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为什么提交这份PR (why to submit this PR)
为 STM32 HAL_Drivers 补全硬件 I2C 配置支持。
当前代码中,H7 系列缺少独立的
i2c_hard_config.h配置文件,同时 F4 配置中也缺少I2C4的硬件 I2C 与 DMA 相关配置项。这会导致部分 BSP 在启用硬件 I2C4 或适配 H7 系列硬件 I2C 时,缺少统一的配置入口,不利于后续 BSP 适配和功能启用。你的解决方案是什么 (what is your solution)
本 PR 做了以下修改:
在
bsp/stm32/libraries/HAL_Drivers/drivers/config/h7/下新增i2c_hard_config.hI2C1~I2C4的硬件 I2C 总线配置;I2C1~I2C4的 TX/RX DMA 配置宏;更新
bsp/stm32/libraries/HAL_Drivers/drivers/config/f4/i2c_hard_config.hI2C4_BUS_CONFIG;I2C4_TX_DMA_CONFIG与I2C4_RX_DMA_CONFIG;更新
bsp/stm32/libraries/HAL_Drivers/drivers/drv_config.h#include "h7/i2c_hard_config.h"该修改主要是对 STM32 硬件 I2C 配置的补全,不改变已有接口行为,属于功能增强和平台支持完善。
请提供验证的bsp和config (provide the config and bsp)
BSP:
bsp/stm32/stm32h750-artpibsp/stm32/stm32f429-st-discovery(如该 BSP 已支持 I2C4,可按实际验证板卡填写).config:
BSP_USING_HARD_I2C4BSP_I2C4_TX_USING_DMABSP_I2C4_RX_USING_DMABSP_USING_HARD_I2C1BSP_USING_HARD_I2C2BSP_USING_HARD_I2C3BSP_USING_HARD_I2C4action:
[components][I2C] 添加I2C配置结构体 #9087