Fix for the microphone failing to wake after a sleep event

lancaster-university · Nov 1, 2023 · 9e6f027 · 9e6f027
1 parent 1370026
commit 9e6f027
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Showing 2 changed files with 2 additions and 11 deletions.
diff --git a/inc/MicroBitAudio.h b/inc/MicroBitAudio.h
@@ -185,11 +185,6 @@ namespace codal
          */
         bool isPinEnabled();
 
-        /**
-         * Hook deep sleep events so we can manually turn off/on the microphone power pin.
-         */
-        int deepSleepCallback( deepSleepCallbackReason reason, deepSleepCallbackData *data);
-
         /**
           * Puts the component in (or out of) sleep (low power) mode.
           */

diff --git a/source/MicroBitAudio.cpp b/source/MicroBitAudio.cpp
@@ -224,12 +224,6 @@ MicroBitAudio::~MicroBitAudio()
     }
 }
 
-int MicroBitAudio::deepSleepCallback( deepSleepCallbackReason reason, deepSleepCallbackData *data)
-{
-    deactivateMic();
-}
-
-
 int MicroBitAudio::setSleep(bool doSleep)
 {
     if (doSleep)
@@ -244,6 +238,7 @@ int MicroBitAudio::setSleep(bool doSleep)
           delete pwm;
           pwm = NULL;
       }
+      deactivateMic();
     }
     else
     {
@@ -252,6 +247,7 @@ int MicroBitAudio::setSleep(bool doSleep)
           status &= ~MICROBIT_AUDIO_STATUS_DEEPSLEEP;
           enable();
       }
+      activateMic();
     }
 
     return DEVICE_OK;