mirror of https://github.com/Desuuuu/klipper.git
console: Add a HELP command
Show available features at startup. Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
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@ -8,6 +8,22 @@ import sys, optparse, os, re, logging
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import reactor, serialhdl, pins, util, msgproto
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help_txt = """
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This is a debugging console for the Klipper micro-controller.
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In addition to mcu commands, the following artificial commands are
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available:
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PINS : Load pin name aliases (eg, "PINS arduino")
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DELAY : Send a command at a clock time (eg, "DELAY 9999 get_uptime")
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SET : Create a local variable (eg, "SET myvar 123.4")
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HELP : Show this text
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All commands also support evaluation by enclosing an expression in { }.
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For example, "reset_step_clock oid=4 clock={clock + freq}". In addition
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to user defined variables (via the SET command) the following builtin
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variables may be used in expressions:
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clock : The current mcu clock time (as estimated by the host)
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freq : The mcu clock frequency
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"""
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re_eval = re.compile(r'\{(?P<eval>[^}]*)\}')
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class KeyboardReader:
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@ -22,16 +38,20 @@ class KeyboardReader:
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reactor.register_fd(self.fd, self.process_kbd)
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self.connect_timer = reactor.register_timer(self.connect, reactor.NOW)
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self.local_commands = {
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"PINS": self.set_pin_map, "SET": self.set_var, "DELAY": self.delay
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"PINS": self.command_PINS, "SET": self.command_SET,
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"DELAY": self.command_DELAY, "HELP": self.command_HELP,
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}
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self.eval_globals = {}
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def connect(self, eventtime):
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self.output(help_txt)
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self.output("="*20 + " attempting to connect " + "="*20)
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self.ser.connect()
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self.ser.handle_default = self.handle_default
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self.mcu_freq = self.ser.msgparser.get_constant_float('CLOCK_FREQ')
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mcu = self.ser.msgparser.get_constant('MCU')
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self.pins = pins.get_pin_map(mcu)
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self.reactor.unregister_timer(self.connect_timer)
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self.output("="*20 + " connected " + "="*20)
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return self.reactor.NEVER
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def output(self, msg):
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sys.stdout.write("%s\n" % (msg,))
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@ -41,17 +61,17 @@ class KeyboardReader:
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def update_evals(self, eventtime):
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self.eval_globals['freq'] = self.mcu_freq
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self.eval_globals['clock'] = self.ser.get_clock(eventtime)
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def set_pin_map(self, parts):
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def command_PINS(self, parts):
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mcu = self.ser.msgparser.get_constant('MCU')
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self.pins = pins.get_pin_map(mcu, parts[1])
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def set_var(self, parts):
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def command_SET(self, parts):
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val = parts[2]
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try:
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val = float(val)
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except ValueError:
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pass
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self.eval_globals[parts[1]] = val
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def delay(self, parts):
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def command_DELAY(self, parts):
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try:
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val = int(parts[1])
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except ValueError as e:
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@ -63,6 +83,8 @@ class KeyboardReader:
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self.output("Error: %s" % (str(e),))
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return
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self.ser.send(msg, minclock=val)
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def command_HELP(self, parts):
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self.output(help_txt)
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def translate(self, line, eventtime):
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evalparts = re_eval.split(line)
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if len(evalparts) > 1:
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