def initialise(settings=configuration.oled.settings):
global oled, width, height, font_size, bottom_row, lock_title
parameter = configuration.boot.parameter
Pin(int(settings["enable_pin"]), Pin.OUT).value(1)
scl_pin = int(settings["scl_pin"])
sda_pin = int(settings["sda_pin"])
width = int(settings["width"])
height = int(settings["height"])
font_size = int(settings["font_size"])
bottom_row = height - font_size
i2c = machine.I2C(scl=Pin(scl_pin), sda=Pin(sda_pin))
# i2c.scan()
oled = ssd1306.SSD1306_I2C(width, height, i2c)
oled.fill(bg)
write_title()
lock_title = parameter("lock_title", settings)
mqtt.add_message_handler(on_oled_message, "$me/in")
if parameter("logger_enabled"):
mqtt.add_message_handler(on_oled_log_message, "$all/log")
def on_oled_message(topic, payload_in):
if payload_in == "(oled:clear)":
oled.fill(bg)
oled.show()
return True
if payload_in.startswith("(oled:log "):
log(payload_in[10:-1])
return True
if payload_in.startswith("(oled:pixel "):
tokens = [int(token) for token in payload_in[12:-1].split()]
oled.pixel(tokens[0], height - tokens[1] - 1, fg)
oled.show()
return True
if payload_in.startswith("(oled:text "):
tokens = payload_in[11:-1].split()
text = " ".join(tokens[2:])
oled.text(text, int(tokens[0]), height - font_size - int(tokens[1]), fg)
oled.show()
return True
return False
def test(text="Line "):
for oled in oleds:
oled.fill(bg)
for y in range(0, height, font_size):
oleds_text(text + str(y), 0, y, fg)
oleds_show()
def oleds_clear(color):
for oled in oleds:
oled.fill(color)
oleds_show()
if lock_title: write_title()
def oleds_clear(color=BG, write=True):
for oled in oleds:
oled.fill(color)
if write: oleds_show()
def oleds_clear(bg):
for oled in oleds:
oled.fill(bg)
oled.show()
if lock_title: write_title()
def oleds_clear(bg):
for oled in oleds:
oled.fill(bg)
oled.show()