Create cpx-ir-decode.py

Initial posting

Make_It_Sense/cpx-ir-decode.py

@@ -0,0 +1,100 @@
+# Read Adafruit Remote Codes with Circuit Playground Express
+#
+# Simplified code based on https://learn.adafruit.com/remote-
+# control-tree-ornament-with-circuit-playground-express?view=all
+#
+import adafruit_irremote
+import board
+import neopixel
+import pulseio
+
+pixels = neopixel.NeoPixel(board.NEOPIXEL, 10)
+
+# Set up the reading of pulses on the IR receiver and the IR library
+pulsein = pulseio.PulseIn(board.REMOTEIN, maxlen=120, idle_state=True)
+decoder = adafruit_irremote.GenericDecode()
+
+# Example works with the Adafruit mini IR remote #389
+# The size below must match what you are decoding! For NEC use 4
+received_code = bytearray(4)
+
+# IR Remote Mapping
+'''
+ 1: [255, 2, 247, 8]
+ 2: [255, 2, 119, 136]
+ 3: [255, 2, 183, 72]
+ 4: [255, 2, 215, 40]
+ 5: [255, 2, 87, 168]
+ 6: [255, 2, 151, 104]
+ 7: [255, 2, 231, 24]
+ 8: [255, 2, 103, 152]
+ 9: [255, 2, 167, 88]
+ 0: [255, 2, 207, 48]
+
+^ : [255, 2, 95, 160]
+v : [255, 2, 79, 176]
+> : [255, 2, 175, 80]
+< : [255, 2, 239, 16]
+
+Enter: [255, 2, 111, 144]
+Setup: [255, 2, 223, 32]
+Stop/Mode: [255, 2, 159, 96]
+Back: [255, 2, 143, 112]
+
+Vol - : [255, 2, 255, 0]
+Vol + : [255, 2, 191, 64]
+
+Play/Pause: [255, 2, 127, 128]
+'''
+
+last_command = None
+
+while True:
+    try:
+        pulses = decoder.read_pulses(pulsein)
+    except MemoryError as e:
+        print("Memory error: ", e)
+        continue
+    print("Heard", len(pulses), "Pulses:", pulses)
+    command = None
+    try:
+        code = decoder.decode_bits(pulses, debug=False)
+        if len(code) > 3:
+            command = code[2]
+        print("Decoded:", code)
+    except adafruit_irremote.IRNECRepeatException:  # unusual short code!
+        print("NEC repeat!")
+        command = last_command
+    except adafruit_irremote.IRDecodeException as e:  # failed to decode
+        print("Failed to decode:", e)
+    except MemoryError as e:
+        print("Memory error: ", e)
+
+    if not command:
+        continue
+    last_command = command
+
+    print("----------------------------")
+
+    if command == 247:  # IR button 1
+        pixels[1] = (0, 30, 0)
+    elif command == 119:  # 2
+        pixels[2] = (0, 30, 0)
+    elif command == 183:  # 3
+        pixels[3] = (0, 30, 0)
+    elif command == 215:  # 4
+        pixels[4] = (0, 30, 0)
+    elif command == 87:  # 5
+        pixels[5] = (0, 30, 0)
+    elif command == 151:  # 6
+        pixels[6] = (0, 30, 0)
+    elif command == 231:  # 7
+        pixels[7] = (0, 30, 0)
+    elif command == 103:  # 8
+        pixels[8] = (0, 30, 0)
+    elif command == 167:  # 9
+        pixels[9] = (0, 30, 0)
+    elif command == 207:
+        pixels[0] = (0, 30, 0)
+    elif command == 111 or command == 143:
+        pixels.fill((0, 0, 0)) # clear on enter or back key