Difference: RaspiElf (4 vs. 5)

Revision 52017-11-30 - PeterSchmid

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META TOPICPARENT	name="WebHome"

Raspberry Pi Interface to Cosmac Elf

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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).

cc -o elf2bin -lwiringPi elf2bin.c

./elf2bin -s 0 -e ff | hexdump -C
00000000  ff ff ff ff ff ff ff ff  ff ff ff ff ff ff ff ff  |................|
*
00000100

bin2elf Utility

https://pinout.xyz/#

http://hex2bin.sourceforge.net/

Line: 17 to 38

http://raspberrypiguide.de/howtos/raspberry-pi-gpio-how-to/

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Pi Pin#	Pi Function	Elf Pin	Elf Function
1	3.3 V	18	VIN
2	5 V	(18)	(VIN)
3	BCM 2, SDA
4	5 V
5	BCM 3, SCL
6	GND	19	GND
7	BCM 4	1	IN-
8	BCM 14, TXD	20	UART Rx
9	GND	21	GND
10	BCM 15, RXD	15	UART Tx (*)
11	BCM 17	14	WAIT-
12	BCM 18	16	CLR-
13	BCM 27	17	WE-
14	GND
15	BCM 22	2	IN0
16	BCM 23	3	IN1
17	3.3 V
18	BCM 24	4	IN2
19	BCM 10, MOSI	5	IN3
20	GND
21	BCM 9, MISO	6	IN4
22	BCM 25	7	IN5
23	BCM 11,SCLK	8	IN6
24	BCM 8, CE0	9	IN7
25	GND
26	BCM 7, CE1	25	O0 (*)
27	BCM 0
28	BCM 1
29	BCM 5	24	O1 (*)
30	GND
31	BCM 6	23	O2 (*)
32	BCM 12	22	O3 (*)
33	BCM 13	13	O4 (*)
34	GND
35	BCM 18	12	O5 (*)
36	BCM 16	11	O6 (*)
37	BCM 26	10	O7 (*)
38	BCM 20
39	GND
40	BCM 21

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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-
8	BCM 14, TXD	20	4	RXD, RX
9	GND	21	6	GND, /ON
10	BCM 15, RXD	15	5	TXD, TX
11	BCM 17	14	WAIT-
12	BCM 18	16	CLR-
13	BCM 27	17	WE-
14	GND
15	BCM 22	2	IN0
16	BCM 23	3	IN1
17	3.3 V
18	BCM 24	4	IN2
19	BCM 10, MOSI	5	IN3
20	GND
21	BCM 9, MISO	6	IN4
22	BCM 25	7	IN5
23	BCM 11,SCLK	8	IN6
24	BCM 8, CE0	9	IN7
25	GND
26	BCM 7, CE1	25	O0 (*)
27	BCM 0
28	BCM 1
29	BCM 5	24	O1 (*)
30	GND
31	BCM 6	23	O2 (*)
32	BCM 12	22	O3 (*)
33	BCM 13	13	O4 (*)
34	GND
35	BCM 18	12	O5 (*)
36	BCM 16	11	O6 (*)
37	BCM 26	10	O7 (*)
38	BCM 20
39	GND
40	BCM 21

-- Peter Schmid - 2017-11-26

Line: 69 to 90

META FILEATTACHMENT	attachment="gpio-numbers-pi2.png" attr="" comment="" date="1511721965" name="gpio-numbers-pi2.png" path="gpio-numbers-pi2.png" size="54469" user="PeterSchmid" version="1"

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META TOPICMOVED	by="PeterSchmid" date="1512077728" from="Cosmac.RaspberryElf" to="Cosmac.RaspiElf"

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