#include "VK_Log.h"
#include <ulog.h>

static struct ulog_backend vcom_backend;
static rt_device_t log_dev = RT_NULL;

static void vcom_log_output(struct ulog_backend *backend,
                            rt_uint32_t level,
                            const char *tag,
                            rt_bool_t is_raw,
                            const char *log,
                            size_t len)
{
    (void)backend;
    (void)level;
    (void)tag;
    (void)is_raw;

    if (log_dev != RT_NULL && len > 0)
    {
        (void)rt_device_write(log_dev, 0, log, len);
    }
}

int dev_log_backend_init(rt_device_t dev)
{
    if (dev == RT_NULL)
    {
        return -RT_EINVAL;
    }

    log_dev = dev;
    rt_memset(&vcom_backend, 0, sizeof(vcom_backend));
    vcom_backend.output = vcom_log_output;

    return ulog_backend_register(&vcom_backend, "vcom", RT_FALSE);
}