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rp2040-hat-azure-c's Introduction

Raspberry Pi Pico W5x00 Azure IoT SDK Examples

RP2040 - W5100S or W5500 network examples - Azure IoT Cloud functions, Azure IoT SDK, Azure IoT device client, ...

1. 🎯 Azure IoT SDK examples

Application Description
examples Basic Azure IoT Cloud functions with Azure IoT SDK. (NonOS + WIZnet W5100S or W5500)

1.1. 3rd party SDKs & libraries

3rd party SDKs & libraries are in the RP2040-HAT-AZURE-C\libraries directory of 'RP2040-HAT-AZURE-C', the example for connecting Azure IoT Cloud.

SDKs & libraries Description
ioLibrary_Driver A library that can control WIZnet's W5x00 series Ethernet chip.
mbedtls It supports security algorithms and SSL and TLS connection.
azure-iot-sdk-c A collection of C source files consisting of Embedded C (C-SDK) that can be used by embedded applications to securely connect IoT devices to Azure IoT Cloud.
pico-sdk It makes a development environment for building software applications for the Pico(RP2040) platform.
pico-extras pico-extras has additional libraries that are not yet ready for inclusion the Pico SDK proper, or are just useful but don't necessarily belong in the Pico SDK.

Each SDKs & libraries consists of submodule.

2. 🎓 Getting started

Please refer to Getting Started with the Raspberry Pi Pico and the README in the pico-sdk for information on getting up and running.

2.1. 🗂 Set up example

2.1.1. Make 'port' directory for azure-iot-sdk-c, ioLibrary_Driver, mbedtls and timer

For Pico(RP2040) - W5100S or W5500 platform, we need to port code, please check porting guide below.

Result of above porting can be found in RP2040-HAT-AZURE-C\port\azure-iot-sdk-c directory.

2.1.2. Modify 'CMakeLists.txt'

First, set the ethernet chip according to the evaluation board used in the following RP2040-HAT-AZURE-C/CMakeLists.txt file.

Evaluation board Ethernet chip
WIZnet Ethernet HAT W5100S
W5100S-EVB-Pico W5100S
W5500-EVB-Pico W5500

For example, when using WIZnet Ethernet HAT or W5100S-EVB-Pico:

# Set ethernet chip
set(WIZNET_CHIP W5100S)

When using W5500-EVB-Pico:

# Set ethernet chip
set(WIZNET_CHIP W5500)

And find the line similar to this and replace it as your environment:

# Set the project root directory if it's not already defined, as may happen if
# the tests folder is included directly by a parent project, without including
# the top level CMakeLists.txt.
if(NOT DEFINED AZURE_SDK_DIR)
    set(AZURE_SDK_DIR ${CMAKE_SOURCE_DIR}/libraries/azure-iot-sdk-c)
    message(STATUS "AZURE_SDK_DIR = ${AZURE_SDK_DIR}")
endif()

if(NOT DEFINED WIZNET_DIR)
    set(WIZNET_DIR ${CMAKE_SOURCE_DIR}/libraries/ioLibrary_Driver)
    message(STATUS "WIZNET_DIR = ${WIZNET_DIR}")
endif()

if(NOT DEFINED MBEDTLS_LIB_DIR)
    set(MBEDTLS_LIB_DIR ${CMAKE_SOURCE_DIR}/libraries/mbedtls)
    message(STATUS "MBEDTLS_LIB_DIR = ${MBEDTLS_LIB_DIR}")
endif()

if(NOT DEFINED PORT_DIR)
    set(PORT_DIR ${CMAKE_SOURCE_DIR}/port)
    message(STATUS "PORT_DIR = ${PORT_DIR}")
endif()

2.1.3. Set your board network information and select sample application

In the following RP2040-HAT-AZURE-C/examples/main.c source file, find the line similar to this and replace it as you want:

(...)

// The application you wish to use should be uncommented
//
#define APP_TELEMETRY
//#define APP_C2D
//#define APP_CLI_X509
//#define APP_PROV_X509

// The application you wish to use DHCP mode should be uncommented
#define _DHCP
static wiz_NetInfo g_net_info =
    {
        .mac = {0x00, 0x08, 0xDC, 0x12, 0x34, 0x56}, // MAC address
        .ip = {192, 168, 11, 2},                     // IP address
        .sn = {255, 255, 255, 0},                    // Subnet Mask
        .gw = {192, 168, 11, 1},                     // Gateway
        .dns = {8, 8, 8, 8},                         // DNS server
#ifdef _DHCP
        .dhcp = NETINFO_DHCP // DHCP enable/disable
#else
        // this example uses static IP
        .dhcp = NETINFO_STATIC
#endif
};

2.1.4. Set the key information

Copy & Paste proper connection string and key value from the Azure Portal to RP2040-HAT-AZURE-C/examples/sample_certs.c:

/* Paste in the your iothub connection string  */
const char pico_az_connectionString[] = "[device connection string]";

const char pico_az_x509connectionString[] = "[device connection string]";

const char pico_az_x509certificate[] =
"-----BEGIN CERTIFICATE-----""\n"
"-----END CERTIFICATE-----";

const char pico_az_x509privatekey[] =
"-----BEGIN PRIVATE KEY-----""\n"
"-----END PRIVATE KEY-----";

const char pico_az_id_scope[] = "[ID Scope]";

const char pico_az_COMMON_NAME[] = "[custom-hsm-device]";

const char pico_az_CERTIFICATE[] =
"-----BEGIN CERTIFICATE-----""\n"
"-----END CERTIFICATE-----";

const char pico_az_PRIVATE_KEY[] =
"-----BEGIN PRIVATE KEY-----""\n"
"-----END PRIVATE KEY-----";

2.2. ⏳ Build example

2.2.1. Run command

Run the following CMake commands from the root of the repository:

mkdir build
cd build

# As your environment, select
cmake .. -G "MSYS Makefiles" ## on MSYS2 (MinGW64) + Windows 10 Platform
# or
cmake .. -G "Visual Studio 15 2017" ## For Visual Studio 2017
# or
cmake .. -G "Visual Studio 16 2019" -A Win32
# or
cmake ..

cd examples
make

Then, copy generated "main.uf2" file into your RP-Pico board. Done!

2.2.2. Example command log

on MSYS2 (MinGW64) + Windows 10 Platform

(PWD) RP2040-HAT-AZURE-C/build
$ cd ..

(PWD) RP2040-HAT-AZURE-C
$ rm -rf build

(PWD) RP2040-HAT-AZURE-C
$ mkdir build

(PWD) RP2040-HAT-AZURE-C
$ cd build

(PWD) RP2040-HAT-AZURE-C/build
$ cmake .. -G "MSYS Makefiles"
-- PICO_SDK_PATH = D:/RP2040/RP2040-HAT-AZURE-C/libraries/pico-sdk
-- Found Git: C:/msys64/usr/bin/git.exe (found version "2.34.1")
RP2040-HAT-AZURE-C patch utils found
Submodule 'libraries/azure-iot-sdk-c' (https://github.com/Azure/azure-iot-sdk-c.git) registered for path 'libraries/azure-iot-sdk-c'
Submodule 'libraries/ioLibrary_Driver' (https://github.com/Wiznet/ioLibrary_Driver.git) registered for path 'libraries/ioLibrary_Driver'
Submodule 'libraries/mbedtls' (https://github.com/ARMmbed/mbedtls.git) registered for path 'libraries/mbedtls'
Submodule 'libraries/pico-extras' (https://github.com/raspberrypi/pico-extras.git) registered for path 'libraries/pico-extras'
Submodule 'libraries/pico-sdk' (https://github.com/raspberrypi/pico-sdk.git) registered for path 'libraries/pico-sdk'
Cloning into '/d/RP2040/RP2040-HAT-AZURE-C/libraries/azure-iot-sdk-c'...
Cloning into '/d/RP2040/RP2040-HAT-AZURE-C/libraries/ioLibrary_Driver'...
Cloning into '/d/RP2040/RP2040-HAT-AZURE-C/libraries/mbedtls'...
Cloning into '/d/RP2040/RP2040-HAT-AZURE-C/libraries/pico-extras'...
Cloning into '/d/RP2040/RP2040-HAT-AZURE-C/libraries/pico-sdk'...
Submodule path 'libraries/azure-iot-sdk-c': checked out '808a5595f98853a5f2eae2c67dd9b3608a2338ea'
Submodule path 'libraries/ioLibrary_Driver': checked out 'e285249784ce6c09b869502bb6715337b45278e3'
Submodule path 'libraries/mbedtls': checked out '8df2f8e7b9c7bb9390ac74bb7bace27edca81a2b'
Submodule path 'libraries/pico-extras': checked out '77eae2836638baf2f61b321eb61125da99bb4445'
Submodule path 'libraries/pico-sdk': checked out '2062372d203b372849d573f252cf7c6dc2800c0a'
Submodule 'azure-c-shared-utility' (https://github.com/Azure/azure-c-shared-utility.git) registered for path 'c-utility'
Submodule 'deps/azure-c-testrunnerswitcher' (https://github.com/Azure/azure-c-testrunnerswitcher.git) registered for path 'deps/azure-c-testrunnerswitcher'
Submodule 'deps/azure-ctest' (https://github.com/Azure/azure-ctest.git) registered for path 'deps/azure-ctest'
Submodule 'deps/azure-macro-utils-c' (https://github.com/Azure/azure-macro-utils-c.git) registered for path 'deps/azure-macro-utils-c'
Submodule 'deps/parson' (https://github.com/kgabis/parson.git) registered for path 'deps/parson'
Submodule 'deps/uhttp' (https://github.com/Azure/azure-uhttp-c.git) registered for path 'deps/uhttp'
Submodule 'deps/umock-c' (https://github.com/Azure/umock-c.git) registered for path 'deps/umock-c'
Submodule 'provisioning_client/deps/RIoT' (https://github.com/Microsoft/RIoT.git) registered for path 'provisioning_client/deps/RIoT'
Submodule 'provisioning_client/deps/utpm' (https://github.com/Azure/azure-utpm-c.git) registered for path 'provisioning_client/deps/utpm'
Submodule 'azure-uamqp-c' (https://github.com/Azure/azure-uamqp-c.git) registered for path 'uamqp'
Submodule 'azure-umqtt-c' (https://github.com/Azure/azure-umqtt-c.git) registered for path 'umqtt'
Cloning into '/d/RP2040/RP2040-HAT-AZURE-C/libraries/azure-iot-sdk-c/c-utility'...
Cloning into '/d/RP2040/RP2040-HAT-AZURE-C/libraries/azure-iot-sdk-c/deps/azure-c-testrunnerswitcher'...
Cloning into '/d/RP2040/RP2040-HAT-AZURE-C/libraries/azure-iot-sdk-c/deps/azure-ctest'...
Cloning into '/d/RP2040/RP2040-HAT-AZURE-C/libraries/azure-iot-sdk-c/deps/azure-macro-utils-c'...
Cloning into '/d/RP2040/RP2040-HAT-AZURE-C/libraries/azure-iot-sdk-c/deps/parson'...
Cloning into '/d/RP2040/RP2040-HAT-AZURE-C/libraries/azure-iot-sdk-c/deps/uhttp'...
Cloning into '/d/RP2040/RP2040-HAT-AZURE-C/libraries/azure-iot-sdk-c/deps/umock-c'...
Cloning into '/d/RP2040/RP2040-HAT-AZURE-C/libraries/azure-iot-sdk-c/provisioning_client/deps/RIoT'...
Cloning into '/d/RP2040/RP2040-HAT-AZURE-C/libraries/azure-iot-sdk-c/provisioning_client/deps/utpm'...
Cloning into '/d/RP2040/RP2040-HAT-AZURE-C/libraries/azure-iot-sdk-c/uamqp'...
Cloning into '/d/RP2040/RP2040-HAT-AZURE-C/libraries/azure-iot-sdk-c/umqtt'...
Submodule path 'c-utility': checked out '73a2039cc0de5ececf5755ebe731a6b5b98f85da'
Submodule path 'deps/azure-c-testrunnerswitcher': checked out '8734bd6c53c88dd6c0cea8e87d70b9964726484a'
Submodule path 'deps/azure-ctest': checked out '4aa84c45236ecda21983fb682f542f17d0b21e19'
Submodule path 'deps/azure-macro-utils-c': checked out '5926caf4e42e98e730e6d03395788205649a3ada'
Submodule path 'deps/parson': checked out '8beeb5ea4da5eedff8d3221307ef04855804a920'
Submodule path 'deps/uhttp': checked out 'db8ac9c1353fe05cf6917e8ec8bcb866bf4a6f11'
Submodule path 'deps/umock-c': checked out '504193e65d1c2f6eb50c15357167600a296df7ff'
Submodule path 'provisioning_client/deps/RIoT': checked out 'e878185a8fb433902bee185b6f3a8c66aa232bff'
Submodule path 'provisioning_client/deps/utpm': checked out '1d0642281086669c6239f9bc1b085463044d69d6'
Submodule path 'uamqp': checked out 'b75cdb7e1736a388fe3e9fc2a99493aa1db6f43f'
Submodule path 'umqtt': checked out '12cb55ee5a926a124f22ad737c7cec35f6af7165'
Submodule 'tinyusb' (https://github.com/hathach/tinyusb.git) registered for path 'lib/tinyusb'
Cloning into '/d/RP2040/RP2040-HAT-AZURE-C/libraries/pico-sdk/lib/tinyusb'...
Submodule path 'lib/tinyusb': checked out '4bfab30c02279a0530e1a56f4a7c539f2d35a293'
submodules ioLibrary_Driver initialised
Running patch D:/RP2040/RP2040-HAT-AZURE-C/patches/01_iolibrary_driver_ethernet_chip.patch
Running patch D:/RP2040/RP2040-HAT-AZURE-C/patches/02_iolibrary_driver_sntp.patch
PICO_SDK_PATH is D:/RP2040/RP2040-HAT-AZURE-C/libraries/pico-sdk
Defaulting PICO_PLATFORM to rp2040 since not specified.
Defaulting PICO platform compiler to pico_arm_gcc since not specified.
-- Defaulting build type to 'Release' since not specified.
PICO compiler is pico_arm_gcc
-- RP2040-HAT-AZURE-C SDK version is 1.0.0
-- The C compiler identification is GNU 10.1.0
-- The CXX compiler identification is GNU 10.1.0
-- The ASM compiler identification is GNU
-- Found assembler: C:/msys64/mingw64/bin/arm-none-eabi-gcc.exe
Defaulting PICO target board to pico since not specified.
Using board configuration from D:/RP2040/RP2040-HAT-AZURE-C/libraries/pico-sdk/src/boards/include/boards/pico.h
-- Found Python3: C:/Program Files/Python39/python.exe (found version "3.9.6") found components: Interpreter
TinyUSB available at D:/RP2040/RP2040-HAT-AZURE-C/libraries/pico-sdk/lib/tinyusb/src/portable/raspberrypi/rp2040; enabling build support for USB.
-- AZURE_SDK_DIR = D:/RP2040/RP2040-HAT-AZURE-C/libraries/azure-iot-sdk-c
-- WIZNET_DIR = D:/RP2040/RP2040-HAT-AZURE-C/libraries/ioLibrary_Driver
-- MBEDTLS_LIB_DIR = D:/RP2040/RP2040-HAT-AZURE-C/libraries/mbedtls
-- PORT_DIR = D:/RP2040/RP2040-HAT-AZURE-C/port
-- Performing Test C_COMPILER_SUPPORTS_WFORMAT_SIGNEDNESS
-- Performing Test C_COMPILER_SUPPORTS_WFORMAT_SIGNEDNESS - Failed
-- Configuring done
-- Generating done
-- Build files have been written to: D:/RP2040/RP2040-HAT-AZURE-C/build

(PWD) RP2040-HAT-AZURE-C/build
$ cd examples/

(PWD) RP2040-HAT-AZURE-C/build/examples
$ make
[  0%] Building C object libraries/CMakeFiles/AZURE_SDK_FILES.dir/azure-iot-sdk-c/c-utility/adapters/socketio_mbed.c.obj
[  0%] Building C object libraries/CMakeFiles/AZURE_SDK_FILES.dir/azure-iot-sdk-c/c-utility/adapters/httpapi_compact.c.obj
[  0%] Building C object libraries/CMakeFiles/AZURE_SDK_FILES.dir/azure-iot-sdk-c/certs/certs.c.obj
[  0%] Building C object libraries/CMakeFiles/AZURE_SDK_FILES.dir/azure-iot-sdk-c/c-utility/pal/tlsio_options.c.obj
[  0%] Building C object libraries/CMakeFiles/AZURE_SDK_FILES.dir/azure-iot-sdk-c/c-utility/src/xlogging.c.obj
[  0%] Building C object libraries/CMakeFiles/AZURE_SDK_FILES.dir/azure-iot-sdk-c/c-utility/src/singlylinkedlist.c.obj
[  1%] Building C object libraries/CMakeFiles/AZURE_SDK_FILES.dir/azure-iot-sdk-c/c-utility/src/buffer.c.obj
[  1%] Building C object libraries/CMakeFiles/AZURE_SDK_FILES.dir/azure-iot-sdk-c/c-utility/src/consolelogger.c.obj
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[  2%] Building C object libraries/CMakeFiles/AZURE_SDK_FILES.dir/azure-iot-sdk-c/c-utility/src/hmacsha256.c.obj
[  2%] Building C object libraries/CMakeFiles/AZURE_SDK_FILES.dir/azure-iot-sdk-c/c-utility/src/httpapiex.c.obj
[  2%] Building C object libraries/CMakeFiles/AZURE_SDK_FILES.dir/azure-iot-sdk-c/c-utility/src/httpapiexsas.c.obj
[  2%] Building C object libraries/CMakeFiles/AZURE_SDK_FILES.dir/azure-iot-sdk-c/c-utility/src/httpheaders.c.obj
[  3%] Building C object libraries/CMakeFiles/AZURE_SDK_FILES.dir/azure-iot-sdk-c/c-utility/src/map.c.obj
[  3%] Building C object libraries/CMakeFiles/AZURE_SDK_FILES.dir/azure-iot-sdk-c/c-utility/src/optionhandler.c.obj
[  3%] Building C object libraries/CMakeFiles/AZURE_SDK_FILES.dir/azure-iot-sdk-c/c-utility/src/sastoken.c.obj
[  3%] Building C object libraries/CMakeFiles/AZURE_SDK_FILES.dir/azure-iot-sdk-c/c-utility/src/sha1.c.obj
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[  3%] Building C object libraries/CMakeFiles/AZURE_SDK_FILES.dir/azure-iot-sdk-c/c-utility/src/sha384-512.c.obj
[  3%] Building C object libraries/CMakeFiles/AZURE_SDK_FILES.dir/azure-iot-sdk-c/c-utility/src/strings.c.obj

(...)

[ 97%] Building C object examples/CMakeFiles/main.dir/__/libraries/azure-iot-sdk-c/serializer/src/schema.c.obj
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[ 97%] Building C object examples/CMakeFiles/main.dir/__/libraries/azure-iot-sdk-c/iothub_client/src/iothub.c.obj
[ 97%] Building C object examples/CMakeFiles/main.dir/__/libraries/azure-iot-sdk-c/c-utility/src/http_proxy_io.c.obj
[ 97%] Building C object examples/CMakeFiles/main.dir/__/libraries/azure-iot-sdk-c/c-utility/src/azure_base32.c.obj
[ 97%] Building C object examples/CMakeFiles/main.dir/__/libraries/azure-iot-sdk-c/provisioning_client/src/prov_device_client.c.obj
[ 98%] Building C object examples/CMakeFiles/main.dir/__/libraries/azure-iot-sdk-c/provisioning_client/src/prov_transport_mqtt_client.c.obj
[ 98%] Building C object examples/CMakeFiles/main.dir/__/libraries/azure-iot-sdk-c/provisioning_client/src/prov_transport_mqtt_common.c.obj
[ 98%] Building C object examples/CMakeFiles/main.dir/__/libraries/azure-iot-sdk-c/provisioning_client/src/prov_security_factory.c.obj
[ 98%] Building C object examples/CMakeFiles/main.dir/__/libraries/azure-iot-sdk-c/provisioning_client/src/prov_device_ll_client.c.obj
[ 98%] Building C object examples/CMakeFiles/main.dir/__/libraries/azure-iot-sdk-c/provisioning_client/src/iothub_security_factory.c.obj
[ 98%] Building C object examples/CMakeFiles/main.dir/__/libraries/azure-iot-sdk-c/provisioning_client/src/iothub_auth_client.c.obj
[ 98%] Building C object examples/CMakeFiles/main.dir/__/libraries/azure-iot-sdk-c/provisioning_client/src/prov_auth_client.c.obj
[100%] Building C object examples/CMakeFiles/main.dir/__/libraries/azure-iot-sdk-c/provisioning_client/adapters/hsm_client_data.c.obj
[100%] Building C object examples/CMakeFiles/main.dir/__/libraries/azure-iot-sdk-c/provisioning_client/deps/utpm/src/tpm_codec.c.obj
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[100%] Linking CXX executable main.elf
[100%] Built target main

(PWD) RP2040-HAT-AZURE-C/build/examples
$ cp main.uf2 /f/

2.3. 📝 Sample application results

2.3.1. 📬 'iothub_ll_telemetry_sample' application result

📑 Let's see this doc for iothub_ll_telemetry_sample application

2.3.2. 📩 'iothub_ll_c2d_sample' application result

📑 Let's see this doc for iothub_ll_c2d_sample application

2.3.3. 🔐 'iothub_ll_client_x509_sample' application result

📑 Let's see this doc for iothub_ll_client_x509_sample application

2.3.4. 🚢 'prov_dev_client_ll_sample' application result

📑 Let's see this doc for prov_dev_client_ll_sample application

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