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Make both LowLevel and ClassDriver AudioOutput demos always output to board LEDs, regardless of output mode (removed AUDIO_OUT_LEDS compile time option from the demo). This allows for positive feedback to the user of audio activity regardless of output mode.

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This commit is contained in:
Dean Camera 2009-08-02 11:43:16 +00:00
parent c5eeedd522
commit bbf89d81fa
4 changed files with 28 additions and 42 deletions
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20
Demos/Device/ClassDriver/AudioOutput/AudioOutput.c
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@ -103,10 +103,11 @@ void ProcessNextSample(void)
int8_t LeftSample_8Bit = (LeftSample_16Bit >> 8);
int8_t RightSample_8Bit = (RightSample_16Bit >> 8);
#if !defined(AUDIO_OUT_STEREO)
/* Mix the two channels together to produce a mono, 8-bit sample */
int8_t MixedSample_8Bit = (((int16_t)LeftSample_8Bit + (int16_t)RightSample_8Bit) >> 1);
#endif
/* Get absolute value of mixed sample value */
uint8_t MixedSample_8Bit_Abs = abs(MixedSample_8Bit);
#if defined(AUDIO_OUT_MONO)
/* Load the sample into the PWM timer channel */
@ -118,26 +119,23 @@ void ProcessNextSample(void)
#elif defined(AUDIO_OUT_PORTC)
/* Load the 8-bit mixed sample into PORTC */
PORTC = MixedSample_8Bit;
#else
#endif
uint8_t LEDMask = LEDS_NO_LEDS;
/* Make mixed sample value positive (absolute) */
MixedSample_8Bit = abs(MixedSample_8Bit);
if (MixedSample_8Bit > 2)
if (MixedSample_8Bit_Abs > 2)
LEDMask |= LEDS_LED1;
if (MixedSample_8Bit > 4)
if (MixedSample_8Bit_Abs > 4)
LEDMask |= LEDS_LED2;
if (MixedSample_8Bit > 8)
if (MixedSample_8Bit_Abs > 8)
LEDMask |= LEDS_LED3;
if (MixedSample_8Bit > 16)
if (MixedSample_8Bit_Abs > 16)
LEDMask |= LEDS_LED4;
LEDs_SetAllLEDs(LEDMask);
#endif
}
}