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QN9080DK BLE library prevents MCU PowerDown0

Question asked by arpad.toth@scorpionauto.com on Mar 7, 2019
Latest reply on Mar 11, 2019 by Estephania Martinez

Hello,

 

The "lib_ble_5-0_host_peripheral_cm4.a" library doesn't allow to enter PowerDown0 mode for the second time.

 

Please see attachment.

 

Overview:

  1. BLE init
  2. Prepare for sleep
  3. POWER_EnterPowerDown0
  4. Wakeup from sleep
  5. Prepare for sleep again    -> fails because BLE reports kPmSleep instead of kPmPowerDown0
  6. POWER_EnterPowerDown0 ->not reached

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