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Figure 3-11. MQTT MCC

3.1.1.4

Generating MCC Files and Programming the Board

• After the addition and/or configuration of component libraries and peripherals, click the

Generate

button on the

left-hand corner of the window, as shown in the

Generating MCC Code

, and wait for the generation to complete.

• Click the

Make and Program Device

button near the middle of the toolbar. Make sure the board is connected to

the system during programming.

AVR-IoT WA User Guide

Code Source Platforms

©

2020 Microchip Technology Inc.

User Guide

DS50002998A-page 24

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Содержание AVR-IoT WA

Страница 1: ...ull programming and debugging support through Atmel Studio MPLAB X IDE Communication Library It also provides access to a serial port interface serial to USB bridge and two logic analyzer channels deb...

Страница 2: ...Account 16 3 Code Source Platforms 17 3 1 Code Generation from MCC 17 3 2 Getting the Source Code from GitHub 25 4 Hardware Guide 26 5 FAQs Tips and Troubleshooting 27 5 1 FAQs and Tips 27 5 2 LED Sta...

Страница 3: ...Charge Status LEDs LiPo Connector MCP73871 LiPo Charger ATECC608A Secure Element Light Sens or MCP9808 Temperature Sens or MIC33050 Voltage Regulator SPICS Reset Interrupt AVR IoT WG Development Board...

Страница 4: ...ction to AWS Cloud Yellow DATA Blinking Yellow Data Publication to the Cloud Indicates that sensor data in the form of MQTT packet has been successfully published to AWS Cloud Solid Yellow for ON stat...

Страница 5: ...INFO HTM redirects the user to a site containing information and resources about the board KIT INFO TXT a text file with details about the PKOB nano firmware and the board s serial number PUBKEY TXT a...

Страница 6: ...marker lights up signifying that data is streaming from the board to the cloud For each successful MQTT publication of data yellow LED on the board blinks 2 3 Connecting the Board to Wi Fi Networks 2...

Страница 7: ...ormation entered in the SSID and password fields is not transmitted over the web or to the Microchip or any of the Cloud servers Instead the information is used locally within the browser to generate...

Страница 8: ...hen the Soft AP mode has been successfully entered the board can be detected as a Wi Fi access point named MCHP IOT ACCESSPOINT The blue LED will start blinking when Soft AP is available Using a mobil...

Страница 9: ...connected to the Microchip sandbox account The full storage catalog of the AWS Cloud features such as data storage retention can be available to the user with the use of the board once removed from th...

Страница 10: ...load where toggle is the attribute state reported toggle 1 The payload consists of key value pairs In the above example attribute toggle is set to 1 The user can expand the application to add more att...

Страница 11: ...s 1 but a client sent a desired state for toggle as 0 The device would receive update like below version 1349 timestamp 1583450271 state toggle 0 metadata toggle timestamp 1583450271 Further informati...

Страница 12: ...rature graphs In this section the user can go through the steps of building their own custom application To quickly preview the capability to send messages from the Cloud to the board click the Implem...

Страница 13: ...his topic when there is a difference in attribute values The payload received here is limited by the MQTT Receive Buffer bytes configurable in MQTT library MCC window see Figure 3 12 for more details...

Страница 14: ...ed Debugger PKoB nano also provides access to a serial port interface serial to USB bridge This facilitates the user to drag and drop a modified hex file which contains the firmware updates This featu...

Страница 15: ...he user selects Enable debug messages option in the AVR IoT Sensor Node Library Configured Debug Severity level is used to determine messages displayed using debug_printer 0 Normal At this level only...

Страница 16: ...ation code in MCC 2 6 Migrating to a Private AWS Cloud Account Once the features and capabilities of the AVR IoT WA board have been explored the user can begin the process to move development out of t...

Страница 17: ...enerate a microcontroller code for it 3 1 1 1 Creating the MPLAB X Project 1 Create a new stand alone project see Create New Project in MPLAB X using the ATmega4808 as the device see Selecting a Devic...

Страница 18: ...Figure 3 1 Create New Project Figure 3 2 Selecting a Device ATmega4808 AVR IoT WA User Guide Code Source Platforms 2020 Microchip Technology Inc User Guide DS50002998A page 18...

Страница 19: ...Figure 3 3 Selecting a Programmer Figure 3 4 Selecting a Compiler AVR IoT WA User Guide Code Source Platforms 2020 Microchip Technology Inc User Guide DS50002998A page 19...

Страница 20: ...e Project The example module makes use of multiple libraries and peripherals To configure the libraries double click on each library in the Device Resources window to view their setup windows AVR IoT...

Страница 21: ...y To avoid using this outdated library and its components always check that you are loading the AVR IoT AWS Sensor Node Library and not the AVR IoT WG Sensor Node Library The correct library will also...

Страница 22: ...fault SSID password authentication type and inclusion of IPSocket for the network to which the board will be connected as seen in WINC MCC Message Queuing Telemetry Transport MQTT MQTT is used as a me...

Страница 23: ...Figure 3 10 WINC MCC AVR IoT WA User Guide Code Source Platforms 2020 Microchip Technology Inc User Guide DS50002998A page 23...

Страница 24: ...rate button on the left hand corner of the window as shown in the Generating MCC Code and wait for the generation to complete Click the Make and Program Device button near the middle of the toolbar Ma...

Страница 25: ...and Atmel Studio The hex file is also available for download from the releases tab for drag and drop programming Refer to the table below for the links to the GitHub deployments For full URLs to the...

Страница 26: ...nts configuration and schematics For in depth information on the hardware features of the AVR IoT Wx boards see the full AVR IoT Wx Hardware User Guide For the full URL of the document refer to the Re...

Страница 27: ...ined after subsequent power cycles of the AVR IoT Development Board but the file will disappear 3 Can a phone tablet alone be used to perform the demo Assuming the user has a way to provide power to t...

Страница 28: ...any firewall settings that might block access 5 2 LED Status Troubleshooting Table 5 1 Application LED Troubleshooting LED Sequence Description Diagnosis Action All LEDs are OFF Board is not programme...

Страница 29: ...on required OR Blue and Green LEDs are ON Yellow LED held high low Subscribe topic toggle value received Nothing to do LED will reflect Toggle value LED behavior returns to normal after HOLD PERIOD Ta...

Страница 30: ...s AVR IoT WG for MPLAB X on GitHub Source code github com microchip pic avr solutions avr iot google sensor node mplab hex file github com microchip pic avr solutions avr iot google sensor node mplab...

Страница 31: ...bles and configures a rich set of peripherals and functions specific to the application Atmel START www microchip com start Online tool that helps the user to select and configure software components...

Страница 32: ...7 Revision History Doc Rev Date Comments A 06 2020 Initial document release AVR IoT WA User Guide Revision History 2020 Microchip Technology Inc User Guide DS50002998A page 32...

Страница 33: ...able through the website at www microchip com support Microchip Devices Code Protection Feature Note the following details of the code protection feature on Microchip devices Microchip products meet t...

Страница 34: ...ProASIC Plus logo Quiet Wire SmartFusion SyncWorld Temux TimeCesium TimeHub TimePictra TimeProvider Vite WinPath and ZL are registered trademarks of Microchip Technology Incorporated in the U S A Adj...

Страница 35: ...China Xiamen Tel 86 592 2388138 China Zhuhai Tel 86 756 3210040 India Bangalore Tel 91 80 3090 4444 India New Delhi Tel 91 11 4160 8631 India Pune Tel 91 20 4121 0141 Japan Osaka Tel 81 6 6152 7160 J...

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