uv-belichter-software/utils.py

64 lines
2.3 KiB
Python

"""
uv-belichter-software - Some utilities for better customization and modularization
Copyright (C) 2024 Benjamin Burkhardt
This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License along with this program. If not, see <https://www.gnu.org/licenses/>.
"""
import config as cfg
from time import sleep
"""
Very simple logging function
Overall log level can be specified in config.py
"""
def log(log_level: int, message: str):
log_mapping = {0: "WARN", 1: "INFO", 2: "DEBUG"}
log_level = int(log_level) # make sure log_level is an integer
if log_level not in [0, 1, 2]:
print(f"[LOGGER] Got a message of unknown log level ({log_level}). Original message is printed below.")
print(f"{message}")
elif cfg.LOG_LEVEL >= log_level: # if log level is valid
print(f"[{log_mapping[log_level]}] {message}")
"""
Simple function that displays a startup "welcome" screen
Configurable in config.py
"""
def show_welcome(): # cycles says how often the startup text goes through
cycles = cfg.STARTUP_WELCOME_CYCLES
if cycles < 1:
cycles = 1
padding = " "*cfg.LCD_I2C_NUM_COLS
started_str = cfg.STARTUP_MESSAGE_FINISHED
starting_str = cfg.STARTUP_MESSAGE_STARTING
# slide the first line over the display (animated from right to left)
for i in range(cycles):
line1 = padding + starting_str + padding
line2 = cfg.STARTUP_PROJECT_NAME
for i in range(cfg.LCD_I2C_NUM_COLS + len(starting_str)):
cfg.LCD.putstr(line1[0:16])
cfg.LCD.move_to(0,1)
cfg.LCD.putstr(line2[0:16])
line1 = line1[1:]
cfg.LCD.move_to(0,0)
cfg.LCD.putstr(started_str)
# now fade down
sleep(2)
cfg.LCD.move_to(0,0)
cfg.LCD.putstr(padding + started_str)
sleep(0.1)
cfg.LCD.clear()