fix[rsoc]: stm32h7xx rtc compilation issue

[ruanqiuqiu]

拉取/合并请求描述：(PR description)

[

为什么提交这份PR (why to submit this PR)

你的解决方案是什么 (what is your solution)

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

• BSP:

• .config:

• action:

]

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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
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• 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]

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[github-actions]

📌 Code Review Assignment

🏷️ Tag: bsp_stm32

Reviewers: Liang1795 hamburger-os wdfk-prog

Changed Files (Click to expand)

• bsp/stm32/libraries/HAL_Drivers/drivers/drv_rtc.c

---

📊 Current Review Status (Last Updated: 2025-10-17 14:18 CST)

• ⌛ Liang1795 Pending Review
• ⌛ hamburger-os Pending Review
• ⌛ wdfk-prog Pending Review

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[LittleGreyG]

这是什么意思，H7 Hal库没有const关键字。

[ruanqiuqiu]

这是什么意思，H7 Hal库没有const关键字。

uint32_t HAL_RTCEx_BKUPRead(const RTC_HandleTypeDef * hrtc, uint32_t BackupRegister)
但是不确定其他系列的是不是

[ruanqiuqiu]

这是什么意思，H7 Hal库没有const关键字。

uint32_t HAL_RTCEx_BKUPRead(const RTC_HandleTypeDef * hrtc, uint32_t BackupRegister) 但是不确定其他系列的是不是

https://github.com/RT-Thread-packages/stm32f4_hal_driver/blob/0019feb907412af78d5d774307842f42a9315b46/Src/stm32f4xx_hal_rtc_ex.c#L1271
其他系列的好像确实不一样

[Rbb666]

这是什么意思，H7 Hal库没有const关键字。

uint32_t HAL_RTCEx_BKUPRead(const RTC_HandleTypeDef * hrtc, uint32_t BackupRegister) 但是不确定其他系列的是不是

https://github.com/RT-Thread-packages/stm32f4_hal_driver/blob/0019feb907412af78d5d774307842f42a9315b46/Src/stm32f4xx_hal_rtc_ex.c#L1271 其他系列的好像确实不一样

可以去stm32官方上游仓库查一下：https://github.com/search?q=org%3ASTMicroelectronics%20HAL_RTCEx_BKUPRead&type=code