project reimplemented

pi/Makefile

@@ -0,0 +1,6 @@
+install:
+	chmod +x ./lc.py
+	cp lc.service /etc/systemd/system/
+	systemctl daemon-reload
+	systemctl enable --now lc.service
+	systemctl restart lc

pi/copy_to_pi.sh

@@ -0,0 +1,5 @@
+scp lc.py lc.service Makefile pi@192.168.188.76:~/
+ssh pi@192.168.188.76 'sudo make install'
+scp lc.py lc.service Makefile pi@192.168.188.64:~/
+ssh pi@192.168.188.76 'sudo make install'
+

pi/lc.py

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+#!/usr/bin/python3
+import socket
+import re
+import Adafruit_WS2801
+import Adafruit_GPIO.SPI as SPI
+import RPi.GPIO as GPIO
+
+
+PIXEL_COUNT = 32
+
+SPI_PORT = 0
+SPI_DEVICE = 0
+pixels = Adafruit_WS2801.WS2801Pixels(PIXEL_COUNT, spi=SPI.SpiDev(SPI_PORT, SPI_DEVICE), gpio=GPIO)
+
+def hex_to_rgb(hex):
+    r = int(hex[0:2],16)
+    g = int(hex[2:4],16)
+    b = int(hex[4:6],16)
+    return r,g,b
+
+
+reg = re.compile("[0-9a-f]{6}$")
+
+host = "0.0.0.0"
+port = 5000
+
+s = socket.socket()
+s.bind((host, port))
+s.listen(1)
+
+while True:
+    conn, address = s.accept()
+    print("Connection from: ", str(address))
+    
+    while True:
+        data = conn.recv(1024).decode()
+        if not data:
+            print("Disconneted: ", str(address))
+            break
+        
+        if reg.match(data):
+            print("set color", data)
+            for i in range(PIXEL_COUNT):
+                pixels.set_pixel_rgb(i, *hex_to_rgb(data))
+            pixels.show()
+
+        elif data == 'PING':
+            conn.send('PONG'.encode())
+        else:
+            print(data, "incorrect format. use hex color code.")
+            break
+    conn.close()

pi/lc.service

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+[Unit]
+Description=Start Light Controll as Daemon
+After=multi-user.target
+
+[Service]
+Type=simple
+User=pi
+Group=pi
+SyslogIdentifier=lc
+Restart=on-failure
+RestartSec=2
+WorkingDirectory=/home/pi
+ExecStart=/home/pi/lc.py
+SyslogIdentifier=pyserver
+StandardOutput=syslog
+StandardError=syslog
+
+[Install]
+WantedBy=multi-user.target