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151 lines
3.3 KiB
151 lines
3.3 KiB
#!/usr/bin/env python3
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import zmq
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import time
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import random
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from collections import defaultdict, OrderedDict
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from selfdrive.boardd.boardd import can_list_to_can_capnp
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from selfdrive.car.toyota.toyotacan import make_can_msg
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import cereal.messaging as messaging
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from cereal.services import service_list
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fields = range(0, 256)
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# fields = [105, 225]
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fields = [105]
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field_results = defaultdict(lambda: "\x00\x00")
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cur_field = 97
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def send(sendcan, addr, m):
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packet = make_can_msg(addr, m, 0, False)
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packets = can_list_to_can_capnp([packet], msgtype='sendcan')
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sendcan.send(packets.to_bytes())
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def recv(can, addr):
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received = False
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r = []
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while not received:
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c = messaging.recv_one(can)
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for msg in c.can:
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if msg.address == addr:
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r.append(msg)
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received = True
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return r
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def recv_timeout(can, addr):
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received = False
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r = []
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t = time.time()
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while not received:
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c = messaging.recv_one_or_none(can)
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if c is not None:
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for msg in c.can:
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if msg.address == addr:
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r.append(msg)
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received = True
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if time.time() - t > 0.05:
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received = True
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return r
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def print_hex(d):
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s = map(ord, d)
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s = "".join(["{:02X}".format(b) for b in s])
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print(s)
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TYPES = {
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0: 'single',
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1: 'first',
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2: 'consecutive',
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3: 'flow'
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}
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FIRST = "\xFF\x02\xA8\x01\x00\x00\x00\x00"
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CONTINUE = "\xFF\x30\x01\x00\x00\x00\x00\x00"
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TEST_ON = "\xFF\x02\x10\x01\x00\x00\x00\x00"
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POLL = "\xFF\x02\x21\x69\x00\x00\x00\x00"
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prev_rcv_t = ""
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recv_data = []
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l = 0
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index = 0
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can = messaging.sub_sock('can')
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sendcan = messaging.pub_sock('sendcan')
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time.sleep(0.5)
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send(sendcan, 1872, FIRST)
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results = []
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test_mode = False
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while True:
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# Send flow control if necessary
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if prev_rcv_t == 'first' or prev_rcv_t == 'consecutive':
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send(sendcan, 1872, CONTINUE)
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received = recv_timeout(can, 1880)
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if len(received) == 0:
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print_hex(results[0])
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# print chr(27) + "[2J"
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# print time.time()
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# if results[0] != "\x7F\x21\x31":
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# field_results[cur_field] = results[0]
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# else:
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# fields.remove(cur_field)
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# for k in fields:
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# if field_results[k] == "\x00\x00":
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# continue
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# print k,
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# print_hex(field_results[k])
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results = []
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if not test_mode:
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send(sendcan, 1872, TEST_ON)
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test_mode = True
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else:
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cur_field = random.choice(fields)
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send(sendcan, 1872, POLL.replace('\x69', chr(cur_field)))
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for r in received:
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data = r.dat
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# Check message type
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t = TYPES[ord(data[1]) >> 4]
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if t == 'single':
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l = ord(data[1]) & 0x0F
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elif t == 'first':
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a = ord(data[1]) & 0x0F
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b = ord(data[2])
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l = b + (a << 8)
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recv_data = []
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prev_rcv_t = t
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if t == 'single':
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recv_data = data[2: 2 + l]
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results.append(recv_data)
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if t == 'first':
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index = 0
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recv_data += data[3: min(8, 3 + l)]
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if t == 'consecutive':
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index += 1
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assert index == ord(data[1]) & 0x0F
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pending_l = l - len(recv_data)
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recv_data += data[2: min(8, 2 + pending_l)]
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if len(recv_data) == l:
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prev_rcv_t = ""
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results.append(recv_data)
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