mawei/panda-meb
1
0
Fork 0
mirror of https://github.com/infiniteCable2/panda.git synced 2026-02-18 17:23:52 +08:00
Code Issues Packages Projects Releases Wiki Activity

remove k-line driver (#1743)

Browse Source
This commit is contained in:
Adeeb Shihadeh
2023-11-23 17:09:10 -08:00
committed by GitHub
parent 3b22bc18c6
commit 4c0d2505b7
4 changed files with 0 additions and 198 deletions
Download Patch File Download Diff File Expand all files Collapse all files

57
python/__init__.py
View File

@@ -879,63 +879,6 @@ class Panda:
"""
self._handle.controlWrite(Panda.REQUEST_OUT, 0xf2, port_number, 0, b'')
# ******************* kline *******************
# pulse low for wakeup
def kline_wakeup(self, k=True, l=True):
assert k or l, "must specify k-line, l-line, or both"
logging.debug("kline wakeup...")
self._handle.controlWrite(Panda.REQUEST_OUT, 0xf0, 2 if k and l else int(l), 0, b'')
logging.debug("kline wakeup done")
def kline_5baud(self, addr, k=True, l=True):
assert k or l, "must specify k-line, l-line, or both"
logging.debug("kline 5 baud...")
self._handle.controlWrite(Panda.REQUEST_OUT, 0xf4, 2 if k and l else int(l), addr, b'')
logging.debug("kline 5 baud done")
def kline_drain(self, bus=2):
# drain buffer
bret = bytearray()
while True:
ret = self._handle.controlRead(Panda.REQUEST_IN, 0xe0, bus, 0, 0x40)
if len(ret) == 0:
break
logging.debug(f"kline drain: 0x{ret.hex()}")
bret += ret
return bytes(bret)
def kline_ll_recv(self, cnt, bus=2):
echo = bytearray()
while len(echo) != cnt:
ret = self._handle.controlRead(Panda.REQUEST_OUT, 0xe0, bus, 0, cnt - len(echo))
if len(ret) > 0:
logging.debug(f"kline recv: 0x{ret.hex()}")
echo += ret
return bytes(echo)
def kline_send(self, x, bus=2, checksum=True):
self.kline_drain(bus=bus)
if checksum:
x += bytes([sum(x) % 0x100])
for i in range(0, len(x), 0xf):
ts = x[i:i + 0xf]
logging.debug(f"kline send: 0x{ts.hex()}")
self._handle.bulkWrite(2, bytes([bus]) + ts)
echo = self.kline_ll_recv(len(ts), bus=bus)
if echo != ts:
logging.error(f"**** ECHO ERROR {i} ****")
logging.error(f"0x{echo.hex()}")
logging.error(f"0x{ts.hex()}")
assert echo == ts
def kline_recv(self, bus=2, header_len=4):
# read header (last byte is length)
msg = self.kline_ll_recv(header_len, bus=bus)
# read data (add one byte to length for checksum)
msg += self.kline_ll_recv(msg[-1]+1, bus=bus)
return msg
def send_heartbeat(self, engaged=True):
self._handle.controlWrite(Panda.REQUEST_OUT, 0xf3, engaged, 0, b'')