switch between chromecasts with encoder button

esp8266/boot.py

@@ -1,16 +1,12 @@
 # This file is executed on every boot (including wake-boot from deepsleep)
-#import esp
-#esp.osdebug(None)
+
 import gc
 import utime as time
-#import webrepl
-#webrepl.start()
+import wificonf
+
+ssid = wificonf.WIFI_SSID 
+passw = wificonf.WIFI_PASSWORD 
 
-########################
-# Wifi passwords here: #
-WIFI_SSID = 'TP-LINK_E180'
-WIFI_PASSWORD = 'borz52KAI?'
-########################
 def timed(func):
     def wrapper():
         start = start = time.ticks_ms() # get millisecond counter
@@ -28,7 +24,7 @@ def do_connect():
     if not sta_if.isconnected():
         print('connecting to network...')
         sta_if.active(True)
-        sta_if.connect(WIFI_SSID, WIFI_PASSWORD)
+        sta_if.connect(ssid, passw)
         while not sta_if.isconnected():
             pass
             #machine.idle()

esp8266/main.py

@@ -3,32 +3,44 @@
 import machine
 import esp
 import volume
-
+import wificonf
 #ToDo 
 #add exceptions and error handling
 
-cast_ip = ('192.168.0.164', '192.168.0.165')
-cast_name  = ('SH6', 'Chromecast')
+cast_ip = list(wificonf.CHROMECASTS.keys())
+
+cast_name  = wificonf.CHROMECASTS
+
+
+
+def cycle(p):
+    try:
+        len(p)
+    except TypeError:
+        # len() is not defined for this type. Assume it is
+        # a finite iterable so we must cache the elements.
+        cache = []
+        for i in p:
+            yield i
+            cache.append(i)
+        p = cache
+    while p:
+        yield from p
+
+chromecast = cycle(cast_ip)
+
 def main():
     enc = Encoder(12, 13, clicks=2, reverse=True)
     np = volume.NeoPixelRing(4, machine.Pin(15), 16)
-    switch = machine.Pin(14, machine.Pin.IN, machine.Pin.PULL_UP)
     button = machine.Pin(5, machine.Pin.IN)
-    print(cast_ip[switch.value()])
-
-    cast = volume.Chromecast(cast_ip[switch.value()])
+    cast = volume.Chromecast(next(chromecast))
 
-    current_switch = switch.value()
-    print("switch on @ boot", switch.value(), cast_name[switch.value()])
-
-    vol = cast.get_volume
-    current_vol = vol
-    print('current volume:', current_vol)
-    enc.set_val(vol)
-
-    last_enc_val = vol
+    current_vol = cast.get_volume
+    print('Connected to:', cast_name[next(chromecast)], next(chromecast), 'current vol:', current_vol)
+    enc.set_val(current_vol)
+    last_enc_val = current_vol
     last_change_tick = time.ticks_ms()
-    np.set_vol(vol)
+    np.set_vol(current_vol)
     req = 1
 
     while True:
@@ -46,31 +58,23 @@ def main():
             current_vol = cast.get_volume
             print('current volume:', current_vol)
 
-        #CHANGING CHROMECAST
-        if switch.value() != current_switch:
-            #####
-            np.error()
-            #####
-            current_switch = switch.value()
-            cast.disconnect()
-            cast = volume.Chromecast(cast_ip[current_switch])
-            vol = cast.get_volume
-            current_vol = vol
-            enc.set_val(vol)
-            last_change_tick = time.ticks_ms()
-            print('switched to chromecast no:', current_switch, 'current vol:', vol, cast_name[current_switch])
-
         #SLEEP AFTER DELAY
         if (time.ticks_diff(time.ticks_ms(), last_change_tick) > 10000): #10 sec
             cast.disconnect()
             np.turn_off()
             print("SLEEP")
             esp.deepsleep()
+
+        #CHANGING CHROMECAST WITH ENCODER BUTTON
         if button.value():
-            #np.error()
             print("BUTTON PRESSED")
-            last_change_tick = time.ticks_ms()
             np.fill_color((255,0,255))
+            cast.disconnect()
+            cast = volume.Chromecast(next(chromecast))
+            current_vol = cast.get_volume
+            enc.set_val(current_vol)
+            print('switched to:', cast_name[next(chromecast)], next(chromecast), 'current vol:', current_vol)
+            last_change_tick = time.ticks_ms()
             time.sleep_ms(500)
             np.set_vol(val)
 

esp8266/volume.py

@@ -16,7 +16,7 @@
         7:b'\x00\x00\x00\x84\x08\x00\x12\x08sender-0\x1a\nreceiver-0"#urn:x-cast:com.google.cast.receiver(\x002C{"type": "SET_VOLUME", "volume": {"level": ###}, "requestId": $$$}',
         8:b'\x00\x00\x00\x85\x08\x00\x12\x08sender-0\x1a\nreceiver-0"#urn:x-cast:com.google.cast.receiver(\x002D{"type": "SET_VOLUME", "volume": {"level": ###}, "requestId": $$$}'}
 
-gamma8 = (0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
+GAMMA8 = (0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
             0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  1,  1,  1,  1,
             1,  1,  1,  1,  1,  1,  1,  1,  1,  2,  2,  2,  2,  2,  2,  2,
             2,  3,  3,  3,  3,  3,  3,  3,  4,  4,  4,  4,  4,  5,  5,  5,
@@ -36,7 +36,7 @@
 
 class Chromecast(object):        
 
-    def __init__(self, ip):
+    def __init__(self, ip, demo = None, timeout = None):
         self.ip = ip
         self.request = 2
         self.s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
@@ -85,7 +85,6 @@ def __init__(self, led_v_pin, *args, **kwargs):
         super(NeoPixelRing, self).__init__(*args, **kwargs)
 
     def set_vol(self, volume):
-
         n = self.n
         for i in range(n):
             level = (volume * 40.96) // 256
@@ -94,11 +93,11 @@ def set_vol(self, volume):
                 self[i] = color
             elif i == level:
                 num = int((40.96 * volume) % 256)
-                color = (0, 0, gamma8[num])
+                color = (0, 0, GAMMA8[num])
                 self[i] = color
 
             else:
-                color = (gamma8[30], gamma8[30], gamma8[30])
+                color = (GAMMA8[30], GAMMA8[30], GAMMA8[30])
                 self[i] = color
         self.write()
 
@@ -115,5 +114,6 @@ def turn_on(self):
         self.led_v.on()
 
     def fill_color(self, color):
-        self.fill(color)
+        a, b, c = color
+        self.fill((GAMMA8[a], GAMMA8[b], GAMMA8[c]))
         self.write()

esp8266/wificonf_example.py

@@ -0,0 +1,5 @@
+WIFI_SSID = 'YOUR WIFI SSID'
+WIFI_PASSWORD = 'YOUR WIFI PASSWORD'
+
+#set chomecasts ips and names here in your network
+CHROMECASTS  = {'192.168.0.164':'chromecast01', '192.168.0.165':'chromecast01'}