MeshCore 1.18.0 – RAK4631 / RAK19007 poweroff draws 0.8 mA and blue LED stays on
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评估
- 难度
- 3/5
- 预计耗时
- 1-2 天
- 新手友好度
- 55/100
- Issue 类型
- 缺陷
- 描述清晰度
- 基本清楚
- 活跃度
- 活跃
- 技术栈
- c
- 领域
- embedded-iot
调研方向
Start at the firmware code for the shutdown and poweroff CLI commands, then trace the RAK4631 power-down path and the Bluetooth LED GPIO handling. Reproduce the reported 0.8 mA draw and illuminated blue LED after poweroff; done means the LED turns off and the board reaches a lower current state, with measurements confirming the change.
由索引模型根据 Issue 内容生成。
描述
Hardware:
RAK4631 on RAK19007 WisBlock Base Board (USB-C)
Battery powered via JST-PHR-2 connector
Official MeshCore Companion firmware 1.18.0
Observation:
I tested the new shutdown and poweroff CLI commands introduced with firmware 1.18.0.
Both commands disconnect Bluetooth and put the device into a low-power state. The device can be restarted using the hardware RESET button.
However, the blue Bluetooth LED remains continuously illuminated after shutdown.
Current measurements:
Measured directly in series with the battery at the JST connector:
Operating state | Current -- | -- Normal operation, BLE disconnected | 7.0 mA Normal operation, BLE connected | 6.3–7.0 mA After poweroff | 0.8 mAExpected behavior:
After poweroff, I would expect the blue LED to turn off and the device to enter the lowest possible power-consumption state.
Could the LED GPIO state or another peripheral be responsible for the remaining 0.8 mA?
The new poweroff feature is very useful for portable battery-powered Companion devices. Reducing the remaining current consumption would make it even better.
Thank you for your work on MeshCore!
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