Add ESP32-pair/ben_cuelight.py

ESP32-pair/ben_cuelight.py

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+# upload with `mpremote ben_cuelight.py :main.py` when connected with serial
+
+import espnow
+from machine import Pin, Timer
+import network
+import time
+import ubinascii
+
+# io0 = Pin(0, Pin.IN)
+led = Pin(23, Pin.OUT)
+led.value(1)
+# turn off after 5s
+Timer(0).init(mode=Timer.ONE_SHOT, period=5000, callback=lambda _: led.value(0))
+
+print("Ben Cuelight Starting...")
+
+# ESPNow https://docs.micropython.org/en/latest/library/espnow.html
+sta = network.WLAN(network.WLAN.IF_STA)
+sta.active(True)
+
+def nice_mac(bys): return ubinascii.hexlify(bys, ":").decode()
+
+my_mac = sta.config("mac")
+
+MOS_X4_MAC = b"\x00\x70\x07\x7C\xDB\xC8"
+ETH_01_MAC = b"\x14\x08\x08\x9E\xA1\x94"
+
+print("MAC Address", nice_mac(my_mac))
+
+e = espnow.ESPNow()
+e.active(True)
+print("ESPNow active")
+
+
+def wait_change(pin):
+    # wait for pin to change value
+    # it needs to be stable for a continuous 20ms
+    cur_value = pin.value()
+    active = 0
+    while active < 20:
+        if pin.value() != cur_value:
+            active += 1
+        else:
+            active = 0
+        time.sleep(0.001)
+
+
+def mos_x4():
+    print("I am: MOS_X4")
+    
+    mos1 = Pin(16, Pin.OUT) # flash
+    mos2 = Pin(17, Pin.OUT)
+    mos3 = Pin(26, Pin.OUT)
+    mos4 = Pin(27, Pin.OUT) # mute-state
+    
+    flash = mos1
+    mute = mos4
+    
+    mute.value(0)
+    flash.value(0)
+    
+    timer = Timer(1)
+    
+    while True:
+        host, msg = e.recv()
+        if msg and host == ETH_01_MAC:
+            if msg[0] == 1:
+                # on
+                print("on")
+                mute.value(1)
+                timer.init(mode=Timer.PERIODIC, period=1000, callback=lambda _: flash.toggle())
+            elif msg[0] == 0:
+                # off
+                print("off")
+                mute.value(0)
+                flash.value(0)
+                timer.deinit()
+            else:
+                # ????
+                print("??", msg, msg[0])
+                ...
+        
+def eth_01():
+    print("I am: ETH_01")
+    
+    peer = MOS_X4_MAC
+    e.add_peer(peer)
+    
+    button = Pin(12, Pin.IN, Pin.PULL_UP)
+                         
+    remote_state_on = False
+        
+    while True:
+        wait_change(button)
+        if button.value() == 0:
+            remote_state_on = not remote_state_on
+            print("Setting remote to:", "on" if remote_state_on else "off")
+            e.send(peer, bytes([1 if remote_state_on else 0]))
+            
+
+if my_mac == MOS_X4_MAC:
+    mos_x4()
+elif my_mac == ETH_01_MAC:
+    eth_01()
+else:
+    print("Unknown device!!!", my_mac)