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diff --git a/zarb-ml/mageia-discuss/2012-July/008271.html b/zarb-ml/mageia-discuss/2012-July/008271.html new file mode 100644 index 000000000..d2c4a41ce --- /dev/null +++ b/zarb-ml/mageia-discuss/2012-July/008271.html @@ -0,0 +1,108 @@ +<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2//EN"> +<HTML> + <HEAD> + <TITLE> [Mageia-discuss] One-Wire Home Temperature Network with Linux + </TITLE> + <LINK REL="Index" HREF="index.html" > + <LINK REL="made" HREF="mailto:mageia-discuss%40mageia.org?Subject=Re%3A%20%5BMageia-discuss%5D%20One-Wire%20Home%20Temperature%20Network%20with%20Linux&In-Reply-To=%3C5002D1D2.30208%40unige.ch%3E"> + <META NAME="robots" CONTENT="index,nofollow"> + <META http-equiv="Content-Type" content="text/html; charset=us-ascii"> + <LINK REL="Previous" HREF="008270.html"> + <LINK REL="Next" HREF="008272.html"> + </HEAD> + <BODY BGCOLOR="#ffffff"> + <H1>[Mageia-discuss] One-Wire Home Temperature Network with Linux</H1> + <B>Juergen Harms</B> + <A HREF="mailto:mageia-discuss%40mageia.org?Subject=Re%3A%20%5BMageia-discuss%5D%20One-Wire%20Home%20Temperature%20Network%20with%20Linux&In-Reply-To=%3C5002D1D2.30208%40unige.ch%3E" + TITLE="[Mageia-discuss] One-Wire Home Temperature Network with Linux">Juergen.Harms at unige.ch + </A><BR> + <I>Sun Jul 15 16:21:06 CEST 2012</I> + <P><UL> + <LI>Previous message: <A HREF="008270.html">[Mageia-discuss] One-Wire Home Temperature Network with Linux +</A></li> + <LI>Next message: <A HREF="008272.html">[Mageia-discuss] One-Wire Home Temperature Network with Linux +</A></li> + <LI> <B>Messages sorted by:</B> + <a href="date.html#8271">[ date ]</a> + <a href="thread.html#8271">[ thread ]</a> + <a href="subject.html#8271">[ subject ]</a> + <a href="author.html#8271">[ author ]</a> + </LI> + </UL> + <HR> +<!--beginarticle--> +<PRE>On 07/15/2012 03:13 PM, Doug Lytle wrote: +><i> I've just started to play with a 1 wire temperature sensor, under Mageia +</I>><i> 1. I've been following a couple of blog on how to get things setup (1 & 2). +</I>><i> +</I>><i> I've installed the digitemp software (2) via urpmi and can actually see +</I>><i> the USB dongle (DS9490R) and my temp sensor (DS18B20). +</I>><i> +</I>><i> The problem being that when running the command digitemp_DS2490 -a -i +</I>><i> -q, it is supposed to write out it's configure file (.digitemprc) to the +</I>><i> profile directory, which for me running the command as root, should be +</I>><i> /root/.digitemprc, but it doesn't. +</I>><i> +</I>><i> Has anybody played around with temperature sensors under Mageia? If so, +</I>><i> were you able to get it to write out the file? +</I>><i> +</I>><i> Doug +</I>><i> +</I>><i> (1) +</I>><i> <A HREF="http://bitsup.blogspot.com/2008/11/one-wire-home-temperature-network-with.html">http://bitsup.blogspot.com/2008/11/one-wire-home-temperature-network-with.html</A> +</I>><i> +</I>><i> (2) <A HREF="http://www.nslu2-linux.org/wiki/HowTo/AddUSBOneWireAdapter">http://www.nslu2-linux.org/wiki/HowTo/AddUSBOneWireAdapter</A> +</I>><i> (3) <A HREF="http://digitemp.com">http://digitemp.com</A> +</I>><i> +</I> +I have DS18B20 sensors running, but not on Mageia - my sensors are +connected to an AVR microprocessors (which is controlled by a C +programme, downloaded from my Mageia PC). + +I have doubts whether it is possible to reliably operate 1-wire devices +directly connected to a PC that is simultaneously used to do "ordinary +stuff": the 1-wire protocol has quite strict bit-timing requirements +(the pin on the I/O port on your PC which drives the 1-wire bus must +create pulses with well-defined lengths and intervals), not evident to +implement on a time-shared PC - could also have negative impact on non +real-time applications that run on the PC. You might need to more or +less dedicate your PC to run your 1-wire application. + +In case you cannot make it work directly on Mageia, the microprocessor +approach is certainly a valid (even better?) alternative since the +microprocessor can print the result to a serial port and hence to a PC. + +In case this approach is of interest to you, we should discuss this by +PM (no problem to let you have my hard- and software) + +Juergen +</PRE> + + + + + + + + + +<!--endarticle--> + <HR> + <P><UL> + <!--threads--> + <LI>Previous message: <A HREF="008270.html">[Mageia-discuss] One-Wire Home Temperature Network with Linux +</A></li> + <LI>Next message: <A HREF="008272.html">[Mageia-discuss] One-Wire Home Temperature Network with Linux +</A></li> + <LI> <B>Messages sorted by:</B> + <a href="date.html#8271">[ date ]</a> + <a href="thread.html#8271">[ thread ]</a> + <a href="subject.html#8271">[ subject ]</a> + <a href="author.html#8271">[ author ]</a> + </LI> + </UL> + +<hr> +<a href="https://www.mageia.org/mailman/listinfo/mageia-discuss">More information about the Mageia-discuss +mailing list</a><br> +</body></html> |