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| author | Dean Camera <dean@fourwalledcubicle.com> | 2009-10-03 07:59:32 +0000 |
|---|---|---|
| committer | Dean Camera <dean@fourwalledcubicle.com> | 2009-10-03 07:59:32 +0000 |
| commit | 433399b05db8d4a8a3989e90614f7206d49568fc (patch) | |
| tree | 7f69f5ea95c68005221caab40a9bb1e11ae5b80a /Demos/Device/ClassDriver/AudioOutput | |
| parent | 3ebfb998ec4eef73543a8e8bde0019a3057b72dc (diff) | |
| download | lufa-433399b05db8d4a8a3989e90614f7206d49568fc.tar.gz lufa-433399b05db8d4a8a3989e90614f7206d49568fc.tar.bz2 lufa-433399b05db8d4a8a3989e90614f7206d49568fc.zip | |
Changed Audio Class driver sample read/write functions to be inline, to reduce the number of cycles needed to transfer samples to and from the device (allowing more time for processing and output).
Fixed ClassDriver AudioOutput demo not selecting an audio output mode.
Diffstat (limited to 'Demos/Device/ClassDriver/AudioOutput')
| -rw-r--r-- | Demos/Device/ClassDriver/AudioOutput/AudioOutput.c | 18 | ||||
| -rw-r--r-- | Demos/Device/ClassDriver/AudioOutput/makefile | 1 |
2 files changed, 9 insertions, 10 deletions
diff --git a/Demos/Device/ClassDriver/AudioOutput/AudioOutput.c b/Demos/Device/ClassDriver/AudioOutput/AudioOutput.c index d7de7d5b0..a73f1c96e 100644 --- a/Demos/Device/ClassDriver/AudioOutput/AudioOutput.c +++ b/Demos/Device/ClassDriver/AudioOutput/AudioOutput.c @@ -123,17 +123,15 @@ void ProcessNextSample(void) uint8_t LEDMask = LEDS_NO_LEDS;
- if (MixedSample_8Bit_Abs > 2)
- LEDMask |= LEDS_LED1;
-
- if (MixedSample_8Bit_Abs > 4)
- LEDMask |= LEDS_LED2;
-
- if (MixedSample_8Bit_Abs > 8)
- LEDMask |= LEDS_LED3;
-
+ /* Turn on LEDs as the sample amplitude increases */
if (MixedSample_8Bit_Abs > 16)
- LEDMask |= LEDS_LED4;
+ LEDMask = (LEDS_LED1 | LEDS_LED2 | LEDS_LED3 | LEDS_LED4);
+ else if (MixedSample_8Bit_Abs > 8)
+ LEDMask = (LEDS_LED1 | LEDS_LED2 | LEDS_LED3);
+ else if (MixedSample_8Bit_Abs > 4)
+ LEDMask = (LEDS_LED1 | LEDS_LED2);
+ else if (MixedSample_8Bit_Abs > 2)
+ LEDMask = (LEDS_LED1);
LEDs_SetAllLEDs(LEDMask);
}
diff --git a/Demos/Device/ClassDriver/AudioOutput/makefile b/Demos/Device/ClassDriver/AudioOutput/makefile index ec60801be..7ece3734b 100644 --- a/Demos/Device/ClassDriver/AudioOutput/makefile +++ b/Demos/Device/ClassDriver/AudioOutput/makefile @@ -184,6 +184,7 @@ CSTANDARD = -std=gnu99 # Place -D or -U options here for C sources
CDEFS = -DF_CPU=$(F_CPU)UL -DF_CLOCK=$(F_CLOCK)UL -DBOARD=BOARD_$(BOARD) $(LUFA_OPTS)
+CDEFS += -DAUDIO_OUT_STEREO
# Place -D or -U options here for ASM sources
|