Multistrip versions for Musiclight Mini

knightrider_multistrip.py

@@ -2,12 +2,13 @@
 
 import sk6812_multistrip as sk6812
 import time
+import sys
 
 num_modules = 16
 
 interval = 1/60
 
-w = sk6812.SK6812("192.168.42.1", 2703)
+w = sk6812.SK6812(sys.argv[1], 2703)
 w.set_fadestep(0.20/interval)
 #w.set_num_modules(num_modules)
 
@@ -29,13 +30,17 @@ while True:
 
   set_colors[int(curModule[0])] = [0, 0, 0, 0]
   set_colors[int(curModule[1])] = [0, 0, 0, 0]
-  set_colors[num_modules-1-int(curModule[2])] = [0, 0, 0, 0]
+  #set_colors[num_modules-1-int(curModule[1])] = [0, 0, 0, 0]
-  set_colors[num_modules-1-int(curModule[3])] = [0, 0, 0, 0]
+  set_colors[int(curModule[2])] = [0, 0, 0, 0]
+  set_colors[int(curModule[3])] = [0, 0, 0, 0]
+  #set_colors[num_modules-1-int(curModule[3])] = [0, 0, 0, 0]
 
   set_colors[int(curModule[0])][0] = brightness
   set_colors[int(curModule[1])][1] = brightness
-  set_colors[num_modules-1-int(curModule[2])][2] = brightness
+  #set_colors[num_modules-1-int(curModule[1])][1] = brightness
-  set_colors[num_modules-1-int(curModule[3])][3] = brightness
+  set_colors[int(curModule[2])][2] = brightness
+  set_colors[int(curModule[3])][3] = brightness
+  #set_colors[num_modules-1-int(curModule[3])][3] = brightness
 
   for strip in range(8):
     for k in set_colors.keys():

rgbw_hsv_flame.py

@@ -10,7 +10,6 @@ from hsv2rgbw import hsv2rgbw
 import numpy as np
 
 s = sk6812.SK6812(sys.argv[1], 2703)
-s.set_fadestep(10)
 
 phase = 0
 nled = 16
@@ -71,6 +70,7 @@ loop = 0
 intensity = MAXENERGY_ADD
 
 while True:
+    s.set_fadestep(10)
 
     if loop % 5 == 0:
         intensity = random.randint(MAXENERGY_ADD*3//4, MAXENERGY_ADD*5//4)

rgbw_prime_sinus.py

@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 
 import sk6812_multistrip as sk6812
 import time
@@ -19,21 +19,37 @@ strip = 0
 
 tiltphase = 0
 
+seq = 0
+rxseq = 0
+lasttxtime = 0
+
 while True:
-  for i in range(nled):
-    for strip in range(nstrip):
-        x = 2*math.pi * i / nled
-        y = 2*math.pi * strip * 2*math.sin(tiltphase) / nstrip
-        r = scale * (127 + 127 * math.sin(y + x + 13*phase + 0 * math.pi/2))
-        g = scale * (127 + 127 * math.sin(y + x + 23*phase + 1 * math.pi/2))
-        b = scale * (127 + 127 * math.sin(y + x + 42*phase + 2 * math.pi/2))
-        w = scale * 0.6 * (127 + 127 * math.sin(y + x +  5*phase + 3 * math.pi/2))
 
-        s.set_color((strip+5)%nstrip, i, r, g, b, w)
+  rxseq = s.try_read_seq()
+  if rxseq != -1:
+    print(f"TX: {seq}, RX: {rxseq}")
 
-  s.commit()
+  now = time.time()
 
-  phase += 2*math.pi * interval / 41
+  if rxseq >= seq - 3 or (lasttxtime < now - 0.5):
-  tiltphase += 2*math.pi * interval / 11
+    lasttxtime = now
+
+    for i in range(nled):
+      for strip in range(nstrip):
+          x = 2*math.pi * i / nled
+          y = 2*math.pi * strip * 2*math.sin(tiltphase) / nstrip
+          r = scale * (127 + 127 * math.sin(y + x + 283*phase + 0 * math.pi/2))
+          g = scale * (127 + 127 * math.sin(y + x + 293*phase + 1 * math.pi/2))
+          b = scale * (127 + 127 * math.sin(y + x + 307*phase + 2 * math.pi/2))
+          w = scale * 0.6 * (127 + 127 * math.sin(y + x +  311*phase + 3 * math.pi/2))
+
+          s.set_color((strip+0)%nstrip, i, r, g, b, w)
+
+    s.ack_request(seq)
+    seq += 1
+    s.commit()
+
+  phase += 2*math.pi * interval / (739*1)
+  tiltphase += 2*math.pi * interval / (471/2)
   time.sleep(interval)
 

rgbw_sinus.py

@@ -3,8 +3,9 @@
 import sk6812_multistrip as sk6812
 import time
 import math
+import sys
 
-s = sk6812.SK6812("192.168.42.1", 2703)
+s = sk6812.SK6812(sys.argv[1], 2703)
 
 phase = 0
 nled = 16

rundumleuchte.py

@@ -3,22 +3,23 @@
 import sk6812_multistrip as sk6812
 import time
 import math
+import sys
 
 num_modules = 16
 num_strips = 8
 
-interval = 1/30
+interval = 1/20
 
-w = sk6812.SK6812("10.42.7.145", 2703)
+w = sk6812.SK6812(sys.argv[1], 2703)
-w.set_fadestep(0.80/interval)
 
-color = [255, 0, 255, 0]
+color = [0x20, 0x40, 0x00, 0x10]
 
 cur_strip = 0
 
 while True:
+  w.set_fadestep(int(0.80/interval))
   for k in range(num_modules):
-    f = math.sin(math.pi * k / num_modules)
+    f = 1#math.sin(math.pi * k / num_modules)
     w.add_color(cur_strip, k, f*color[0], f*color[1], f*color[2], f*color[3])
 
   for strip in range(8):

sk6812_multistrip.py

@@ -12,6 +12,7 @@ class SK6812Command:
   FADE_COLOR   = 1
   ADD_COLOR    = 2
   SET_FADESTEP = 3
+  ACK_REQUEST  = 255
 
   def __init__(self, action = SET_COLOR, strip = 0, module = 0, d0 = 0, d1 = 0, d2 = 0, d3 = 0):
     self.action = int(action)
@@ -33,6 +34,7 @@ class SK6812:
     family, socktype, proto, canonname, sockaddr = socket.getaddrinfo(host, port, 0, socket.SOCK_DGRAM)[0]
 
     self.__socket = socket.socket(family, socktype, proto)
+    self.__socket.settimeout(0.0) # nonblocking mode
     self.__socket.connect(sockaddr)
 
   def commit(self):
@@ -62,6 +64,21 @@ class SK6812:
     # add a "add to color" command
     self.__commands.append(SK6812Command(SK6812Command.ADD_COLOR, strip, module, r, g, b, w))
 
+  def ack_request(self, seq):
+    # add a "request for acknowledgement" command
+    self.__commands.append(SK6812Command(SK6812Command.ACK_REQUEST, 0, 0, (seq >> 8) & 0xFF, seq & 0xFF, 0, 0))
+
+  def try_read_seq(self):
+    try:
+      data = self.__socket.recv(2)
+    except socket.error:
+      return -1
+
+    if not data or len(data) != 2:
+      return -1
+    else:
+      return struct.unpack(">H", data)[0]
+
 if __name__ == "__main__":
   w = SK6812("192.168.2.222", 2703)
   w.set_fadestep(1);