Différences

Ci-dessous, les différences entre deux révisions de la page.

--- materiel:rpi:gpio:accueil [2016/12/05 19:24]
resonance [Entreés]
+++ materiel:rpi:gpio:accueil [2018/05/15 16:16]
resonance
@@ Ligne 4: / Ligne 4: @@
+===== Ligne de commande =====
+ Elevate your permissions to root user to allow IO access
+sudo -i
+Setup to control pin as output
+Substitute 23 in the following commands for your GPIO number (GPIO, not pin number)
+echo "23" > /sys/class/gpio/export
+echo "out" > /sys/class/gpio/gpio23/direction
+Control Output State
+echo "1" > /sys/class/gpio/gpio23/value
+echo "0" > /sys/class/gpio/gpio23/value
+Setup to read pin as an input
+Substitute 23 in the following commands for your GPIO number (GPIO, not pin number)
+echo "23" > /sys/class/gpio/export
+echo "in" > /sys/class/gpio/gpio23/direction
+Read its state
+cat /sys/class/gpio/gpio23/value
+To Release A Pin Afterwards
+echo "23" > /sys/class/gpio/unexport
+===== Avec Python =====
 Avec la  biblio RPI.gpio et la biblio gpiozero :
 Here’s a list of devices which currently supported:

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