feat: add AS status feedback for both HMI sizes with verified v2.7 release

docs/evidence/2026-10-07/as-status-flash/153558/flash_as_v27.py

@@ -0,0 +1,67 @@
+import hashlib,json,re,subprocess,threading,time
+from datetime import datetime,timezone,timedelta
+from pathlib import Path
+import serial
+R=Path('D:/YMR/AMI')
+O=R/'docs/evidence/2026-10-07/as-status-flash'/datetime.now(timezone(timedelta(hours=8))).strftime('%H%M%S')
+O.mkdir(parents=True)
+CLI='D:/STM32CubeCLT_1.19.0/STM32CubeProgrammer/bin/STM32_Programmer_CLI.exe'
+SN='37FF71064E573436188C1543'
+binary=R/'output/firmware/AMI_Controller.bin';data=binary.read_bytes()
+assert len(data)==16672 and hashlib.sha256(data).hexdigest()=='1951c63e779429d08a992d1171fc92173e4399307ff741fdc5d9b7646848855d'
+report={'date':'2026-10-07','firmware':'v2.7','evidence_dir':str(O),'probe_serial':SN,'binary_bytes':len(data),'binary_sha256':hashlib.sha256(data).hexdigest(),'flash_verified':False,'full_readback_identical':False,'physical_can_test_performed':False,'physical_hmi_test_performed':False}
+def run(name,args,mode='HOTPLUG'):
+    p=subprocess.run([CLI,'-c','port=SWD',f'sn={SN}','freq=1000',f'mode={mode}',*args],capture_output=True,timeout=45)
+    log=p.stdout+p.stderr;(O/(name+'.log')).write_bytes(log)
+    assert p.returncode==0,(name,log.decode(errors='replace'))
+    assert b'Device ID   : 0x467' in log,(name,'unexpected target')
+    return log
+report['target_probe']=run('target-probe',[]).decode(errors='replace')
+assert 'Flash size  : 128 KBytes' in report['target_probe']
+backup=O/'before-flash-128k.bin'
+run('before-flash-backup',['-u','0x08000000','131072',str(backup)])
+assert backup.stat().st_size==131072
+report['backup_bytes']=backup.stat().st_size;report['backup_sha256']=hashlib.sha256(backup.read_bytes()).hexdigest()
+print('Backup complete: 128 KB',flush=True)
+capture=bytearray();errors=[];stop=threading.Event();port=None;thread=None
+try:
+    port=serial.Serial(port=None,baudrate=9600,timeout=.05)
+    port.port='COM6';port.dtr=False;port.rts=False;port.open()
+    def reader():
+        try:
+            while not stop.is_set():capture.extend(port.read(512))
+        except Exception as exc:errors.append(repr(exc))
+    thread=threading.Thread(target=reader);thread.start()
+except Exception as exc:report['serial_open_error']=repr(exc)
+try:
+    log=run('flash',['reset=HWrst','-w',str(binary),'0x08000000','-v','-rst'],'UR')
+    assert b'Download verified successfully' in log
+    report['flash_verified']=True
+    print('v2.7 programmed and verified',flush=True)
+    readback=O/'flash-readback-128k.bin'
+    run('flash-readback',['-u','0x08000000','131072',str(readback)])
+    assert readback.stat().st_size==131072
+    assert readback.read_bytes()[:len(data)]==data,'Flash image differs from published BIN'
+    report['full_readback_identical']=True
+    report['readback_image_sha256']=hashlib.sha256(readback.read_bytes()[:len(data)]).hexdigest()
+    report['readback_128k_sha256']=hashlib.sha256(readback.read_bytes()).hexdigest()
+    log=run('reset',['-rst']);assert b'reset is performed' in log.lower()
+    report['reset_performed']=True
+    time.sleep(8)
+finally:
+    stop.set()
+    if thread:thread.join(timeout=2)
+    if port:port.close()
+    (O/'uart-com6.bin').write_bytes(capture)
+    commands=[];unknown=[]
+    for frame in bytes(capture).split(b'\xff\xff\xff'):
+        if not frame:continue
+        try:
+            command=frame.decode('ascii')
+            if re.fullmatch(r'(?:[A-Za-z_][A-Za-z_0-9]*\.){0,2}[A-Za-z_][A-Za-z_0-9]*=-?\d+',command):commands.append(command)
+            else:unknown.append(frame.hex(' '))
+        except UnicodeDecodeError:unknown.append(frame.hex(' '))
+    report['serial']={'port':'COM6','baudrate':9600,'captured_bytes':len(capture),'complete_commands':commands,'other_frames_hex':unknown,'errors':errors,'boot_unknown_uart_verified':all(c in commands for c in ['current_task=7','lock_state=0','ebs_state=0','as_state=6'])}
+    (O/'flash-and-uart-results.json').write_text(json.dumps(report,ensure_ascii=False,indent=2)+'\n',encoding='utf-8')
+    (R/'tmp/as-flash-evidence-path.txt').write_text(str(O),encoding='utf-8')
+print(json.dumps(report,ensure_ascii=False,indent=2),flush=True)