41 lines
1.2 KiB
Python
41 lines
1.2 KiB
Python
# -*- coding: utf-8 -*-
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"""RTT 传输：薄封装 rtt_pitch_reg_test 的 J-Link/RTT 实现（单一事实来源，避免复制）."""
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from __future__ import annotations
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from contextlib import contextmanager
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from ..paths import TOOLS_DIR # noqa: F401 (确保 sys.path 已注入)
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import rtt_pitch_reg_test as _rtt
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# 直接复用，保持零行为变更
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connect_jlink = _rtt.connect_jlink
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find_rtt_control_block = _rtt.find_rtt_control_block
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wait_rtt_ready = _rtt.wait_rtt_ready
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RttSession = _rtt.RttSession
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analyze_lines = _rtt.analyze_lines
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CheckResult = _rtt.CheckResult
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@contextmanager
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def open_session(device: str = "AT32F403AC"):
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"""连接 J-Link + 启动 RTT，yield RttSession；退出时清理."""
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_rtt.import_deps()
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jlink = connect_jlink(device)
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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("SEGGER RTT control block 未找到（固件未运行？）")
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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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yield sess
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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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