@@ -404,7 +404,7 @@ rt_err_t log_trace_set_device(const char *device_name)
rt_err_t result;
/* open device */
- result = rt_device_open(output_device, RT_DEVICE_FLAG_STREAM | RT_DEVICE_FLAG_RDWR);
+ result = rt_device_open(output_device, RT_DEVICE_FLAG_STREAM | RT_DEVICE_OFLAG_RDWR);
if (result != RT_EOK)
{
rt_kprintf("Open trace device failed.\n");