sudo apt-get install git
), type only the bold text after the $ sign:
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 $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
pi@cosmac:~/elf/RaspiElf/chase $ bin2elf -e 7fff </dev/zero 0x8000 bytes writtenUpload and run the chase lighting program (details see ChaseLighting):
pi@cosmac:~/elf/RaspiElf/chase $ bin2elf -w -r chase.bin 0x002d bytes writtenStop the program an go into the load state:
pi@cosmac:~/elf/RaspiElf/chase $ elf load 01 1 0 0 1 1 0 0cHexdump the Elf memory until address 0x3f (hexdump is standard UNIX tool and is included in Raspbian and other GNU/Linux'):
pi@cosmac:~/elf/RaspiElf/chase $ elf2bin -e 3f | hexdump -C 0x0040 bytes read 00000000 c0 00 03 e3 90 b3 f8 30 a3 f8 01 53 64 6c 23 fa |.......0...Sdl#.| 00000010 fe 3a 1a f0 f6 c7 f8 80 30 1f f0 fe c7 f8 01 53 |.:......0......S| 00000020 f8 14 b2 22 92 3a 23 c5 7a 38 7b 30 0c 00 00 00 |...".:#.z8{0....| 00000030 04 ff 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................| 00000040Get the mode and the data (LEDs and swiches)
pi@cosmac:~/elf/RaspiElf/chase $ elf 02 1 1 0 1 1 1 ff pi@cosmac:~/elf/RaspiElf/chase $ elf -v LED:01 Q:1 Rx:1 IN:0 WAIT:1 CLR:1 READ:0 SWITCH:0cWrite enable (not READ)
pi@cosmac:~/elf/RaspiElf/chase $ elf -n read 02 1 1 0 1 1 0 ffRun mode (starts the chase lighting again)
pi@cosmac:~/elf/RaspiElf/chase $ elf runPut 0000'0000B to the switches (chase LEDs from right to left)
pi@cosmac:~/elf/RaspiElf/chase $ elf put 0 40 1 1 0 0 0 0 00Put 1000'0000B to the switches (chase LEDs from left to right)
pi@cosmac:~/elf/RaspiElf/chase $ elf put 80 10 1 1 0 0 0 0 80Get the mode and data while the program is running (LEDs and Q are changing)
pi@cosmac:~/elf/RaspiElf/chase $ elf -v LED:40 Q:1 Rx:1 IN:0 WAIT:0 CLR:0 READ:0 SWITCH:80 pi@cosmac:~/elf/RaspiElf/chase $ elf -v LED:02 Q:0 Rx:1 IN:0 WAIT:0 CLR:0 READ:0 SWITCH:80
Description | Mouser Part# |
---|---|
Flat Cable 40 conductors | 517-3365/40FT |
D-Sub 25P male | 523-L717SDBH25P |
Header Connector 40 pol | 571-4-215911-0 |
9 x 1N4148 | 512-1N4148 |
Pi Pin# | Pi Function | Elf Pin DSUB J2 | POWER P4 | Elf Function |
---|---|---|---|---|
1 | 3.3 V | (18) | (3) | (VIN, +) |
2 | 5 V | (18) | 3 | VIN, + |
3 | BCM 2, SDA | |||
4 | 5 V | |||
5 | BCM 3, SCL | |||
6 | GND | (19) | 1 | GND, - |
7 | BCM 4 | 1, in | IN- (EF4) | |
8 | BCM 14, TXD | (20) | 4, in | RXD, RX (EF3) |
9 | GND | 6 | GND, /ON | |
10 | BCM 15, RXD | (15) | 5, out, Cathode | TXD, TX (Q) |
11 | BCM 17 | 14, in | WAIT- | |
12 | BCM 18 | 16, in | CLR- | |
13 | BCM 27 | 17, in | WE- | |
14 | GND | |||
15 | BCM 22 | 2, in | IN0 | |
16 | BCM 23 | 3, in | IN1 | |
17 | 3.3 V | |||
18 | BCM 24 | 4, in | IN2 | |
19 | BCM 10, MOSI | 5, in | IN3 | |
20 | GND | |||
21 | BCM 9, MISO | 6, in | IN4 | |
22 | BCM 25 | 7, in | IN5 | |
23 | BCM 11,SCLK | 8, in | IN6 | |
24 | BCM 8, CE0 | 9, in | IN7 | |
25 | GND | |||
26 | BCM 7, CE1 | 25, out, Cathode | O0 (*) | |
27 | BCM 0 | |||
28 | BCM 1 | |||
29 | BCM 5 | 24, out, Cathode | O1 (*) | |
30 | GND | |||
31 | BCM 6 | 23, out, Cathode | O2 (*) | |
32 | BCM 12 | 22, out, Cathode | O3 (*) | |
33 | BCM 13 | 13, out, Cathode | O4 (*) | |
34 | GND | |||
35 | BCM 19 | 12, out, Cathode | O5 (*) | |
36 | BCM 16 | 10, out, Cathode | O6 (*) | |
37 | BCM 26 | 11, out, Cathode | O7 (*) | |
38 | BCM 20 | |||
39 | GND | |||
40 | BCM 21 |
I | Attachment | History | Action | Size | Date | Who | Comment |
---|---|---|---|---|---|---|---|
jpg | raspi-elfmemcard-s.jpg | r2 r1 | manage | 55.2 K | 2017-12-18 - 17:49 | PeterSchmid | |
png | gpio-numbers-pi2.png | r1 | manage | 53.2 K | 2017-11-26 - 18:46 | PeterSchmid | |
jpg | harness.jpg | r1 | manage | 276.2 K | 2017-12-18 - 17:46 | PeterSchmid | |
jpg | raspi-elfmemcard.jpg | r1 | manage | 396.7 K | 2017-12-18 - 18:00 | PeterSchmid |