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135 | from machine import Pin, I2C
from sh1106 import SH1106_I2C
from utime import sleep, localtime
# OLED DATA Pin on GPIO 0
OLED_SH11306_SDA_PIN = 0
# OLED Clock Pin on GPIO 1
OLED_SH11306_SCL_PIN = 1
sda=Pin(OLED_SH11306_SDA_PIN, Pin.OUT)
scl=Pin(OLED_SH11306_SCL_PIN, Pin.OUT)
# freq=30000 (30K) to 4000000 (4M) seem to work. Use 3000000 (3M) as a safe option.
i2c = I2C(0, scl=scl, sda=sda, freq=3000000)
# Initialize display (128x64 pixels)
oled = SH1106_I2C(128, 64, i2c)
oled.rotate(180)
segmentMapping = [
#a, b, c, d, e, f, g
[1, 1, 1, 1, 1, 1, 0], # 0
[0, 1, 1, 0, 0, 0, 0], # 1
[1, 1, 0, 1, 1, 0, 1], # 2
[1, 1, 1, 1, 0, 0, 1], # 3
[0, 1, 1, 0, 0, 1, 1], # 4
[1, 0, 1, 1, 0, 1, 1], # 5
[1, 0, 1, 1, 1, 1, 1], # 6
[1, 1, 1, 0, 0, 0, 0], # 7
[1, 1, 1, 1, 1, 1, 1], # 8
[1, 1, 1, 1, 0, 1, 1] # 9
];
# x and y are upper-left-corner
# width and height are the dimensions of the digit
# thinkness is the width of the line segments
# color is 1 for white and 0 for black
def drawDigit(digit, x, y, width, height, thinkness, color):
if digit < 0:
return
# get a list of the segments that are on for this digit
segmentOn = segmentMapping[digit];
# Draw the horizontal segments: top, bottem, middle
for i in [0, 3, 6]:
if (segmentOn[i]):
if (i==0): # top
yOffset = 0
if (i==3):
yOffset = height - thinkness # bottem element
if (i==6):
yOffset = height // 2 - thinkness // 2# bottum
# oled.line(x - size, y+yOffset-size, x + size, y+yOffset-size, 1);
oled.fill_rect(x, y+yOffset, width, thinkness, color)
# Draw the vertical segments ur, lr, ll, ul
for i in [1, 2, 4, 5]:
if (segmentOn[i]) :
# upper vertical lines
if (i==1 or i==5):
startY = y
endY = y + height // 2
# lower two vertical lines (2=lower right and 4=lower left)
if (i==2 or i==4):
startY = y + height // 2
endY = y + height
if (i==4 or i==5): xOffset = 0
if (i==1 or i==2): xOffset = width-thinkness
oled.fill_rect(x+xOffset, startY, thinkness, endY-startY, color)
def update_screen(year, month, day, hour, minute, am_pm, colon_on):
## Adjust these to fit the display
left_margin = -28
y_offset = 11
digit_width = 33
digit_height = 40
digit_spacing = 41
digit_thickness = 5
oled.fill(0)
date_str = f"{month}/{day}/{year}"
oled.text(date_str, 0, 0, 1)
if hour > 12:
hour = hour - 12
if hour > 10:
hour_ten = 1
else:
hour_ten = -1
hour_right = hour % 10
minute_ten = minute // 10
minute_right = minute % 10
# left digit will be 1 or blank
drawDigit(hour_ten, left_margin, y_offset, digit_width, digit_height, digit_thickness, 1)
drawDigit(hour_right, left_margin + 1*digit_spacing-2, y_offset, digit_width, digit_height, digit_thickness, 1)
drawDigit(minute_ten, left_margin + 2*digit_spacing, y_offset, digit_width, digit_height, digit_thickness, 1)
drawDigit(minute_right, left_margin + 3*digit_spacing, y_offset, digit_width, digit_height, digit_thickness, 1)
if colon_on:
draw_colon(47,20)
pm_xoffset = 106
pm_yoffset = 55
oled.text(am_pm, pm_xoffset, pm_yoffset, 1)
oled.show()
def draw_colon(x,y):
oled.fill_rect(x, y, 3, 3, 1)
oled.fill_rect(x, y+14, 3, 3, 1)
counter = 0
while True:
now = localtime()
year = now[0]
month = now[1]
day = now[2]
hour = now[3]
if hour > 12:
am_pm = "PM"
else:
am_pm = "AM"
minute = now[4]
update_screen(year, month, day, hour, minute, am_pm, True)
sleep(1)
update_screen(year, month, day, hour, minute, am_pm, False)
sleep(1)
counter += 1
if counter > 9:
counter = 0
|
