stuff

update-calendar.py

@@ -0,0 +1,27 @@
+#!/usr/bin/env python3
+
+import calendar, datetime, os
+from inky import InkyPHAT_SSD1608
+from PIL import Image,ImageDraw,ImageFont
+
+inky_display = InkyPHAT_SSD1608("yellow")
+inky_display.set_border(inky_display.WHITE)
+
+def create_mask(source):
+    mask_image = Image.new("1", source.size)
+    w, h = source.size
+    for x in range(w):
+        for y in range(y):
+            p = source.getpixel((x, y))
+            print(str(p))
+    return mask_image
+
+font = Image.open(os.path.join(os.path.dirname(__file__), "gfx/calendar_font.png"))
+font_mask = create_mask(font)
+
+img = Image.new("P", (inky_display.WIDTH, inky_display.HEIGHT))
+draw = ImageDraw.Draw(img)
+
+draw.text((10, 10), 'hewwo', inky_display.YELLOW)
+inky_display.set_image(img)
+inky_display.show()

update-clock.py

@@ -0,0 +1,84 @@
+#!/usr/bin/env python3
+
+import os, sched, time
+from waveshare_epd import epd2in13_V2
+from inky import InkyPHAT_SSD1608
+from PIL import Image,ImageDraw,ImageFont
+
+curdir = os.path.dirname(os.path.realpath(__file__))
+gfxdir = os.path.join(curdir, 'gfx')
+
+scheduler = sched.scheduler(time.time, time.sleep)
+
+try:
+    # setup clock screen
+    clock_epd = epd2in13_V2.EPD()
+
+    # resources for clock screen
+    font_numbers = [ Image.open(os.path.join(gfxdir, '0.bmp')),
+            Image.open(os.path.join(gfxdir, '1.bmp')),
+            Image.open(os.path.join(gfxdir, '2.bmp')),
+            Image.open(os.path.join(gfxdir, '3.bmp')),
+            Image.open(os.path.join(gfxdir, '4.bmp')),
+            Image.open(os.path.join(gfxdir, '5.bmp')),
+            Image.open(os.path.join(gfxdir, '6.bmp')),
+            Image.open(os.path.join(gfxdir, '7.bmp')),
+            Image.open(os.path.join(gfxdir, '8.bmp')),
+            Image.open(os.path.join(gfxdir, '9.bmp'))
+        ]
+    font_separator = Image.open(os.path.join(gfxdir, 'separator.bmp'))
+
+    time_image = Image.new('1', (clock_epd.height, clock_epd.width), 255)
+    time_draw = ImageDraw.Draw(time_image)
+
+    # setup calendar screen
+
+
+except IOError as e:
+    print(e)
+    exit(2)
+
+def print_time(time, msg = ''):
+    print('{}{:02d}:{:02d}:{:02d}'.format(
+            msg, time.tm_hour, time.tm_min, time.tm_sec))
+
+def get_next_update_epoch():
+    cur_time_epoch = time.time()
+    cur_time = time.localtime(cur_time_epoch)
+    next_update_at_epoch = cur_time_epoch + 60 - cur_time.tm_sec
+    return next_update_at_epoch
+
+def update_display(refresh = False):
+    # do thing here
+    cur_time = time.localtime()
+    print_time(cur_time, 'updating at: ')
+
+    time_draw.rectangle((0, 0, 250, 122), fill = 255)
+    time_image.paste(font_numbers[int(cur_time.tm_hour // 10)], (13, 20))
+    time_image.paste(font_numbers[int(cur_time.tm_hour % 10)], (61, 20))
+    time_image.paste(font_separator, (109, 20))
+    time_image.paste(font_numbers[int(cur_time.tm_min // 10)], (141, 20))
+    time_image.paste(font_numbers[int(cur_time.tm_min % 10)], (189, 20))
+
+    if refresh:
+        clock_epd.init(clock_epd.FULL_UPDATE)
+        clock_epd.displayPartBaseImage(clock_epd.getbuffer(time_image.rotate(180)))
+    else:
+        clock_epd.init(clock_epd.PART_UPDATE)
+        clock_epd.displayPartial(clock_epd.getbuffer(time_image.rotate(180)))
+    clock_epd.sleep()
+
+    # schedule the next update, refresh the screen if the hour is gonna change
+    print_time(time.localtime(), 'updated at: ')
+    next_update_at_epoch = get_next_update_epoch()
+    print_time(time.localtime(next_update_at_epoch), 'next update at: ')
+    refresh = cur_time.tm_hour != time.localtime(next_update_at_epoch).tm_hour
+    scheduler.enterabs(next_update_at_epoch, 1, update_display, argument=(refresh,))
+
+# schedule the first update immediately and start the scheduler running
+scheduler.enter(0, 1, update_display, argument=(True,))
+try:
+    scheduler.run()
+except KeyboardInterrupt:
+    print('keyboard interrupt, quitting')
+    exit()