Add the configuration and python files to the repo

wired_wrong.py

@@ -0,0 +1,118 @@
+#!/usr/bin/env python
+
+"""
+Message to inform the project manager this was done wrong.
+"""
+
+import time
+from datetime import datetime
+
+from luma.led_matrix.device import max7219
+from luma.core.interface.serial import spi, noop
+from luma.core.virtual import viewport, sevensegment
+
+
+def date(seg):
+    """
+    Display current date on device.
+    """
+    now = datetime.now()
+    seg.text = now.strftime("%y-%m-%d")
+
+
+def clock(seg, seconds):
+    """
+    Display current time on device.
+    """
+    interval = 0.5
+    for i in range(int(seconds / interval)):
+        now = datetime.now()
+        seg.text = now.strftime("%H-%M-%S")
+
+        # calculate blinking dot
+        if i % 2 == 0:
+            seg.text = now.strftime("%H-%M-%S")
+        else:
+            seg.text = now.strftime("%H %M %S")
+
+        time.sleep(interval)
+
+
+def show_message_vp(device, msg, delay=0.1):
+    # Implemented with virtual viewport
+    width = device.width
+    padding = " " * width
+    msg = padding + msg + padding
+    n = len(msg)
+
+    virtual = viewport(device, width=n, height=8)
+    sevensegment(virtual).text = msg
+    for i in reversed(list(range(n - width))):
+        virtual.set_position((i, 0))
+        time.sleep(delay)
+
+
+def show_message_alt(seg, msg, delay=0.1):
+    # Does same as above but does string slicing itself
+    width = seg.device.width
+    padding = " " * width
+    msg = padding + msg + padding
+
+    for i in range(len(msg)):
+        seg.text = msg[i:i + width]
+        time.sleep(delay)
+
+
+def main():
+    # create seven segment device
+    serial = spi(port=0, device=0, gpio=noop())
+    device = max7219(serial, cascaded=1)
+    seg = sevensegment(device)
+
+    #print('Simple text...')
+    #for _ in range(8):
+    #    seg.text = "HELLO"
+    #    time.sleep(0.6)
+    #    seg.text = " GOODBYE"
+    #    time.sleep(0.6)
+
+    # Digit slicing
+    #print("Digit slicing")
+    #seg.text = "_" * seg.device.width
+    #time.sleep(1.0)
+
+    #for i, ch in enumerate([9, 8, 7, 6, 5, 4, 3, 2]):
+    #    seg.text[i] = str(ch)
+    #    time.sleep(0.6)
+
+    #for i in range(len(seg.text)):
+    #    del seg.text[0]
+    #    time.sleep(0.6)
+
+    # Scrolling Alphabet Text
+    #print('Scrolling alphabet text...')
+    #show_message_vp(device, "HELLO EVERYONE!")
+    #show_message_vp(device, "PI is 3.14159 ... ")
+    #show_message_vp(device, "IP is 127.0.0.1 ... ")
+    #show_message_alt(seg, "0123456789 abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ")
+    # Inform the manager that this was wired wrong.
+    while True:
+        show_message_vp(device, "YOU WIRED THIS WRONG")
+        time.sleep(1)
+
+    # Digit futzing
+    #date(seg)
+    #time.sleep(5)
+    #clock(seg, seconds=10)
+
+    # Brightness
+    #print('Brightness...')
+    #for x in range(5):
+    #    for intensity in range(16):
+    #        seg.device.contrast(intensity * 16)
+    #        time.sleep(0.1)
+    #device.contrast(0x7F)
+
+
+if __name__ == '__main__':
+    main()