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=== ATMEL AVR workshop === | |||
ATMEL AVR workshop | |||
Instructor: Chikashi Miyama | Instructor: Chikashi Miyama | ||
Why AVR ? | |||
==== Why AVR ? ==== | |||
Arduino is nowadays almost the de-facto standard. Many electronic instrument builders and installation | Arduino is nowadays almost the de-facto standard. Many electronic instrument builders and installation | ||
artists employ it for there works. It is easy to use and helpful for prototyping. However, if you want to make | artists employ it for there works. It is easy to use and helpful for prototyping. However, if you want to make | ||
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probably not the best choice; it is too expensive and sometimes takes too much space in your hardware / | probably not the best choice; it is too expensive and sometimes takes too much space in your hardware / | ||
installations. | installations. | ||
Arduino consists of several parts. a USB socket, a crystal, a | Arduino consists of several parts. a USB socket, a crystal, a | ||
regulator, an ISP socket, a USB-serial chip, several capacitors, | regulator, an ISP socket, a USB-serial chip, several capacitors, | ||
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expensive component on this board? It is obviously the micro | expensive component on this board? It is obviously the micro | ||
controller. However, it actually costs around 3 - 4$. | controller. However, it actually costs around 3 - 4$. | ||
Though Arduino facilitates many things by offering USB slot and | Though Arduino facilitates many things by offering USB slot and | ||
power jack, these connectors are not necessary for all projects. | power jack, these connectors are not necessary for all projects. | ||
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chip. For example, you can actually use faster crystals than 16 | chip. For example, you can actually use faster crystals than 16 | ||
Mhz (up to 20Mhz ) but Arduino restricts it by putting 16Mhz | Mhz (up to 20Mhz ) but Arduino restricts it by putting 16Mhz | ||
crystal on the board. | crystal on the board.(Probably because they are using firmware based USB connection using second ATMEL chip on the board.) | ||
This workshop is for people who want to open the hood of Arduino and fully utilize the features of ATMEL | This workshop is for people who want to open the hood of Arduino and fully utilize the features of ATMEL | ||
AVR chips. I will introduces how to program the AVR chip directly using C language, demonstrates many | AVR chips. I will introduces how to program the AVR chip directly using C language, demonstrates many | ||
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participants. Participants donʼt have to buy anything expensive for starting AVR programming. They can | participants. Participants donʼt have to buy anything expensive for starting AVR programming. They can | ||
actually use their Arduino as the writer of the AVR chip! | actually use their Arduino as the writer of the AVR chip! | ||
ATMEL AVR ATMega 88 | |||
==== ATMEL AVR ATMega 88 ==== | |||
Though there are more than 100 variant of ATMEL AVR microcontroller. http://www2.atmel.com/ | Though there are more than 100 variant of ATMEL AVR microcontroller. http://www2.atmel.com/ | ||
The workshop focuses on ATMEL AVR ATMega 88 PDIP. It costs around 3$ and available all over the | The workshop focuses on ATMEL AVR ATMega 88 PDIP. It costs around 3$ and available all over the | ||
world. It offers 131 powerful instructions, on-chip multiplier, 6 PWM channels, 6 10 bit ADC, SPI bus, and | world. It offers 131 powerful instructions, on-chip multiplier, 6 PWM channels, 6 10 bit ADC, SPI bus, and | ||
various timers. It runs maximum 20 Mhz with an external crystal. | various timers. It runs maximum 20 Mhz with an external crystal. | ||
Refer http://www.atmel.com/dyn/resources/prod_documents/2545S.pdf for further specification. | Refer http://www.atmel.com/dyn/resources/prod_documents/2545S.pdf for further specification. | ||
==== What workshop covers ==== | |||
What workshop covers | |||
AVR chip offers very many functions and it is impossible to cover | AVR chip offers very many functions and it is impossible to cover | ||
everything in limited time. So I would like to separate my workshop into | everything in limited time. So I would like to separate my workshop into | ||
two parts; demonstration and practice. The workshop is going to be | two parts; demonstration and practice. The workshop is going to be | ||
around 3-4 hours. | around 3-4 hours. | ||
I. DEMONSTRATION (90 minutes) | |||
'''I. DEMONSTRATION (90 minutes)''' | |||
In this section, I will introduce basic specification, procedure of AVR | In this section, I will introduce basic specification, procedure of AVR | ||
programming, and various applications of the chip by showing different | programming, and various applications of the chip by showing different | ||
pre-built circuit based on the AVR chip. | pre-built circuit based on the AVR chip. | ||
1. Overall information of the chip | |||
'''1. Overall information of the chip''' | |||
* Where you can buy chip | |||
* Price / model list | |||
2. How to program AVR chip on Mac and Linux | * Basic specification of the chip | ||
'''2. How to program AVR chip on Mac and Linux''' | |||
* How to use avrgcc and avrdude | |||
* Commercial Writer AVR ISP MK II - 34$ (Fig.1) | |||
* Handmade Writer USB ASP (Fig.2) | |||
3. Applications | * Using Arduino as AVR writer (http://arduino.cc/en/Tutorial/ArduinoISP) | ||
'''3. Applications''' | |||
* How to create LED flasher | |||
* How to create MIDI message generator | |||
* How to create Potentiometer to MIDI device by using built-in ADC | |||
* How to send serial (UART) messages from the chip and receive them in Pd | |||
* How to use USB message without any other device [[http://www.obdev.at/products/vusb/index.html| V-USB project firmware based USB device using AVR]] | |||
* How to use timers | |||
* How to use PWM and create sound with it | |||
* How to establish SPI connection in order to access external memory, ADC etc. | |||
* How to create AVR programmer by yourself | |||
II. PRACTICE (90 - 120 minutes / depending on the number of participants and competence ) | * <u>All source codes and schematics will be uploaded online so that the participants are able to download and utilize them later</u> | ||
'''II. PRACTICE (90 - 120 minutes / depending on the number of participants and competence )''' | |||
In this section participants will make a basic hardware using AVR microcontroller. | In this section participants will make a basic hardware using AVR microcontroller. | ||
Possibly, 6 channel MIDI or USB-based digital controller based on gnusb by anyma http://www.anyma.ch/ | Possibly, 6 channel MIDI or USB-based digital controller based on gnusb by anyma http://www.anyma.ch/ | ||
research/gnusb/ This part is dependent of the facilities of the venue and available components in | research/gnusb/ This part is dependent of the facilities of the venue and available components in | ||
Germany. | Germany. | ||
Prerequisites | |||
'''Prerequisites''' | |||
* Basic knowledge of C language and unix commands are preferred | |||
* Basic soldering technique and knowledge of electronic circuit are preferred | |||
* The AVR programmer runs on Linux, Mac, and Win. I will use linux or Mac for the workshop. | |||
'''Bio of instructor''' | |||
Bio of instructor | |||
Chikashi Miyama is a composer, video artist, interface designer, and performer. He received his MA | Chikashi Miyama is a composer, video artist, interface designer, and performer. He received his MA | ||
(2004) from Kunitachi College of Music, Tokyo, Japan, and Nachdiplom (2007) from Music academy of | (2004) from Kunitachi College of Music, Tokyo, Japan, and Nachdiplom (2007) from Music academy of | ||
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to move to Karlsruhe and work at IMA, ZKM as a guest researcher in 2011 and 2012 taking advantage of | to move to Karlsruhe and work at IMA, ZKM as a guest researcher in 2011 and 2012 taking advantage of | ||
DAAD scholarship. | DAAD scholarship. | ||
Relevant workshops held by the instructor | |||
June 2-4 2008 | '''Relevant workshops held by the instructor''' | ||
Oct 31- Nov2 2007 | June 2-4 2008 <br /> Qgo-AVR workshop at Kunstraum Walcheturm, Zurich, Switzerland Organized by SGMK (Schweiz Gesellschaft für Mechatronische Kunst) | ||
Relevant conference peer reviewed paper | Oct 31- Nov2 2007 <br /> Sensor-Instrument DIY workshop, Zurich, Switzerland Organized by SGMK (Schweiz Gesellschaft für Mechatronische Kunst) | ||
'''Relevant conference peer reviewed paper''' | |||
Peacock : a non-haptic 3D performance interface | Peacock : a non-haptic 3D performance interface | ||
http://chikashi.net/detail/download?file=43doc.pdf | http://chikashi.net/detail/download?file=43doc.pdf | ||
This project utilizes AVR micro controller. | This project utilizes AVR micro controller. | ||