==== Configuration de base (PTT et Squelch) ==== Fichier ''/etc/rc.local'' Editer le fichier avec la commande (ajouter en fin de fichier AVANT ''exit 0'') sudo nano /etc/rc.local #CONFIGURATION PORT PTT & SQL # Radio "VHF" GPIO 16:PTT - GPIO 19:SQUELCH echo "16" > /sys/class/gpio/export & sleep 2 echo out > /sys/class/gpio/gpio16/direction echo "19" > /sys/class/gpio/export & sleep 2 echo in > /sys/class/gpio/gpio19/direction sleep 2 echo 1 > /sys/class/gpio/gpio19/active_low # MODE A : Squelch is active when the signal from receiver come from 0V to +5V (or 0V => +x V) / Upper config 'active_low' line is NOT in the script (line commented with # at its begin) # MODE B : Squelch is active when the signal from receiver come from +5V to 0V (or +xV => 0V ) / Upper config 'active_low' line is in the script (uncommented) # Radio "LINK" GPIO 17:PTT - GPIO 18:SQUELCH echo "17" > /sys/class/gpio/export & sleep 2 echo out > /sys/class/gpio/gpio17/direction echo "18" > /sys/class/gpio/export & sleep 2 echo in > /sys/class/gpio/gpio18/direction sleep 2 echo 1 > /sys/class/gpio/gpio18/active_low # MODE A : Squelch is active when the signal from receiver come from 0V to +5V (or 0V => +x V) / Upper config 'active_low' line is NOT in the script (line commented with # at its begin) # MODE B : Squelch is active when the signal from receiver come from +5V to 0V (or +xV => 0V ) / Upper config 'active_low' line is in the script (uncommented) La configuration peut être éventuellement testée avec [http://wiringpi.com/ wiringPi]. Le résultat doit être conforme à cet état (instruction ''gpio readall''): {{ :documents:gpio_states_svxcard.png?nolink |800px|Les états des ports GPIO pour la ''SVXLink Card''}}