Difference: RaspiElf (14 vs. 15)

Revision 152017-12-17 - PeterSchmid

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META TOPICPARENT	name="WebHome"

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Raspberry Pi Interface to Cosmac Elf

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Raspberry Pi Interface to Cosmac Elf

elf2bin Utility

Copies the Elf (Membership Card) memory to a binary file on the Raspberry Pi.

The Raspberry Pi GPIO is used as interface to the Cosmac Elf SBC (e.g. Elf Membership Card parallel port).

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> Initialise the Elf memory with 00H

pi@cosmac:~/elf/RaspiElf/chase $ bin2elf -e 7fff </dev/zero
0x8000 bytes written

Line: 45 to 49

pi@cosmac:~/elf/RaspiElf/chase $ elf -v LED:02 Q:0 Rx:1 IN:0 WAIT:0 CLR:0 READ:0 SWITCH:80

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bin2elf Utility

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http://hex2bin.sourceforge.net/

hexdump

/dev/null

elf CLI Tool

elf [-i] [-v] [-s ] [load|run|wait|reset|write|get|put] []

LED Q IN WAIT CLEAR WRITE SWITCH

Line: 67 to 60

-i increment -v verbose

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How to get and build RaspiElf tools

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Get the source from the GIT repository (if you have not installed GIT yet, then install it with sudo apt-get install git):

pi@cosmac:~/elf $ git clone https://github.com/spyren/RaspiElf
Cloning into 'RaspiElf'...
remote: Counting objects: 68, done.
remote: Compressing objects: 100% (37/37), done.
remote: Total 68 (delta 32), reused 62 (delta 29), pack-reused 0
Unpacking objects: 100% (68/68), done.
Checking connectivity... done.
pi@cosmac:~/elf $

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wiringPi

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Build (compile) from the sources:

pi@cosmac:~/elf $ cd RaspiElf
pi@cosmac:~/elf/RaspiElf $ cd tools/
pi@cosmac:~/elf/RaspiElf/tools $ make
cc -g -c elf2bin.c
cc -g -c raspi_gpio.c
cc -g -o elf2bin -lwiringPi elf2bin.o raspi_gpio.o
cc -g -c bin2elf.c
cc -g -o bin2elf -lwiringPi bin2elf.o raspi_gpio.o
cc -g -c elf.c
cc -g -o elf -lwiringPi elf.o raspi_gpio.o
pi@cosmac:~/elf/RaspiElf/tools $

Install the binaries into /usr/local/bin

pi@cosmac:~/elf/RaspiElf/tools $ sudo make install
install -m 557 elf2bin bin2elf elf /usr/local/bin

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Wiring

Line: 118 to 148

39	GND
40	BCM 21

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Other Tools

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hex2bin

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< Intel Hex or Motorola Hex file converter.

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< http://hex2bin.sourceforge.net/

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< > tar xvjf Hex2bin-2.5.tar.bz2 > make > sudo make install

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elf CLI Tool

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