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| author | Andreas Eversberg <jolly@eversberg.eu> | 2020-01-02 09:35:26 +0100 |
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| committer | Andreas Eversberg <jolly@eversberg.eu> | 2020-01-02 09:48:12 +0100 |
| commit | c99889504040aa5129674d949e06f337b22a6d00 (patch) | |
| tree | 3c9a5254a2a02d1a17e8409a908e04e5bd685f80 /docs/datenklo.html | |
| parent | 4cd9cb787e10f75a0ce7b64270aa3c8aabb59c19 (diff) | |
Work on docs
Diffstat (limited to 'docs/datenklo.html')
| -rw-r--r-- | docs/datenklo.html | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/docs/datenklo.html b/docs/datenklo.html new file mode 100644 index 0000000..6b8d428 --- /dev/null +++ b/docs/datenklo.html @@ -0,0 +1,64 @@ +<html> +<head> +<link href="style.css" rel="stylesheet" type="text/css" /> +<title>osmocom-analog</title> +</head> +<body> +<center><table><tr><td> + +<h2><center>Das Datenklo</center></h2> + +<center><img src="datenklo.jpg"/></center> + +<ul> + <li><a href="#history">History</a> + <li><a href="#howitworks">How it works</a> + <li><a href="#terminal">Setup of a terminal</a> +</ul> + +<p class="toppic"> +<a name="history"></a> +History +</p> + +<p> +geschichte +name +was kann der chip +TBD +</p> + +<center><img src="datenklo2.jpg"/></center> + +<p class="toppic"> +<a name="howitworks"></a> +How it works +</p> + +<p> +The program 'datenklo' is an emulator for the original "CCC modem", a building instruction released by the Chaos Computer Club in 1985. +The heart of this software is the AM7911 modem chip emulation. +It modulates digital levels to FSK tones and demodulates FSK tones to digital levels. +A software UART (serial transceiver) converts characters (bytes) into levels and leves into bytes. +The modem chip emulation is linked to sound card via ALSA driver. +The UART is linked to a tty emulation. +The tty emulation uses FUSE, so that the linux kernel provides a virtual serial interface. (/dev/ttyDATENKLO0 by default) +</p> + +<p> +* TBD * +</p> + +<p class="toppic"> +<a name="terminal"></a> +Setup of a terminal +</p> + +<p> +* TBD * +</p> + +<hr><center>[<a href="index.html">Back to main page</a>]</center><hr> +</td></tr></table></center> +</body> +</html> |