commit 82552df78bc40de87e59608e561194521fa85d59
Author: parazyd <parazyd@dyne.org>
Date: Fri, 19 Feb 2021 16:12:08 +0100
Commit code.
Diffstat:
9 files changed, 397 insertions(+), 0 deletions(-)
diff --git a/LICENSE b/LICENSE
@@ -0,0 +1,22 @@
+MIT License
+
+Copyright (c) 2021 parazyd <parazyd@dyne.org>
+Copyright (c) 2020 llvll
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/README.md b/README.md
@@ -0,0 +1,4 @@
+eInk Bitcoin price ticker
+=========================
+
+Adapted from https://github.com/llvllch/btcticker
diff --git a/fonts/PixelSplitter-Bold.ttf b/fonts/PixelSplitter-Bold.ttf
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diff --git a/fonts/googlefonts/LICENSE.txt b/fonts/googlefonts/LICENSE.txt
@@ -0,0 +1,202 @@
+
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diff --git a/fonts/googlefonts/Roboto-Light.ttf b/fonts/googlefonts/Roboto-Light.ttf
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diff --git a/fonts/googlefonts/Roboto-Medium.ttf b/fonts/googlefonts/Roboto-Medium.ttf
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diff --git a/images/ATH.bmp b/images/ATH.bmp
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diff --git a/images/currency/bitcoin.bmp b/images/currency/bitcoin.bmp
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diff --git a/ticker.py b/ticker.py
@@ -0,0 +1,169 @@
+#!/usr/bin/env python3
+# Copyright (c) 2021 parazyd
+# Copyright (c) 2020 llvll
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to deal
+# in the Software without restriction, including without limitation the rights
+# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included in
+# all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+# SOFTWARE.
+"""
+Program to create a bitcoin ticker bitmap and show it on a waveshare 2in13_V2
+eink screen (https://www.waveshare.com/wiki/2.13inch_e-Paper_HAT)
+"""
+
+import sys
+from os.path import join, dirname, realpath
+from time import time, strftime, sleep
+import matplotlib as mpl
+import matplotlib.pyplot as plt
+import numpy as np
+from PIL import Image, ImageFont, ImageDraw
+import requests
+from waveshare_epd import epd2in13_V2
+mpl.use('Agg')
+
+picdir = join(dirname(realpath(__file__)), 'images')
+fontdir = join(dirname(realpath(__file__)), 'fonts')
+font = ImageFont.truetype(join(fontdir, 'googlefonts/Roboto-Medium.ttf'), 40)
+font_date = ImageFont.truetype(join(fontdir, 'PixelSplitter-Bold.ttf'), 11)
+
+API = 'https://api.coingecko.com/api/v3/coins'
+
+
+def get_data(other):
+ """ Grab data from API """
+ days_ago = 7
+ endtime = int(time())
+ starttime = endtime - 60*60*24*days_ago
+
+ geckourl = '%s/markets?vs_currency=%s&ids=%s' % (API, 'usd', 'bitcoin')
+ liveprice = requests.get(geckourl).json()[0]
+ pricenow = float(liveprice['current_price'])
+ alltimehigh = float(liveprice['ath'])
+ other['volume'] = float(liveprice['total_volume'])
+
+ url_hist = '%s/%s/market_chart/range?vs_currency=%s&from=%s&to=%s' % (
+ API, 'bitcoin', 'usd', str(starttime), str(endtime))
+
+ timeseriesarray = requests.get(url_hist).json()['prices']
+ timeseriesstack = []
+ length = len(timeseriesarray)
+ i = 0
+ while i < length:
+ timeseriesstack.append(float(timeseriesarray[i][1]))
+ i += 1
+
+ timeseriesstack.append(pricenow)
+ if pricenow > alltimehigh:
+ other['ATH'] = True
+ else:
+ other['ATH'] = False
+ return timeseriesstack
+
+
+def make_spark(pricestack):
+ """ Make a historical plot """
+ _x = pricestack - np.mean(pricestack)
+ fig, _ax = plt.subplots(1, 1, figsize=(10, 3))
+ plt.plot(_x, color='k', linewidth=6)
+ plt.plot(len(_x)-1, _x[-1], color='r', marker='o')
+
+ for _, i in _ax.spines.items():
+ i.set_visible(False)
+ _ax.set_xticks = ([])
+ _ax.set_yticks = ([])
+ _ax.axhline(c='k', linewidth=4, linestyle=(0, (5, 2, 1, 2)))
+
+ plt.savefig(join(picdir, 'spark.png'), dpi=17)
+ imgspk = Image.open(join(picdir, 'spark.png'))
+ file_out = join(picdir, 'spark.bmp')
+ imgspk.save(file_out)
+ plt.clf()
+ _ax.cla()
+ plt.close(fig)
+
+
+def update_display(pricestack, other, epd):
+ """ Create an image from the data and send it to the display """
+ days_ago = 7
+ pricenow = pricestack[-1]
+ currencythumbnail = 'currency/bitcoin.bmp'
+ tokenfilename = join(picdir, currencythumbnail)
+ sparkbitmap = Image.open(join(picdir, 'spark.bmp'))
+ athbitmap = Image.open(join(picdir, 'ATH.bmp'))
+ tokenimage = Image.open(tokenfilename)
+
+ pricechange = str('%+d' % round(
+ (pricestack[-1]-pricestack[0]) / pricestack[-1]*100, 2))+'%'
+ if pricenow > 1000:
+ pricenowstring = format(int(pricenow), ',')
+ else:
+ pricenowstring = str(float('%.5g' % pricenow))
+
+ image = Image.new('L', (250, 122), 255)
+ draw = ImageDraw.Draw(image)
+ if other['ATH'] is True:
+ image.paste(athbitmap, (15, 30))
+ else:
+ image.paste(tokenimage, (0, 15))
+
+ image.paste(sparkbitmap, (80, 15))
+ draw.text((130, 66), str(days_ago) + 'day : ' + pricechange,
+ font=font_date, fill=0)
+ draw.text((96, 73), '$'+pricenowstring, font=font, fill=0)
+
+ draw.text((95, 5), str(strftime('%H:%M %a %d %b %Y')), font=font_date,
+ fill=0)
+
+ # image.save('pic.bmp')
+ epd.display(epd.getbuffer(image))
+
+
+def main():
+ """ main routine """
+ def fullupdate(epd):
+ other = {}
+ pricestack = get_data(other)
+ make_spark(pricestack)
+ update_display(pricestack, other, epd)
+ lastgrab = time()
+ return lastgrab
+
+ try:
+ data_pulled = False
+ lastcoinfetch = time()
+
+ epd = epd2in13_V2.EPD()
+ epd.init(epd.FULL_UPDATE)
+ epd.Clear(0xFF)
+ # epd = None
+
+ while True:
+ if (time() - lastcoinfetch > float(120)) or data_pulled is False:
+ lastcoinfetch = fullupdate(epd)
+ data_pulled = True
+ sleep(5)
+ except KeyboardInterrupt:
+ epd.sleep()
+ epd.Dev_exit()
+ epd2in13_V2.epdconfig.module_exit()
+ return 1
+
+ return 1
+
+
+if __name__ == '__main__':
+ sys.exit(main())
