118 lines
3.4 KiB
Python
118 lines
3.4 KiB
Python
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#!/usr/bin/env python3
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"""Scan K1 I2C1 via RTT and report amp (0x30) / mic (0x5A)."""
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from __future__ import annotations
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import os
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import re
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import sys
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import time
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sys.path.insert(0, os.path.dirname(os.path.abspath(__file__)))
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from rtt_pitch_reg_test import ( # noqa: E402
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RttSession,
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connect_jlink,
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find_rtt_control_block,
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import_deps,
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wait_rtt_ready,
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)
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ACK_RE = re.compile(r"^I2C ACK 0x([0-9A-Fa-f]{2})(?:\s+(\S+))?")
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END_RE = re.compile(r"^I2C_SCAN_END n=(\d+)")
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AMP_ADDR = 0x30
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MIC_ADDR = 0x5A
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def main() -> int:
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if hasattr(sys.stdout, "reconfigure"):
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try:
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sys.stdout.reconfigure(encoding="utf-8", errors="replace")
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except Exception:
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pass
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import_deps()
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jlink = connect_jlink("AT32F403AC")
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try:
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cb = find_rtt_control_block(jlink)
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if cb is None:
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raise SystemExit("RTT CB not found")
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print(f"RTT CB @ 0x{cb:08X}", flush=True)
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jlink.rtt_start(cb)
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wait_rtt_ready(jlink)
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sess = RttSession(jlink)
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sess.pump(0.3)
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found: dict[int, str] = {}
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end_n: int | None = None
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def consume(lines: list[str]) -> None:
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nonlocal end_n
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for line in lines:
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text = line.strip()
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if not text:
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continue
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if text.startswith("I2C "):
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print(text, flush=True)
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m = ACK_RE.match(text)
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if m:
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found[int(m.group(1), 16)] = m.group(2) or ""
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continue
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m = END_RE.match(text)
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if m:
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end_n = int(m.group(1))
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for attempt in range(1, 5):
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mark = len(sess.lines)
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sess.cmd("i2c scan", settle=0.4)
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deadline = time.time() + 4.0
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while time.time() < deadline:
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consume(sess.lines[mark:])
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mark = len(sess.lines)
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if end_n is not None:
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break
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sess.pump(0.15)
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consume(sess.lines[mark:])
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if end_n is not None:
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break
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print(f"!! no I2C_SCAN_END (try {attempt}/4)", flush=True)
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if end_n is None:
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print("FAIL: firmware did not answer I2C_SCAN_END", flush=True)
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return 1
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others = [a for a in sorted(found) if a not in (AMP_ADDR, MIC_ADDR)]
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amp_ok = AMP_ADDR in found
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mic_ok = MIC_ADDR in found
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print("", flush=True)
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print("======== I2C SCAN ========", flush=True)
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print(
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f"功放 AD85050 7bit 0x{AMP_ADDR:02X} / 写 0x{AMP_ADDR << 1:02X}: "
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f"{'FOUND' if amp_ok else 'MISSING'}",
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flush=True,
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)
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print(
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f"麦克风 AW816 7bit 0x{MIC_ADDR:02X} / 写 0x{MIC_ADDR << 1:02X}: "
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f"{'FOUND' if mic_ok else 'MISSING'}",
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flush=True,
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)
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if others:
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extra = " ".join(f"0x{a:02X}" for a in others)
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print(f"其它 ACK: {extra}", flush=True)
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else:
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print("其它 ACK: (无)", flush=True)
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print(f"I2C_SCAN_END n={end_n} unique={len(found)}", flush=True)
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return 0 if amp_ok and mic_ok else 2
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finally:
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try:
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jlink.rtt_stop()
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except Exception:
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pass
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jlink.close()
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if __name__ == "__main__":
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raise SystemExit(main())
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