: Difference between revisions

Þetta er íslensk útgáfa á CBA Hello World síðunni fyrir Fab Lab smiðjurnar.

• Inventory

CAD/CAM

• cad.py - cad.py forritið sjálft.
• cad.cfg - stillingaskrá fyrir cad.py
• cad shell script - skeljarskrifta fyrir cad.py

Sýnidæmi

• light.png
• alien.cad - geimveruhaus
• gik.cad - samansmellanlegir kubbar
• function.cad - stærðfræðiföll
• mold.cad - afsteypumót
• mold.png - mynd af mótinu
• pcb.cad - grunnskrá fyrir rafrásasmíði
• MTA.cad - grunnskrá fyrir MTA tengi
• stl2png.py - breyta STL skrá í PNG mynd (ofanvarp)

2D vector teikning

• inkscape
• oodraw
• QCad

2D raster teikning

• GIMP
• Tux Paint

3D

• Blender
  • cad.blend - grunnskrá fyrir Blender sem býr til cad.py-vænar DXF skrár
• K-3D
• SketchUp

Forritun

• Python

Nytsamlegir Python pakkar

• pySerial
• Tkinter
• Numpy
• Matplotlib
• PIL

• PyOpenGL
• Pygame

Útgáfustýring / dreifð þróunarvinna

• git
  • msysgit - Git fyrir Windows
  • gitk - Grafískt notandaviðmót fyrir Git
  • git-gui - Annað grafískt notandaviðmót fyrir Git
• [dist/siteserver.py siteserver] - Python skrifta fyrir vefþjóna sem gerir möppu að Git safni

Rafrásir / PCB

• Eagle
• library
• gerb274x_mill

Hermun rafrása

* Ngspice

Örstýringar

* Atmel AVR data sheets

Fræsivél / Modela

• Modela
  • stty 9600 raw -echo crtscts </dev/ttyS0
• move x y
  • cat out.rml > /dev/ttyS0

Vínilskeri

• CAMM-1
  • cat out.camm > /dev/parport0

Laserskeri

• Epilog
  • cat out.epi > /dev/parport0

AVR forritun

• gavrasm assembler
  • Notkun: gavrasm hello.asm

• gcc avr-libc compiler
• AVR Studio

• rx.py host serial receive, DTR power
  • Notkun: python rx.py port speed
• term.py host serial transmit/receive, DTR power
  • Notkun: python term.py port speed

• avrdude in-circuit programmer

  tiny45 load hex file, bsd cable: avrdude -p t45 -c bsd -U flash:w:file.hex
  tiny45 load hex file, dasa cable: avrdude -p t45 -P /dev/ttyUSB0 -c dasa -U flash:w:file.hex
  tiny44 load hex file: avrdude -p t44 -c bsd -U flash:w:file.hex
  tiny44 use 20 MHz xtal: avrdude -p t44 -c bsd -U lfuse:w:0x7E:m
  mega88 load hex file: avrdude -p m88 -c bsd -U flash:w:file.hex
  mega88 use 20 MHz xtal: avrdude -p m88 -c bsd -U lfuse:w:0x76:m
  mega644 load hex file: avrdude -p m644 -c bsd -U flash:w:file.hex
  mega644 use 20 MHz xtal: avrdude -p m644 -c bsd -U lfuse:w:0x76:m

Til að forritun virki gæti verið nauðsynlegt að keyra: (Sjá Linux skipanalínan)

 su
 modprobe parport
 modprobe ppdev
 chmod 777 /dev/parport0

ATtiny45 programming cable:

          7 - reset - 1 8 -
                    - 2 7 - SCK - 8
                    - 3 6 - MISO - 10
           18 - GND - 4 5 - MOSI - 9

                4   1  7  5   6          clip
  1  2  3  4  5  6  7  8  9  10 11 12 13 DB25
   14 15 16 17 18 19 20 21 22 23 24 25   DB25

in-circuit programming AMP MTA plug <- DB25M parallel (bsd) cable (wire side view):

        9        18        10
  | MOSI (3)  GND (2)  MISO (1) |
     -RESET (4)  SCK (5)
           7        8
                 | cable direction
                 v

  plug               1   3   5   4     2
  DB25  13  12  11  10   9   8   7   6   5   4   3   2   1
  DB25    25  24  23  22  21  20  19  18  17  16  15  14

in-circuit programming AMP MTA plug <- DB9F serial (dasa) cable (wire side view):

                 ^
                 | cable direction
        3        5         8
  | MOSI (3)  GND (2)  MISO (1) |
     -RESET (4)  SCK (5)
           7        4

  plug         4 3 1 5   2        
        DCD  Rx  Tx DTR GND
          DSR RTS CTS  RI
  DB9    1   2   3   4   5
  DB9      6   7   8   9

  serial programming voltage limiter: <A href=dist/dasa.cad dasa.cad]

serial AMP MTA plug <- DB9F cable (wire side view):

     Tx GND
  |  2   1 |
   3   4
   Rx DTR
      | cable direction
      v

  plug      3   2   4   1
       DCD  Rx  Tx DTR GND
         DSR RTS CTS  RI
  DB9   1   2   3   4   5
  DB9     6   7   8   9

Molex serial PCB connector:

  1   2   3   4
  Rx  Tx  DTR Gnd

Molex serial cable:

  4   3   2   1
  Gnd DTR Tx  Rx DCD
   RI  CTS RTS DSR
  5   4   3   2  1
   9   8   7   6

  PIN   PURPOSE              SIGNAL NAME  HEADER
  Pin 1 Data Carrier Detect  DCD
  Pin 2 Received Data        RxData       1
  Pin 3 Transmitted Data     TxData       2
  Pin 4 Data Terminal Ready  DTR          3
  Pin 5 Signal Ground        Gnd          4
  Pin 6 Data Set Ready       DSR
  Pin 7 Request To Send      RTS
  Pin 8 Clear To Send        CTS
  Pin 9 Ring Indicator%09      RI

Hello-world rafrásir

serial output

• hello.serial.45.cad
• hello.serial.45.asm
• hello.serial.45.hex
• hello.serial.45.c
• makefile

serial echo

• hello.echo.45.cad
• hello.echo.45.asm
• hello.echo.45.c
• makefile

• hello.echo.44.cad
• hello.echo.44.asm

Takki

• hello.button.45.cad
• hello.button.45.asm

Ljósnemi

• hello.light.45.cad
• hello.light.45.asm

• hello.light.45.py

Hitanemi

• hello.temp.45.cad
• hello.temp.45.asm
• hello.temp.45.py

Skrefasvörun (viðnám, þéttni, span, staðsetning, fjarlægð, halli)

• hello.step.45.cad
• hello.step.45.asm

• hello.step.45.py

Hljóðnemi

• hello.mic.45.cad
• hello.mic.45.asm
• hello.mic.45.py
• hello.mic.44.cad

RGB LED

• hello.RGB.45.cad

• hello.RGB.45.asm

LED array

• hello.array.44.cad
• hello.array.44.asm
• hello.array.44.2.cad (2 layer)

LCD skjár

• hello.LCD.44.cad
• hello.LCD.44.asm

Vídeóstýring

• hello.video.44.cad
• hello.video.44.asm

Hátalari

• hello.speaker.45.cad
• hello.speaker.45.pwm.asm
• hello.speaker.45.wave.asm

DC mótor

• hello.H-bridge.44.cad
• hello.H-bridge.44.asm

skrefamótor

• hello.stepper.44.cad
• hello.stepper.44.full.asm
• hello.stepper.44.wave.asm
• hello.stepper.44.half.asm

Gömul hello-world verkefni

= serial output, programming clip (hello)

• schematic: hello.sch
• PCB: hello.brd
• Gerber: hello.cmp / hello.vinyl.cmp
• assembly code: hello.asm
• hex file: hello.hex

serial output, programming header (hello0)

serial I/O, programming clip (hello1)

• schematic
• PCB
• Gerber
• serial output

• serial echo

output: LED (hello2)

• schematic
• PCB
• serial output
• blink LED with serial output

input: step-response (hello3)

• schematic
• PCB
• serial output
• measure and send step-response curve
• receive and plot step-response curve

Efe: button+LED

• schematic

• PCB
• serial output
• blink the LED
• measure charging
• plot charging

A/D: light/sound/temperature (hello4)

• schematic

• PCB
• serial output
• measure A/D
• measure temperature
• plot readings

D/A: speaker (hello5)

• schematic

• PCB
• PWM
• wavetable synthesis

display: LCD (hello7)

• schematic
• PCB

  display hello world: master slave processor

video: RS170 (hello8)

• schematic

• PCB
• display hello world
• RS170

motion: stepper (hello9)

• schematic
• PCB
• Gerber

• stepper

multiplexing: LED array (hello10)

• schematic
• PCB
• multiplexing