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tmc2660: Add set_current()/get_current() helpers to TMC2660CurrentHelper 

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
This commit is contained in:
Kevin O'Connor 2021-02-20 13:32:22 -05:00
parent 8312843bbe
commit a657aab0bf
1 changed files with 15 additions and 9 deletions
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24
klippy/extras/tmc2660.py
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@ -145,9 +145,9 @@ class TMC2660CurrentHelper:
'idle_current_percent', default=100, minval=0, maxval=100)
if self.idle_current_percentage < 100:
self.printer.register_event_handler("idle_timeout:printing",
self.handle_printing)
self._handle_printing)
self.printer.register_event_handler("idle_timeout:ready",
self.handle_ready)
self._handle_ready)
gcode = self.printer.lookup_object("gcode")
gcode.register_mux_command("SET_TMC_CURRENT", "STEPPER", self.name,
@ -168,17 +168,17 @@ class TMC2660CurrentHelper:
cs = self._calc_current_bits(run_current, vsense)
return vsense, cs
def handle_printing(self, print_time):
def _handle_printing(self, print_time):
print_time -= 0.100 # Schedule slightly before deadline
self.printer.get_reactor().register_callback(
(lambda ev: self.set_current(print_time, self.current)))
(lambda ev: self._update_current(self.current, print_time)))
def handle_ready(self, print_time):
def _handle_ready(self, print_time):
current = self.current * float(self.idle_current_percentage) / 100.
self.printer.get_reactor().register_callback(
(lambda ev: self.set_current(print_time, current)))
(lambda ev: self._update_current(current, print_time)))
def set_current(self, print_time, current):
def _update_current(self, current, print_time):
vsense, cs = self._calc_current(current)
val = self.fields.set_field("CS", cs)
self.mcu_tmc.set_register("SGCSCONF", val, print_time)
@ -187,14 +187,20 @@ class TMC2660CurrentHelper:
val = self.fields.set_field("VSENSE", vsense)
self.mcu_tmc.set_register("DRVCONF", val, print_time)
def get_current(self):
return self.current, None, MAX_CURRENT
def set_current(self, run_current, hold_current, print_time):
self.current = run_current
self._update_current(run_current, print_time)
cmd_SET_TMC_CURRENT_help = "Set the current of a TMC2660 driver"
def cmd_SET_TMC_CURRENT(self, gcmd):
cur = gcmd.get_float('CURRENT', None, minval=0.1, maxval=MAX_CURRENT)
if cur is None:
return
self.current = cur
print_time = self.printer.lookup_object('toolhead').get_last_move_time()
self.set_current(print_time, self.current)
self.set_current(cur, None, print_time)
######################################################################