Modify the ymodem component to support multi-file reception

[CUGLIJIE]

拉取/合并请求描述：(PR description)

[

为什么提交这份PR (why to submit this PR)

实际项目中，需要使用ymodem传输多文件到板子中，但是原来的代码不支持；

你的解决方案是什么 (what is your solution)

修改_rym_recv_begin函数，每一个文件路径单独使用一个独立的局部数组，而不是直接改变cctx->fpath，否则第二个以及后面的文件传输时，会导致文件路径错误，导致无法传输；

请提供验证的bsp和config (provide the config and bsp)

我是基于STM32L4R5的板子测试的，主线这边没有测试；

• BSP:

• .config:

• action:

]

当前拉取/合并请求的状态 Intent for your PR

必须选择一项 Choose one (Mandatory):

• [ ] 本拉取/合并请求是一个草稿版本 This PR is for a code-review and is intended to get feedback
• [ ] 本拉取/合并请求是一个成熟版本 This PR is mature, and ready to be integrated into the repo

代码质量 Code Quality：

我在这个拉取/合并请求中已经考虑了 As part of this pull request, I've considered the following:

• [ ] 已经仔细查看过代码改动的对比 Already check the difference between PR and old code
• [ ] 代码风格正确，包括缩进空格，命名及其他风格 Style guide is adhered to, including spacing, naming and other styles
• [ ] 没有垃圾代码，代码尽量精简，不包含#if 0代码，不包含已经被注释了的代码 All redundant code is removed and cleaned up
• [ ] 所有变更均有原因及合理的，并且不会影响到其他软件组件代码或BSP All modifications are justified and not affect other components or BSP
• [ ] 对难懂代码均提供对应的注释 I've commented appropriately where code is tricky
• [ ] 代码是高质量的 Code in this PR is of high quality
• [ ] 已经使用formatting 等源码格式化工具确保格式符合RT-Thread代码规范 This PR complies with RT-Thread code specification
• [ ] 如果是新增bsp, 已经添加ci检查到.github/ALL_BSP_COMPILE.json 详细请参考链接BSP自查

[github-actions[bot]]

📌 Code Review Assignment

🏷️ Tag: components

Reviewers: @Maihuanyi

Changed Files (Click to expand)

• components/utilities/ymodem/ry_sy.c

🏷️ Tag: components_utilities_ymodem

Reviewers: @wdfk-prog

Changed Files (Click to expand)

• components/utilities/ymodem/ry_sy.c

---

📊 Current Review Status (Last Updated: 2025-09-12 15:02 CST)

• ⌛ @Maihuanyi Pending Review
• ⌛ @wdfk-prog Pending Review

---

📝 Review Instructions

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:white_check_mark: CUGLIJIE
:x: jli

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[wdfk-prog]

• 第二次传输时是什么意思?
• 是指当前ymode没传输完成又开了一个传输吗?

[CUGLIJIE]

• 第二次传输时是什么意思? 指的是，我一次下载多个文件时，第二个文件传输的时候，不是第二次，还是一个会话，同一个命令
• 是指当前ymode没传输完成又开了一个传输吗? 不是，同上；

[wdfk-prog]

• 测试单片机接收两个文件,第二个文件文件名异常,内容未知是否正常

[CUGLIJIE]

* 测试单片机接收两个文件，第二个文件文件名异常，内容未知是否正常

测试的电脑上位机是什么？我使用的是security CRT，也使用过mobaxterm， 接收ymodem下载的命令是：ry /OTA/ -----注意要添加最后的反斜杠 / ,否则路径可能异常

[wdfk-prog]

* 测试单片机接收两个文件，第二个文件文件名异常，内容未知是否正常

测试的电脑上位机是什么？我使用的是security CRT，也使用过mobaxterm， 接收ymodem下载的命令是：ry /OTA/ -----注意要添加最后的反斜杠 / ,否则路径可能异常

• 用的xshell软件,命令是 ry /flash/

[CUGLIJIE]

那我有空测试一下xshell下载

[wdfk-prog]

security CRT

我试一下security CRT的.... 好像是xhsell有问题

[wdfk-prog]

mobaxterm

这是用Z-modem发送吗?

[CUGLIJIE]

都是用ymodem发送

---Original--- From: @.> Date: Fri, Oct 24, 2025 17:17 PM To: @.>; Cc: @.@.>; Subject: Re: [RT-Thread/rt-thread] Modify the ymodem component to supportmulti-file reception (PR #10688)

wdfk-prog left a comment (RT-Thread/rt-thread#10688)

mobaxterm

这是用Z-modem发送吗?

— Reply to this email directly, view it on GitHub, or unsubscribe. You are receiving this because you authored the thread.Message ID: @.***>

[wdfk-prog]

• 我使用gcc编译有些警告,你可以一起修复了吗?关于prtintf打印的格式警告

[wdfk-prog]

• ry_sy的ry函数有这个注释,可以删掉了.sy的注释还保留

/* temporarily support 1 file*/

[CUGLIJIE]

好的，下周一我修正一下，这些告警和错误注释

[github-actions[bot]]

📌 Code Review Assignment

🏷️ Tag: components

Reviewers: @Maihuanyi

Changed Files (Click to expand)

• components/utilities/ymodem/ry_sy.c

🏷️ Tag: components_utilities_ymodem

Reviewers: @wdfk-prog

Changed Files (Click to expand)

• components/utilities/ymodem/ry_sy.c

---

📊 Current Review Status (Last Updated: 2025-10-26 09:37 CST)

• ⌛ @Maihuanyi Pending Review
• ⌛ @wdfk-prog Pending Review

---

📝 Review Instructions

1. 维护者可以通过单击此处来刷新审查状态: 🔄 刷新状态 Maintainers can refresh the review status by clicking here: 🔄 Refresh Status

2. 确认审核通过后评论 LGTM/lgtm Comment LGTM/lgtm after confirming approval

3. PR合并前需至少一位维护者确认 PR must be confirmed by at least one maintainer before merging

ℹ️ 刷新CI状态操作需要具备仓库写入权限。 ℹ️ Refresh CI status operation requires repository Write permission.

[CUGLIJIE]

打印格式和注释错误的问题已经修正

[wdfk-prog]

LGTM

@Rbb666 这个我都差点忘记了😄

[wdfk-prog]

@Rbb666