mcu: Support minclock in send_with_response() requests

Enhance send_with_response() so that it supports queries with a
minclock.

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
This commit is contained in:
Kevin O'Connor 2019-06-21 20:46:44 -04:00
parent e202a8802b
commit 9feb05ce41
3 changed files with 27 additions and 11 deletions

View file

@ -152,7 +152,7 @@ class SerialReader:
self.raw_send(cmd, minclock, reqclock, self.default_cmd_queue)
def send_with_response(self, msg, response):
cmd = self.msgparser.create_command(msg)
src = SerialRetryCommand(self, cmd, response)
src = SerialRetryCommand(self, [cmd], self.default_cmd_queue, response)
return src.get_response()
def alloc_command_queue(self):
return self.ffi_main.gc(self.ffi_lib.serialqueue_alloc_commandqueue(),
@ -199,17 +199,22 @@ class SerialReader:
class SerialRetryCommand:
TIMEOUT_TIME = 5.0
RETRY_TIME = 0.500
def __init__(self, serial, cmd, name, oid=None):
def __init__(self, serial, cmds, cmd_queue, name, oid=None,
minclock=0, minsystime=0.):
self.serial = serial
self.cmd = cmd
self.cmds = cmds
self.cmd_queue = cmd_queue
self.name = name
self.oid = oid
self.minclock = minclock
self.response = None
reactor = self.serial.reactor
self.mutex = reactor.mutex(is_locked=True)
self.min_query_time = self.serial.reactor.monotonic()
self.first_query_time = max(self.min_query_time, minsystime)
self.serial.register_response(self.handle_callback, self.name, self.oid)
retry_time = self.send_event(self.min_query_time)
self.send_event(self.min_query_time)
retry_time = self.first_query_time + self.RETRY_TIME
self.send_timer = reactor.register_timer(self.send_event, retry_time)
def unregister(self):
self.serial.unregister_response(self.name, self.oid)
@ -217,12 +222,14 @@ class SerialRetryCommand:
def send_event(self, eventtime):
if self.response is not None:
return self.serial.reactor.NEVER
if eventtime > self.min_query_time + self.TIMEOUT_TIME:
if eventtime > self.first_query_time + self.TIMEOUT_TIME:
self.unregister()
if self.response is None:
self.mutex.unlock()
return self.serial.reactor.NEVER
self.serial.raw_send(self.cmd, 0, 0, self.serial.default_cmd_queue)
for cmd in self.cmds:
self.serial.raw_send(cmd, self.minclock, self.minclock,
self.cmd_queue)
return eventtime + self.RETRY_TIME
def handle_callback(self, params):
last_sent_time = params['#sent_time']