]\TU/FreeSans(0)/m/n/10 Trans-

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[]\TU/FreeSans(0)/m/n/10 Note| 

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[][][]\TU/FreeSerif(0)/m/n/10 SPI

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[]\TU/FreeSerif(0)/m/n/10 Can be shared with

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[]\TU/FreeSerif(0)/m/n/10 Store parameters,

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[]\TU/FreeSerif(0)/m/n/10 40/80 MHz

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[][][]\TU/FreeSerif(0)/m/n/10 SPI Flash

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[][][]\TU/FreeSerif(0)/m/n/10 SD

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[]\TU/FreeSerif(0)/m/n/10 SDIO/SPI| 

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[]\TU/FreeSerif(0)/m/n/10 20/40 MHz

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[][][]\TU/FreeSerif(0)/m/n/10 SD/SDIO/MMC

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[][][]\TU/FreeSerif(0)/m/n/10 eMMC[][]| 

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[]\TU/FreeSerif(0)/m/n/10 20/40 MHz

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[][][]\TU/FreeSerif(0)/m/n/10 SD/SDIO/MMC

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[][][]\TU/FreeSerif(0)/m/it/10 EEP-

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[]\TU/FreeSerif(0)/m/n/10 100 ~ 400
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[]\TU/FreeSerif(0)/m/n/10 Application

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[]\TU/FreeSerif(0)/m/n/10 Directory

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[]\TU/FreeSerif(0)/m/n/10 Wear Level-

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[]\TU/FreeSerif(0)/m/n/10 R/W Effi-
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Chapter 9.
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Chapter 10.

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[]\TU/FreeSerif(0)/m/n/10 一般使用情况下一共有4次机会通过串口烧写 flash ，通过 OTA 更新 flash数据没有次数限制。开
发阶段可以在 menucon-

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[]\TU/FreeSerif(0)/m/n/10 默认情况下 efuse 中的 DISABLE_DL_ENCRYPT, DISABLE_DL_DECRYPT
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[]\TU/FreeSerif(0)/m/n/10 efuse 中的 FLASH_CRYPT_CONFIG 被烧写成 0xf，此标志用于决定加密 key 的多
少位被用于计算每一个 flash
[113]
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[]\TU/FreeSerif(0)/m/n/10 若用户确定不再需要通过串口重烧 flash，可以在 esp-idf 的 \TU/FreeMono(0)/m
/n/10 components/esptool\_py/esptool \TU/FreeSerif(0)/m/n/10 路径下使用命令
[114]
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[]\TU/FreeSerif(0)/m/n/10 ROM 函数 \TU/FreeMono(0)/m/n/10 esp\_rom\_spiflash\_wri
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[]\TU/FreeSerif(0)/m/n/10 Secure Boot 中采用 ECDSA 签名算法对 partition table 和 app ima
ges 进行签名和验证，ECDSA
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[]\TU/FreeSerif(0)/m/n/10 若 menuconfig 中选择了禁止 JTAG 中断和 ROM BASIC 中断，bootloader 
会将 efuse

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Chapter 11.
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[147]) (./espressif-esp-iot-solution.aux) )
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(./espressif-esp-iot-solution.toc [1]) [2] [1] [2]
Chapter 1.

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[]\TU/FreeSans(0)/m/n/10 ESP-IoT-

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[]\TU/FreeSans(0)/m/n/10 Corresponding
[3] [4] [5] [6] [7] [8]
Chapter 2.
[9] [10]
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[]\TU/FreeSerif(0)/m/n/10 When the address of a register is 16-bit, you can use
 [][]\TU/FreeMono(0)/m/it/10 i2c_bus_read_reg16()[][] \TU/FreeSerif(0)/m/n/10 o
r

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[]\TU/FreeSerif(0)/m/n/10 Data transmission: use [][]\TU/FreeMono(0)/m/it/10 sp
i_bus_transfer_byte()[][]\TU/FreeSerif(0)/m/n/10 , [][]\TU/FreeMono(0)/m/it/10 
spi_bus_transfer_bytes()[][]\TU/FreeSerif(0)/m/n/10 ,
[11] [12] [13]
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[][][]\TU/FreeSerif(0)/m/it/10 i2c_bus_handle_t[][] bus_handle\TU/FreeSerif(0)/
m/n/10 , uint8_t \TU/FreeSerif(0)/m/it/10 dev_addr\TU/FreeSerif(0)/m/n/10 ,

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\TU/FreeSerif(0)/m/n/10 Delete and release the I2C device resource, i2c_bus_dev
ice_delete should be used in pairs with
[14]
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[][][]\TU/FreeSerif(0)/m/it/10 i2c_bus_device_handle_t[][] dev_handle\TU/FreeSe
rif(0)/m/n/10 , uint8_t \TU/FreeSerif(0)/m/it/10 mem_address\TU/FreeSerif(0)/m/
n/10 , size_t
[15]
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[][][]\TU/FreeSerif(0)/m/it/10 i2c_bus_device_handle_t[][] dev_handle\TU/FreeSe
rif(0)/m/n/10 , uint8_t \TU/FreeSerif(0)/m/it/10 mem_address\TU/FreeSerif(0)/m/
n/10 , uint8_t

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[][][]\TU/FreeSerif(0)/m/it/10 i2c_bus_device_handle_t[][] dev_handle\TU/FreeSe
rif(0)/m/n/10 , uint8_t \TU/FreeSerif(0)/m/it/10 mem_address\TU/FreeSerif(0)/m/
n/10 , size_t
[16]
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[][][]\TU/FreeSerif(0)/m/it/10 i2c_bus_device_handle_t[][] dev_handle\TU/FreeSe
rif(0)/m/n/10 , uint8_t \TU/FreeSerif(0)/m/it/10 mem_address\TU/FreeSerif(0)/m/
n/10 , uint8_t

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[][][]\TU/FreeSerif(0)/m/it/10 i2c_bus_device_handle_t[][] dev_handle\TU/FreeSe
rif(0)/m/n/10 , uint8_t \TU/FreeSerif(0)/m/it/10 mem_address\TU/FreeSerif(0)/m/
n/10 , uint8_t
[17]
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[][][]\TU/FreeSerif(0)/m/it/10 i2c_bus_device_handle_t[][] dev_handle\TU/FreeSe
rif(0)/m/n/10 , uint16_t \TU/FreeSerif(0)/m/it/10 mem_address\TU/FreeSerif(0)/m
/n/10 , size_t
[18] [19]
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[][][]\TU/FreeSerif(0)/m/it/10 spi_bus_handle_t[][] bus_handle\TU/FreeSerif(0)/
m/n/10 , \TU/FreeMono(0)/bx/n/10 const

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[][][]\TU/FreeSerif(0)/m/it/10 spi_bus_device_handle_t[][] dev_handle\TU/FreeSe
rif(0)/m/n/10 , uint8_t \TU/FreeSerif(0)/m/it/10 data_out\TU/FreeSerif(0)/m/n/1
0 , uint8_t
[20] [21] [22] [23] [24] [25] [26] [27] [28] [29] [30]
Chapter 3.
[31] [32] [33]
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\TU/FreeSerif(0)/bx/n/10 Note:  \TU/FreeSerif(0)/m/n/10 Please remember to sele
ct corresponding parameter types when creating different interfaces

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\TU/FreeSerif(0)/m/n/10 using \TU/FreeMono(0)/m/n/10 scr_interface_create()\TU/
FreeSerif(0)/m/n/10 , e.g., select [][]\TU/FreeMono(0)/m/it/10 i2s_lcd_config_t
[][] \TU/FreeSerif(0)/m/n/10 for I2S interface; select

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[]\TU/FreeSerif(0)/m/n/10 To facilitate the use of these interfaces in the driv
er, all interfaces are defined in [][]dis-

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[]\TU/FreeSerif(0)/m/n/10 SCR_MIRROR_X

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[]\TU/FreeSerif(0)/m/n/10 SCR_MIRROR_X| SCR_MIRROR_Y

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[]\TU/FreeSerif(0)/m/n/10 SCR_SWAP_XY

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[]\TU/FreeSerif(0)/m/n/10 SCR_SWAP_XY| SCR_MIRROR_Y

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[]\TU/FreeSerif(0)/m/n/10 SCR_SWAP_XY|

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\TU/FreeSerif(0)/m/n/10 SCR_MIRROR_X

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[]\TU/FreeSerif(0)/m/n/10 SCR_SWAP_XY| SCR_MIRROR_X|
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[][][]\TU/FreeSerif(0)/m/it/10 scr_interface_type_t[][] type\TU/FreeSerif(0)/m/
n/10 , void *\TU/FreeSerif(0)/m/it/10 config\TU/FreeSerif(0)/m/n/10 , [][]\TU/F
reeSerif(0)/m/it/10 scr_interface_driver_t[][]
[44] [45]
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[]\TU/FreeSans(0)/m/n/10 Inter-

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[]\TU/FreeSerif(0)/m/n/10 IS31FL3XXX| 

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[][][]\TU/FreeSerif(0)/m/n/10 is31fl3xxx

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[][][]\TU/FreeSerif(0)/m/n/10 IS31FL3XXX[][]| 
[46] [47] [48] [49]
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[]\TU/FreeSerif(0)/m/n/10 After defining a blink type, you need to add its corr
esponding enumeration mem-

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\TU/FreeSerif(0)/m/n/10 ber to \TU/FreeMono(0)/m/n/10 led_indicator_blink_type_
t \TU/FreeSerif(0)/m/n/10 and then add the type to the blink type list
[50]
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\TU/FreeSerif(0)/bx/n/10 Note:  \TU/FreeSerif(0)/m/n/10 This component supports
 thread-safe operations. You can share the LED indicator handle
[51] [52] [53] [54]
Chapter 4.
[55] [56] [57] [58] [59] [60] [61] [62] [63] [64]
Chapter 5.
[65] [66] [67] [68]
Chapter 6.

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[]\TU/FreeSerif(0)/m/n/10 ADC 按键优点有：可多个按键共用一个 ADC 通道，占用 IO 资源少；缺点有：不能同时按下多按键，当按
键因氧化等因素导致闭合电阻增大时，容易误触，稳定性不高。 
[69] [70] [71] [72] [73] [74] [75]
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[][][]\TU/FreeSerif(0)/m/it/10 touch_panel_controller_t[][] controller\TU/FreeS
erif(0)/m/n/10 , [][]\TU/FreeSerif(0)/m/it/10 touch_panel_driver_t[][]
[76] [77] [78] [79] [80]
Chapter 7.
[81] [82] [83] [84] [85] [86] [87] [88]
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[][][]\TU/FreeSerif(0)/m/it/10 sensor_handle_t[][] sensor_handle\TU/FreeSerif(0
)/m/n/10 , [][]\TU/FreeSerif(0)/m/it/10 sen-

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[][]\TU/FreeSerif(0)/m/it/10 sensor_event_handler_t[][] handler\TU/FreeSerif(0)
/m/n/10 , [][]\TU/FreeSerif(0)/m/it/10 sen-

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[][][]\TU/FreeSerif(0)/m/it/10 sensor_type_t[][] sensor_type\TU/FreeSerif(0)/m/
n/10 , int32_t
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Chapter 8.

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[]\TU/FreeSans(0)/m/n/10 Name| 

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[]\TU/FreeSans(0)/m/n/10 Application sce-

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[]\TU/FreeSans(0)/m/n/10 Size| 

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[]\TU/FreeSans(0)/m/n/10 Trans-

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[]\TU/FreeSans(0)/m/n/10 Note| 

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[][][]\TU/FreeSerif(0)/m/n/10 SPI

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[]\TU/FreeSerif(0)/m/n/10 Can be shared with

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[]\TU/FreeSerif(0)/m/n/10 Store parameters,

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[]\TU/FreeSerif(0)/m/n/10 40/80 MHz

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[][][]\TU/FreeSerif(0)/m/n/10 SPI Flash

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[][][]\TU/FreeSerif(0)/m/n/10 SD

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[]\TU/FreeSerif(0)/m/n/10 SDIO/SPI| 

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[]\TU/FreeSerif(0)/m/n/10 20/40 MHz

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[][][]\TU/FreeSerif(0)/m/n/10 SD/SDIO/MMC

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[][][]\TU/FreeSerif(0)/m/n/10 eMMC[][]| 

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[]\TU/FreeSerif(0)/m/n/10 20/40 MHz

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[][][]\TU/FreeSerif(0)/m/n/10 SD/SDIO/MMC

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[][][]\TU/FreeSerif(0)/m/it/10 EEP-

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[]\TU/FreeSerif(0)/m/n/10 100 ~ 400
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[]\TU/FreeSerif(0)/m/n/10 Application

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[]\TU/FreeSerif(0)/m/n/10 Directory

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[]\TU/FreeSerif(0)/m/n/10 Wear Level-

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[]\TU/FreeSerif(0)/m/n/10 R/W Effi-
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Chapter 9.
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Chapter 10.

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[]\TU/FreeSerif(0)/m/n/10 一般使用情况下一共有4次机会通过串口烧写 flash ，通过 OTA 更新 flash数据没有次数限制。开
发阶段可以在 menucon-

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[]\TU/FreeSerif(0)/m/n/10 默认情况下 efuse 中的 DISABLE_DL_ENCRYPT, DISABLE_DL_DECRYPT
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[]\TU/FreeSerif(0)/m/n/10 efuse 中的 FLASH_CRYPT_CONFIG 被烧写成 0xf，此标志用于决定加密 key 的多
少位被用于计算每一个 flash
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[]\TU/FreeSerif(0)/m/n/10 若用户确定不再需要通过串口重烧 flash，可以在 esp-idf 的 \TU/FreeMono(0)/m
/n/10 components/esptool\_py/esptool \TU/FreeSerif(0)/m/n/10 路径下使用命令
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[]\TU/FreeSerif(0)/m/n/10 ROM 函数 \TU/FreeMono(0)/m/n/10 esp\_rom\_spiflash\_wri
te\_encrypted() \TU/FreeSerif(0)/m/n/10 将加密后的数据写入 flash 中，而 SPIWrite()

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[]\TU/FreeSerif(0)/m/n/10 Secure Boot 中采用 ECDSA 签名算法对 partition table 和 app ima
ges 进行签名和验证，ECDSA
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[]\TU/FreeSerif(0)/m/n/10 若 menuconfig 中选择了禁止 JTAG 中断和 ROM BASIC 中断，bootloader 
会将 efuse

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[]\TU/FreeSerif(0)/m/n/10 生成公钥和秘钥，先执行 “make” 命令，此时由于还没有公钥/秘钥对，所以命令行中会提示生成公钥/秘钥对
的命令，按提示执行命令即可。但在产品级使用中，建议使用
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[]\TU/FreeSerif(0)/m/n/10 make menuconfig 中使能 secure boot 和 flash encrypt，“Secu
re bootloader
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[]\TU/FreeSerif(0)/m/n/10 由芯片端自动随机生成 secure boot 与 flash encrypton 密钥，并写入芯片 efu
se 中, 密钥写入后，对应的 efuse block

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[]\TU/FreeSerif(0)/m/n/10 通过 make menuconfig 配置 secure boot 和 flash encryption，
按照第一、二节介绍的步骤执行即可，具体操作步骤如下，如果了解第一、二节的内容，可以跳过： 
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[]\TU/FreeSerif(0)/m/n/10 我们也可以使用 window 平台的下载工具来完成工厂下载。需要在配置文件中，关闭工具的 security
 功能，这样工具端就不会操作 security
[123]
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[]\TU/FreeSerif(0)/m/n/10 下载完成后，需要运行一次程序，使 bootloader 完成 security 相关特性的初始化，包括AE
S密钥的随机生成并写入EFUSE，以及对明文的flash进行首次加密。 
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[]\TU/FreeSerif(0)/m/n/10 使用下载工具进行下载，若不希望工具修改任何配置参数(比如 flash 频率和模式)，请勾选 ‘DoNotC
hgBin’
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Chapter 11.
[129] [130]
Chapter 12.
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[]\TU/FreeSerif(0)/m/n/10 但是请注意，如果有人添加了一个新行，第一个参数是一个更长的标识符(例如PIN_CAM_VSYNC)，它将不
适合。因为必须重新对齐其他行，这添加了无意义的更改。因此，尽量少使用这种对齐，特别是如果您希望稍后将新行添加到这列中。 
[136]
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[]\TU/FreeSerif(0)/m/n/10 如果不再需要某些代码，则将其完全删除。如果你需要，你可以随时在 git 历史中查找这个文件。如果您因为临时
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[137]
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[]\TU/FreeSerif(0)/m/n/10 如果您在分支中意外地 commit 了 LF 结尾，则可以通过在 MSYS2 或 Unix 终端中运行此命
令将它们转换为 Unix（将目录更改为 IDF

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[]\TU/FreeSerif(0)/m/n/10 如果您正在从头开始编写一个文件，或者正在进行完全重写，请随意重新格式化整个文件。如果您正在更改文件的一小部
分，不要重新格式化您没有更改的代码。这将帮助其他人检查您的更改。 
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[]\TU/FreeMono(0)/m/n/10 iot_sensor_handler_register_with_type
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[147]) (./espressif-esp-iot-solution.aux) )
(see the transcript file for additional information)
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