To print system info of Raspberry Pi, we can use the shell script "system-info.sh" download here:
http://ryan.sayr.eu/~ryan/system-info/
Before run, you have to modify its permission to be executable.
 |
| Print system info for Raspberry Pi |
system-info.sh:
#!/bin/bash
VERSION="0.5.3"
# raspberry-pi system information script
# One script that can tell you the RAM config, serial number, SD card size,
# temperature, and codec entitlements. Work-in-progress!
# Requires bc to for quick calculation. (apt-get install bc on debian)
# check if run as a normal user - if so, exit.
if [[ $(/usr/bin/id -u) -ne 0 ]]; then
echo "$0 not running as root!"
exit
fi
# calculate the memory allocated based upon the GPU / system split
# in config.txt (gpu_mem=64) - use vcgencmd because text file contents may be
# different than actual memory split allocation!
sysmem=`/opt/vc/bin/vcgencmd get_mem arm | sed 's/[A-Za-z]*//g' | cut -c 2-`
gpumem=`/opt/vc/bin/vcgencmd get_mem gpu | sed 's/[A-Za-z]*//g' | cut -c 2-`
totalmem=`expr $sysmem + $gpumem`
# Model A shouldn't have the smsc95xx installed! Return 1 if it's a modelB
modelB=`lsusb -t | grep -c smsc95xx`
rpiSerialNum=`grep Serial /proc/cpuinfo | cut -d " " -f 2`
echo "*** system-info for raspberry-pi $VERSION ***************************************"
if [ "$modelB" = "1" ]
then
echo "Model B serial $rpiSerialNum detected with $totalmem MB ($sysmem Sys/$gpumem GPU)"
else
echo "Model A serial $rpiSerialNum detected with $totalmem MB installed ($sysmem sys / $gpumem gpu split)"
fi
# Raw SD card capacity does not translate to usable space! May need resizing!
fdiskOutput=`fdisk -l /dev/mmcblk0 | grep GB | cut -d \ -f 3,4`
echo "SD card raw capacity: ${fdiskOutput:0:-1}"
echo " "
echo -n "Firmware version: "
/opt/vc/bin/vcgencmd version | grep -v Broadcom
echo " "
tm=`/opt/vc/bin/vcgencmd measure_temp`
tc=`echo $tm| cut -d '=' -f2 | sed 's/..$//'`
tf=$(echo "scale=1; (1.8*$tc)+32" | bc)
echo -e "temp:\t $tf'F ($tc'C)"
echo " "
#echo -e "temp:\t $(/opt/vc/bin/vcgencmd measure_temp)" ;
for src in arm core v3d uart emmc pixel hdmi ; do echo -e "$src:\t $(/opt/vc/bin/vcgencmd measure_clock $src)" ; done
echo " "
for id in core sdram_c sdram_p ; do echo -e "$id: $(/opt/vc/bin/vcgencmd measure_volts $id)" ; done
echo " "
for codec in MPG2 WVC1 ; do echo -e "$codec:\t $(/opt/vc/bin/vcgencmd codec_enabled $codec)" ; done
There are many tutorials online for building Qt5 on the Raspberry Pi, but all or most of those tutorials are for using a desktop machine to cross compile the binaries for the Raspberry Pi. You will not be able to run qmake and make on the Raspberry Pi itself if you cross compile. This tutorial is meant to show you how to natively compile Qt 5 on the Raspberry Pi so that you can use qmake and make on the Raspberry Pi itself without cross compiling or relying on an external desktop...
