def run(self):
global current_value
next_value = 0.0
scrollphathd.set_font(font5x7)
scrollphathd.set_brightness(0.2)
scrollphathd.rotate(degrees=180)
while self.running:
if next_value == 0.0:
next_value_string = ""
else:
next_value_string = self.format_value(next_value)
if current_value == 0.0:
curr_value_string = "loading.. "
else:
curr_value_string = self.format_value(current_value)
next_value = current_value
string_to_display = curr_value_string + next_value_string
scrollphathd.clear()
str_len = scrollphathd.write_string(string_to_display)
for _ in range(str_len):
scrollphathd.show()
scrollphathd.scroll()
time.sleep(0.05)
def cleanup():
if utf8.is_active():
utf8.terminate()
if plasma.is_active():
plasma.terminate()
if message.is_active():
message.terminate()
scrollphathd.set_brightness(BRIGHTNESS)
scrollphathd.set_font(font5x7)
scrollphathd.clear()
scrollphathd.show()
def scroll_message(font, message):
scrollphathd.set_font(font)
scrollphathd.clear() # Clear the display and reset scrolling to (0, 0)
length = scrollphathd.write_string(message) # Write out your message
scrollphathd.show() # Show the result
time.sleep(0.5) # Initial delay before scrolling
length -= scrollphathd.width
# Now for the scrolling loop...
while length > 0:
scrollphathd.scroll(1) # Scroll the buffer one place to the left
scrollphathd.show() # Show the result
length -= 1
time.sleep(0.02) # Delay for each scrolling step
time.sleep(0.5) # Delay at the end of scrolling
#!/usr/bin/env python
import scrollphathd
from scrollphathd.api.http import scrollphathd_blueprint
from scrollphathd.fonts import font3x5
from flask import Flask
# Set the font
scrollphathd.set_font(font3x5)
# Set the brightness
scrollphathd.set_brightness(0.5)
# Uncomment the below if your display is upside down
# (e.g. if you're using it in a Pimoroni Scroll Bot)
scrollphathd.rotate(degrees=180)
if __name__ == "__main__":
app = Flask(__name__)
app.register_blueprint(scrollphathd_blueprint)
@app.route('/')
def index():
return """<html><head><title>Scroll pHAT HD - API Demo</title></head><body>
<h1>Scroll pHAT HD - API Demo</h1>
<p>This simple API demo shows you how to blend Scroll pHAT's HTTP API blueprint into a Flask application, so you can control your Scroll pHAT HD over HTTP.</p>
<fieldset><legend><b>Text</b></legend>
<form method="post" action="/show"><table style='width:100%'><tr>
<td style='width:100%'><input style='width:99%' type="text" name="text" value="Hello World"></td>
<td><input type="submit" value="Display"></td>
</tr></table></form>
</fieldset><fieldset><legend><b>Scroll</b></legend>
<div>
#!/usr/bin/env python
import time
import scrollphathd
from scrollphathd.fonts import font5x7unicode
scrollphathd.set_font(font5x7unicode)
print("""
Scroll pHAT HD: Simple Scrolling
A simple example showing a basic scrolling loop for scrolling
single messages across the display.
Press Ctrl+C to exit.
""")
def scroll_message(message):
scrollphathd.clear() # Clear the display and reset scrolling to (0, 0)
length = scrollphathd.write_string(message) # Write out your message
scrollphathd.show() # Show the result
time.sleep(0.5) # Initial delay before scrolling
length -= scrollphathd.width
# Now for the scrolling loop...
while length > 0:
scrollphathd.scroll(1) # Scroll the buffer one place to the left
scrollphathd.show() # Show the result
import zmq
import re
import scrollphathd
from scrollphathd.fonts import font3x5
from scrollphathd.fonts import font5x5
from scrollphathd.fonts import font5x7
from scrollphathd.fonts import font5x7smoothed
import fontorgan
import fonthachicro
import fontgauntlet
import fontd3
import fontmonkey
import fontball
scrollphathd.rotate(degrees=180)
scrollphathd.set_font( fontd3 )
font_width = fontd3.width
timeout = 0
scroll_time = 0
base_brightness = 1.0
show_ball = False
print( 'starting display server' )
context = zmq.Context()
socket = context.socket(zmq.PULL)
socket.bind('tcp://127.0.0.1:5555')
while True:
if socket.poll(10, zmq.POLLIN):
msg = socket.recv(zmq.NOBLOCK)
#print repr(msg)
c = 0
shp_y = 3
shp_y2 = 3
blt_x = 0
blt_x2 = 0
blt_y = 0
blt_y2 = 0
trg_x = 0
trg_x2 = 0
trg_y = 0
trg_y2 = 0
scr.set_brightness(bright)
scr.set_font(font=font5x7)
scr.set_clear_on_exit(value=True)
btn.set_pixel(0, 0, 0)
def show_msg(msg):
scr.clear()
scr.write_string(msg, x=0, y=0, brightness=bright)
scr.show()
time.sleep(delay * 20)
[bw, bh] = scr.get_buffer_shape()
for y in [1, -1, 1]:
for x in range(0, bw - width - 1):
scr.scroll(x=y, y=0)
import math
import scrollphathd
from scrollphathd.fonts import font5x5
from scrollphathd.fonts import font5x7
from six import unichr
from threading import Thread
scrollphathd.clear()
scrollphathd.show()
scrollphathd.rotate(degrees=180)
BRIGHTNESS = 0.3
scrollphathd.set_brightness(BRIGHTNESS)
scrollphathd.set_font(font5x7)
scrollphathd.write_string('Flask up')
class Plasma():
def __init__(self):
self._running = True
def terminate(self):
self._running = False
def is_active(self):
return self._running
def run(self):
self._running = True
