diff options
Diffstat (limited to 'klippy/extras/mcp4018.py')
| -rw-r--r-- | klippy/extras/mcp4018.py | 40 |
1 files changed, 26 insertions, 14 deletions
diff --git a/klippy/extras/mcp4018.py b/klippy/extras/mcp4018.py index 2f0f3989..4f070d2a 100644 --- a/klippy/extras/mcp4018.py +++ b/klippy/extras/mcp4018.py @@ -5,32 +5,44 @@ # This file may be distributed under the terms of the GNU GPLv3 license. from . import bus + class mcp4018: def __init__(self, config): self.printer = config.get_printer() - self.i2c = bus.MCU_I2C_from_config(config, default_addr=0x2f) - self.scale = config.getfloat('scale', 1., above=0.) - self.start_value = config.getfloat('wiper', - minval=0., maxval=self.scale) - config.get_printer().register_event_handler("klippy:connect", - self.handle_connect) + self.i2c = bus.MCU_I2C_from_config(config, default_addr=0x2F) + self.scale = config.getfloat("scale", 1.0, above=0.0) + self.start_value = config.getfloat("wiper", minval=0.0, maxval=self.scale) + config.get_printer().register_event_handler( + "klippy:connect", self.handle_connect + ) # Register commands self.name = config.get_name().split()[1] - gcode = self.printer.lookup_object('gcode') - gcode.register_mux_command("SET_DIGIPOT", "DIGIPOT", self.name, - self.cmd_SET_DIGIPOT, - desc=self.cmd_SET_DIGIPOT_help) + gcode = self.printer.lookup_object("gcode") + gcode.register_mux_command( + "SET_DIGIPOT", + "DIGIPOT", + self.name, + self.cmd_SET_DIGIPOT, + desc=self.cmd_SET_DIGIPOT_help, + ) + def handle_connect(self): self.set_dac(self.start_value) + def set_dac(self, value): - val = int(value * 127. / self.scale + .5) + val = int(value * 127.0 / self.scale + 0.5) self.i2c.i2c_write([val]) + cmd_SET_DIGIPOT_help = "Set digipot value" + def cmd_SET_DIGIPOT(self, gcmd): - wiper = gcmd.get_float('WIPER', minval=0., maxval=self.scale) + wiper = gcmd.get_float("WIPER", minval=0.0, maxval=self.scale) if wiper is not None: self.set_dac(wiper) - gcmd.respond_info("New value for DIGIPOT = %s, wiper = %.2f" - % (self.name, wiper)) + gcmd.respond_info( + "New value for DIGIPOT = %s, wiper = %.2f" % (self.name, wiper) + ) + + def load_config_prefix(config): return mcp4018(config) |