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Hello guys, I have the venus image on my raspi and if the internet connection is lost I want to switch a relay via gpio to restart the router.
I can control the gpio21 (pin40) with "dbus -y com.victronenergy.system/Relay/0/State SetValue% 0 or 1" but it is not switched on the raspi. What am I doing wrong?
add a space after "system" and move the % to just before the value:
dbus -y com.victronenergy.system /Relay/0/State SetValue %1
dbus -y com.victronenergy.system /Relay/0/State SetValue %0
yes I did exactly that. in the remote control I see on / off but the gpio from the raspi are not controlled
It may be that the GPIO pins are not being setup.
/etc/venus/gpio_list needs to contain the mapping between the physical pin and the relay:
# relays are active HIGH
# Relay 1 Pin 40 / GPIO 21
21 out relay_1
# Relay 2 Pin 11 / GPIO 17
17 out relay_2
I have a script that will set this all up for you:
https://github.com/kwindrem/RpiGpioSetup
It is possible to activate additional relay outputs however there are changes needed in relaystate.py, AND to add GUI control of them. My script does NOT activate these additional relay outputs.
This script also installs a device tree overlay that changes all digital input GPIO pins to have pull ups on all pins. The default is for the first 8 GPIO pins to have pull ups and the remainder to have pull DOWNs, so when used as Venus digital inputs, the pins behave differently unless this overlay is installed.
Hello,
Thank you for the info. I tried to install your script. but get the following output
./setup: line 41: /data/SetupHelper/CommonResources: No such file or directory
./setup: line 68: [: ==: unary operator expected
./setup: line 79: [: ==: unary operator expected
./setup: line 102: [: ==: unary operator expected
./setup: line 122: endScript: command not found
