Unterschiede

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--- public:can-utils_tipps [2023/03/18 11:48] – [can-utils Tipps] geier99
+++ public:can-utils_tipps [2026/03/16 13:47] (aktuell) – [Senden - cansend] geier99
@@ Zeile 18: / Zeile 18: @@
 bestimmte Botschaften aus Logfile senden (geht auch mit canplayer):
 candump vcan0 | grep " 244 " | while read line; do cansend vcan0 244#00000011F6; done
+Botschaften gleichzeitig:
+ while true; do cansend can0 122#04020000; sleep 0.1; cansend can0 2FA#0120C8180000C801; sleep 0.1; cansend can0 34E#107F287F05480000; sleep 0.1; done
 </code>
+bzw. eine Text-Datei einlesen und dann mit Pythonskript senden:\\
+send_can.py
+<sxh py>#!/usr/bin/env python3
+import time
+import subprocess
+MESSAGE_FILE = "messages.txt"
+def send_can_message(interface, frame):
+    subprocess.run(["cansend", interface, frame])
+def main():
+    messages = []
+    # Datei einlesen
+    with open(MESSAGE_FILE, "r") as f:
+        for line in f:
+            line = line.strip()
+            if not line or line.startswith("#"):
+                continue
+            parts = line.split()
+            if len(parts) != 3:
+                print(f"Überspringe ungültige Zeile: {line}")
+                continue
+            iface, frame, delay_ms = parts
+            messages.append((iface, frame, int(delay_ms)))
+    print(f"{len(messages)} CAN‑Nachrichten geladen. Starte Endlosschleife...")
+    # Endlosschleife
+    while True:
+        for iface, frame, delay in messages:
+            send_can_message(iface, frame)
+            time.sleep(delay / 1000.0)
+if __name__ == "__main__":
+    main()
+</sxh>und message.txt<code># Interface   Frame                         Delay_ms
+can0          122#04020000                  100
+can0          2FA#0120C8180000C801          100
+can0          34E#107F287F05480000          100
+</code>dann noch<code> chmod +x send_can.py
+./send_can.py
+</code>
 ===== Senden - canplayer =====
 <code>