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Dobrica Pavlinušić's random unstructured stuff
Parallella: Revision 20
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^ 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 * http://forums.parallella.org/viewtopic.php?f=49&t=983 * https://github.com/parallella/parallella-hw/tree/master/boards/parallella-I/firmware enviroment before u-boot update: .pre zynq-uboot> env print baudrate=115200 bitstream_image=parallella.bit.bin bootcmd=run modeboot bootdelay=0 devicetree_image=devicetree.dtb devicetree_size=0x20000 ethact=zynq_gem ethaddr=04:4f:8b:00:10:13 fdt_high=0x20000000 initrd_high=0x20000000 ipaddr=192.168.0.99 kernel_image=uImage kernel_size=0x500000 modeboot=run qspiboot qspiboot=echo Configuring PL and Booting Linux...;mmcinfo;fatload mmc 0 0x4000000 ${bitstream_image};fpga load 0 0x4000000 0x3dbafc;fatload mmc 0 0x3000000 ${kernel_image};fatload mmc 0 0x2A00000 ${devicetree_image};bootm 0x3000000 - 0x2A00000 serverip=192.168.0.101 stderr=serial stdin=serial stdout=serial Environment size: 655/131068 bytes .pre ^ FPGA * Zynq documentation http://forums.parallella.org/viewtopic.php?f=51&t=1114 * Command-line programming http://forums.parallella.org/viewtopic.php?uid=590&f=51&t=1161&start=0 .pre sudo mknod /dev/xdevcfg c 250 0 sudo -s cat parallella.bit.bin > /dev/xdevcfg exit # programming time cat /sys/devices/amba.1/f8007000.devcfg/prog_done .pre * Routing additional Zynq hard block I/O to PEC_FPGA http://forums.parallella.org/viewtopic.php?f=51&t=1154 * Source http://forums.parallella.org/viewtopic.php?uid=590&f=10&t=1069&start=0 * does the board contains thermal sensor(s) ? http://forums.parallella.org/viewtopic.php?f=23&t=930 .pre /sys/bus/iio/devices/iio:device0/in_temp0_raw /sys/bus/iio/devices/iio:device0/in_temp0_offset /sys/bus/iio/devices/iio:device0/in_temp0_scale T = ((in_temp0_raw + in_temp0_offset) * in_temp0_scale) / 1000) .pre script: .pre #!/bin/bash raw=`cat /sys/bus/iio/devices/iio:device0/in_temp0_raw` offset=`cat /sys/bus/iio/devices/iio:device0/in_temp0_offset` scale=`cat /sys/bus/iio/devices/iio:device0/in_temp0_scale` c_temp=`echo "scale=1;(($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 .pre Modified to display temperature in loop: {file: 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 .pre 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 .pre ^^ /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 |