First commit

client.py

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+import mido
+import socket
+import time
+
+HOST = 'x.x.x.x'
+PORT = 12345    # Needs to match host
+
+def runit():
+    with mido.open_output('IAC Driver Bus 1') as port:
+        note = 50
+        port.send(mido.Message('note_on', note=note, velocity=50))
+        try:
+            with socket.socket(socket.AF_INET, socket.SOCK_STREAM) as s:
+                s.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
+                s.connect((HOST, PORT))
+                while True:
+                    s.sendall(b'ping')
+                    data_raw = s.recv(1024)
+                    data = int(data_raw.decode())
+                    data_converted = int(data * 16000 / 511) - 8000
+                    # print("Converted value:", data_converted)
+                    pitch = data_converted
+                    port.send(mido.Message('pitchwheel', pitch=pitch))
+                    time.sleep(.05)
+        except Exception:
+            pass
+        finally:
+            port.send(mido.Message('note_off', note=note))

host.py

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+# Clean up files and ports that I probabaly forgot to close
+gc.collect()
+
+import network
+import machine
+import socket
+import time
+from machine import ADC
+
+WLAN_SSID = ''
+WLAN_PW = ''
+
+# Connect to network
+wlan = network.WLAN(network.STA_IF)
+wlan.active(True)
+if not wlan.isconnected():
+    print('connecting to network...')
+    wlan.connect(WLAN_SSID, WLAN_PW)
+    while not wlan.isconnected():
+        pass
+print(wlan.ifconfig())
+device_ip = wlan.ifconfig()[0]
+print('Device IP:', device_ip)
+
+pin = machine.Pin(32, machine.Pin.IN)
+adc = ADC(pin)
+# Calibrate ADC
+# set 11dB input attenuation (voltage range roughly 0.0v - 3.6v)
+adc.atten(ADC.ATTN_11DB)
+# set 9 bit return values (returned range 0-511)
+adc.width(ADC.WIDTH_9BIT)
+
+HOST = device_ip
+PORT = 12345    # Needs to match client
+
+try:
+    s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
+    s.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
+    s.bind((HOST, PORT))
+    # Wait for new connections
+    while True:
+        s.listen(1)
+        conn, addr = s.accept()
+        print('Connected by', addr)
+        # Wait for query
+        while True:
+            data = conn.recv(1024)
+            if not data:
+                break
+            conn.sendall(str(adc.read()).encode())
+except KeyboardInterrupt:
+    pass  # suppress keyboard interrupt traceback
+finally:
+    conn.close()
+    s.close()

readme.md

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+## Docs
+* https://microbit-micropython.readthedocs.io/en/latest/devguide/repl.html
+
+## REPL Prompt
+  * To enter: `screen /dev/cu.SLAB_USBtoUART 115200`
+  * To exit, press Ctrl-A + k
+  * Paste mode: Ctrl-E
+
+# midi converter in mac
+* https://mido.readthedocs.io/en/latest/
+