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| From: | Peter Stuge <peter@×××××.se> | ||
|---|---|---|---|
| To: | gentoo-embedded@l.g.o | ||
| Subject: | Re: [gentoo-embedded] High Speed Serial Problem | ||
| Date: | Sun, 14 Mar 2010 18:08:29 | ||
| Message-Id: | 20100314175102.20911.qmail@stuge.se | ||
| In Reply to: | [gentoo-embedded] High Speed Serial Problem by David Relson |
||
| 1 | David Relson wrote: |
| 2 | > Any suggestions of what to do or where to look to solve the |
| 3 | > problems? |
| 4 | |
| 5 | Look to the hardware. Linux is not introducing these problems. |
| 6 | |
| 7 | Start with tapping the RS-485 signal with two other receivers, and |
| 8 | look at what bytes are being sent when. |
| 9 | |
| 10 | Linux can do plenty of buffering in it's RX interrupt so you're not |
| 11 | going to lose any incoming data. |
| 12 | |
| 13 | |
| 14 | //Peter |