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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).

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Fixed ClassDriver AudioOutput demo not selecting an audio output mode.
This commit is contained in:
Dean Camera committed 2009-10-03 07:59:32 +00:00
1 parent 3ebfb998ec
commit 433399b05d
10 files changed
+110 -105
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Demos/Device/ClassDriver/AudioOutput/AudioOutput.c
+8 -10
View File
@@ -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);
}
Demos/Device/ClassDriver/AudioOutput/makefile
+1
View File
@@ -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