power

• what about power it by USB http://forums.parallella.org/viewtopic.php?f=12&t=1128
• 2A to micro-usb connector next to the rj45 Ethernet http://forums.parallella.org/viewtopic.php?f=50&t=1081
• How to minimize Epiphany standby power? http://forums.parallella.org/viewtopic.php?uid=590&f=10&t=1069&start=0

• Critical issue with non-conforming USB powered hubs. http://forums.parallella.org/viewtopic.php?f=10&t=841
• USB port change http://forums.parallella.org/viewtopic.php?f=10&t=1072
• USB power fix http://forums.parallella.org/viewtopic.php?f=50&t=1510

• Where can I draw 5V for a fan ? http://forums.parallella.org/viewtopic.php?f=23&t=1049&start=10

Update boot flash

This is required to get CR10 led working

• https://github.com/parallella/parallella-hw/tree/master/boards/parallella-I/firmware

FPGA

• Zynq documentation http://forums.parallella.org/viewtopic.php?f=51&t=1114

• Command-line programming http://forums.parallella.org/viewtopic.php?uid=590&f=51&t=1161&start=0

sudo mknod /dev/xdevcfg c 250 0
sudo -s
cat parallella.bit.bin > /dev/xdevcfg
exit

# programming time
cat /sys/devices/amba.1/f8007000.devcfg/prog_done

• Routing additional Zynq hard block I/O to PEC_FPGA http://forums.parallella.org/viewtopic.php?f=51&t=1154

• Source http://forums.parallella.org/viewtopic.php?uid=590&f=10&t=1069&start=0

• does the board contains thermal sensor(s) ? http://forums.parallella.org/viewtopic.php?f=23&t=930

/sys/bus/iio/devices/iio:device0/in_temp0_raw
/sys/bus/iio/devices/iio:device0/in_temp0_offset
/sys/bus/iio/devices/iio:device0/in_temp0_scale

T = ((in_temp0_raw + in_temp0_offset) * in_temp0_scale) / 1000)

script:

#!/bin/bash
raw=`cat /sys/bus/iio/devices/iio:device0/in_temp0_raw`
offset=`cat /sys/bus/iio/devices/iio:device0/in_temp0_offset`
scale=`cat /sys/bus/iio/devices/iio:device0/in_temp0_scale`

c_temp=`echo "scale=1;(($raw + $offset) * $scale) / 1000" | bc`
f_temp=`echo "scale=1;(($c_temp * 9) / 5) + 32" | bc`

echo
echo "Zynq Temp: $c_temp C / $f_temp F"
echo

Modified to display temperature in loop: temp.sh

headless stream

http://forums.parallella.org/viewtopic.php?f=48&t=1213

removed html traces from device tree

serial

• serial port http://forums.parallella.org/viewtopic.php?f=10&t=845

hardware

• Eagle library available http://forums.parallella.org/viewtopic.php?f=11&t=559
• KiCad daughter card template http://forums.parallella.org/viewtopic.php?f=11&t=1204 https://github.com/TiZed/Parallella_Template
• Parallella Case With 12V Fan http://www.thingiverse.com/thing:273701
• Parallella clip case https://github.com/kyllikki/designs/tree/master/Parallella
• ARM JTAG http://forums.parallella.org/viewtopic.php?f=10&t=167
• uboot network problems http://forums.parallella.org/viewtopic.php?f=48&t=1667&p=10416&hilit=devicetree#p10416

software

device tree

sudo apt-get install device-tree-compiler

# Compiling a device tree blob from source (.dts-->.dtb):
dtc -I dts -O dtb -o devicetree.dtb zynq-parallella1-headless.dts

# To get source from compiled device tree (.dtb-->.dts):
dtc -I dtb -O dts -o devicetree.dts devicetree.dtb

/dev

see how to modify devicetree at http://elinux.org/Parallella_Speed_Up_Ubuntu

Debian

http://elinux.org/Parallella_Debian

Epiphany

• cgminer https://github.com/LordRafa/cgminer