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Learning About AVR : How to setup AVR development environment on Ubuntu Linux.

Date : Tue,21 July 2011
Writer : Ataya P
AVR ATMEGA168P
Working Platform :
Lenovo Notebook , Intel Pentium Dual Core T2080 1.73GHz
2Gbyte RAM
Ubuntu  10.04 LTS- the Lucid Lynx

Hardware :
ATMega168P development kit from Akitsuki shop at Akihabara 
(ＡＴｍｅｇａ１６８３２８マイコンボーキット)
http://akizukidenshi.com/catalog/g/gK-04590/

You may also require AVR-USBasp as a hardware programmer
http://www.aitendo.co.jp/product/2312

   From my own experience, AVR microcontroller is the most easiest to start and development ever.
Most of mcu I tried are still hanging with Windows platform but AVR is different.
Now I will show you how to settup development environment on Ubuntu Linux.

Let's do it

1. Install AVR build tools (binary utilities, compiler, library and chip writer)
#apt-get install binutils-avr gcc-avr avr-libc avrdude

2. Download and install eclipse and cdt plug-in

3. Install avr-eclipse, Just like they said at ...
http://avr-eclipse.sourceforge.net/wiki/index.php/Plugin_Download

install eclipse AVR plug-in

4. Making new AVR project. At project properties, setting Post-build Command for making .hex file(where test-avr is your project name)
    avr-objcopy -j .text -O ihex test-avr.elf test-avr.hex

Post-build command

5. At Target Hardware, select your target chip. In my case it is ATmega168p with 16 MHz clock
chip and clock

6. Eclipse plug-in seems to use AVR dude as a default hardware programer. At AVRdude -> Programmer Configuration, click Edit button.
edit AVRdude

Then select USBasp as your hardware programmer...
AVR USBasp as programmer

7. Unfortunately,  my chip (ATmega168p) is not support by AVRdude for now ... So, I have to modify an AVRdude's configuration to support my chip.

Just like they said here ...
http://forums.adafruit.com/viewtopic.php?f=24&t=14176
http://kanta.but.jp/wordpress/?p=494

All I did just add config of ATmega168p at the end of  /etc/avrdude.conf file
part
    id              = "m168p";
    desc            = "ATMEGA168P";
     has_debugwire = yes;
     flash_instr   = 0xB6, 0x01, 0x11;
     eeprom_instr  = 0xBD, 0xF2, 0xBD, 0xE1, 0xBB, 0xCF, 0xB4, 0x00,
     ;     ;     ; 0xBE, 0x01, 0xB6, 0x01, 0xBC, 0x00, 0xBB, 0xBF,
     ;     ;     ; 0x99, 0xF9, 0xBB, 0xAF;
    stk500_devcode  = 0x86;
    # avr910_devcode = 0x;
    signature       = 0x1e 0x94 0x0b;
    pagel ;     ;     = 0xd7;
    bs2             = 0xc2;
    chip_erase_delay = 9000;
    pgm_enable       = "1 0 1 0 1 1 0 0 0 1 0 1 0 0 1 1",
     ;     ;     ;     ;   "x x x x x x x x x x x x x x x x";

    chip_erase       = "1 0 1 0 1 1 0 0 1 0 0 x x x x x",
     ;     ;     ;     ;   "x x x x x x x x x x x x x x x x";

    timeout         = 200;
    stabdelay       = 100;
    cmdexedelay     = 25;
    synchloops      = 32;
    bytedelay       = 0;
    pollindex       = 3;
    pollvalue       = 0x53;
    predelay        = 1;
    postdelay       = 1;
    pollmethod      = 1;

    pp_controlstack     =
   0x0E, 0x1E, 0x0F, 0x1F, 0x2E, 0x3E, 0x2F, 0x3F,
   0x4E, 0x5E, 0x4F, 0x5F, 0x6E, 0x7E, 0x6F, 0x7F,
   0x66, 0x76, 0x67, 0x77, 0x6A, 0x7A, 0x6B, 0x7B,
   0xBE, 0xFD, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00;
    hventerstabdelay    = 100;
    progmodedelay   ;    = 0;
    latchcycles     ;    = 5;
    togglevtg           = 1;
    poweroffdelay   ;    = 15;
    resetdelayms        = 1;
    resetdelayus        = 0;
    hvleavestabdelay    = 15;
    resetdelay          = 15;
    chiperasepulsewidth = 0;
    chiperasepolltimeout = 10;
    programfusepulsewidth = 0;
    programfusepolltimeout = 5;
    programlockpulsewidth = 0;
    programlockpolltimeout = 5;

    memory "eeprom"
     ;   paged  ;     ;    = no;
     ;   page_size       = 4;
     ;   size            = 512;
     ;   min_write_delay = 3600;
     ;   max_write_delay = 3600;
     ;   readback_p1 ;    = 0xff;
     ;   readback_p2 ;    = 0xff;
     ;   read            = " 1 0 1 0 0 0 0 0",
     ;     ;     ;     ;     ; " 0 0 0 x x x x a8",
     ;     ;     ;     ;     ; " a7 a6 a5 a4 a3 a2 a1 a0",
     ;     ;     ;     ;     ; " o o o o o o o o";
   
     ;   write  ;     ;    = " 1 1 0 0 0 0 0 0",
     ;     ;     ;     ;     ; " 0 0 0 x x x x a8",
     ;     ;     ;     ;     ; " a7 a6 a5 a4 a3 a2 a1 a0",
     ;     ;     ;     ;     ; " i i i i i i i i";

   loadpage_lo   = "  1   1   0   0     ; 0   0   0   1",
     ;     ; "  0   0   0   0      0   0   0   0",
     ;     ; "  0   0   0   0      0   0  a1  a0",
     ;     ; "  i   i   i   i      i   i   i   i";

   writepage   = "  1   1   0   0     ; 0   0   1   0",
     ;     ; "  0   0   x   x      x   x   x  a8",
     ;     ; " a7  a6  a5  a4     a3  a2   0   0",
     ;     ; "  x   x   x   x      x   x   x   x";

   mode      = 0x41;
   delay      = 5;
   blocksize   = 4;
   readsize   = 256;
     ;   ;

    memory "flash"
     ;   paged  ;     ;    = yes;
     ;   size            = 16384;
     ;   page_size       = 128;
     ;   num_pages       = 128;
     ;   min_write_delay = 4500;
     ;   max_write_delay = 4500;
     ;   readback_p1 ;    = 0xff;
     ;   readback_p2 ;    = 0xff;
     ;   read_lo         = " 0 0 1 0 0 0 0 0",
     ;     ;     ;     ;     ; " 0 0 0 a12 a11 a10 a9 a8",
     ;     ;     ;     ;     ; " a7 a6 a5 a4 a3 a2 a1 a0",
     ;     ;     ;     ;     ; " o o o o o o o o";
     ;  
     ;   read_hi          = " 0 0 1 0 1 0 0 0",
     ;     ;     ;     ;     ;  " 0 0 0 a12 a11 a10 a9 a8",
     ;     ;     ;     ;     ;  " a7 a6 a5 a4 a3 a2 a1 a0",
     ;     ;     ;     ;     ;  " o o o o o o o o";
     ;  
     ;   loadpage_lo ;    = " 0 1 0 0 0 0 0 0",
     ;     ;     ;     ;     ; " 0 0 0 x x x x x",
     ;     ;     ;     ;     ; " x x a5 a4 a3 a2 a1 a0",
     ;     ;     ;     ;     ; " i i i i i i i i";
     ;  
     ;   loadpage_hi ;    = " 0 1 0 0 1 0 0 0",
     ;     ;     ;     ;     ; " 0 0 0 x x x x x",
     ;     ;     ;     ;     ; " x x a5 a4 a3 a2 a1 a0",
     ;     ;     ;     ;     ; " i i i i i i i i";
     ;  
     ;   writepage       = " 0 1 0 0 1 1 0 0",
     ;     ;     ;     ;     ; " 0 0 0 a12 a11 a10 a9 a8",
     ;     ;     ;     ;     ; " a7 a6 x x x x x x",
     ;     ;     ;     ;     ; " x x x x x x x x";

     ;   mode        = 0x41;
     ;   delay  ;     = 6;
     ;   blocksize   = 128;
     ;   readsize    = 256;

     ;   ;
     ;  
    memory "lfuse"
     ;   size            = 1;
     ;   min_write_delay = 4500;
     ;   max_write_delay = 4500;
     ;   read            = "0 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0",
     ;     ;     ;     ;     ; "x x x x x x x x o o o o o o o o";
     ;  
     ;   write  ;     ;    = "1 0 1 0 1 1 0 0 1 0 1 0 0 0 0 0",
     ;     ;     ;     ;     ; "x x x x x x x x i i i i i i i i";
     ;   ;
   
    memory "hfuse"
     ;   size            = 1;
     ;   min_write_delay = 4500;
     ;   max_write_delay = 4500;
     ;   read            = "0 1 0 1 1 0 0 0 0 0 0 0 1 0 0 0",
     ;     ;     ;     ;     ; "x x x x x x x x o o o o o o o o";
     ;  
     ;   write  ;     ;    = "1 0 1 0 1 1 0 0 1 0 1 0 1 0 0 0",
     ;     ;     ;     ;     ; "x x x x x x x x i i i i i i i i";
     ;   ;
   
    memory "efuse"
     ;   size            = 1;
     ;   min_write_delay = 4500;
     ;   max_write_delay = 4500;
     ;   read            = "0 1 0 1 0 0 0 0 0 0 0 0 1 0 0 0",
     ;     ;     ;     ;     ; "x x x x x x x x x x x x x o o o";
     ;  
     ;   write  ;     ;    = "1 0 1 0 1 1 0 0 1 0 1 0 0 1 0 0",
     ;     ;     ;     ;     ; "x x x x x x x x x x x x x i i i";
     ;   ;
   
    memory "lock"
     ;   size            = 1;
     ;   min_write_delay = 4500;
     ;   max_write_delay = 4500;
     ;   read            = "0 1 0 1 1 0 0 0 0 0 0 0 0 0 0 0",
     ;     ;     ;     ;     ; "x x x x x x x x x x o o o o o o";
     ;  
     ;   write  ;     ;    = "1 0 1 0 1 1 0 0 1 1 1 x x x x x",
     ;     ;     ;     ;     ; "x x x x x x x x 1 1 i i i i i i";
     ;   ;
   
    memory "calibration"
     ;   size            = 1;
     ;   read            = "0 0 1 1 1 0 0 0 0 0 0 x x x x x",
     ;     ;     ;     ;     ; "0 0 0 0 0 0 0 0 o o o o o o o o";
     ;   ;
   
    memory "signature"
     ;   size            = 3;
     ;   read            = "0 0 1 1 0 0 0 0 0 0 0 x x x x x",
     ;     ;     ;     ;     ; "x x x x x x a1 a0 o o o o o o o o";
     ;   ;
;

6. Connect your board with AVR USBasp, Writing code, Building .hex and download to the board. It's should work.
It's work !!





Useful Link :
AVR microcontroller ->
http://www.atmel.com/products/avr/default.asp?category_id=163&family_id=607&source=redirect
AVRdude project ->
http://savannah.nongnu.org/projects/avrdude

GO GO GO AVR !!!

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