import libscrc # load in csv with decoded bytes from manchester signal # sort packets by finding the start cmd from the controller file = "controller-firmware/python/src/sandbox/t.txt" def bin_to_bytes(s): return bytes(int(s[i:i+8][::-1], 2) for i in range(0, len(s), 8)) def get_packets(filename): with open(filename) as f: next(f) # skip header packet = [] prev_ts = None for line in f: ts, value = line.strip().split(',') ts = float(ts) if prev_ts is not None and ts - prev_ts > 500e-9: yield packet packet = [] prev_ts = ts packet.append(int(value)) yield packet results = [] for packet in get_packets(file): s = ''.join(str(x) for x in packet) if not s.startswith('0101010101010101001111110') or not s.count('111111') == 2 or not s.endswith('01111110'): print("bad packet") continue payload = s[25:-8].replace('111110', '11111') if payload == '1111111111111111': continue print(payload) b = bin_to_bytes(payload) #results.append(b) #print("\t".join(f"{byte:d}" for byte in b)) #print(results) # 10100000 00100100 01011000 10010001 11011001 10110100 00000000 00100010 01011111 10010000 00000000 00000000 00100110 00010111