mcu: Move SerialCommand from serialhdl.py to mcu.py
Move the serial command wrapper class from serialhdl.py to mcu.py. This will allow that class to better support higher level functionality. Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
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@ -424,6 +424,25 @@ class MCU_adc:
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if self._callback is not None:
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self._callback(last_read_time, last_value)
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# Wrapper around command sending
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class CommandWrapper:
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def __init__(self, mcu, serial, cmd, cmd_queue):
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self._mcu = mcu
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self._serial = serial
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self._cmd = cmd
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self._cmd_queue = cmd_queue
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def send(self, data=(), minclock=0, reqclock=0):
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cmd = self._cmd.encode(data)
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self._serial.raw_send(cmd, minclock, reqclock, self._cmd_queue)
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def send_with_response(self, data=(), response=None, response_oid=None):
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cmd = self._cmd.encode(data)
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try:
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src = serialhdl.SerialRetryCommand(self._serial, cmd,
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response, response_oid)
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return src.get_response()
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except serialhdl.error as e:
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raise error(str(e))
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class MCU:
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error = error
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def __init__(self, config, clocksync):
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@ -688,7 +707,10 @@ class MCU:
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def alloc_command_queue(self):
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return self._serial.alloc_command_queue()
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def lookup_command(self, msgformat, cq=None):
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return self._serial.lookup_command(msgformat, cq)
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if cq is None:
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cq = self._serial.get_default_command_queue()
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cmd = self._serial.get_msgparser().lookup_command(msgformat)
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return CommandWrapper(self, self._serial, cmd, cq)
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def try_lookup_command(self, msgformat):
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try:
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return self.lookup_command(msgformat)
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@ -134,6 +134,8 @@ class SerialReader:
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return self.ffi_main.string(self.stats_buf)
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def get_msgparser(self):
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return self.msgparser
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def get_default_command_queue(self):
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return self.default_cmd_queue
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# Serial response callbacks
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def register_response(self, callback, name, oid=None):
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with self.lock:
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@ -152,11 +154,6 @@ class SerialReader:
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cmd = self.msgparser.create_command(msg)
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src = SerialRetryCommand(self, cmd, response)
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return src.get_response()
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def lookup_command(self, msgformat, cq=None):
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if cq is None:
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cq = self.default_cmd_queue
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cmd = self.msgparser.lookup_command(msgformat)
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return SerialCommand(self, cq, cmd)
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def alloc_command_queue(self):
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return self.ffi_main.gc(self.ffi_lib.serialqueue_alloc_commandqueue(),
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self.ffi_lib.serialqueue_free_commandqueue)
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@ -198,20 +195,6 @@ class SerialReader:
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def __del__(self):
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self.disconnect()
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# Wrapper around command sending
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class SerialCommand:
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def __init__(self, serial, cmd_queue, cmd):
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self.serial = serial
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self.cmd_queue = cmd_queue
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self.cmd = cmd
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def send(self, data=(), minclock=0, reqclock=0):
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cmd = self.cmd.encode(data)
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self.serial.raw_send(cmd, minclock, reqclock, self.cmd_queue)
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def send_with_response(self, data=(), response=None, response_oid=None):
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cmd = self.cmd.encode(data)
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src = SerialRetryCommand(self.serial, cmd, response, response_oid)
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return src.get_response()
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# Class to retry sending of a query command until a given response is received
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class SerialRetryCommand:
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TIMEOUT_TIME = 5.0
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