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+--- Thread: Script reboot failing (/showthread.php?tid=5457)
Script reboot failing - fbrun@domizy - 10.06.2024
Hi,
I'm trying to reboot a wiser for KNX with a script.
Using this "os.execute('reboot')", the server doesn't reboot.
I also tested this "os.execute(reboot)" but i have the same result.
Respectfully,
BRUN Félix.
RE: Script reboot failing - Daniel - 10.06.2024
In General configuration there is Block unsafe functions in scripts:
Make sure to disable it.
RE: Script reboot failing - fbrun@domizy - 10.06.2024
(10.06.2024, 10:05)Daniel Wrote: In General configuration there is Block unsafe functions in scripts:
Make sure to disable it.
Thanks Daniel !
RE: Script reboot failing - JMM - 24.06.2025
Hi,
I have the same problem as fbrun@domizy to reboot LM5, I don't understand Daniel's answer
BR
RE: Script reboot failing - Daniel - 24.06.2025
Utilities-> General configuration...
RE: Script reboot failing - JMM - 24.06.2025
Thanks Daniel, it's OK
Is it also possible to reset the USB port by script, I have a Uart rs232 which from time to time blocks and I am obliged to unplug and replug
RE: Script reboot failing - Daniel - 24.06.2025
What is the device you have problem with?
RE: Script reboot failing - JMM - 24.06.2025
It's : FTDI - FT232R USB UART
RE: Script reboot failing - Daniel - 24.06.2025
Did you check if just reboot helps? I think it will need power down anyway.
RE: Script reboot failing - JMM - 24.06.2025
Yes reboot helps, I read the frame of a Linky electric meter every minute, some day at 8:00 a.m. the meter sends the tariff change and the ft232 blocks so either reboot or disconnect reconnect
It's not from the script!!
RE: Script reboot failing - JMM - 24.06.2025
Code:
-- Script USB Reset Final pour LM5 OpenRB
-- Version simplifiée et optimisée
local function write_file_safe(file, value)
local f = io.open(file, "w")
if f then
local success, err = pcall(function()
f:write(value)
f:close()
end)
if success then
log("✓ Reset: " .. file)
return true
end
end
return false
end
-- Configuration LM5 validée
local USB_BUSES = {
"/sys/devices/platform/soc/2100000.aips-bus/2184000.usb/ci_hdrc.0/usb1",
"/sys/devices/platform/soc/2100000.aips-bus/2184200.usb/ci_hdrc.1/usb2"
}
-- Reset USB rapide et efficace
local function restart_usb_lm5()
log("=== Redémarrage USB LM5 ===")
for i, bus_path in ipairs(USB_BUSES) do
log("Reset bus USB" .. i .. "...")
-- Désauthoriser le bus
write_file_safe(bus_path .. "/authorized", "0")
os.execute("sleep 1")
-- Réauthoriser le bus
write_file_safe(bus_path .. "/authorized", "1")
os.execute("sleep 1")
end
log("✓ Reset USB terminé")
-- Attendre la détection des périphériques
os.execute("sleep 2")
-- Vérification
log("Vérification des périphériques USB...")
local handle = io.popen("dmesg | grep -E 'ttyUSB|ftdi_sio|SerialNumber' | tail -5 2>/dev/null")
if handle then
for line in handle:lines() do
log(" > " .. line)
end
handle:close()
end
log("=== Fin du redémarrage ===")
end
-- Fonction principale simplifiée
local function main(arg)
if #arg == 0 or arg[1] == "restart" then
restart_usb_lm5()
else
log("Usage: main({\"restart\"}) ou main({})")
end
end
-- Auto-exécution
main({})
RE: Script reboot failing - admin - 25.06.2025
You can power cycle USB port like this:
Code:
io.writefile('/dev/usbctrl', 'low')
os.sleep(1)
io.writefile('/dev/usbctrl', 'high')
os.sleep(1)Make sure that serial port is not open in a script when doing the power cycle. Otherwise the port name might change and script won't work.
RE: Script reboot failing - JMM - 26.06.2025
Thanks Daniel, but is not work
RE: Script reboot failing - JMM - 04.07.2025
Hello,
Is there a way from a Lua script (or system command via os.execute()) to completely cut and restore the 5V power supply to a USB port on the LM5?
BR
RE: Script reboot failing - Erwin van der Zwart - 04.07.2025
Could be “block unsafe scripts” in general configuration io.writefile could be blocked, not sure if that is also on LM..
RE: Script reboot failing - Daniel - 04.07.2025
(04.07.2025, 12:42)Erwin van der Zwart Wrote: Could be “block unsafe scripts” in general configuration io.writefile could be blocked, not sure if that is also on LM..
No it's not.
RE: Script reboot failing - admin - 07.07.2025
What is your LM hardware version (printed on the sticker on the side of the housing)?
Create an event script mapped to a binary object to control USB power power:
Code:
state = event.getvalue() and 'high' or 'low'
io.writefile('/dev/usbctrl', state)Check System config > Status > System log, you should see that USB converter is disconnected when the port is powered down. Similar to this:
Code:
Jul 7 11:17:03 LogicMachine kern.info kernel: [11838588.128976] cp210x 1-1:1.0: device disconnected
Jul 7 11:17:03 LogicMachine kern.info kernel: [11838588.128729] cp210x ttyUSB0: cp210x converter now disconnected from ttyUSB0
Jul 7 11:17:03 LogicMachine kern.info kernel: [11838588.128345] usb 1-1: USB disconnect, device number 4