diff options
| author | Dean <Dean@d5102386-fcda-11dd-9fdb-3debd5008f28> | 2010-01-25 00:52:45 +0000 |
|---|---|---|
| committer | Dean <Dean@d5102386-fcda-11dd-9fdb-3debd5008f28> | 2010-01-25 00:52:45 +0000 |
| commit | 8431712c0657b8495ae8fb957eba1eff300cd917 (patch) | |
| tree | d26d7195168de8550665e36dd6a443f2f22ab704 /Demos/Device/ClassDriver/AudioInput | |
| parent | 0f54346b219e09b620b706a3d74277632f7061c9 (diff) | |
Added explicit ADC channel masks for the standard set of ADC channels, as the single-ended channel MUX masks are not equal to the channel number on some AVR models. Changed demos to use the new channel masks when using the ADC driver.
git-svn-id: http://lufa-lib.googlecode.com/svn/trunk@1058 d5102386-fcda-11dd-9fdb-3debd5008f28
Diffstat (limited to 'Demos/Device/ClassDriver/AudioInput')
| -rw-r--r-- | Demos/Device/ClassDriver/AudioInput/AudioInput.c | 2 | ||||
| -rw-r--r-- | Demos/Device/ClassDriver/AudioInput/AudioInput.h | 3 |
2 files changed, 4 insertions, 1 deletions
diff --git a/Demos/Device/ClassDriver/AudioInput/AudioInput.c b/Demos/Device/ClassDriver/AudioInput/AudioInput.c index eeec921e..b90ee512 100644 --- a/Demos/Device/ClassDriver/AudioInput/AudioInput.c +++ b/Demos/Device/ClassDriver/AudioInput/AudioInput.c @@ -86,7 +86,7 @@ void SetupHardware(void) ADC_SetupChannel(MIC_IN_ADC_CHANNEL);
/* Start the ADC conversion in free running mode */
- ADC_StartReading(ADC_REFERENCE_AVCC | ADC_RIGHT_ADJUSTED | MIC_IN_ADC_CHANNEL);
+ ADC_StartReading(ADC_REFERENCE_AVCC | ADC_RIGHT_ADJUSTED | MIC_IN_ADC_MUX_MASK);
}
/** Processes the next audio sample by reading the last ADC conversion and writing it to the audio
diff --git a/Demos/Device/ClassDriver/AudioInput/AudioInput.h b/Demos/Device/ClassDriver/AudioInput/AudioInput.h index ddb64304..98fec781 100644 --- a/Demos/Device/ClassDriver/AudioInput/AudioInput.h +++ b/Demos/Device/ClassDriver/AudioInput/AudioInput.h @@ -52,6 +52,9 @@ /* Macros: */
/** ADC channel number for the microphone input. */
#define MIC_IN_ADC_CHANNEL 2
+
+ /** ADC channel MUX mask for the microphone input. */
+ #define MIC_IN_ADC_MUX_MASK ADC_CHANNEL2
/** Maximum ADC sample value for the microphone input. */
#define SAMPLE_MAX_RANGE 0xFFFF
|