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| author | Kevin O'Connor <kevin@koconnor.net> | 2019-08-17 21:46:45 -0400 |
|---|---|---|
| committer | Kevin O'Connor <kevin@koconnor.net> | 2019-08-17 22:14:02 -0400 |
| commit | 05bb5484b43cd7e5b1f9ee235eacfec7c1f1d928 (patch) | |
| tree | 770e51cc99ccc6d759ebf89dd5c914621100ddf8 /klippy/extras/display/uc1701.py | |
| parent | 9c40394248259e13bc3b498e2ea849ea53c622f1 (diff) | |
| download | kutter-05bb5484b43cd7e5b1f9ee235eacfec7c1f1d928.tar.gz kutter-05bb5484b43cd7e5b1f9ee235eacfec7c1f1d928.tar.xz kutter-05bb5484b43cd7e5b1f9ee235eacfec7c1f1d928.zip | |
bus: Add MCU_bus_digital_out helper class
Add a helper class for tracking gpio outputs that are synchronized to
bus updates on a particular command queue.
Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
Diffstat (limited to 'klippy/extras/display/uc1701.py')
| -rw-r--r-- | klippy/extras/display/uc1701.py | 30 |
1 files changed, 6 insertions, 24 deletions
diff --git a/klippy/extras/display/uc1701.py b/klippy/extras/display/uc1701.py index ff7d595e..3766fa13 100644 --- a/klippy/extras/display/uc1701.py +++ b/klippy/extras/display/uc1701.py @@ -1,6 +1,6 @@ # Support for UC1701 (and similar) 128x64 graphics LCD displays # -# Copyright (C) 2018 Kevin O'Connor <kevin@koconnor.net> +# Copyright (C) 2018-2019 Kevin O'Connor <kevin@koconnor.net> # Copyright (C) 2018 Eric Callahan <arksine.code@gmail.com> # Copyright (C) 2019 Dmitry Budaev <condemil@gmail.com> # @@ -110,30 +110,12 @@ class SPI4wire: def __init__(self, config, data_pin_name): self.spi = extras.bus.MCU_SPI_from_config(config, 0, default_speed=10000000) - mcu = self.spi.get_mcu() - # Create data/control pin - ppins = config.get_printer().lookup_object('pins') - pin_params = ppins.lookup_pin(config.get(data_pin_name)) - if pin_params['chip'] != mcu: - raise ppins.error("%s: all pins must be on same mcu" % ( - config.get_name())) - self.dc_oid = mcu.create_oid() - mcu.add_config_cmd("config_digital_out oid=%d pin=%s" - " value=%d default_value=%d max_duration=%d" % ( - self.dc_oid, pin_params['pin'], 0, 0, 0)) - mcu.register_config_callback(self.build_config) - self.update_pin_cmd = None - def build_config(self): - self.update_pin_cmd = self.spi.get_mcu().lookup_command( - "update_digital_out oid=%c value=%c", - cq=self.spi.get_command_queue()) + dc_pin = config.get(data_pin_name) + self.mcu_dc = extras.bus.MCU_bus_digital_out( + self.spi.get_mcu(), dc_pin, self.spi.get_command_queue()) def send(self, cmds, is_data=False): - if is_data: - self.update_pin_cmd.send([self.dc_oid, 1], - reqclock=BACKGROUND_PRIORITY_CLOCK) - else: - self.update_pin_cmd.send([self.dc_oid, 0], - reqclock=BACKGROUND_PRIORITY_CLOCK) + self.mcu_dc.update_digital_out(is_data, + reqclock=BACKGROUND_PRIORITY_CLOCK) self.spi.spi_send(cmds, reqclock=BACKGROUND_PRIORITY_CLOCK) # IO wrapper for i2c bus |