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add kline debug support

master
Jennifer Strange 2018-02-28 17:03:04 -08:00
parent 75a29d5c9a
commit 3b7c33b15a
1 changed files with 10 additions and 1 deletions
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11
python/__init__.py
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@ -455,7 +455,11 @@ class Panda(object):
# pulse low for wakeup
def kline_wakeup(self):
if DEBUG:
print("kline wakeup...")
self._handle.controlWrite(Panda.REQUEST_OUT, 0xf0, 0, 0, b'')
if DEBUG:
print("kline wakeup done")
def kline_drain(self, bus=2):
# drain buffer
@ -470,7 +474,10 @@ class Panda(object):
def kline_ll_recv(self, cnt, bus=2):
echo = bytearray()
while len(echo) != cnt:
echo += self._handle.controlRead(Panda.REQUEST_OUT, 0xe0, bus, 0, cnt-len(echo))
ret = str(self._handle.controlRead(Panda.REQUEST_OUT, 0xe0, bus, 0, cnt-len(echo)))
if DEBUG and len(ret) > 0:
print("kline recv: "+ret.encode("hex"))
echo += ret
return echo
def kline_send(self, x, bus=2, checksum=True):
@ -484,6 +491,8 @@ class Panda(object):
x += get_checksum(x)
for i in range(0, len(x), 0xf):
ts = x[i:i+0xf]
if DEBUG:
print("kline send: "+ts.encode("hex"))
self._handle.bulkWrite(2, chr(bus).encode()+ts)
echo = self.kline_ll_recv(len(ts), bus=bus)
if echo != ts: