Ramblings: July 2013

Friday 19 July 2013

raspberry pi tvheadend

Tvheadend Updates

Firmware updated:Linux raspberrypi 3.6.11+ #502
tvheadend: old 3.5.201~g2a9ccdd, new 3.5.232~g7ac5542

Seems much better.

Flash drive and SD card Read timing

pi@raspberrypi /media/usbstick/recordings $ sudo hdparm -t /dev/sda1

/dev/sda1:
 Timing buffered disk reads:  44 MB in  3.02 seconds =  14.59 MB/sec
pi@raspberrypi /media/usbstick/recordings $ sudo hdparm -t /dev/root

/dev/root:
 Timing buffered disk reads:  46 MB in  3.10 seconds =  14.86 MB/sec
pi@raspberrypi /media/usbstick/recordings $

Wifi Timings


The Passenger.ts                              100% 1873MB 339.5KB/s 1:34:11
The Portrait of a Lady.ts                     100% 1759MB 588.4KB/s   51:01

Still requires burstmode off

Thursday 11 July 2013

Ralink RT5370 chip

To find chipset:


lsusb -v

Devices with RT5370 chipset do not work out of the box in Ubuntu 11.10 to 12.04. They work automatically in Ubuntu 12.10.

https://help.ubuntu.com/community/WifiDocs/Device/Tenda_W311M

http://ubuntuforums.org/showthread.php?t=1800178&highlight=rt5370sta