platformio/platformio-core

Add "break" support to "pio test" ?

Open

#5,310 创建于 2025年11月12日

在 GitHub 查看
 (0 评论) (0 反应) (0 负责人)Python (7,329 star) (791 fork)batch import
help wantedunit testing

描述

For STM32 via ST-Link, the RTS and DTR modes to reset an uploaded test app don't work. The documented workaround is to add a 2s startup delay.

To considerably speed things up when running multiple tests, pio test could send a BREAK on the serial port, which does an immediate reset.

Would it be possible to add an option to send a break once connected to the USB serial port?

贡献者指南

技术栈
python
领域
clitesting
议题类型
feature
难度面向新贡献者的预计实现难度，1 表示很小改动，5 表示专家级工作。
3
预计时间有经验贡献者完成调查、实现、测试并准备 pull request 的粗略时间范围。
1-3 hours
活动状态议题当前的可参与程度：新鲜、活跃、陈旧、阻塞或等待维护者输入。
fresh
清晰度议题是否清楚说明期望改动、验收标准和下一步。
mostly clear
前置要求
PythonPlatformIOserial communication
新手友好度1-100 的估计分数，表示该议题对首次贡献者的友好程度。
40
研究方向
Examine the test command implementation in the PlatformIO CLI, likely under platformio/test/ or similar. Research how serial connections are established and how a BREAK signal can be sent using pyserial. Consider the specific requirements for STM32 devices with ST Link and document the approach. Since the issue has no comments, start by clarifying the expected behavior with maintainers.