Initial wolfMQTT Espressif ESP32 template and AWS IoT examples

IDE/Espressif/ESP-IDF/README.md

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+# Espressif ESP-IDF Examples
+
+These are the core [examples](./examples/README.md) for wolfMQTT:
+
+- [template](./examples/wolfmqtt_template/README.md)
+
+- [AWS IoT MQTT](./examples/AWS_IoT_MQTT/README.md)
+
+For details on wolfMQTT [see the wolfMQTT Manual](https://www.wolfssl.com/documentation/manuals/wolfmqtt/wolfMQTT-Manual.pdf).
+
+## Installing wolfSSL for Espressif projects
+
+[Core examples](https://github.com/wolfSSL/wolfssl/tree/master/IDE/Espressif/ESP-IDF/examples) 
+have a local `components/wolfssl` directory with a special CMakeFile.txt that does not require 
+wolfSSL to be installed.
+
+If you want to install wolfSSL, see the setup for [wolfSSL](https://github.com/wolfSSL/wolfssl/tree/master/IDE/Espressif/ESP-IDF#setup-for-linux) 
+and [wolfSSH](https://github.com/wolfSSL/wolfssh/tree/master/ide/Espressif#setup-for-linux).
+
+## VisualGDB
+
+Users of VisualGDB can find project files in each respective example `.\VisualGDB` directory.
+For convenience, there are separate project for various target chip sets and ESP-IDF version.
+
+For devices without a built-in JTAG, the projects are configured with the open source [Tigard](https://www.crowdsupply.com/securinghw/tigard)
+and using port `COM20`.
+
+For devices _with_ a built-in JTAG, the projects are using `COM9`
+
+Edit the COM port for your project:
+
+- ESP-IDF Project; Bootloader COM Port.
+- Raw Terminal; COM Port
+
+
+## Troubleshooting
+
+If unusual errors occur, exit Visual Studio and manually delete these directories to start over:
+
+- `.\build`
+- `.\VisualGDB\.visualgdb`
+- `.\VisualGDB\.vs`
+
+
+[RSA peripheral 50% slower on ESP32-S3/C3 than S2](https://www.esp32.com/viewtopic.php?t=23830)
+
+[GPIO6,GPIO7,GPIO8,and GPIO9 changed for ESP32-WROOM-32E](https://esp32.com/viewtopic.php?t=29058)
+
+
+
+

IDE/Espressif/ESP-IDF/examples/AWS_IoT_MQTT/CMakeLists.txt

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+# wolfSSL Espressif Example Project CMakeLists.txt
+#   v1.0
+#
+# The following lines of boilerplate have to be in your project's
+# CMakeLists in this exact order for cmake to work correctly
+cmake_minimum_required(VERSION 3.16)
+
+# enable wolfssl user_settings.h project-wide
+set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -DWOLFSSL_USER_SETTINGS")
+set(WOLFSSL_USER_SETTINGS ON)
+
+set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -DWOLFMQTT_USER_SETTINGS")
+set(WOLFMQTT_USER_SETTINGS ON)
+
+set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -DENABLE_AWSIOT_EXAMPLE")
+set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -DENABLE_MQTT_TLS")
+set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -DWOLFMQTT_EXTERN_CERT")
+set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -DNO_MAIN_DRIVER")
+
+
+
+# The wolfSSL CMake file should be able to find the source code.
+# Otherwise, assign an environment variable or set it here:
+#
+# set(WOLFSSL_ROOT "~/workspace/wolfssl-other-source")
+# set(WOLFMQTT_ROOT "~/workspace/wolfmqtt-other-source")
+
+# Optional WOLFSSL_CMAKE_SYSTEM_NAME detection to find
+# USE_MY_PRIVATE_CONFIG path for my_private_config.h
+#
+# Expected path varies:
+#
+#     WSL:  /mnt/c/workspace
+#   Linux:  ~/workspace
+# Windows:  C:\workspace
+#
+if(WIN32)
+    # Windows-specific configuration here
+    set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -DWOLFSSL_CMAKE_SYSTEM_NAME_WINDOWS")
+    message("Detected Windows")
+endif()
+if(CMAKE_HOST_UNIX)
+    message("Detected UNIX")
+endif()
+if(APPLE)
+    message("Detected APPLE")
+endif()
+if(CMAKE_HOST_UNIX AND (NOT APPLE) AND EXISTS "/proc/sys/fs/binfmt_misc/WSLInterop")
+    # Windows-specific configuration here
+    set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -DWOLFSSL_CMAKE_SYSTEM_NAME_WSL")
+    message("Detected WSL")
+endif()
+if(CMAKE_HOST_UNIX AND (NOT APPLE) AND (NOT WIN32))
+    # Windows-specific configuration here
+    set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -DWOLFSSL_CMAKE_SYSTEM_NAME_LINUX")
+    message("Detected Linux")
+endif()
+if(APPLE)
+    # Windows-specific configuration here
+    set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -DWOLFSSL_CMAKE_SYSTEM_NAME_APPLE")
+    message("Detected Apple")
+endif()
+# End optional WOLFSSL_CMAKE_SYSTEM_NAME
+
+# This example uses an extra component for common functions such as Wi-Fi and Ethernet connection.
+set (PROTOCOL_EXAMPLES_DIR $ENV{IDF_PATH}/examples/common_components/protocol_examples_common)
+
+if (EXISTS "${PROTOCOL_EXAMPLES_DIR}")
+    message("Found PROTOCOL_EXAMPLES_DIR=${PROTOCOL_EXAMPLES_DIR}")
+    set(EXTRA_COMPONENT_DIRS $ENV{IDF_PATH}/examples/common_components/protocol_examples_common)
+    set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -DFOUND_PROTOCOL_EXAMPLES_DIR")
+else()
+    message("NOT FOUND: PROTOCOL_EXAMPLES_DIR=${PROTOCOL_EXAMPLES_DIR}")
+endif()
+
+# Check that there are not conflicting wolfSSL components
+# The ESP Registry Component will be in ./managed_components/wolfssl__wolfssl
+# The local component wolfSSL directory will be in ./components/wolfssl
+if( EXISTS "${CMAKE_HOME_DIRECTORY}/managed_components/wolfssl__wolfssl" AND EXISTS "${CMAKE_HOME_DIRECTORY}/components/wolfssl" )
+    # These exclude statements don't seem to be honored by the $ENV{IDF_PATH}/tools/cmake/project.cmake'
+    # add_subdirectory("${CMAKE_HOME_DIRECTORY}/managed_components/wolfssl__wolfssl" EXCLUDE_FROM_ALL)
+    # add_subdirectory("${CMAKE_HOME_DIRECTORY}/managed_components/wolfssl__wolfssl/include" EXCLUDE_FROM_ALL)
+    # So we'll error out and let the user decide how to proceed:
+    message(WARNING "\nFound wolfSSL components in\n"
+                    "./managed_components/wolfssl__wolfssl\n"
+                    "and\n"
+                    "./components/wolfssl\n"
+                    "in project directory: \n"
+                    "${CMAKE_HOME_DIRECTORY}")
+    message(FATAL_ERROR "\nPlease use either the ESP Registry Managed Component or the wolfSSL component directory but not both.\n"
+                        "If removing the ./managed_components/wolfssl__wolfssl directory, remember to also remove "
+                        "or rename the idf_component.yml file typically found in ./main/")
+else()
+    message(STATUS "No conflicting wolfSSL components found.")
+endif()
+
+
+# This example uses an extra component for common functions such as Wi-Fi and Ethernet connection.
+set (PROTOCOL_EXAMPLES_DIR $ENV{IDF_PATH}/examples/common_components/protocol_examples_common)
+
+if (EXISTS "${PROTOCOL_EXAMPLES_DIR}")
+    message("Found PROTOCOL_EXAMPLES_DIR=${PROTOCOL_EXAMPLES_DIR}")
+    set(EXTRA_COMPONENT_DIRS $ENV{IDF_PATH}/examples/common_components/protocol_examples_common)
+    set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -DFOUND_PROTOCOL_EXAMPLES_DIR")
+else()
+    message("NOT FOUND: PROTOCOL_EXAMPLES_DIR=${PROTOCOL_EXAMPLES_DIR}")
+endif()
+
+include($ENV{IDF_PATH}/tools/cmake/project.cmake)
+
+#set(COMPONENTS
+  #main
+  #wolfssl
+  #wolfmqtt
+#) # set components
+
+project(wolfssl_mqtt_aws_iot)

IDE/Espressif/ESP-IDF/examples/AWS_IoT_MQTT/README.md

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+# wolfSSL Example Project: wolfMQTT for AWS IoT
+
+This is an example based on the [AWS IoT Example](https://github.com/wolfSSL/wolfMQTT/tree/master/examples/aws).
+
+## Getting Started
+
+The easiest way to get started is by using the Espressif Managed Component Registry
+at https://components.espressif.com
+
+The latest experimental development version can be found at the staging site: 
+[gojimmypi/mywolfmqtt](https://components-staging.espressif.com/components/gojimmypi/mywolfmqtt/versions/1.0.14-test?language=en).
+
+```bash
+#!/bin/bash
+
+. ~/esp/esp-idf/export.sh
+
+# Needed for Staging site:
+export IDF_COMPONENT_REGISTRY_URL=https://components-staging.espressif.com
+
+idf.py create-project-from-example "gojimmypi/mywolfmqtt^1.0.14-test:AWS_IoT_MQTT"
+
+cd AWS_IoT_MQTT
+
+# Set your SSID and wifi Password in example configuration
+idf.py menuconfig
+
+idf.py -p /dev/ttyS9 -b 921600 flash monitor -b 115200
+
+```
+
+### Prerequisites
+
+It is assumed the [ESP-IDF environment](https://docs.espressif.com/projects/esp-idf/en/latest/esp32/get-started/) has been installed.
+
+### Files Included
+
+- [main.c](./main/main.c) with a simple call to an Espressif library (`ESP_LOGI`) and a call to a wolfSSL library (`esp_ShowExtendedSystemInfo`) . 
+
+- See [components/wolfssl/include](./components/wolfssl/include/user_settings.h) directory to edit the wolfSSL `user_settings.h`.
+
+- Edit [main/CMakeLists.txt](./main/CMakeLists.txt) to add/remove source files.
+
+- The [components/wolfssl/CMakeLists.txt](./components/wolfssl/CMakeLists.txt) typically does not need to be changed.
+
+- Optional [VisualGDB Project](./VisualGDB/wolfssl_template_IDF_v5.1_ESP32.vgdbproj) for Visual Studio using ESP32 and ESP-IDF v5.1.
+
+- Edit the project [CMakeLists.txt](./CMakeLists.txt) to optionally point this project's wolfSSL component source code at a different directory:
+
+```
+set(WOLFSSL_ROOT "~/workspace/wolfssl-other-source")
+```
+
+
+## Getting Started:
+
+Here's an example using the command-line [idf.py](https://docs.espressif.com/projects/esp-idf/en/latest/esp32/api-guides/tools/idf-py.html).
+
+Edit your `WRK_IDF_PATH`to point to your ESP-IDF install directory.
+
+```
+WRK_IDF_PATH=/mnt/c/SysGCC/esp32/esp-idf/v5.1
+
+echo "Run export.sh from ${WRK_IDF_PATH}"
+. ${WRK_IDF_PATH}/export.sh
+
+# build the example:
+idf.py build
+
+# flash the code onto the serial device at /dev/ttyS19
+idf.py flash -p /dev/ttyS19 -b 115200
+
+# build, flash, and view UART output with one command:
+idf.py flash -p /dev/ttyS19 -b 115200 monitor
+```
+
+Press `Ctrl+]` to exit `idf.py monitor`. See [additional monitor keyboard commands](https://docs.espressif.com/projects/esp-idf/en/latest/esp32/api-guides/tools/idf-monitor.html).
+
+## Other Examples:
+
+For examples, see:
+
+- [TLS Client](../wolfssl_client/README.md)
+- [TLS Server](../wolfssl_server/README.md)
+- [Benchmark](../wolfssl_benchmark/README.md)
+- [Test](../wolfssl_test/README.md)
+- [wolfssl-examples](https://github.com/wolfSSL/wolfssl-examples/tree/master/ESP32)
+- [wolfssh-examples](https://github.com/wolfSSL/wolfssh-examples/tree/main/Espressif)
+
+
+

IDE/Espressif/ESP-IDF/examples/AWS_IoT_MQTT/VisualGDB/wolfssl_mqtt_aws_iot_IDF_v5.1_ESP32.sln

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+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Version 17
+VisualStudioVersion = 17.6.33927.249
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{803FD0C6-D64E-4E16-9DC3-1DAEC859A3D2}") = "wolfssl_mqtt_aws_iot_IDF_v5.1_ESP32", "wolfssl_mqtt_aws_iot_IDF_v5.1_ESP32.vgdbproj", "{EADCC9AB-72B3-4B51-A838-593E5D80DDF7}"
+EndProject
+Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "wolfmqtt", "wolfmqtt", "{36E20B72-864F-499D-9189-7B950DDFA192}"
+	ProjectSection(SolutionItems) = preProject
+		..\components\wolfmqtt\CMakeLists.txt = ..\components\wolfmqtt\CMakeLists.txt
+		..\components\wolfmqtt\install_wolfMQTT.cmd = ..\components\wolfmqtt\install_wolfMQTT.cmd
+		..\components\wolfmqtt\README.md = ..\components\wolfmqtt\README.md
+	EndProjectSection
+EndProject
+Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "wolfssl", "wolfssl", "{9D9C7505-51DD-4FD9-ADD7-904213E3C844}"
+	ProjectSection(SolutionItems) = preProject
+		..\components\wolfssl\CMakeLists.txt = ..\components\wolfssl\CMakeLists.txt
+		..\components\wolfssl\include\config.h = ..\components\wolfssl\include\config.h
+		..\..\..\..\..\..\wolfssl\wolfcrypt\port\Espressif\esp32-crypt.h = ..\..\..\..\..\..\wolfssl\wolfcrypt\port\Espressif\esp32-crypt.h
+		..\components\wolfssl\README.md = ..\components\wolfssl\README.md
+	EndProjectSection
+EndProject
+Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "include", "include", "{F8CBF6BB-D253-4834-B587-58BA6F6C18D1}"
+	ProjectSection(SolutionItems) = preProject
+		..\components\wolfssl\include\config.h = ..\components\wolfssl\include\config.h
+		..\components\wolfssl\include\user_settings.h = ..\components\wolfssl\include\user_settings.h
+	EndProjectSection
+EndProject
+Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Solution Items", "Solution Items", "{E03FB71E-E338-4645-A173-346BD0F8ACE4}"
+	ProjectSection(SolutionItems) = preProject
+		..\README.md = ..\README.md
+		..\..\..\..\component-manager\wolfssl_component_publish.sh = ..\..\..\..\component-manager\wolfssl_component_publish.sh
+	EndProjectSection
+EndProject
+Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "examples", "examples", "{F01EAA7C-488C-495F-8369-8E64E7B009FD}"
+	ProjectSection(SolutionItems) = preProject
+		..\..\..\..\..\..\examples\mqttexample.c = ..\..\..\..\..\..\examples\mqttexample.c
+		..\..\..\..\..\..\examples\mqttexample.h = ..\..\..\..\..\..\examples\mqttexample.h
+		..\..\..\..\..\..\examples\mqttnet.c = ..\..\..\..\..\..\examples\mqttnet.c
+		..\..\..\..\..\..\examples\mqttnet.h = ..\..\..\..\..\..\examples\mqttnet.h
+		..\..\..\..\..\..\examples\mqttport.c = ..\..\..\..\..\..\examples\mqttport.c
+		..\..\..\..\..\..\examples\mqttport.h = ..\..\..\..\..\..\examples\mqttport.h
+		..\..\..\..\..\..\examples\mqttuart.c = ..\..\..\..\..\..\examples\mqttuart.c
+	EndProjectSection
+EndProject
+Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "aws", "aws", "{45F1DF18-4619-4BA4-913B-D3B346391C37}"
+	ProjectSection(SolutionItems) = preProject
+		..\..\..\..\..\..\examples\aws\awsiot.c = ..\..\..\..\..\..\examples\aws\awsiot.c
+		..\..\..\..\..\..\examples\aws\awsiot.h = ..\..\..\..\..\..\examples\aws\awsiot.h
+	EndProjectSection
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|VisualGDB = Debug|VisualGDB
+		Release|VisualGDB = Release|VisualGDB
+		Tests (Debug)|VisualGDB = Tests (Debug)|VisualGDB
+		Tests (Release)|VisualGDB = Tests (Release)|VisualGDB
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{EADCC9AB-72B3-4B51-A838-593E5D80DDF7}.Debug|VisualGDB.ActiveCfg = Debug|VisualGDB
+		{EADCC9AB-72B3-4B51-A838-593E5D80DDF7}.Debug|VisualGDB.Build.0 = Debug|VisualGDB
+		{EADCC9AB-72B3-4B51-A838-593E5D80DDF7}.Release|VisualGDB.ActiveCfg = Release|VisualGDB
+		{EADCC9AB-72B3-4B51-A838-593E5D80DDF7}.Release|VisualGDB.Build.0 = Release|VisualGDB
+		{EADCC9AB-72B3-4B51-A838-593E5D80DDF7}.Tests (Debug)|VisualGDB.ActiveCfg = Tests (Debug)|VisualGDB
+		{EADCC9AB-72B3-4B51-A838-593E5D80DDF7}.Tests (Debug)|VisualGDB.Build.0 = Tests (Debug)|VisualGDB
+		{EADCC9AB-72B3-4B51-A838-593E5D80DDF7}.Tests (Release)|VisualGDB.ActiveCfg = Tests (Release)|VisualGDB
+		{EADCC9AB-72B3-4B51-A838-593E5D80DDF7}.Tests (Release)|VisualGDB.Build.0 = Tests (Release)|VisualGDB
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(NestedProjects) = preSolution
+		{F8CBF6BB-D253-4834-B587-58BA6F6C18D1} = {9D9C7505-51DD-4FD9-ADD7-904213E3C844}
+		{45F1DF18-4619-4BA4-913B-D3B346391C37} = {F01EAA7C-488C-495F-8369-8E64E7B009FD}
+	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {9E35A5E5-D3ED-4ED8-8721-F0EE87EA56AB}
+	EndGlobalSection
+EndGlobal