添加spi flash,支持sfud

发布于 2025-02-26 18:30:16 浏览：19 订阅该版

芯片stm32f407  flash芯片 w25q128
配置添加组件spi

![screenshot_image.png](https://oss-club.rt-thread.org/uploads/20250226/e039b6d5e0af5ba8b91a7f1a94033f9e.png)
文件系统配置

![screenshot_image.png](https://oss-club.rt-thread.org/uploads/20250226/0d55366ee464e07d0e5456aab663a322.png.webp)

```c
//spi挂载sfud相关flash
void spi_flash_fs_init(void)
{
    int fd;
    extern rt_err_t rt_hw_spi_device_attach(const char *bus_name, const char *device_name, GPIO_TypeDef* cs_gpiox, uint16_t cs_gpio_pin);
    rt_hw_spi_device_attach("spi1","spi10",GPIOG,GPIO_PIN_8);

rt_sfud_flash_probe("w25q128","spi10"); // 获取 sfud_dev
    mkdir("/w25",0);//创建一个目录
    fd = dfs_mount("w25q128", "/w25", "elm", 0, 0);//挂载文件系统到指定目录
    if (fd)//如果失败可能是第一次挂载,需要格式化后重试
    {
        LOG_E("elmfs on w25q128 mount fail");
        dfs_mkfs("elm", "w25q128");
        LOG_I("make elmfs on w25q128,then remount");
        fd = dfs_mount("w25q128", "/w25", "elm", 0, 0);
        if (!fd)
        {
            LOG_I("elmfs on w25q128 remount ok");
        }
    }
    else
    {
        LOG_I("elmfs on w25q128 mount ok");
    }
}
//spi挂载sfud相关flash,不挂载文件系统
void spi_flash_init(void)
{
    int fd;
    extern rt_err_t rt_hw_spi_device_attach(const char *bus_name, const char *device_name, GPIO_TypeDef* cs_gpiox, uint16_t cs_gpio_pin);
    rt_hw_spi_device_attach("spi1","spi10",GPIOG,GPIO_PIN_8);

rt_sfud_flash_probe("w25","spi10"); // 获取 sfud_dev
}

```