trivia

old NC-maschines might use EIA or ISO 'paper-tape' encoding on serial-communication

links

conversion charts

char	EIA		ASCII		ISO			remark
	(hex)	(dec)	(hex)	(dec)	(hex)	(dec)
BS	2A	42	08	8	88	136	BACKSPACE		HT	33	51	09	9	09	9	HORIZONTAL TABULATION		LF	80	128	0A	10	0A	10	LINE FEED	EOB	CR			0D	13	8D	141	CARRIAGE RETURN			10	16	20	32	A0	160	SPACE		$			24	36	24	36	DOLLAR SIGN		%	5B	91	25	37	A5	165	PERCENT SIGN	EOR – Rewind Stop in ASCII	&	0E	14	26	38	A6	166	AMPERSAND		(	1A	26	28	40	28	40	LEFT PARENTHESIS		)	4A	74	29	41	A9	169	RIGHT PARENTHESIS		+	70	112	2B	43	2B	43	PLUS SIGN		,	3B	59	2C	44			COMMA		-	40	64	2D	45	2D	45	HYPHEN-MINUS		.	6B	107	2E	46	2E	46	FULL STOP		/	31	49	2F	47	AF	175	SOLIDUS		0	20	32	30	48	30	48	DIGIT ZERO		1	01	1	31	49	B1	177	DIGIT ONE		2	02	2	32	50	B2	178	DIGIT TWO		3	13	19	33	51	33	51	DIGIT THREE		4	04	4	34	52	B4	180	DIGIT FOUR		5	15	21	35	53	35	53	DIGIT FIVE		6	16	22	36	54	36	54	DIGIT SIX		7	07	7	37	55	B7	183	DIGIT SEVEN		8	08	8	38	56	B8	184	DIGIT EIGHT		9	19	25	39	57	39	57	DIGIT NINE		:			3A	58	3A	58	COLON		=			3D	61	BD	189	EQUALS SIGN		@			40	64	C0	192	COMMERCIAL AT		A	61	97	41	65	41	65	LATIN CAPITAL LETTER A		B	62	98	42	66	42	66	LATIN CAPITAL LETTER B		C	73	115	43	67	C3	195	LATIN CAPITAL LETTER C		D	64	100	44	68	44	68	LATIN CAPITAL LETTER D		E	75	117	45	69	C5	197	LATIN CAPITAL LETTER E		F	76	118	46	70	C6	198	LATIN CAPITAL LETTER F		G	67	103	47	71	47	71	LATIN CAPITAL LETTER G		H	68	104	48	72	48	72	LATIN CAPITAL LETTER H		I	79	121	49	73	C9	201	LATIN CAPITAL LETTER I		J	51	81	4A	74	CA	202	LATIN CAPITAL LETTER J		K	52	82	4B	75	4B	75	LATIN CAPITAL LETTER K		L	43	67	4C	76	CC	204	LATIN CAPITAL LETTER L		M	54	84	4D	77	4D	77	LATIN CAPITAL LETTER M		N	45	69	4E	78	4E	78	LATIN CAPITAL LETTER N		O	46	70	4F	79	CF	207	LATIN CAPITAL LETTER O		P	57	87	50	80	50	80	LATIN CAPITAL LETTER P		Q	58	88	51	81	D1	209	LATIN CAPITAL LETTER Q		R	49	73	52	82	D2	210	LATIN CAPITAL LETTER R		S	32	50	53	83	53	83	LATIN CAPITAL LETTER S		T	23	35	54	84	D4	212	LATIN CAPITAL LETTER T		U	34	52	55	85	55	85	LATIN CAPITAL LETTER U		V	25	37	56	86	56	86	LATIN CAPITAL LETTER V		W	26	38	57	87	D7	215	LATIN CAPITAL LETTER W		X	37	55	58	88	D8	216	LATIN CAPITAL LETTER X		Y	38	56	59	89	59	89	LATIN CAPITAL LETTER Y		Z	29	41	5A	90	5A	90	LATIN CAPITAL LETTER Z

pySerial

https://pyserial.readthedocs.io/en/latest/tools.html#module-serial.tools.miniterm

ubuntu

prerequisites

```
sudo apt-get install socat
```
```
sudo apt install python-pip
```
```
pip install pyserial
```

virtual null-modem

terminal[1]

sudo socat PTY,link=/dev/ttyS10 PTY,link=/dev/ttyS11

hack encodings

sudo cp usr/lip/python2.7/encodings/hp_roman8.py usr/lip/python2.7/encodings/iso_paper.py

edit iso_paper.py as needed ...

""" Python Character Mapping Codec 'ISO_paper tape'
    see https://bastelbude.grade.de/mediawiki/index.php?title=EIA-ASCII-ISO_encoding for details
    valid: 
    [BACKSPACE] [HORIZONTAL TABULATION] [LINE FEED] [CARRIAGE RETURN] [SPACE]
    $ % & ( ) + - . / 
    0 1 2 3 4 5 6 7 8 9 
    : = @ 
    A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
"""#"

import codecs

### Codec APIs

class Codec(codecs.Codec):

    def encode(self,input,errors='strict'):
        return codecs.charmap_encode(input,errors,encoding_map)

    def decode(self,input,errors='strict'):
        return codecs.charmap_decode(input,errors,decoding_map)

class IncrementalEncoder(codecs.IncrementalEncoder):
    def encode(self, input, final=False):
        return codecs.charmap_encode(input,self.errors,encoding_map)[0]

class IncrementalDecoder(codecs.IncrementalDecoder):
    def decode(self, input, final=False):
        return codecs.charmap_decode(input,self.errors,decoding_map)[0]

class StreamWriter(Codec,codecs.StreamWriter):
    pass

class StreamReader(Codec,codecs.StreamReader):
    pass

### encodings module API

def getregentry():
    return codecs.CodecInfo(
        name='iso-paper',
        encode=Codec().encode,
        decode=Codec().decode,
        incrementalencoder=IncrementalEncoder,
        incrementaldecoder=IncrementalDecoder,
        streamwriter=StreamWriter,
        streamreader=StreamReader,
    )

### Decoding Map

decoding_map = codecs.make_identity_dict(range(256))
decoding_map.update({
        0x0008: None, #        needs to be set for encoding_map
        0x000d: None, #        needs to be set for encoding_map
        0x0020: None, #        needs to be set for encoding_map
        0x0025: None, #        needs to be set for encoding_map
        0x0026: None, #        needs to be set for encoding_map
        0x0029: None, #        needs to be set for encoding_map
        0x002c: None, #        needs to be set for encoding_map
        0x002f: None, #        needs to be set for encoding_map
        0x0031: None, #        needs to be set for encoding_map
        0x0032: None, #        needs to be set for encoding_map
        0x0034: None, #        needs to be set for encoding_map
        0x0037: None, #        needs to be set for encoding_map
        0x0038: None, #        needs to be set for encoding_map
        0x003d: None, #        needs to be set for encoding_map
        0x0040: None, #        needs to be set for encoding_map
        0x0043: None, #        needs to be set for encoding_map
        0x0045: None, #        needs to be set for encoding_map
        0x0046: None, #        needs to be set for encoding_map
        0x0049: None, #        needs to be set for encoding_map
        0x004a: None, #        needs to be set for encoding_map
        0x004c: None, #        needs to be set for encoding_map
        0x004f: None, #        needs to be set for encoding_map
        0x0051: None, #        needs to be set for encoding_map
        0x0052: None, #        needs to be set for encoding_map
        0x0054: None, #        needs to be set for encoding_map
        0x0057: None, #        needs to be set for encoding_map
        0x0058: None, #        needs to be set for encoding_map
        0x0088: 0x0008, #        BACKSPACE
        0x0009: 0x0009, #        HORIZONTAL TABULATION
        0x000A: 0x000A, #        LINE FEED
        0x008D: 0x000D, #        CARRIAGE RETURN
        0x00A0: 0x0020, #        SPACE
        0x0024: 0x0024, #        DOLLAR SIGN
        0x00A5: 0x0025, #        PERCENT SIGN
        0x00A6: 0x0026, #        AMPERSAND
        0x0028: 0x0028, #        LEFT PARENTHESIS
        0x00A9: 0x0029, #        RIGHT PARENTHESIS
        0x002B: 0x002B, #        PLUS SIGN
        0x002D: 0x002D, #        HYPHEN-MINUS
        0x002E: 0x002E, #        FULL STOP
        0x00AF: 0x002F, #        SOLIDUS
        0x0030: 0x0030, #        DIGIT ZERO
        0x00B1: 0x0031, #        DIGIT ONE
        0x00B2: 0x0032, #        DIGIT TWO
        0x0033: 0x0033, #        DIGIT THREE
        0x00B4: 0x0034, #        DIGIT FOUR
        0x0035: 0x0035, #        DIGIT FIVE
        0x0036: 0x0036, #        DIGIT SIX
        0x00B7: 0x0037, #        DIGIT SEVEN
        0x00B8: 0x0038, #        DIGIT EIGHT
        0x0039: 0x0039, #        DIGIT NINE
        0x003A: 0x003A, #        COLON
        0x00BD: 0x003D, #        EQUALS SIGN
        0x00C0: 0x0040, #        COMMERCIAL AT
        0x0041: 0x0041, #        LATIN CAPITAL LETTER A
        0x0042: 0x0042, #        LATIN CAPITAL LETTER B
        0x00C3: 0x0043, #        LATIN CAPITAL LETTER C
        0x0044: 0x0044, #        LATIN CAPITAL LETTER D
        0x00C5: 0x0045, #        LATIN CAPITAL LETTER E
        0x00C6: 0x0046, #        LATIN CAPITAL LETTER F
        0x0047: 0x0047, #        LATIN CAPITAL LETTER G
        0x0048: 0x0048, #        LATIN CAPITAL LETTER H
        0x00C9: 0x0049, #        LATIN CAPITAL LETTER I
        0x00CA: 0x004A, #        LATIN CAPITAL LETTER J
        0x004B: 0x004B, #        LATIN CAPITAL LETTER K
        0x00CC: 0x004C, #        LATIN CAPITAL LETTER L
        0x004D: 0x004D, #        LATIN CAPITAL LETTER M
        0x004E: 0x004E, #        LATIN CAPITAL LETTER N
        0x00CF: 0x004F, #        LATIN CAPITAL LETTER O
        0x0050: 0x0050, #        LATIN CAPITAL LETTER P
        0x00D1: 0x0051, #        LATIN CAPITAL LETTER Q
        0x00D2: 0x0052, #        LATIN CAPITAL LETTER R
        0x0053: 0x0053, #        LATIN CAPITAL LETTER S
        0x00D4: 0x0054, #        LATIN CAPITAL LETTER T
        0x0055: 0x0055, #        LATIN CAPITAL LETTER U
        0x0056: 0x0056, #        LATIN CAPITAL LETTER V
        0x00D7: 0x0057, #        LATIN CAPITAL LETTER W
        0x00D8: 0x0058, #        LATIN CAPITAL LETTER X
        0x0059: 0x0059, #        LATIN CAPITAL LETTER Y
        0x005A: 0x005A, #        LATIN CAPITAL LETTER Z
})

### Encoding Map

encoding_map = codecs.make_encoding_map(decoding_map)

run miniterm

terminal[2]

sudo python -m serial.tools.miniterm --echo --encoding hexlify

terminal[3]

sudo python -m serial.tools.miniterm --encoding iso-paper

windows

prerequisites

...

virtual null-modem

e.g. https://www.virtual-serial-port.org/de/articles/top-6-virtual-com-port-apps/#2
- install, set up and run in demo-mode

reference

https://i-logic.com/dncserver/
- install, set up and run in demo-mode

hack encodings

...

run miniterm

...

EIA-ASCII-ISO encoding

Contents

trivia

links

conversion charts

pySerial

ubuntu

prerequisites

virtual null-modem

hack encodings

run miniterm

windows

prerequisites

virtual null-modem

reference

hack encodings

run miniterm

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