[bsp][imxrt1180-nxp-evk]add I2C adapter support by HonestQiao · Pull Request #11510 · RT-Thread/rt-thread

HonestQiao · 2026-06-23T04:03:13Z

拉取/合并请求描述：(PR description)

[

为什么提交这份PR (why to submit this PR)

add I2C adapter support

你的解决方案是什么 (what is your solution)

add I2C driver for RT-Thread

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

BSP: bsp\nxp\imx\imxrt\imxrt1180-nxp-evk\cm33
BSP: bsp\nxp\imx\imxrt\imxrt1180-nxp-evk\cm7
.config: bsp/nxp/imx/imxrt/imxrt1180-nxp-evk/cm33/board/Kconfig

        menuconfig BSP_USING_I2C
            bool "Enable I2C"
            select RT_USING_I2C
            default n
            if BSP_USING_I2C
                config BSP_USING_I2C2
                    bool "Enable I2C2"
                    default y

                config BSP_USING_I2C3
                    bool "Enable I2C3"
                    default n

                choice
                    prompt "Select I2C2 badurate"
                    default HW_I2C2_BADURATE_100kHZ

                    config HW_I2C2_BADURATE_100kHZ
                        bool "Badurate 100kHZ"

                    config HW_I2C2_BADURATE_400kHZ
                        bool "Badurate 400kHZ"
                endchoice

                choice
                    prompt "Select I2C3 badurate"
                    default HW_I2C3_BADURATE_100kHZ

                    config HW_I2C3_BADURATE_100kHZ
                        bool "Badurate 100kHZ"

                    config HW_I2C3_BADURATE_400kHZ
                        bool "Badurate 400kHZ"
                endchoice
            endif

.config: bsp/nxp/imx/imxrt/imxrt1180-nxp-evk/cm7/board/Kconfig

        menuconfig BSP_USING_I2C
            bool "Enable I2C"
            select RT_USING_I2C
            default n
            if BSP_USING_I2C
                config BSP_USING_I2C2
                    bool "Enable I2C2"
                    default y

                config BSP_USING_I2C3
                    bool "Enable I2C3"
                    default n

                choice
                    prompt "Select I2C2 badurate"
                    default HW_I2C2_BADURATE_100kHZ

                    config HW_I2C2_BADURATE_100kHZ
                        bool "Badurate 100kHZ"

                    config HW_I2C2_BADURATE_400kHZ
                        bool "Badurate 400kHZ"
                endchoice

                choice
                    prompt "Select I2C3 badurate"
                    default HW_I2C3_BADURATE_100kHZ

                    config HW_I2C3_BADURATE_100kHZ
                        bool "Badurate 100kHZ"

                    config HW_I2C3_BADURATE_400kHZ
                        bool "Badurate 400kHZ"
                endchoice
            endif

action: To be added

]

当前拉取/合并请求的状态 Intent for your PR

必须选择一项 Choose one (Mandatory):

[ x ] 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:

[ x ] 已经仔细查看过代码改动的对比 Already check the difference between PR and old code
[ x ] 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
[ x ] 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
[ x ] 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
[ x ] 对难懂代码均提供对应的注释 I've commented appropriately where code is tricky
[ x ] 代码是高质量的 Code in this PR is of high quality
[ x ] 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 · 2026-06-23T04:03:22Z

👋 感谢您对 RT-Thread 的贡献！Thank you for your contribution to RT-Thread!

为确保代码符合 RT-Thread 的编码规范，请在你的仓库中执行以下步骤运行代码格式化工作流（如果格式化CI运行失败）。
To ensure your code complies with RT-Thread's coding style, please run the code formatting workflow by following the steps below (If the formatting of CI fails to run).

🛠 操作步骤 | Steps

前往 Actions 页面 | Go to the Actions page
点击进入工作流 → | Click to open workflow →
点击 Run workflow | Click Run workflow

设置需排除的文件/目录（目录请以"/"结尾）
Set files/directories to exclude (directories should end with "/")
将目标分支设置为 \ Set the target branch to：imxrt1180-nxp-evk-i2c-v1
设置PR number为 \ Set the PR number to：11510

等待工作流完成 | Wait for the workflow to complete
格式化后的代码将自动推送至你的分支。
The formatted code will be automatically pushed to your branch.

完成后，提交将自动更新至 imxrt1180-nxp-evk-i2c-v1 分支，关联的 Pull Request 也会同步更新。
Once completed, commits will be pushed to the imxrt1180-nxp-evk-i2c-v1 branch automatically, and the related Pull Request will be updated.

如有问题欢迎联系我们，再次感谢您的贡献！💐
If you have any questions, feel free to reach out. Thanks again for your contribution!

Rbb666 · 2026-06-23T07:01:03Z

这个文件不用修改添加用户代码

Rbb666 · 2026-06-23T07:04:23Z

 if rtconfig.PLATFORM in ['iccarm']:
    CPPDEFINES += ['NDEBUG']

+if GetDepend(['BSP_USING_I2C']):


这段不应该添加到这里，这部分是软件包去添加的，要添加也要给这提交PR：https://github.com/RT-Thread-packages/nxp-imxrt-sdk/blob/master/MIMXRT1180/SConscript

已处理，见：RT-Thread-packages/nxp-imxrt-sdk#9

github-actions · 2026-06-23T07:17:00Z

MemBrowse Memory Report

No memory changes detected for:

nxp-ran · 2026-06-23T09:08:12Z

  IOMUXC_SetPinMux(
      IOMUXC_GPIO_AON_09_LPUART1_RX,          /* GPIO_AON_09 is configured as LPUART1_RX */
-      0U);                                    /* Software Input On Field: Input Path is determined by functionality */
+      1U);                                    /* Software Input On Field: Force input path of pad GPIO_AON_09 */


这边应该不需要修改

nxp-ran · 2026-06-23T09:09:14Z

+if GetDepend(['BSP_USING_I2C']):
+    src += ['../packages/nxp-imxrt-sdk-latest/MIMXRT1180/MIMXRT1189/drivers/fsl_lpi2c.c']
+    CPPPATH += [cwd + '/../packages/nxp-imxrt-sdk-latest/MIMXRT1180/MIMXRT1189/drivers']
+


这边麻烦更新package对应的repo：https://github.com/RT-Thread-packages/nxp-imxrt-sdk

已处理，见 RT-Thread-packages/nxp-imxrt-sdk#9

nxp-ran · 2026-06-23T09:10:41Z

  IOMUXC_SetPinMux(
      IOMUXC_GPIO_AON_09_LPUART1_RX,          /* GPIO_AON_09 is configured as LPUART1_RX */
-      0U);                                    /* Software Input On Field: Input Path is determined by functionality */
+      1U);                                    /* Software Input On Field: Force input path of pad GPIO_AON_09 */


这边应该也不用改

nxp-ran · 2026-07-03T06:30:07Z

+                    bool "Enable I2C2"
+                    default y
+
+                config BSP_USING_I2C3


似乎没看到I2C3的pin mux初始化？

nxp-ran · 2026-07-03T06:31:32Z

I2C2的读写似乎有问题，麻烦修改后测试并提供测试方式。

HonestQiao · 2026-07-10T10:16:24Z

I2C2的读写似乎有问题，麻烦修改后测试并提供测试方式。

已更新，测试代码：
main_i2c_test.c
fxl8974_sensor.c

file fxl8974_sensor.h: (不让上传)

#ifndef __FXL8974_SENSOR_H__
#define __FXL8974_SENSOR_H__

int fxl8974_sensor_test(void);

#endif /* __FXL8974_SENSOR_H__ */

接线请参考：https://github.com/nxp-mcuxpresso/mcuxsdk-examples/blob/main/_boards/evkmimxrt1180/driver_examples/flexio/i2c/read_accel_value_transfer/example_board_readme.md

Rbb666 · 2026-07-12T12:59:00Z

@nxp-ran 请帮忙确认

[bsp][imxrt1180-nxp-evk]add I2C adapter support

53c3ad5

HonestQiao requested a review from Rbb666 as a code owner June 23, 2026 04:03

github-actions Bot added BSP: NXP Code related with NXP BSP labels Jun 23, 2026

Rbb666 requested changes Jun 23, 2026

View reviewed changes

nxp-ran reviewed Jun 23, 2026

View reviewed changes

nxp-ran reviewed Jul 3, 2026

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[bsp][imxrt1180-nxp-evk]update I2C support

74afad6

HonestQiao requested a review from Rbb666 July 10, 2026 10:16

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HonestQiao commented Jun 23, 2026

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)

当前拉取/合并请求的状态 Intent for your PR

代码质量 Code Quality：

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github-actions Bot commented Jun 23, 2026

🛠 操作步骤 | Steps

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github-actions Bot commented Jun 23, 2026

MemBrowse Memory Report

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nxp-ran commented Jul 3, 2026

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HonestQiao commented Jul 10, 2026 • edited Loading Uh oh! There was an error while loading. Please reload this page.

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Rbb666 commented Jul 12, 2026

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HonestQiao commented Jul 10, 2026 •

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