Jimmy
52a5f0f8c4
Wire the Pico to UART-driven preset selection, add pattern modules and presets data, remove old p2p/settings code, and update tests and LED driver. Made-with: Cursor
46 lines
1.3 KiB
Python
46 lines
1.3 KiB
Python
#!/usr/bin/env python3
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"""
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Serial loopback test – single file, runs on Pico and ESP32.
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Wire TX to RX (Pico: GP0–GP1, ESP32: 17–18), then:
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mpremote run pico/test/test_serial.py
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For ESP32→Pico: run test_serial_send.py on ESP32, test_serial_receive.py on Pico; wire ESP32 TX (17) to Pico RX (1).
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"""
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import time
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import sys
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from machine import UART, Pin
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if "esp32" in sys.platform:
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UART_ID, TX_PIN, RX_PIN, BAUD = 1, 17, 18, 115200
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else:
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UART_ID, TX_PIN, RX_PIN, BAUD = 0, 0, 1, 115200
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READ_TIMEOUT_MS = 100
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LINE_TERM = b"\n"
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print("UART loopback: %s UART%d TX=%s RX=%s %d baud" % (sys.platform, UART_ID, TX_PIN, RX_PIN, BAUD))
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uart = UART(UART_ID, baudrate=BAUD, tx=Pin(TX_PIN, Pin.OUT), rx=Pin(RX_PIN, Pin.IN))
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uart.read()
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to_send = [b"hello", b"123", b"{\"v\":\"1\"}"]
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errors = []
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for msg in to_send:
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uart.write(msg + LINE_TERM)
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time.sleep_ms(20)
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buf = bytearray()
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deadline = time.ticks_add(time.ticks_ms(), READ_TIMEOUT_MS)
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while time.ticks_diff(deadline, time.ticks_ms()) > 0:
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n = uart.any()
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if n:
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buf.extend(uart.read(n))
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if LINE_TERM in buf:
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break
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time.sleep_ms(2)
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got = bytes(buf).strip()
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if got != msg:
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errors.append((msg, got))
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uart.deinit()
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if errors:
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print("FAIL loopback:", errors)
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else:
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print("PASS loopback: sent and received", to_send)
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