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---
id: i53wxv
date: 2026-02-04T17:15:41+0300
languages: [ru]
aliases:
reviews:
tags:
- draft
- knowledge
- snippet
---
# Отправка MIDI данных на все каналы по всем портам
Этот скрипт полезен для тестирования, какой канал принимает данные на устройстве.
```python
#!/usr/bin/env python3
import rtmidi
import time
midiout = rtmidi.MidiOut()
ports = midiout.get_ports()
print("Available ports:")
for i, p in enumerate(ports):
print(f"{i}: {p}")
if ports:
# Try ALL ports one by one
for i, port_name in enumerate(ports):
print(f"\n--- Trying port {i}: {port_name} ---")
midiout.open_port(i)
# Try different channels (1-16)
for channel in range(16):
print(f" Testing channel {channel+1}...")
# Note On (0x90 + channel, note, velocity)
midiout.send_message([0x90 + channel, 60, 100])
time.sleep(0.2)
midiout.send_message([0x80 + channel, 60, 0])
midiout.close_port()
else:
print("No MIDI ports found!")
```
## Up
-
## Related
- [Roland FP-e50 MIDI](fdaw8b)
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