ARM uControllers

&

WiFi

➜  ~ whoami
anuj

➜  ~ uname -a
Computer/Engineering PICT Wed Jul 10 00:07:12 UTC 2014 ARM Cortex-A8 BBB - \
ARM Cortex M4F Knit - AVR RISC 32u4 Tah
➜  ~ elinks www.anujdeshpande.com

ARM

read more : https://www.arm.com/

  • ARM does NOT make chips
  • ARM and THUMB instruction sets
  • Keil
  • arm-linux-gnueabi-* & arm-none-eabi-* & more 

 

uControllers

  • RTOS vs OS (real time is defined by s/w, not h/w)
  • "Raspberry Pi"
  • Count the number of chips
  • Cloud means uControllers makes sense

 

 

and WiFi

  • GSM
  • Ethernet
  • Thread
  • BLE
  • misc

ARM

uControllersand WiFi

Demos

Toolchains

Makefiles

Hello World

Blink LED

Cloud

ReST

  • SOAP
  • Web

MQTT

  • History
  • Hardware

and others..

RTOS

hard vs soft

  • VxWorks
  • FreeRTOS
  • uC/OS
  • NuttX

Zephyr, MyNewt - new kids on the block

"With great power (Internet) comes great responsibility (HTTPS)"

  • Cloudflare
  • Letsencrypt

shodan.io*

http vs https

#HTTPSeverywhere

HTTP/2

Q&A

https://makerville.io/knit

ARM uControllers

By anujdeshpande

ARM uControllers

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