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by overflo
Sun Jul 28, 2013 9:26 pm
Forum: Deutsch
Topic: Probleme mit Nokia 5110 Display an Raspberry
Replies: 23
Views: 6870

Re: Probleme mit Nokia 5110 Display an Raspberry

Mach einen RESET nach dem refresh und dann geht das.

:ugeek:
-flo
by overflo
Wed Apr 17, 2013 1:53 pm
Forum: Troubleshooting
Topic: USB Serial Problem
Replies: 5
Views: 1389

Re: USB Serial Problem

What kernel are you using?. The problem is there for Linux powerpi 3.2.27+ #250 PREEMPT Thu Oct 18 19:03:02 BST 2012 armv6l GNU/Linux AND for Linux powerpi 3.6.11+ #371 PREEMPT Thu Oct 18 19:03:02 BST 2012 armv6l GNU/Linux as well. changing the baudrate to 2400 "solved" the problem for now.. but th...
by overflo
Wed Apr 17, 2013 1:22 pm
Forum: Troubleshooting
Topic: USB Serial Problem
Replies: 5
Views: 1389

Re: USB Serial Problem

i just got his reply when i asked at my local hackerspaces mailinglist for help. sum up: the recommendation is to use an even slower baudrate and see if that changes anything so i tried 2400 baud. it works. this is frustrating.. but at least the problem is kind of solved. reply (warning: german ahea...
by overflo
Wed Apr 17, 2013 12:35 pm
Forum: Troubleshooting
Topic: USB Serial Problem
Replies: 5
Views: 1389

USB Serial Problem

Hi, I traced a bug pretty deep down to the USB of raspberry pi (unless i did something wrong on the way). It seems like the pi drops USB frames without notice. I wrote a testprogramm on an arduino setup() { Serial.begin(9600); } loop() { Serial.print("mux: 1 pin: 2 ticks: 3\n"); } no external compon...

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