Function blk_dev_write

components/fal/src/fal_rtt.c:105–136

}

static rt_ssize_t blk_dev_write(rt_device_t dev, rt_off_t pos, const void* buffer, rt_size_t size)
{
    int ret = 0;
    struct fal_blk_device *part;
    rt_off_t phy_pos;
    rt_size_t phy_size;

    part = (struct fal_blk_device*) dev;
    RT_ASSERT(part != RT_NULL);

    /* change the block device's logic address to physical address */
    phy_pos = pos * part->geometry.bytes_per_sector;
    phy_size = size * part->geometry.bytes_per_sector;

    ret = fal_partition_erase(part->fal_part, phy_pos, phy_size);

    if (ret == (int) phy_size)
    {
        ret = fal_partition_write(part->fal_part, phy_pos, buffer, phy_size);
    }

    if (ret != (int) phy_size)
    {
        ret = 0;
    }
    else
    {
        ret = size;
    }

    return ret;
}

#ifdef RT_USING_DEVICE_OPS
const static struct rt_device_ops blk_dev_ops =