{\r
.StreamingInterfaceNumber = 1,\r
\r
- .DataINEndpointNumber = AUDIO_STREAM_EPNUM,\r
- .DataINEndpointSize = AUDIO_STREAM_EPSIZE,\r
+ .DataOUTEndpointNumber = AUDIO_STREAM_EPNUM,\r
+ .DataOUTEndpointSize = AUDIO_STREAM_EPSIZE,\r
},\r
};\r
\r
\r
for (;;)\r
{\r
- if (Speaker_Audio_Interface.State.InterfaceEnabled)\r
- ProcessNextSample();\r
+ ProcessNextSample();\r
\r
Audio_Device_USBTask(&Speaker_Audio_Interface);\r
USB_USBTask();\r
*/\r
void ProcessNextSample(void)\r
{\r
+ /* Check if the sample reload timer period has elapsed, and that the USB bus is ready for a new sample */\r
if ((TIFR0 & (1 << OCF0A)) && Audio_Device_IsSampleReceived(&Speaker_Audio_Interface))\r
{\r
/* Clear the sample reload timer */\r
TIFR0 |= (1 << OCF0A);\r
\r
/* Retrieve the signed 16-bit left and right audio samples */\r
- int16_t LeftSample_16Bit = (int16_t)Audio_Device_ReadSample16();\r
- int16_t RightSample_16Bit = (int16_t)Audio_Device_ReadSample16();\r
+ int16_t LeftSample_16Bit = Audio_Device_ReadSample16(&Speaker_Audio_Interface);\r
+ int16_t RightSample_16Bit = Audio_Device_ReadSample16(&Speaker_Audio_Interface);\r
\r
/* Massage signed 16-bit left and right audio samples into signed 8-bit */\r
int8_t LeftSample_8Bit = (LeftSample_16Bit >> 8);\r
/* Make mixed sample value positive (absolute) */\r
MixedSample_8Bit = abs(MixedSample_8Bit);\r
\r
- if (MixedSample_8Bit > ((128 / 8) * 1))\r
+ if (MixedSample_8Bit > 2)\r
LEDMask |= LEDS_LED1;\r
\r
- if (MixedSample_8Bit > ((128 / 8) * 2))\r
+ if (MixedSample_8Bit > 4)\r
LEDMask |= LEDS_LED2;\r
\r
- if (MixedSample_8Bit > ((128 / 8) * 3))\r
+ if (MixedSample_8Bit > 8)\r
LEDMask |= LEDS_LED3;\r
\r
- if (MixedSample_8Bit > ((128 / 8) * 4))\r
+ if (MixedSample_8Bit > 16)\r
LEDMask |= LEDS_LED4;\r
\r
LEDs_SetAllLEDs(LEDMask);\r