def initialize_variables(self):
from mycodo.devices.lcd_generic import LCD_Generic
try:
function_channels = db_retrieve_table_daemon(
FunctionChannel).filter(FunctionChannel.function_id == self.unique_id).all()
self.options_channels = self.setup_custom_channel_options_json(
FUNCTION_INFORMATION['custom_channel_options'], function_channels)
for each_set in range(self.number_line_sets):
self.line_sets.append([])
for each_line in range(lcd_lines):
self.line_sets[each_set].append(each_line)
self.logger.debug("Line sets: {}".format(self.line_sets))
lcd_settings_dict = {
"unique_id": self.unique_id,
"i2c_address": self.i2c_address,
"i2c_bus": self.i2c_bus,
"x_characters": lcd_x_characters,
"y_lines": lcd_lines
}
self.lcd = LCD_Generic(lcd_settings_dict=lcd_settings_dict)
self.lcd.lcd_init()
self.logger.debug("LCD Function started")
except:
self.logger.exception("Starting LCD Function")
def __init__(self, ready, lcd_id):
threading.Thread.__init__(self)
self.logger = logging.getLogger(
"mycodo.lcd_{id}".format(id=lcd_id.split('-')[0]))
self.running = False
self.thread_startup_timer = timeit.default_timer()
self.thread_shutdown_timer = 0
self.ready = ready
self.flash_lcd_on = False
self.lcd_initialized = False
self.lcd_is_on = False
self.lcd_id = lcd_id
self.display_sets = []
self.display_set_count = 0
try:
lcd_dev = db_retrieve_table_daemon(LCD, unique_id=self.lcd_id)
self.lcd_type = lcd_dev.lcd_type
self.lcd_name = lcd_dev.name
self.lcd_i2c_address = int(lcd_dev.location, 16)
self.lcd_i2c_bus = lcd_dev.i2c_bus
self.lcd_period = lcd_dev.period
self.lcd_x_characters = lcd_dev.x_characters
self.lcd_y_lines = lcd_dev.y_lines
self.timer = time.time() + self.lcd_period
self.backlight_timer = time.time()
self.list_pids = ['setpoint', 'pid_time']
self.list_outputs = [
'duration_time', 'output_time', 'output_state'
]
# Add custom measurement and units to list
self.list_inputs = add_custom_measurements(
db_retrieve_table_daemon(Measurement, entry='all'))
self.list_inputs.update(
{'input_time': {
'unit': None,
'name': 'Time'
}})
self.list_inputs.update(
{'pid_time': {
'unit': None,
'name': 'Time'
}})
self.dict_units = add_custom_units(
db_retrieve_table_daemon(Unit, entry='all'))
lcd_data = db_retrieve_table_daemon(LCDData).filter(
LCDData.lcd_id == lcd_dev.unique_id).all()
self.lcd_string_line = {}
self.lcd_line = {}
self.lcd_max_age = {}
self.lcd_decimal_places = {}
for each_lcd_display in lcd_data:
self.display_sets.append(each_lcd_display.unique_id)
self.lcd_string_line[each_lcd_display.unique_id] = {}
self.lcd_line[each_lcd_display.unique_id] = {}
self.lcd_max_age[each_lcd_display.unique_id] = {}
self.lcd_decimal_places[each_lcd_display.unique_id] = {}
for i in range(1, self.lcd_y_lines + 1):
self.lcd_string_line[each_lcd_display.unique_id][i] = ''
self.lcd_line[each_lcd_display.unique_id][i] = {}
if i == 1:
self.lcd_max_age[each_lcd_display.unique_id][
i] = each_lcd_display.line_1_max_age
self.lcd_decimal_places[each_lcd_display.unique_id][
i] = each_lcd_display.line_1_decimal_places
elif i == 2:
self.lcd_max_age[each_lcd_display.unique_id][
i] = each_lcd_display.line_2_max_age
self.lcd_decimal_places[each_lcd_display.unique_id][
i] = each_lcd_display.line_2_decimal_places
elif i == 3:
self.lcd_max_age[each_lcd_display.unique_id][
i] = each_lcd_display.line_3_max_age
self.lcd_decimal_places[each_lcd_display.unique_id][
i] = each_lcd_display.line_3_decimal_places
elif i == 4:
self.lcd_max_age[each_lcd_display.unique_id][
i] = each_lcd_display.line_4_max_age
self.lcd_decimal_places[each_lcd_display.unique_id][
i] = each_lcd_display.line_4_decimal_places
elif i == 5:
self.lcd_max_age[each_lcd_display.unique_id][
i] = each_lcd_display.line_5_max_age
self.lcd_decimal_places[each_lcd_display.unique_id][
i] = each_lcd_display.line_5_decimal_places
elif i == 6:
self.lcd_max_age[each_lcd_display.unique_id][
i] = each_lcd_display.line_6_max_age
self.lcd_decimal_places[each_lcd_display.unique_id][
i] = each_lcd_display.line_6_decimal_places
elif i == 7:
self.lcd_max_age[each_lcd_display.unique_id][
i] = each_lcd_display.line_7_max_age
self.lcd_decimal_places[each_lcd_display.unique_id][
i] = each_lcd_display.line_7_decimal_places
elif i == 8:
self.lcd_max_age[each_lcd_display.unique_id][
i] = each_lcd_display.line_8_max_age
self.lcd_decimal_places[each_lcd_display.unique_id][
i] = each_lcd_display.line_8_decimal_places
if self.lcd_y_lines in [2, 4, 8]:
self.setup_lcd_line(each_lcd_display.unique_id, 1,
each_lcd_display.line_1_id,
each_lcd_display.line_1_measurement)
self.setup_lcd_line(each_lcd_display.unique_id, 2,
each_lcd_display.line_2_id,
each_lcd_display.line_2_measurement)
if self.lcd_y_lines in [4, 8]:
self.setup_lcd_line(each_lcd_display.unique_id, 3,
each_lcd_display.line_3_id,
each_lcd_display.line_3_measurement)
self.setup_lcd_line(each_lcd_display.unique_id, 4,
each_lcd_display.line_4_id,
each_lcd_display.line_4_measurement)
if self.lcd_y_lines == 8:
self.setup_lcd_line(each_lcd_display.unique_id, 5,
each_lcd_display.line_5_id,
each_lcd_display.line_5_measurement)
self.setup_lcd_line(each_lcd_display.unique_id, 6,
each_lcd_display.line_6_id,
each_lcd_display.line_6_measurement)
self.setup_lcd_line(each_lcd_display.unique_id, 7,
each_lcd_display.line_7_id,
each_lcd_display.line_7_measurement)
self.setup_lcd_line(each_lcd_display.unique_id, 8,
each_lcd_display.line_8_id,
each_lcd_display.line_8_measurement)
if self.lcd_type in ['16x2_generic', '20x4_generic']:
from mycodo.devices.lcd_generic import LCD_Generic
self.lcd_out = LCD_Generic(lcd_dev)
self.lcd_init()
elif self.lcd_type in ['128x32_pioled', '128x64_pioled']:
from mycodo.devices.lcd_pioled import LCD_Pioled
self.lcd_out = LCD_Pioled(lcd_dev)
self.lcd_init()
else:
self.logger.error("Unknown LCD type: {}".format(self.lcd_type))
if self.lcd_initialized:
line_1 = 'Mycodo {}'.format(MYCODO_VERSION)
line_2 = 'Start {}'.format(self.lcd_name)
self.lcd_out.lcd_write_lines(line_1, line_2, '', '')
except Exception as except_msg:
self.logger.exception("Error: {err}".format(err=except_msg))
class CustomModule(AbstractFunction):
"""
Class to operate custom controller
"""
def __init__(self, function, testing=False):
super(CustomModule, self).__init__(function, testing=testing, name=__name__)
self.options_channels = {}
self.lcd = None
self.timer_loop = time.time()
self.line_sets = []
self.current_line_set = 0
self.line_y_dimensions = [0, 8]
self.pad = -2
# Initialize custom options
self.period = None
self.i2c_address = None
self.i2c_bus = None
self.number_line_sets = None
# Set custom options
custom_function = db_retrieve_table_daemon(
CustomController, unique_id=self.unique_id)
self.setup_custom_options(
FUNCTION_INFORMATION['custom_options'], custom_function)
if not testing:
self.initialize_variables()
def initialize_variables(self):
from mycodo.devices.lcd_generic import LCD_Generic
try:
function_channels = db_retrieve_table_daemon(
FunctionChannel).filter(FunctionChannel.function_id == self.unique_id).all()
self.options_channels = self.setup_custom_channel_options_json(
FUNCTION_INFORMATION['custom_channel_options'], function_channels)
for each_set in range(self.number_line_sets):
self.line_sets.append([])
for each_line in range(lcd_lines):
self.line_sets[each_set].append(each_line)
self.logger.debug("Line sets: {}".format(self.line_sets))
lcd_settings_dict = {
"unique_id": self.unique_id,
"i2c_address": self.i2c_address,
"i2c_bus": self.i2c_bus,
"x_characters": lcd_x_characters,
"y_lines": lcd_lines
}
self.lcd = LCD_Generic(lcd_settings_dict=lcd_settings_dict)
self.lcd.lcd_init()
self.logger.debug("LCD Function started")
except:
self.logger.exception("Starting LCD Function")
def loop(self):
if self.timer_loop > time.time():
return
while self.timer_loop < time.time():
self.timer_loop += self.period
if not self.lcd:
self.logger.error("LCD not set up")
return
# Generate lines to display
lines_display = {}
for line in range(lcd_lines):
lines_display[line] = ""
for current_line in self.line_sets[self.current_line_set]:
current_channel = (self.current_line_set * lcd_lines) + current_line
self.logger.debug("Channel: {}, Set: {} Line: {}, ".format(
current_channel, self.current_line_set, current_line))
try:
# Get measurement value and timestamp
if self.options_channels['line_display_type'][current_channel] in [
'measurement_value', 'measurement_ts']:
lines_display[current_line] = "NONE"
measure_ts = None
measure_value = None
last_measurement = self.get_last_measurement(
self.options_channels['select_measurement'][current_channel]['device_id'],
self.options_channels['select_measurement'][current_channel]['measurement_id'],
max_age=self.options_channels['measure_max_age'][current_channel])
if last_measurement:
measure_ts = last_measurement[0]
measure_value = last_measurement[1]
if self.options_channels['line_display_type'][current_channel] == 'measurement_value':
if measure_value:
if self.options_channels['measure_decimal'][current_channel] == 0:
val_rounded = int(self.options_channels['measure_decimal'][current_channel])
else:
val_rounded = round(
measure_value,
self.options_channels['measure_decimal'][current_channel])
lines_display[current_line] = format_measurement_line(
self.options_channels['select_measurement'][current_channel]['device_id'],
self.options_channels['select_measurement'][current_channel]['measurement_id'],
val_rounded, lcd_x_characters)
elif self.options_channels['line_display_type'][current_channel] == 'measurement_ts':
if measure_ts:
# Convert UTC timestamp to local timezone
utc_dt = datetime.datetime.strptime(
measure_ts.split(".")[0], '%Y-%m-%dT%H:%M:%S')
utc_timestamp = calendar.timegm(utc_dt.timetuple())
lines_display[current_line] = str(
datetime.datetime.fromtimestamp(utc_timestamp))
elif self.options_channels['line_display_type'][current_channel] == 'current_time':
lines_display[current_line] = time.strftime('%Y-%m-%d %H:%M:%S')
elif self.options_channels['line_display_type'][current_channel] == 'text':
lines_display[current_line] = self.options_channels['text'][current_channel]
elif self.options_channels['line_display_type'][current_channel] == 'blank_line':
lines_display[current_line] = ""
elif self.options_channels['line_display_type'][current_channel] == 'ip_address':
str_ip_cmd = "ip addr | " \
"grep 'state UP' -A2 | " \
"tail -n1 | " \
"awk '{print $2}' | " \
"cut -f1 -d'/'"
ip_out, _, _ = cmd_output(str_ip_cmd)
lines_display[current_line] = ip_out.rstrip().decode("utf-8")
except Exception as err:
self.logger.error(
"Error generating channel {} line: {}".format(
current_channel, err))
lines_display[current_line] = "ERROR"
if self.current_line_set == len(self.line_sets) - 1:
self.current_line_set = 0
else:
self.current_line_set += 1
self.logger.debug("Displaying: {}".format(lines_display))
# Display lines
self.lcd.lcd_init()
self.lcd.lcd_write_lines(
lines_display[0], lines_display[1], "", "")
def stop_function(self):
self.lcd.lcd_init()
self.lcd.lcd_write_lines(
"Mycodo {}".format(MYCODO_VERSION), "LCD Deactivated", "", "")
def initialize_variables(self):
lcd_dev = db_retrieve_table_daemon(LCD, unique_id=self.unique_id)
self.lcd_type = lcd_dev.lcd_type
self.lcd_name = lcd_dev.name
self.lcd_period = lcd_dev.period
self.lcd_x_characters = lcd_dev.x_characters
self.lcd_y_lines = lcd_dev.y_lines
self.timer = time.time() + self.lcd_period
self.backlight_timer = time.time()
self.log_level_debug = lcd_dev.log_level_debug
self.set_log_level_debug(self.log_level_debug)
# Add custom measurement and units to list
self.list_inputs = add_custom_measurements(
db_retrieve_table_daemon(Measurement, entry='all'))
self.list_inputs.update(
{'input_time': {'unit': None, 'name': 'Time'}})
self.list_inputs.update(
{'pid_time': {'unit': None, 'name': 'Time'}})
self.dict_units = add_custom_units(
db_retrieve_table_daemon(Unit, entry='all'))
lcd_data = db_retrieve_table_daemon(
LCDData).filter(LCDData.lcd_id == lcd_dev.unique_id).all()
for each_lcd_display in lcd_data:
self.display_sets.append(each_lcd_display.unique_id)
self.lcd_string_line[each_lcd_display.unique_id] = {}
self.lcd_line[each_lcd_display.unique_id] = {}
self.lcd_text[each_lcd_display.unique_id] = {}
self.lcd_max_age[each_lcd_display.unique_id] = {}
self.lcd_decimal_places[each_lcd_display.unique_id] = {}
for i in range(1, self.lcd_y_lines + 1):
self.lcd_string_line[each_lcd_display.unique_id][i] = ''
self.lcd_line[each_lcd_display.unique_id][i] = {}
if i == 1:
self.lcd_text[each_lcd_display.unique_id][i] = each_lcd_display.line_1_text
self.lcd_max_age[each_lcd_display.unique_id][i] = each_lcd_display.line_1_max_age
self.lcd_decimal_places[each_lcd_display.unique_id][i] = each_lcd_display.line_1_decimal_places
elif i == 2:
self.lcd_text[each_lcd_display.unique_id][i] = each_lcd_display.line_2_text
self.lcd_max_age[each_lcd_display.unique_id][i] = each_lcd_display.line_2_max_age
self.lcd_decimal_places[each_lcd_display.unique_id][i] = each_lcd_display.line_2_decimal_places
elif i == 3:
self.lcd_text[each_lcd_display.unique_id][i] = each_lcd_display.line_3_text
self.lcd_max_age[each_lcd_display.unique_id][i] = each_lcd_display.line_3_max_age
self.lcd_decimal_places[each_lcd_display.unique_id][i] = each_lcd_display.line_3_decimal_places
elif i == 4:
self.lcd_text[each_lcd_display.unique_id][i] = each_lcd_display.line_4_text
self.lcd_max_age[each_lcd_display.unique_id][i] = each_lcd_display.line_4_max_age
self.lcd_decimal_places[each_lcd_display.unique_id][i] = each_lcd_display.line_4_decimal_places
elif i == 5:
self.lcd_text[each_lcd_display.unique_id][i] = each_lcd_display.line_5_text
self.lcd_max_age[each_lcd_display.unique_id][i] = each_lcd_display.line_5_max_age
self.lcd_decimal_places[each_lcd_display.unique_id][i] = each_lcd_display.line_5_decimal_places
elif i == 6:
self.lcd_text[each_lcd_display.unique_id][i] = each_lcd_display.line_6_text
self.lcd_max_age[each_lcd_display.unique_id][i] = each_lcd_display.line_6_max_age
self.lcd_decimal_places[each_lcd_display.unique_id][i] = each_lcd_display.line_6_decimal_places
elif i == 7:
self.lcd_text[each_lcd_display.unique_id][i] = each_lcd_display.line_7_text
self.lcd_max_age[each_lcd_display.unique_id][i] = each_lcd_display.line_7_max_age
self.lcd_decimal_places[each_lcd_display.unique_id][i] = each_lcd_display.line_7_decimal_places
elif i == 8:
self.lcd_text[each_lcd_display.unique_id][i] = each_lcd_display.line_8_text
self.lcd_max_age[each_lcd_display.unique_id][i] = each_lcd_display.line_8_max_age
self.lcd_decimal_places[each_lcd_display.unique_id][i] = each_lcd_display.line_8_decimal_places
if self.lcd_y_lines in [2, 4, 8]:
self.setup_lcd_line(
each_lcd_display.unique_id, 1,
each_lcd_display.line_1_id,
each_lcd_display.line_1_measurement)
self.setup_lcd_line(
each_lcd_display.unique_id, 2,
each_lcd_display.line_2_id,
each_lcd_display.line_2_measurement)
if self.lcd_y_lines in [4, 8]:
self.setup_lcd_line(
each_lcd_display.unique_id, 3,
each_lcd_display.line_3_id,
each_lcd_display.line_3_measurement)
self.setup_lcd_line(
each_lcd_display.unique_id, 4,
each_lcd_display.line_4_id,
each_lcd_display.line_4_measurement)
if self.lcd_y_lines == 8:
self.setup_lcd_line(
each_lcd_display.unique_id, 5,
each_lcd_display.line_5_id,
each_lcd_display.line_5_measurement)
self.setup_lcd_line(
each_lcd_display.unique_id, 6,
each_lcd_display.line_6_id,
each_lcd_display.line_6_measurement)
self.setup_lcd_line(
each_lcd_display.unique_id, 7,
each_lcd_display.line_7_id,
each_lcd_display.line_7_measurement)
self.setup_lcd_line(
each_lcd_display.unique_id, 8,
each_lcd_display.line_8_id,
each_lcd_display.line_8_measurement)
if self.lcd_type in ['16x2_generic',
'20x4_generic']:
from mycodo.devices.lcd_generic import LCD_Generic
self.lcd_out = LCD_Generic(lcd_dev)
self.lcd_init()
elif self.lcd_type in ['16x2_grove_lcd_rgb']:
from mycodo.devices.lcd_grove_lcd_rgb import LCD_Grove_LCD_RGB
self.lcd_out = LCD_Grove_LCD_RGB(lcd_dev)
self.lcd_init()
elif self.lcd_type in ['128x32_pioled',
'128x64_pioled']:
from mycodo.devices.lcd_pioled import LCD_Pioled
self.lcd_out = LCD_Pioled(lcd_dev)
self.lcd_init()
elif self.lcd_type in ['128x32_pioled_circuit_python',
'128x64_pioled_circuit_python']:
from mycodo.devices.lcd_pioled_circuitpython import LCD_Pioled_Circuitpython
self.lcd_out = LCD_Pioled_Circuitpython(lcd_dev)
self.lcd_init()
else:
self.logger.error("Unknown LCD type: {}".format(self.lcd_type))
if self.lcd_initialized:
line_1 = 'Mycodo {}'.format(MYCODO_VERSION)
line_2 = 'Start {}'.format(self.lcd_name)
self.lcd_out.lcd_write_lines(line_1, line_2, '', '')