Add extra tests to the MassStorage device demo and class driver for validating comman...

[pub/USBasp.git] / Demos / Device / LowLevel / AudioOutput / AudioOutput.c

diff --git a/Demos/Device/LowLevel/AudioOutput/AudioOutput.c b/Demos/Device/LowLevel/AudioOutput/AudioOutput.c
index 07418d5..6d22009 100644 (file)
--- a/Demos/Device/LowLevel/AudioOutput/AudioOutput.c
+++ b/Demos/Device/LowLevel/AudioOutput/AudioOutput.c
@@ -97,7 +97,7 @@ void EVENT_USB_Connect(void)
 #if (defined(AUDIO_OUT_MONO) || defined(AUDIO_OUT_STEREO))\r
        /* PWM speaker timer initialization */\r
        TCCRxA  = ((1 << WGMx0) | (1 << COMxA1) | (1 << COMxA0)\r
-                                                       | (1 << COMxB1) | (1 << COMxB0)); // Set on match, clear on TOP\r
+                               | (1 << COMxB1) | (1 << COMxB0)); // Set on match, clear on TOP\r
        TCCRxB  = ((1 << WGMx2) | (1 << CSx0));  // Fast 8-Bit PWM, Fcpu speed\r
 #endif \r
 }\r
@@ -180,6 +180,10 @@ void EVENT_USB_UnhandledControlPacket(void)
  */\r
 void USB_Audio_Task(void)\r
 {\r
+       /* Device must be connected and configured for the task to run */\r
+       if (!(USB_IsConnected) || !(USB_ConfigurationNumber))\r
+         return;\r
+\r
        /* Check to see if the streaming interface is selected, if not the host is not receiving audio */\r
        if (!(StreamingAudioInterfaceSelected))\r
          return;       \r