From 7e64e7a9024da79403b32d3c9f6814d98462eb0a Mon Sep 17 00:00:00 2001
From: viktor <viktor138irk@icloud.com>
Date: Fri, 24 Jul 2026 23:12:04 +0900
Subject: [PATCH] =?UTF-8?q?TX-=D1=84=D0=B8=D0=BA=D1=81:=20DMR=20VCXO-?=
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Гипотеза: кварц общий (аналог TX на частоте), а DMR трим (0xB4)=0x40 vs аналог 0x80 давал сдвиг.
Записал DMR VCCN band1&2=0x80 + CmdWriteAll. Обратимо (baseline 0x3f/0x40). tools/module_calfix.py.
Осталось проверить DMR TX в обычном режиме.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01NikMGoqQWWk9wy2ww2vJAr
---
 tools/module_calfix.py | 47 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 47 insertions(+)
 create mode 100644 tools/module_calfix.py

diff --git a/tools/module_calfix.py b/tools/module_calfix.py
new file mode 100644
index 0000000..1cb06cf
--- /dev/null
+++ b/tools/module_calfix.py
@@ -0,0 +1,47 @@
+#!/usr/bin/env python3
+"""RT-4D DMR-модуль: чтение/запись частотного трима VCCN через 0x68 (Linux, ttyACM0).
+Рация в режиме «Обновление DMR чипа». 0x68: 68 cmd 01 01 00 00 lenHi lenLo <payload> 10 (CRC не проверяется).
+"""
+import serial, time, sys, argparse
+def frame(cmd, payload=b""):
+    return bytes([0x68,cmd,1,1,0,0,(len(payload)>>8)&0xFF,len(payload)&0xFF])+payload+bytes([0x10])
+def xfer(sp, fr, wait=0.4):
+    sp.reset_input_buffer(); sp.write(fr); time.sleep(0.03)
+    b=b""; t=time.time()
+    while time.time()-t<wait:
+        n=sp.in_waiting
+        if n: b+=sp.read(n); t=time.time()
+        else: time.sleep(0.005)
+    return b
+def parse(rx):
+    if len(rx)<9 or rx[0]!=0x68: return None
+    ln=(rx[6]<<8)|rx[7]; return dict(cmd=rx[1],st=rx[3],pl=rx[8:8+ln])
+def main():
+    ap=argparse.ArgumentParser()
+    ap.add_argument("--port",default="/dev/ttyACM0")
+    ap.add_argument("--write",action="store_true")
+    ap.add_argument("--val",type=lambda x:int(x,0),default=0x80)
+    a=ap.parse_args()
+    sp=serial.Serial(a.port,115200,timeout=0)
+    p=parse(xfer(sp,frame(0x84)))  # ping
+    print("ping:", "OK" if p and p['cmd']==0x84 else "НЕТ ОТВЕТА (рация в режиме прошивки?)")
+    if not p: return
+    xfer(sp,frame(0xB0,bytes([1,1])))  # OpenCal
+    def rd(band): 
+        r=parse(xfer(sp,frame(0xB4,bytes([0,band]))))
+        return r['pl'][-1] if r and r['pl'] else None
+    b1,b2=rd(1),rd(2)
+    print(f"DMR VCCN сейчас: band1=0x{b1:02x} band2=0x{b2:02x}" if b1 is not None else "чтение не удалось")
+    a2=parse(xfer(sp,frame(0xB2,bytes([0,2]))))  # analog band2
+    print(f"ANA VCCN band2=0x{a2['pl'][-1]:02x}" if a2 and a2['pl'] else "ANA read fail")
+    if a.write:
+        print(f"--> пишу DMR VCCN band1&2 = 0x{a.val:02x}")
+        xfer(sp,frame(0xB4,bytes([1,1,a.val])))  # write band1
+        xfer(sp,frame(0xB4,bytes([1,2,a.val])))  # write band2
+        w=parse(xfer(sp,frame(0xBD,bytes([1])))) # WriteAll
+        print("  WriteAll:", "OK" if w and w['st']==0 else f"st={w['st'] if w else '?'}")
+        nb1,nb2=rd(1),rd(2)
+        print(f"  прочитал обратно: band1=0x{nb1:02x} band2=0x{nb2:02x}")
+    xfer(sp,frame(0xB0,bytes([1,0])))  # CloseCal
+    sp.close()
+if __name__=="__main__": main()