Track 2 session 3 - st dev con 2016 - simplifying cloud connectivity
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The document summarizes a presentation on simplifying cloud connectivity for IoT devices using the STM32L475 Discovery Kit IoT Node. It discusses the growth of the IoT movement, development challenges for IoT, and how the Discovery Kit provides an integrated solution with wireless connectivity, sensors, processing power, and tools to simplify connecting devices to the cloud. It also demonstrates uploading sensor data and events from the Kit to the AWS IoT cloud platform using MQTT.
Track 2 session 3 - st dev con 2016 - simplifying cloud connectivity
- 1. October 4, 2016 Santa Clara Convention Center Mission City Ballroom Simplifying Cloud Connectivity Slim Jallouli David Kwak
- 2. Agenda Time Presentation • Simplifying Cloud Connectivity • The IoT Movement • IoT Development Challenges • STM32L475 Discovery Kit IoT Node • Summary • AWS Cloud Connectivity Demo 11:40 – 12:25 2
- 3. The IoT Movement Nodes Gateways Cloud Smart Things (With intelligence) Simple Things (Send raw data) Gateway Network infrastructure (Switch / Router) Servers (Big data & cloud) Sense – Process – Connect – Power - Secure Process – Connect – Power - Secure Process – Power - Secure Wi-Fi Other RF Other RF cell Wi-Fi : BT, BLE, 802.15.4, NFC, subGHzOther RF 3
- 4. IoT Development Challenges Products IoT Targeted Hardware & Component Availability? Solutions IoT Ready Full Software Stack Solutions? Design Ecosystem Software & Firmware Tool & Development Support? Cloud Partners Out-Of-The-Box IoT Cloud Connectivity? Do we have the right building blocks? IBM BlueMix Microsoft Azure AWS Function Packs Open.Software STM32 IoT DK STM32 ODE 4
- 5. STM32L475 Discovery IoT Node Microphone Microphone BlueNRG Sub GHz Wi-Fi NFC EEPROM QSPI Flash STM32L475VG TOF Sensor Sensors Mag Sensor User Button Reset Button User LEDs ST-Link + VCP ST-Link Status LED USB-OTG PMOD Arduino Connector Arduino Connector Power 5
- 6. The IoT Movement Nodes Gateways Cloud Smart Things (With intelligence) Simple Things (Send raw data) Gateway Network infrastructure (Switch / Router) Servers (Big data & cloud) Sense – Process – Connect – Power - Secure Process – Connect – Power - Secure Process – Power - Secure Wi-Fi Other RF Other RF cell Wi-Fi : BT, BLE, 802.15.4, NFC, subGHzOther RF 6
- 7. STM32L475 Block DiagramKey features • Cortex M4 with DSP, FPU @ 80MHz and ART • 1.71V – 3.6V supply 80 MHz Full functional • 1MB Flash dual bank/ 128KB RAM • USB OTG FS –LPM Battery Charging Detection • 3 x Ultra-low-power 12-bit ADC 5 M • Touch-Sensing 24 channels • Ultra-low power • VBAT • Better Wake Up time vs. STM32L1 • Down to 160µA/MHz dynamic • New set of Com. peripherals • I²C FM+ • SPI: variable data length • USART • LP UART & 16-bit Timer • FSMC, Quad SPI • CAN, SWPMI, SDMMC, 2x SAI • Digital filter for Sigma delta modulator • 16 x timers • Analog: Op-Amps, comparators, DAC, VREF, temperature sensor • RNG 7
- 8. Wireless Connectivity – Wi-Fi • Inventek ISM43362 Wi-Fi Module • 802.11 b/g/n compliant module. • Fully contained TCP/IP stack minimizing host CPU requirements. • FCC and CE certified. • Secure Wi-Fi authentication supporting WEP-128, WPA-PSK (TKIP), WPA2-PSK. 8
- 9. Wireless Connectivity - BLE • ST SPBTLE-RF BLE Module • Based on our ST BlueNRG-MS BLE 4.1 Wireless Network Processor • Bluetooth Low Energy 4.1 compliant • FCC and IC certified module with integrated balun & antenna. 9
- 10. Wireless Connectivity - SubGHz • ST SPSGRF-915 (915 MHz) Sub GHz Module • FCC and IC certified module with integrated balun & antenna. • Supports 2-FSK, GFSK, MSK, GMSK, OOK and ASK modulation schemes. • Long range (100s of meters+) with an air data rate from 1 to 500 kbps 10
- 11. Wireless Connectivity - NFC • ST M24SR64-Y Dynamic NFC/RFID Tag • NFC Forum Type 4 Tag • ISO/IEC 14443 Type A • 106 Kbps Data Rate 11
- 12. Wired Connectivity Features • ST-Link V2 • Programming and Debug Interface • USB OTG FS • Full Speed USB On-The-Go Communication Interface • PMOD • Peripheral MODule Interface Supporting GSM, GPS, LoRa, etc.. • Arduino Connectors • Arduino Compatible Connectors to Interface with Additional ST X-NUCLEO or 3rd Party Expansion Board. 12
- 13. Sensors • Full Range of Motion & Environmental MEMS Sensors • ST LSM6DSL Accelerometer + Gyro Sensor • ST LIS3MDL Magnetometer Sensor • ST HTS221 Humidity + Temperature Sensor • ST LP222HB Pressure Sensor 13
- 14. Sensors • ST VL53L0X Time-of-Flight Range Sensor • Integrated High Accuracy Proximity/Range Sensor • ST MP34DT01 MEMS Digital Microphones • Utilize for Voice & Audio Recognition Functions • Incorporate as an Acoustic Beam Forming Feature 14
- 15. User Resource Features • Reset and User Buttons • Board Reset and Programmable Application Buttons • User LEDs • Programmable Application LEDs • QSPI Flash • 64Mbit for data storage and program execution • Selectable Power Supply • ST-Link, USB-OTG, Arduino or External Power 15
- 16. Summary Advantages of Single Board vs Modular • Easily Debug Hardware Issues on a Single Board. • Collateral Includes Tightly Coupled Firmware • BSP Included for All Board Components • Cloud Connectivity Reference Solutions Included • Represents a Cost Effective Development Solution • $35 vs. $125 in a typical modular solution • No Need to Manage & Order Multiple Board SKUs. 16
- 18. ST-AWS Cloud Application 18 MQTT SensorsWi-Fi IoT node Discovery Kit Sensor data telemetry and LED control via MQTT Telemetry, data, alerts, rules, etc. AWS IoT TLS for Wi-Fi
- 19. Timer-based data upload • A timer is used to upload accelerometer data every 10 seconds. 19 AWS IoT
- 20. Event-based data upload • A button press is used to simulate a critical event. • LED toggle event/state is uploaded immediately. AWS IoT ! 20
- 21. Releasing Your Creativity with the new STM32 www.st.com/stm32 /STM32 @ST_World st.com/e2e 21