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-rw-r--r--klippy/extras/dotstar.py46
1 files changed, 26 insertions, 20 deletions
diff --git a/klippy/extras/dotstar.py b/klippy/extras/dotstar.py
index 0262c13d..6270fe0c 100644
--- a/klippy/extras/dotstar.py
+++ b/klippy/extras/dotstar.py
@@ -5,30 +5,35 @@
# This file may be distributed under the terms of the GNU GPLv3 license.
from . import bus, led
-BACKGROUND_PRIORITY_CLOCK = 0x7fffffff00000000
+BACKGROUND_PRIORITY_CLOCK = 0x7FFFFFFF00000000
+
class PrinterDotstar:
def __init__(self, config):
self.printer = printer = config.get_printer()
# Configure a software spi bus
- ppins = printer.lookup_object('pins')
- data_pin_params = ppins.lookup_pin(config.get('data_pin'))
- clock_pin_params = ppins.lookup_pin(config.get('clock_pin'))
- mcu = data_pin_params['chip']
- if mcu is not clock_pin_params['chip']:
+ ppins = printer.lookup_object("pins")
+ data_pin_params = ppins.lookup_pin(config.get("data_pin"))
+ clock_pin_params = ppins.lookup_pin(config.get("clock_pin"))
+ mcu = data_pin_params["chip"]
+ if mcu is not clock_pin_params["chip"]:
raise config.error("Dotstar pins must be on same mcu")
- sw_spi_pins = (data_pin_params['pin'], data_pin_params['pin'],
- clock_pin_params['pin'])
+ sw_spi_pins = (
+ data_pin_params["pin"],
+ data_pin_params["pin"],
+ clock_pin_params["pin"],
+ )
self.spi = bus.MCU_SPI(mcu, None, None, 0, 500000, sw_spi_pins)
# Initialize color data
- self.chain_count = config.getint('chain_count', 1, minval=1)
- self.led_helper = led.LEDHelper(config, self.update_leds,
- self.chain_count)
+ self.chain_count = config.getint("chain_count", 1, minval=1)
+ self.led_helper = led.LEDHelper(config, self.update_leds, self.chain_count)
self.prev_data = None
# Register commands
printer.register_event_handler("klippy:connect", self.handle_connect)
+
def handle_connect(self):
- self.update_leds(self.led_helper.get_status()['color_data'], None)
+ self.update_leds(self.led_helper.get_status()["color_data"], None)
+
def update_leds(self, led_state, print_time):
if led_state == self.prev_data:
return
@@ -37,20 +42,21 @@ class PrinterDotstar:
data = [0] * ((len(led_state) + 2) * 4)
for i, (red, green, blue, white) in enumerate(led_state):
idx = (i + 1) * 4
- data[idx] = 0xff
- data[idx+1] = int(blue * 255. + .5)
- data[idx+2] = int(green * 255. + .5)
- data[idx+3] = int(red * 255. + .5)
- data[-4] = data[-3] = data[-2] = data[-1] = 0xff
+ data[idx] = 0xFF
+ data[idx + 1] = int(blue * 255.0 + 0.5)
+ data[idx + 2] = int(green * 255.0 + 0.5)
+ data[idx + 3] = int(red * 255.0 + 0.5)
+ data[-4] = data[-3] = data[-2] = data[-1] = 0xFF
# Transmit update
minclock = 0
if print_time is not None:
minclock = self.spi.get_mcu().print_time_to_clock(print_time)
- for d in [data[i:i+20] for i in range(0, len(data), 20)]:
- self.spi.spi_send(d, minclock=minclock,
- reqclock=BACKGROUND_PRIORITY_CLOCK)
+ for d in [data[i : i + 20] for i in range(0, len(data), 20)]:
+ self.spi.spi_send(d, minclock=minclock, reqclock=BACKGROUND_PRIORITY_CLOCK)
+
def get_status(self, eventtime):
return self.led_helper.get_status(eventtime)
+
def load_config_prefix(config):
return PrinterDotstar(config)