Go Further Without Wires

FOSDEM 2022

Ron Evans - @deadprogram

Ron Evans (@deadprogram)

Technologist For Hire

hybridgroup.com

Technologists
For Hire

Clients

Open Source Projects

gobot.io

gocv.io

tinygo.org

Wireless Networking

Go Without Wires (FOSDEM 2021)

Go Bluetooth

tinygo.org/bluetooth

Go Further Without Wires

Go Further Without Wires

Wireless Local Area Network

(WLAN)

Wifi

How The Internet Really Works

"The Internet"

Transmission Control Protocol /
Internet Protocol

aka

TCP/IP

Protocols

Normally you don't worry about this


import (
	"net"
	"net/http"
)

But What About The Metal?

TinyGo Drivers

github.com/tinygo-org/drivers


import (
	"tinygo.org/x/drivers/net"
	"tinygo.org/x/drivers/net/http"

	"tinygo.org/x/drivers/wifinina"
)

Hello, World

Connect to an Wireless Access Point (AP)

Arduino Nano 33 IoT

Microchip SAMD21

32-bit processor

120 Mhz Cortex-M4

512K Flash

ublox Nina-W102

Dual-core Xtensa LX6

32-bit processor

240 Mhz

16MB Flash

WiFiNINA

↓

SPI

Code

Demo

HyperText Transfer Protocol (HTTP)

http

Web Client

Seeedstudio Wioterminal

Microchip SAMD51

32-bit processor

120 Mhz Cortex-M4

512K Flash

Realtek RTL8720DN

Dual-core

KM4 Arm Cortex-M4 - 200 Mhz

KM0 Arm Cortex-M0 - 20 Mhz

4MB Flash

Embedded RPC (erpc)

↓

UART

Code

Demo

Message Queuing Telemetry Transport (MQTT)

mqtt

MQTT Client

Adafruit PyPortal

Microchip ATSAMD51J20

ARM Cortex M4

32-bit processor

120 Mhz

256K RAM

ublox Nina-W102

Dual-core Xtensa LX6

240 Mhz

16MB Flash

WiFiNINA

↓

SPI

Code

Demo

User Datagram Protocol (UDP)

TCP vs. UDP

Network Time Protocol (NTP)

Flying Drone Protocol (FDP)

*I just made that up

DJI Tello

Flight Control Badge

Adafruit Pybadge

Microchip ATSAMD51J18

ARM Cortex M4

32-bit processor

120 Mhz

256K Flash

Adafruit Airlift Featherwing

Espressif ESP32-WROOM-32

Dual-core Xtensa LX6

240 Mhz

16MB Flash

WiFiNINA

↓

SPI

Code

Demo

Connect all the things using Go

tinygo.org

Thank you!

@deadprogram

Technologist For Hire