96 lines
3.3 KiB
Python
96 lines
3.3 KiB
Python
|
# https://learn.adafruit.com/micropython-hardware-ssd1306-oled-display/software
|
||
|
|
import time
|
||
|
|
from machine import I2C, Pin
|
||
|
|
from .ssd1306 import SSD1306_I2C
|
||
|
|
|
||
|
|
class Display:
|
||
|
|
|
||
|
|
def __init__(self,
|
||
|
|
width = 128, height = 64,
|
||
|
|
scl_pin_id = 15, sda_pin_id = 4,
|
||
|
|
freq = 400000):
|
||
|
|
|
||
|
|
self.width = width
|
||
|
|
self.height = height
|
||
|
|
self.poweron()
|
||
|
|
self.i2c = I2C(scl = Pin(scl_pin_id, Pin.OUT),
|
||
|
|
sda = Pin(sda_pin_id),
|
||
|
|
freq = freq)
|
||
|
|
self.display = SSD1306_I2C(width, height, self.i2c)
|
||
|
|
self.show = self.display.show
|
||
|
|
|
||
|
|
def poweron(self, pin=16):
|
||
|
|
pin_reset = Pin(pin, mode=Pin.OUT)
|
||
|
|
pin_reset.value(0)
|
||
|
|
time.sleep_ms(50)
|
||
|
|
pin_reset.value(1)
|
||
|
|
|
||
|
|
def clear(self):
|
||
|
|
self.display.fill(0)
|
||
|
|
self.display.show()
|
||
|
|
|
||
|
|
|
||
|
|
def show_text(self, text, x = 0, y = 0, clear_first = True, show_now = True, hold_seconds = 0):
|
||
|
|
if clear_first: self.display.fill(0)
|
||
|
|
self.display.text(text, x, y)
|
||
|
|
if show_now:
|
||
|
|
self.display.show()
|
||
|
|
if hold_seconds > 0: time.sleep(hold_seconds)
|
||
|
|
|
||
|
|
|
||
|
|
def wrap(self, text, start_line = 0,
|
||
|
|
height_per_line = 8, width_per_char = 8,
|
||
|
|
start_pixel_each_line = 0):
|
||
|
|
|
||
|
|
chars_per_line = self.width//width_per_char
|
||
|
|
max_lines = self.height//height_per_line - start_line
|
||
|
|
lines = [(text[chars_per_line*line: chars_per_line*(line+1)], start_pixel_each_line, height_per_line*(line+start_line))
|
||
|
|
for line in range(max_lines)]
|
||
|
|
|
||
|
|
return lines
|
||
|
|
|
||
|
|
|
||
|
|
def draw_logo(self, x_pos=0):
|
||
|
|
font_height = 50
|
||
|
|
min_x = x_pos
|
||
|
|
min_y = 10
|
||
|
|
|
||
|
|
self.display.fill(0)
|
||
|
|
|
||
|
|
self.display.fill_rect(min_x, min_y + font_height//2, 5, font_height//2, 1)
|
||
|
|
self.display.fill_rect(min_x, min_y + font_height//4, 5, 5, 1)
|
||
|
|
|
||
|
|
xshift = 10
|
||
|
|
|
||
|
|
self.display.rect(xshift + min_x, min_y, 5, font_height, 1)
|
||
|
|
self.display.rect(xshift + min_x + 4, min_y, font_height//2, font_height//2, 1)
|
||
|
|
self.display.line(xshift + min_x + 5, min_y + font_height//2, xshift + min_x + 5 + font_height//2, min_y + font_height, 1)
|
||
|
|
self.display.show()
|
||
|
|
|
||
|
|
def show_text_wrap(self, text,
|
||
|
|
start_line = 0, height_per_line = 8, width_per_char = 8, start_pixel_each_line = 0,
|
||
|
|
clear_first = True, show_now = True, hold_seconds = 0):
|
||
|
|
|
||
|
|
if clear_first: self.clear()
|
||
|
|
|
||
|
|
for line, x, y in self.wrap(text, start_line, height_per_line, width_per_char, start_pixel_each_line):
|
||
|
|
self.show_text(line, x, y, clear_first = False, show_now = False)
|
||
|
|
|
||
|
|
if show_now:
|
||
|
|
self.display.show()
|
||
|
|
if hold_seconds > 0: time.sleep(hold_seconds)
|
||
|
|
|
||
|
|
|
||
|
|
def show_datetime(self, year, month, day, hour, minute, second):
|
||
|
|
datetime = [year, month, day, hour, minute, second]
|
||
|
|
datetime_str = ["{0:0>2}".format(d) for d in datetime]
|
||
|
|
|
||
|
|
self.show_text(text = '-'.join(datetime_str[:3]),
|
||
|
|
x = 0, y = 0, clear_first = True, show_now = False)
|
||
|
|
self.show_text(text = ':'.join(datetime_str[3:6]),
|
||
|
|
x = 0, y = 10, clear_first = False, show_now = True)
|
||
|
|
|
||
|
|
|
||
|
|
def show_time(self, year, month, day, hour, minute, second):
|
||
|
|
self.show_datetime(year, month, day, hour, minute, second)
|