PSR

psr@rtime.felk.cvut.cz

104 discussions

Last tasks submit day on Tue Feb 13 at 14:00 in KN:E-2
by Jiri Hubacek 08 Feb '18

08 Feb '18

Dear students, there will be the last possibility to submit tasks on Tue Feb 13 at 14:00 in KN:E-2. This term is only for students that successfully finished exam. For summary: - For each task, working code needs to be presented. - For each task, questions may be asked. - Task 4: 2 measured times needed. - Task 5: Graph (one picture, maybe y logscale). - Task 6: Graph (one picture, histogram, logscale). - Task 7: Graph (one picture, latency profile). If any questions, please ask to mailing list. Have a nice day, Jiri Hubacek

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Pomoc s výukou předmětu architektury počítačů
by Michal Sojka 25 Jan '18

25 Jan '18

(For Czech students only) Vážení studenti, hledáme magisterské studenty, kteří by byli ochotni pomoct s cvičeními předmětu APO. Jedná se o předmět pro studenty 1. ročníku a problém je, že těch studentů je strašně moc. Nabízíme odměnu formou stipendia. Z vlastní zkušenosti mohu říct, že učením ostatních člověk naučí i sebe. Pokud tedy máte zájem se dovědět něco o fungování počítačů a máte v příštím semestru trochu času, ozvěte se prosím co nejdřív mně nebo Martinu Vajnarovi. Děkuji. -Michal Sojka

1 0

IRC_SR register values in interrupts
by beranj25＠fel.cvut.cz 16 Jan '18

16 Jan '18

In IRC interrupt routine I sometimes get values of IRC_A_MON and IRC_B_MON which are the same as in the interrupt that follows. So the status changes of IRC_{A,B}_MON are like this: [...] 0 2 2 3 3 1 1 0 2 2 3 3 1 1 0 0 2 2 3 3 1 1 0 0 2 3 1 1 0 0 2 2 [...] However, absolute position computed from such status changes seems to be correct. Spin in one direction for a given time then spin in the opposite direction at the same speed for the same time returns to roughly initial value. The difference from initial value is only about tens (one step in absolute position corresponds to one interrupt). Besides, in some cases (tens of hundred thousands interrupts) I read zero from IRC_IRQ_MON, but interrupt source is setup to rising edge, so I'd expect '1' every time. Have anyone encountered similar issue or do you have any explanation for this behavior? Thanks Jaroslav Beran

4 6

controller for semestral project
by mikulpa6＠fel.cvut.cz 16 Jan '18

16 Jan '18

Good afternoon, I have a question in regards to the type of controller for the semestral project. Is it necessary to use PID controller for the PWM DUTY, or is it sufficient to use P controller instead? Thank you Pavol Mikula.

2 1

Termín odevzdávání semestrání práce
by kopecdav＠fel.cvut.cz 16 Jan '18

16 Jan '18

Dobrý den, na cvičení jsme se domlouvali ohledně odevzdání semestrální práce den před zkouškou (tedy zítra 15.1), nicméně nedomluvil jsme se na přesném čase. Kdy bychom se tedy měli dstavit na odevzdání? Mockrát děkuji za odpověď. S pozdravem, David Kopecký

2 1

Semestral work demo
by Toni Lammi 15 Jan '18

15 Jan '18

Hi, If I understood correctly there is a demo session for the semestral work tomorrow (Tue 16th). Is there a time for it already? I haven't received or found any information yet. Best regards, Toni Lammi

1 0

Exam + semestral work
by Toni Lammi 09 Jan '18

09 Jan '18

Hi, I'm an exchange student on course "Real-time systems programming". I heard a rumor (couldn't confirm it myself) that the semestral work needs to be returned before taking the exam. Is this the case? If it is, would it be possible to take the exam prior to returning the semestral work as it would help my schedule with going back to Finland? I would greatly appreciate it. Yours truly, Toni Lammi, toni.j.lammi(a)gmail.com

2 1

Additional positions for exams on 24.01. or 31.01.
by Igor Aleksander Lisowski 09 Jan '18

09 Jan '18

Good evening, I would like to ask if there would be possiblity of adding additional positions for exams on 24.01. or 31.01.? There are only five positions for each exam and they are already full. It would be problematic for me to attend exam on other dates. Best regards, Igor A. Lisowski

2 1

Looking for a partner for the semestral project
by tanweixi＠fel.cvut.cz 03 Jan '18

03 Jan '18

Hello, is there anyone who still does not have a partner for the semestral project? I have been unable to find anyone free to work with me since the holidays. Please email me if you are free to work with me. Thank you very much in advance. Best regards, Tan Wei Xin

1 0

Spolupracovník na semestrálku a zápočet
by Jiří Cvrček 02 Jan '18

02 Jan '18

Přeji dobrý večer, chtěl bych se zeptat, zda je podmínkou zápočtu odevzdání všech úloh, nebo stačí zisk 14b. A pak taky poptat, zda je ještě nějaký opožděný "expert" jako já, který nemá dvojici na semestrálku a měl by zájem se do toho vrhnout. S pozdravem, Jiří Cvrček

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