1 files changed, 57 insertions, 0 deletions
diff --git a/klippy/extras/multi_pin.py b/klippy/extras/multi_pin.py
new file mode 100644
index 00000000..3e033a86
--- /dev/null
+++ b/klippy/extras/multi_pin.py
@@ -0,0 +1,57 @@
+# Virtual pin that propagates its changes to multiple output pins
+#
+# Copyright (C) 2017,2018  Kevin O'Connor <kevin@koconnor.net>
+#
+# This file may be distributed under the terms of the GNU GPLv3 license.
+import pins
+
+class PrinterMultiPin:
+    def __init__(self, config):
+        self.printer = config.get_printer()
+        try:
+            pins.get_printer_pins(self.printer).register_chip('multi_pin', self)
+        except pins.error:
+            pass
+        self.pin_type = None
+        self.pin_list = [pin.strip() for pin in config.get('pins').split(',')]
+        self.mcu_pins = []
+    def setup_pin(self, pin_params):
+        pin_name = pin_params['pin']
+        pin = self.printer.lookup_object('multi_pin ' + pin_name, None)
+        if pin is not self:
+            if pin is None:
+                raise pins.error("multi_pin %s not configured" % (pin_name,))
+            return pin.setup_pin(pin_params)
+        if self.pin_type is not None:
+            raise pins.error("Can't setup multi_pin %s twice" % (pin_name,))
+        self.pin_type = pin_params['type']
+        invert = ""
+        if pin_params['invert']:
+            invert = "!"
+        self.mcu_pins = [
+            pins.setup_pin(self.printer, self.pin_type, invert + pin_desc)
+            for pin_desc in self.pin_list]
+        return self
+    def get_mcu(self):
+        return self.mcu_pins[0].get_mcu()
+    def setup_max_duration(self, max_duration):
+        for mcu_pin in self.mcu_pins:
+            mcu_pin.setup_max_duration(max_duration)
+    def setup_start_value(self, start_value, shutdown_value):
+        for mcu_pin in self.mcu_pins:
+            mcu_pin.setup_start_value(start_value, shutdown_value)
+    def setup_cycle_time(self, cycle_time):
+        for mcu_pin in self.mcu_pins:
+            mcu_pin.setup_cycle_time(cycle_time)
+    def setup_hard_pwm(self, hard_cycle_ticks):
+        for mcu_pin in self.mcu_pins:
+            mcu_pin.setup_hard_pwm(hard_cycle_ticks)
+    def set_digital(self, print_time, value):
+        for mcu_pin in self.mcu_pins:
+            mcu_pin.set_digital(print_time, value)
+    def set_pwm(self, print_time, value):
+        for mcu_pin in self.mcu_pins:
+            mcu_pin.set_pwm(print_time, value)
+
+def load_config(config):
+    return PrinterMultiPin(config)