Reset cause (MX-4)
You can read out the platform "reset cause" from an SPI attribute or using the /opt/hm/reset_cause.sh script.
Multiple reset causes are possible. You can also zero out the current reset cause by executing echo 0 > /opt/hm/pic_attributes/ctrl_pic_reset_cause.
| Bit | Reset Cause Text | Clarification |
|---|---|---|
| 0 | Power On Reset | |
| 1 | Brown Out Reset | |
| 2 | Idle Reset | |
| 3 | Sleep Reset | |
| 4 | Watchdog Reset | Co-cpu reset internal watchdog flag triggered |
| 5 | Software Reset | Set by user |
| 6 | MCLR Reset | Reset button |
| 7 | Config Mismatch Reset | |
| 8 | Deep Sleep Reset | |
| 9 | Illegal Opcode Reset | |
| 10 | Trap Conflict Reset | |
| 11 | Trap Default Reset | trace_default_interrupt |
| 12 | Trap OSC Reset | |
| 13 | Trap Address Reset | |
| 14 | Trap Stack Reset | |
| 15 | Trap Math Reset | |
| 16 | Protocol Watchdog Reset | Linux SPI protocol stopped sending and co-cpu reset |
| 17 | Clock Switch Failed | |
| 18 | Deep Sleep Exit |