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rev C: honor a STARTMODE config option for power-on display #1076

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rev C: honor a STARTMODE config option for power-on display #1076

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25 changes: 23 additions & 2 deletions library/lcd/lcd_comm_rev_c.py
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Original file line number Diff line number Diff line change
Expand Up @@ -31,6 +31,7 @@
from PIL import Image
from serial.tools.list_ports import comports

import library.config as config
from library.lcd.lcd_comm import Orientation, LcdComm
from library.lcd.serialize import image_to_BGRA, image_to_BGR, chunked
from library.log import logger
Expand Down Expand Up @@ -311,12 +312,32 @@ def SetOrientation(self, orientation: Orientation = Orientation.PORTRAIT):
# logger.info(f"Call SetOrientation to: {self.orientation.name}")

# if self.orientation == Orientation.REVERSE_LANDSCAPE or self.orientation == Orientation.REVERSE_PORTRAIT:
# b = Command.STARTMODE_DEFAULT.value + Padding.NULL.value + Command.FLIP_180.value + SleepInterval.OFF.value
# b = self._start_mode() + Padding.NULL.value + Command.FLIP_180.value + SleepInterval.OFF.value
# self._send_command(Command.OPTIONS, payload=b)
# else:
b = Command.STARTMODE_DEFAULT.value + Padding.NULL.value + Command.NO_FLIP.value + SleepInterval.OFF.value
b = self._start_mode() + Padding.NULL.value + Command.NO_FLIP.value + SleepInterval.OFF.value
self._send_command(Command.OPTIONS, payload=b)

@staticmethod
def _start_mode() -> bytearray:
# Byte 0 of the OPTIONS payload selects what the panel shows at power-on,
# a choice the firmware keeps across power cycles until it is changed
# again. This driver always sent DEFAULT, which blanks the panel until
# the host connects; the STARTMODE config option lets the panel instead
# replay the last image or video it was sent (useful with an SD card).
modes = {
"DEFAULT": Command.STARTMODE_DEFAULT, # show nothing until the host connects
"IMAGE": Command.STARTMODE_IMAGE, # replay the last image sent to the panel
"VIDEO": Command.STARTMODE_VIDEO, # replay the last video sent to the panel
}
name = str(config.CONFIG_DATA["display"].get("STARTMODE", "DEFAULT")).upper()
if name not in modes:
logger.warning("Unknown STARTMODE '%s' in config.yaml, using DEFAULT" % name)
name = "DEFAULT"
if name != "DEFAULT":
logger.debug("Display start mode at power-on: %s" % name)
return modes[name].value

def DisplayPILImage(
self,
image: Image.Image,
Expand Down