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authorKevin O'Connor <kevin@koconnor.net>2019-08-17 22:03:51 -0400
committerKevin O'Connor <kevin@koconnor.net>2019-08-17 22:14:02 -0400
commit96fdb6ef369b822961e7484c7f8d04f3c191ad62 (patch)
tree023a7804761894084483f7bd7fa03e44751a1eb7 /klippy/extras/display/uc1701.py
parent05bb5484b43cd7e5b1f9ee235eacfec7c1f1d928 (diff)
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uc1701: Add support for a reset line on SSD1306 displays
Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
Diffstat (limited to 'klippy/extras/display/uc1701.py')
-rw-r--r--klippy/extras/display/uc1701.py15
1 files changed, 15 insertions, 0 deletions
diff --git a/klippy/extras/display/uc1701.py b/klippy/extras/display/uc1701.py
index 3766fa13..45d13c2b 100644
--- a/klippy/extras/display/uc1701.py
+++ b/klippy/extras/display/uc1701.py
@@ -200,10 +200,25 @@ class SSD1306(DisplayBase):
cs_pin = config.get("cs_pin", None)
if cs_pin is None:
io = I2C(config, 60)
+ io_bus = io.i2c
else:
io = SPI4wire(config, "dc_pin")
+ io_bus = io.spi
+ self.mcu_reset = None
+ reset_pin_desc = config.get("reset_pin", None)
+ if reset_pin_desc is not None:
+ self.mcu_reset = extras.bus.MCU_bus_digital_out(
+ io_bus.get_mcu(), reset_pin_desc, io_bus.get_command_queue())
DisplayBase.__init__(self, io)
def init(self):
+ if self.mcu_reset is not None:
+ mcu = self.mcu_reset.get_mcu()
+ curtime = mcu.get_printer().get_reactor().monotonic()
+ print_time = mcu.estimated_print_time(curtime)
+ minclock = mcu.print_time_to_clock(print_time + .100)
+ self.mcu_reset.update_digital_out(0, minclock=minclock)
+ minclock = mcu.print_time_to_clock(print_time + .200)
+ self.mcu_reset.update_digital_out(1, minclock=minclock)
init_cmds = [
0xAE, # Display off
0xD5, 0x80, # Set oscillator frequency