Evaluation of Runtime Trace Mode in Smartphone Flash Tool Version: 1.0 Date: [Insert Date] Author: [Your Name/Department]
| Problem | Likely Cause | Solution | |---------|--------------|----------| | SP Flash Tool says “No trace device found” | Device not in META/Brom mode | Re-enter Brom mode; check VCOM drivers | | Traces are empty or garbage | Wrong baud rate / USB bulk config | Use USB 2.0 port (not 3.0); disable USB selective suspend in Windows | | Device reboots when starting trace | Trace buffer memory conflict | Reduce buffer size; disable peripheral tracing | | Timestamps are all zero | Timer not initialized | Add earlyprintk to kernel cmdline; use a later boot stage | | “Overflow” errors in tool | Trace data rate > USB throughput | Filter events; increase USB buffer in tool options | Smartphone Flash Tool -runtime Trace Mode-l
To utilize these diagnostic features within the SP Flash Tool interface: Navigate to the menu at the top of the application. Evaluation of Runtime Trace Mode in Smartphone Flash