power - Power Off and Reboot
2023-08-31
Module features: power off, reboot software, get the power-on reason, get the last power-off reason and get battery voltage.
Power Off
Power.powerDown
Power.powerDown()
This method powers off the module.
Example:
from misc import Power
Power.powerDown()
Reboot
Power.powerRestart
Power.powerRestart()
This method reboots the module.
Get the Power-on Reason
Power.powerOnReason
Power.powerOnReason()
This method gets the power-on reason.
Return Value:
| Value | Description |
|---|---|
| 0 | Failed to get the power-on reason or unknown power-on reason |
| 1 | Press PWRKEY to power on |
| 2 | Press RESET to reboot |
| 3 | Power-on triggered by VBAT |
| 4 | Power-on triggered by RTC |
| 5 | Reboot triggered by watchdog or power-on error |
| 6 | Power-on triggered by VBUS |
| 7 | Power-on triggered by charging |
| 8 | Wake up from PSM |
| 9 | Reboot after dump occurs |
Get the Last Power-off Reason
Power.powerDownReason
Power.powerDownReason()
This method gets the power-off reason.
Return Value:
| Value | Description |
|---|---|
| 0 | Unknown reason |
| 1 | Power off normally |
| 2 | Power off due to high power supply voltage |
| 3 | Power off due to low power supply voltage |
| 4 | Power off due to high temperature |
| 5 | Power-off triggered by watchdog |
| 6 | Power-off triggered by low VRTC voltage |
Note: BC25PA, EC200U and EC600U series modules do not support this method.
Get Battery Voltage
Power.getVbatt
Power.getVbatt()
This method gets the battery voltage. Unit: mV.
Return Value:
Integer type. Voltage value.
Example:
>>> Power.getVbatt()
3590