Online Security in Embedded Systems

These days many gadgets with embedded systems are being used. Tablets, Netbooks and Desktop Clients. Many of these are used to make secure transactions like Banking. It is also used as a Security Device for Web Applications and Website Memberships.

The secure transaction process has improved. I know there is encryption and also the NIC number of Ethernet cards etc. I have some thought, i think i will note it here. In one sentence “Make Every CPU Chip Unique with a Unerasable ROM ID Code or Signature” this can also be tied to a QR Code.  A Firmware query spawned by a SSL TCP/IP action will return the CHIP ID which enables secure communication and device tracking overriding all user controls.

Online Security in Embedded Systems

Processor manufactures and Chip IP makers are standardized. The Secure CPU makers should obtain a license for secure CPU, which will be a CPU but with a Secure Transaction Chip with Unique Identification Code engraved within. Each Chip is unique and a replacement of CPU needs new authentication for all transactions. No two chips are made the same, the unique numbers are not on flash (like BIOS), but digitally etched-burnt with indelible e-ink. So when a person makes transaction his computer is more securely authorized. More security options like GPS in CPU for big transactions, these computers will be expensive too.

(First posted in delabs Notes 2006 – Then in Nomadic Computing 2007)

Programming Breakpoints and Testpoints

Breakpoints may not serve the purpose fully, it may be easier to use Testpoints and incremental coding.
When we build Electronic Circuits with many Interacting Blocks or Modules, We put a small 5mm Tall Copper Pin in the PCB or a PAD without masking. This is a Test or Troubleshooting Point. This is where you can probe with a scope, dmm or logic analyzer.

Programming Breakpoints and Testpoints

In embedded program development, i tried a similar way, a Testpoint in software, but only that the card would light a led in a certain pattern or send a “all ok” and progress status to the serial port connected to PC.
In Script programming we can use a GUI element, just a Textbox as a Scope monitoring the Testpoint. When the program goes beyond the Testpoint, The GUI Text window will hold the Status. Just like you move the probes of the same DMM, you can keep shifting the Testpoints or Multiplex the same Scope, as the program becomes bigger.

So, before you build the Next big Program, Build the Test Equipment and the First Testpoint. The first few lines of code is written around the First Test point. Like it is done in PCBs, incremental Building-Testing.
Lastly Break Big Jobs to Small Pieces. Like the Plugin Modules in a Oscilloscope, The Components or Modules should be built and tested independently and then Combined to Form one Big System. Then they can be maintained and reused easily.

Dec-07 from 2003 delabs notes

Visual Embedded RAD

Just like an electronic circuit is a graphical representation of what will be on the PCB. Firmware development should be a 2D graphical diagram of what goes into eeprom.

An example is the Ladder Logic software that can program 80C51 types in a Fanuc, Allen Bradley or Siemens PLCs. Then many people can do at least restricted firmware programming for some embedded solutions.

Build a DMM or digital multi meter

Visual Embedded RAD. This is more like code snippets inserted in code in the background when user drags and drops a Hardware Function or Program Method. The Environment is Visual, but Code is compact as same modules or blocks used. There is no C or Intermediate Language. Visual to Binary Hex Direct.

(Idea – Mar-04, Revised again – 4 April 2008, Nature – Open Source Anantha Narayan )

The Motor Bicycle

At late 40s I am into riding Geared Cycles. A Cycle Guru says it is the ‘Cadence’ in pedaling speed. What I need is a ‘Mentor’ for the Methodology behind Optimum Gear usage.

Mixed Circuits Analog with Digital

But some people are developing what will become well known as The Motor Bicycle, funny names.

Updated Nov 2015

Atmel Corporation – Advanced Semiconductors

Design and manufacture of advanced semiconductors, with focus on microcontrollers, nonvolatile memory, logic, radio frequency (RF) components and sensors.

Atmel Corporation – Advanced Semiconductors

The also have application-specific standard products (ASSPs) or custom ASICs. The popular products with the Embedded Engineer Include Atmel AVR 8-bit and 32-bit microcontrollers, ARM-based computing chips. and the New SAM D20 family based on the ARM Cortex…

SAM9M10-G45-EK – ARM926-based eMPU eval kit

Fully-featured evaluation platform for the Atmel AT91SAM9M10 or AT91SAM9G45 microcontroller. The evaluation kit allows users to extensively evaluate, prototype and create application-specific designs.

SAM9M10-G45-EK - ARM926-based eMPU eval kit

Highlights – Two high speed USB hosts and one high speed USB device port. An Ethernet 10/100 interface. Two high speed multimedia card interfaces. An LCD TFT display 480-RGB-272. A composite video output. A camera interface and communication peripherals.

8051 Architecture – Application Notes

Broad range of feature-rich 8-bit microcontrollers (MCUs) based on the 8051 instruction set. Pin-to-pin compatible members from our 8051 portfolio. 8-bit MCUs based on the low-power single-cycle AT89LP core to MCS-51 industry-standard socket drop-in devices and small-footprint 14/16/20/28-pin derivatives.

Updated Nov 2013

EE Journal – Embedded FPGA ASIC Design

Embedded Technology Journal and FPGA Structured ASIC Journal are now in EE Journal

EE Journal – Embedded FPGA ASIC Design

“The first year of a new publication is always exciting, but Embedded Technology Journal first year has been nothing short of stellar. We began, of course, with modest-sized audiences mulling our strange stories about putting tiny little computers into toasters and such. People pondered processors, studied software, meditated about memories, brushed up on busses, wrestled with RTOS, and fumbled with FPGAs. We covered applications ranging from smart phones to avionics and touched on some truly unique systems like golf radar and digital scarecrows.”

An approach to comprehensively verify a multi-clock design

An approach to comprehensively verify a multi-clock design

“One example of a combined solution is outlined in Figure 2, where timing exceptions between synchronous clocks are verified using Atrenta’s SpyGlass-TXV timing exception verification tool and the correct synchronization of interfaces between asynchronous clocks is handled by the SpyGlass-CDC tool, giving complete overall coverage.”

Texas Instruments Embedded Processors Wiki

This Collaborative Web Publishing and Knowledge Sharing system is to assist developers using Embedded Processors from Texas Instruments.

Texas Instruments Embedded Processors Wiki

VAR-SOM-OM54 System On Module SOM

The VAR-SOM-OM54 adapts to the most advanced manufacturing capacities, based on the OMAP5432, 1.7Ghz Cortex-A15, offering a CPU performance boost of over 50% as compared with the OMAP4460.

VAR-SOM-OM54 System On Module SOM

“The fastest ARM System-on-Module today! leverages the cutting edge of mobile computing for embedded and industrial product designs.”

delabs Ideas and Notes-

When you see things like Smartphones and Tablets you know that embedded developers are more empowered today. This is due to the fact that component technologies have advanced rapidly, more zap for a given footprint.

More Memory, Less Power Consumption, Excellent Computing Power. Interactive Display (Touch Screen) have just made amazing things possible within a limited Gadget Real Estate.

When uC – uP pack more juice for a given battery life and configurable OS like Linux are used. The OS will not be a burden on the CPU.

Regulated Resource usage + Good CPU power = Fast Gadget Apps

Multi-Tech Embedded Communications Solutions

A leading developer and manufacturer of M2M or machine-to-machine communications products. Device Networking Systems and Modules.

Multi-Tech Embedded Communications Solutions

Manufacturer of award-winning Unified Communications and device networking products.

A versatile suite of hardware and software products to make your Internet of Things IoT system development easy and powerful.

MultiConnect Dragonfly for M2M and IoT

MultiConnect Dragonfly cellular SoM

These are complete, ready-to-integrate processing and communications devices that offer developers the functionality of a SoM with the convenience of an onboard cellular radio all in one compact design.

Dragonfly also comes with an ARM mbed compatible software library for even faster development as well as future support for MultiTech’s hosted application store and device management systems.

Multi-Tech Systems, Inc.
2205 Woodale Drive Mounds View, MN 55112 United States.