Working on analysis

gm_platform/fw/reader.py

@@ -0,0 +1,30 @@
+#!/usr/bin/env python3
+
+import struct
+
+import sqlite3
+
+import serial
+from cobs import cobs
+
+if __name__ == '__main__':
+    import argparse
+
+    parser = argparse.ArgumentParser()
+    parser.add_argument('-b', '--baudrate', type=int, default=250000)
+    parser.add_argument('port')
+    parser.add_argument('dbfile')
+    args = parser.parse_args()
+
+    db = sqlite3.connect(args.db)
+    ser = serial.Serial(args.port, args.baudrate)
+
+    while True:
+        packet = ser.read_until(b'\0')
+        try:
+            packet = cobs.decode(packet)
+            crc, seq, struct.decode('IBxH', packet[:8])
+
+        except Exception as e:
+            print(e)
+

gm_platform/fw/tw_test.py

@@ -29,7 +29,6 @@ ctrl_reset = lambda: ctrl_packet(CtrlPacketTypes.RESET)
 ctrl_ack = lambda pid: ctrl_packet(CtrlPacketTypes.ACK, pid)
 ctrl_retransmit = lambda pid: ctrl_packet(CtrlPacketTypes.RETRANSMIT, pid)
 
-
 if __name__ == '__main__':
     import argparse
     parser = argparse.ArgumentParser()
@@ -71,6 +70,7 @@ if __name__ == '__main__':
     last_pid = None
     lines_written = 0
     cur = db.cursor()
+    capture_start = time()
     while True:
         #ser.write(cobs.encode(b'\x01\xff') + b'\0')
         data = ser.read_until(b'\0')
@@ -91,17 +91,25 @@ if __name__ == '__main__':
                 # Calculate byte-wise CRC32
                 our_crc = zlib.crc32(bytes(b for x in payload for b in (0, 0, 0, x)))
                 #log.append((time(), seq, crc32, our_crc, pid, data))
-                print(f'{ts:>7.3f} {seq:05d} {crc32:08x} {our_crc:08x} {pid} {hexlify(data).decode()}', end='')
+                bars = '\u2581\u2582\u2583\u2584\u2585\u2586\u2587\u2588'
+                sparkline = ''.join(bars[int(x/4096*8)] for x in struct.unpack('<32H', data))
+                print(f'\033[38;5;249m{ts-capture_start:>10.3f}',
+                        f'\033[94m{seq:05d}',
+                        f'\033[38;5;243m{crc32:08x}',
+                        f'\033[38;5;243m{our_crc:08x}',
+                        f'\033[38;5;243m{pid}',
+                        f'\033[0m{hexlify(data).decode()}',
+                        f'\033[94m{sparkline}\033[0m', end='')
 
                 error = False
                 suppress_ack = False
                 if crc32 != our_crc:
-                    print(' CRC ERROR', end='')
+                    print(' \033[1;91mCRC ERROR\033[0m', end='')
                     suppress_ack = True
                     error = True
 
                 if last_pid is not None and pid != (last_pid+1)%8:
-                    print(' PID ERROR', end='')
+                    print(' \033[1;93mPID ERROR\033[0m', end='')
                     error = True
                 else:
                     last_pid = pid
@@ -121,6 +129,8 @@ if __name__ == '__main__':
                 if lines_written == 80:
                     lines_written = 0
                     print('\033[2J\033[H', end='')
+                    delta = ts-capture_start
+                    print(f'\033[7mRun {run_id}, capturing for {delta//3600//24:> 3.0f}:{delta//3600%24:02.0f}:{delta//60%60:02.0f}:{delta%60:06.3f}\033[0m')
                     db.commit()
 
             except Exception as e:

gm_platform/platform/platform.sch

@@ -3021,5 +3021,5 @@ F 5 "SDCIT/8GB" H 12700 7050 50  0001 C CNN "Reichelt"
 	1    0    0    -1  
 $EndComp
 Text Notes 850  11050 0    50   ~ 0
-TO-DO\n* Add adc buffer op amp\n* join input resistors, adjust divider\n* earth secondary side\n* add slots for large isolation barrier\n* add slots for small isolation barrier\n* fixup/remove ocxo footprint\n* fixup converter footprint, use smaller part? use 5V one and power raspi?\n* remove uart isolation?\n* fix fuse rating\n* remove one fuse\n* remove lid switches?\n* fixup incorrect bom items\n* CH340 V3 cap -> 100n\n* replace CH340 w/ silabs cp2102\n* replace optocoupler pullups w/ 350R
+TO-DO\n* Add adc buffer op amp\n* join input resistors, adjust divider\n* earth secondary side\n* add slots for large isolation barrier\n* add slots for small isolation barrier\n* fixup/remove ocxo footprint\n* fixup converter footprint, use smaller part? use 5V one and power raspi?\n* remove uart isolation?\n* fix fuse rating\n* remove one fuse\n* remove lid switches?\n* fixup incorrect bom items\n* CH340 V3 cap -> 100n\n* replace CH340 w/ silabs cp2102\n* replace optocoupler pullups w/ 350R\n* Remove 3V6 limiting zener in vmeas circuit
 $EndSCHEMATC