Initial working RTK base setup

2026-04-30 09:47:09 +02:00
commit f7460acbed
9 changed files with 2219 additions and 0 deletions
@@ -0,0 +1,39 @@
+#!/usr/bin/env python3
+import time, serial
+
+ZED_PORT  = "/dev/serial/by-id/usb-u-blox_AG_-_www.u-blox.com_u-blox_GNSS_receiver-if00"
+ZED_BAUD  = 115200
+
+LORA_PORT = "/dev/serial/by-id/usb-1a86_USB_Serial-if00-port0"
+LORA_BAUD = 9600
+
+READ_CHUNK = 4096
+
+def main():
+    zed  = serial.Serial(ZED_PORT,  ZED_BAUD,  timeout=0.2)
+    lora = serial.Serial(LORA_PORT, LORA_BAUD, timeout=0.2)
+    try:
+        last = time.time()
+        n_in = 0
+        while True:
+            data = zed.read(READ_CHUNK)
+            if data:
+                lora.write(data)
+                n_in += len(data)
+            else:
+                time.sleep(0.005)
+
+            # einfache Durchsatzanzeige alle 5s
+            now = time.time()
+            if now - last >= 5:
+                print(f"rtcm forwarded: {n_in/ (now-last):.0f} B/s")
+                last = now
+                n_in = 0
+    finally:
+        try: zed.close()
+        except: pass
+        try: lora.close()
+        except: pass
+
+if __name__ == "__main__":
+    main()