support for epd2in7v2

configuration.cfg

@@ -8,10 +8,11 @@ currency                 : BTC-USD
 
 # Enabled screens or devices
 screens : [
-    epd2in13v2
+#    epd2in13v2
 #    epd2in13v3
 #    epd2in13bv3
 #    epd2in7
+    epd2in7v2
 #    epd3in7
 #    picture
 #    inkyWhatRBW
@@ -32,6 +33,9 @@ mode : line
 [epd2in7]
 mode : candle
 
+[epd2in7v2]
+mode : candle
+
 [epd3in7]
 mode : candle
 

presentation/screens/__init__.py

@@ -1 +1 @@
-from . import epd2in13v2, epd2in13v3, epd2in13bv3, epd2in7, epd3in7, picture, inkywhatrbw
+from . import epd2in13v2, epd2in13v3, epd2in13bv3, epd2in7, epd2in7v2, epd3in7, picture, inkywhatrbw

presentation/screens/epd2in7v2.py

@@ -0,0 +1,58 @@
+import os
+
+from PIL import Image, ImageDraw, ImageFont
+try:
+    from waveshare_epd import epd2in7_V2 
+except ImportError:
+    pass
+from data.plot import Plot
+from presentation.observer import Observer
+
+SCREEN_HEIGHT = 176
+SCREEN_WIDTH = 264
+
+FONT_SMALL = ImageFont.truetype(
+    os.path.join(os.path.dirname(__file__), os.pardir, 'Roses.ttf'), 8)
+FONT_LARGE = ImageFont.truetype(
+    os.path.join(os.path.dirname(__file__), os.pardir, 'PixelSplitter-Bold.ttf'), 26)
+
+class Epd2in7v2(Observer):
+
+    def __init__(self, observable, mode):
+        super().__init__(observable=observable)
+        self.epd = self._init_display()
+        self.screen_image = Image.new('1', (SCREEN_WIDTH, SCREEN_HEIGHT), 255)
+        self.screen_draw = ImageDraw.Draw(self.screen_image)
+        self.mode = mode
+
+    @staticmethod
+    def _init_display():
+        epd = epd2in7_V2.EPD()
+        epd.init()
+        epd.Clear()
+        return epd
+
+    def form_image(self, prices, screen_draw):
+        screen_draw.rectangle((0, 0, SCREEN_WIDTH, SCREEN_HEIGHT), fill="#ffffff")
+        screen_draw = self.screen_draw
+        if self.mode == "candle":
+            Plot.candle(prices, size=(SCREEN_WIDTH - 45, 148), position=(41, 0), draw=screen_draw)
+        else:
+            last_prices = [x[3] for x in prices]
+            Plot.line(last_prices, size=(SCREEN_WIDTH - 42, 93), position=(42, 0), draw=screen_draw)
+
+        flatten_prices = [item for sublist in prices for item in sublist]
+        Plot.y_axis_labels(flatten_prices, FONT_SMALL, (0, 0), (38, 144), draw=screen_draw)
+        screen_draw.line([(10, 153), (254, 153)])
+        screen_draw.line([(39, 4), (39, 149)])
+        screen_draw.line([(60, 157), (60, 174)])
+
+        Plot.caption(flatten_prices[len(flatten_prices) - 1], 150, SCREEN_WIDTH, FONT_LARGE, screen_draw)
+
+    def update(self, data):
+        self.form_image(data, self.screen_draw)
+        screen_image_rotated = self.screen_image.rotate(180)
+        self.epd.display(self.epd.getbuffer(screen_image_rotated))
+
+    def close(self):
+        epd2in7_V2.epdconfig.module_exit()