An SD card based standalone AVR Programmer is live on kickstarter and has 24 days to go.
Here at proto-pic HQ we make kits, lots of kits, and that means lots of AVR programming. We found this a tedious task and wanted a solution to make the whole thing quick and easy. No more did we want to have to use AVRDude or Arduino as ISP to program a few hundred ATtiny85s with a bootloader.
We looked around and found a few stand-alone programmers. Great. However they cost over £100 each and could only store one file which wasn’t so great.
Program-O-Tron – SD Card Based Standalone AVR Programmer – [Link]
Madis Kaal @ nomad.ee designed a infrared repeater based on ATMEL AVR + TSOP1738 infrared receiver. He writes:
I built this MCU based infrared repeater to allow me to control my A/V equipment that is behind a wall. The system is very simple.
Power is supplied to CON1 from a cheap Alcatel phone charger that outputs stabilized 12V, passes through reverse voltage protection diode to IC1 that outputs 5V VCC. Atmel AVR microcontroller runs from 4MHz ceramic resonator Y1, C3+R1 form a reset circuit. Infrared detector (TSOP1738 in my case) is connected to INT0 input, C1+R2 are for detector power filtering.
David Johnson-Davies @ technoblogy.com has a nice guide on how to program ATtiny10 6-pin mcu using the arduino IDE. Programming is done using the widely available USBasp programmer from Thomas Fischl. Examples are also included on the guide.
Unlike the SPI protocol used to program the larger AVR chips, such as the ATmega328 in the Arduino Uno, the ATtiny10 uses a programming protocol called TPI (Tiny Programming Interface) which needs only five wires. Fortunately Thomas Fischl’s excellent USBasp programmer supports this protocol ; you can build your own, order one from his site, or they are widely available on eBay , Banggood , etc.
AVR is a family of microcontrollers developed by Atmel beginning in 1996. These are modified Harvard architecture 8-bit RISC single-chip microcontrollers. The Atmel AVR core combines a rich instruction set with 32 general purpose working registers. Atmel’s ATmega8 comes from the AVR line of microcontroller and it is a gem of the modern maker movement. It is used as the heart of the first generation of the Arduino board to be widely adopted by electronics hobbyists. Countless creative projects are designed with those cheap yet powerful chips.
ATmega8 was originally developed in the early 1990s by two students at the Norwegian University of Science and Technology, Alf-Egil Bogen, and Vegard Wollan. Microcontrollers are different from microprocessors in terms of built-in memory and I/O peripherals. They typically have their own onboard program memory and RAM, rather than relying on external chips for these resources.
When Bogen and Wollan were in university, they faced trouble in following the steep learning curve of the complex instruction sets for microprocessors. Most of the processors used in those days were CISC(Complex instruction set computer) based. They wanted to design a RISC (reduced instruction set computer) based microcontroller with an aim in mind to create something that would be easy to program and relatively powerful. Bogen explained in a YouTube video,
I found them very hard to us. The learning curve to get to use them was hard; I found the development tools crappy. And also I saw that the performance of the products was not where I wanted it to be.
Computers, that are typically used on the day-to-day basis, use Von Neumann architecture. In this architecture, programs are loaded into the RAM first and then executed from the same. AVR uses the Harvardarchitecture, in which program memory and working RAM are kept separate, thus enables faster execution of instructions. The first prototype of AVR used ROM, which is not re-writeable, as the program memory. Later Atmel added easily programmable (and reprogrammable) flash memory to the processor core. The first commercial AVR chip, the AT90S8515, was released in 1996. Wollan says in a video,
instructions and stuff were things we were actually thinking of from the very beginning to make it efficient and easy to use from a high-level point of view
AT88CK490 Kit devices are based on Atmel AT90USB1287 microcontroller which provides a convenient USB 2.0 interface allowing users to understand and experiment with the CryptoAuthentication devices. Developers can use the provided 5-pin interface at the end of the board and can be used to monitor the I2C protocol.
This kit gives engineers, developers, and decision makers a tool to understand the device architecture and its usages for product authentication, confidential file protection, performing two-factor logons, or preventing software piracy.
Atmel ATECC108A CryptoAuthentication IC: I2C Address (0xC0) – AT88CK490 Only
Atmel ATECC508A CryptoAuthentication IC: I
2C Address (0xC0) – AT88CK590 Only
128KB of In-system Programmable Flash
8KB Internal SRAM
USB 2.0 Full Speed Device
Power LED (Red)
Three Status LEDs (Blue)
Atmel CryptoAuthentication is a crypto element device family with ultra-secure hardware-based key storage. It is used to ensure that the product and its accessories are original and are not counterfeited. CryptoAuthentication devices support modern cryptographic standards. They are cost-effective, require only a single GPIO, use very little power, operate over a wide voltage range, and work with any MCU.
Elliot Williams @ hackaday.com show us how to use your Arduino to program AVR TPI enabled microcontrollers.
Turning an Arduino of virtually any sort into a simple AVR 6-pin ISP programmer is old hat. But when Atmel came out with a series of really tiny AVR chips, the ATtiny10 and friends with only six pins total, they needed a new programming standard. Enter TPI (tiny programming interface), and exit all of your previously useful DIY AVR programmers.
The Apple II personal computer, which stylized as Apple ][, is an 8-bit home computer and one of the first highly successful mass-produced microcomputer products. It was designed primarily by Steve Wozniak and developed with Steve Jobs. Apple ][ was introduced in 1977 at the West Coast Computer Faire by Jobs and was sold several million times till 1993.
Maximilian Strauch is a computer scientist, software developer, web designer and maker from Germany. In 2014 he wrote about implementing a software emulator for the complete Apple ][ computer system on a single Atmel AVR microcontroller unit (MCU) in his Bachelor thesis.
The microcontroller not only emulates the MOS 6502 processor, it also performs other tasks such as output display and input keyboard. A challenging task is to get the 20 MHz AVR controller run as the 1 MHz processor.
The final result of the thesis is a fully functional, battery powered and portable Apple ][ emulator.
This video shows the final prototype in action and demonstrates most of it’s features.
The layer diagram of the Apple ][ emulator consist of about 10 layers shown in the next figure.
Emulator Runtime Environment (ERE): Contains the source code which makes up the main (backend) GUI of the emulator in particular, the menus.
UI Framework / Display I/O: Some low level functions to control the LCD display (SSD 1289 controller) and functions to paint menus and backgrounds.
Keyboard I/O: Accepts key presses from the separate keyboard controller and provides some high-level functions to convert Apple ][ keystrokes into regular ASCII keycodes and some wait-for-keypress functions.
State I/O: The emulator supports saving the current state of the entire emulation including RAM and the processor registers. Therefore the execution can be saved and reloaded later to continue at the exact same execution state.
TWI / EEPROM: Provides physical layer support to talk to an EEPROM, e.g. two functions which utilize the AVR’s hardware support for I2C to talk to the 128KB I2C serial EEPROM from Microchip.
DSK I/O: Contains all high-level functions to read Apple ][ floppy disk images (5 1/2 inch floppy disks, normally 140 KB in total) and list that contained programs to load them into memory.
SD Library (3rd party): The emulator uses the Petit FAT File System Module by Elm Chan since it works out of the box. A further improvement could be to store states to the SD card.
6502 CPU Emulation: Advanced emulation of the MOS 6502 processor without support for illegal instructions (not originally defined) and the BCD mode.
Atmel tinyAVRmicrocontrollers are optimized for applications that require performance, power efficiency and ease of use in a small package. All tinyAVR devices are based on the same architecture with other AVR devices. The integrated ADC, DAC, EEPROM memory and brown-out detector let you build applications without adding external components. The tinyAVR also offers Flash Memory for fast, secure and cost-effective in-circuit upgrades that significantly cuts your time to market.
The latest tinyAVR devices (ATtiny417/814/816/817) by Atmel combine AVR core with CIPs (Core Independent Peripherals). PIC microcontrollers with Core Independent Peripherals (CIPs) already raised the performance of 8-Bit-MCUs to a new level. Since the acquisition of Atmel by Microchip, this is the first time the company leverages features from both MCU families.
So, now the question is:
What Is CIP?
In fact, the term CIP or Core Independent Peripherals is pretty much self-explanatory. Microchip’s description of CIP is:
CIPs allow the peripherals to operate independently of the core, including serial communication and analog peripherals. Together with the Event System, that allows peripherals to communicate without using the CPU, applications can be optimized at a system level. This lowers power consumption and increases throughput and system reliability.
Core Independent Peripherals or CIPs are designed to handle their tasks with no code or supervision from the CPU to maintain their operations. As a result, they simplify the implementation of complex logic control systems and give designers the flexibility to innovate.
rik @ riktronics.wordpress.com show us how to program AVR microcontrollers using an Arduino board.
Advanced hobbyists like me (and you, of course 😉) love to play with microcontroller. And the most famous microcontrollers for beginners are AVR series from Atmel™. Almost all beginners in microcontroller-world have their Arduino boards lying on work table. Because it is so much easy, so much fun, and so much famous. Here I explained How to Burn Programs In Your AVR Microcontroller Using An Arduino.
The new generation of programmers that use WiFi instead of cables. Program, control and monitor Robots, AVR and Arduino over WiFi.
Have you ever thought of programming wirelessly ? WiLoader is the answer. But HOW ???? WiLoader easily connects to your WiFi network, then you can program your AVR, Arduino boards, Robots and other targets like them. It doesn’t need any kind of cable for computer connection, especially those huge old USB ones. Because it employs WiFi, even your smartphone can be used to configure, communicate, control and monitor your targets via a WiFi-UART bridge.
WiLoader : The WiFi Programmer for Arduino & AVR – [Link]