【Zephyr】 stm32 添加stm32: add support for STM32F7

最新推荐文章于 2025-07-14 16:17:11 发布

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最新推荐文章于 2025-07-14 16:17:11 发布

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分类专栏： zephyr

本文链接：https://blog.youkuaiyun.com/xiaohua0877/article/details/89058260

本文档详细介绍了如何在Zephyr实时操作系统中为STM32F7微控制器添加对I2C的支持，包括DTSI配置、头文件更新、Kconfig选项和arch/arm/soc/st_stm32/stm32f7的改动。

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1.DTSI添加

2.头文件添加

3. I2C Kconfig

4. arch/arm/soc/st_stm32/stm32f7 添加

1.DTSI添加

#include <dt-bindings/i2c/i2c.h>
#include <dt-bindings/gpio/gpio.h>
/ {


		i2c1: i2c@40005400 {
			compatible = "st,stm32-i2c-v2";
			clock-frequency = <I2C_BITRATE_STANDARD>;
			#address-cells = <1>;
			#size-cells = <0>;
			reg = <0x40005400 0x400>;
			clocks = <&rcc STM32_CLOCK_BUS_APB1 0x00200000>;
			interrupts = <31 0>, <32 0>;
			interrupt-names = "event", "error";
			status = "disabled";
			label = "I2C_1";
		};

		i2c2: i2c@40005800 {
			compatible = "st,stm32-i2c-v2";
			clock-frequency = <I2C_BITRATE_STANDARD>;
			#address-cells = <1>;
			#size-cells = <0>;
			reg = <0x40005800 0x400>;
			clocks = <&rcc STM32_CLOCK_BUS_APB1 0x00400000>;
			interrupts = <33 0>, <34 0>;
			interrupt-names = "event", "error";
			status = "disabled";
			label = "I2