X-Git-Url: http://git.linex4red.de/pub/USBasp.git/blobdiff_plain/f1b6ddb7107fd9534cc6a8d6ab2d46f349d9cdb7..9a373c409435796165b2f315b7e3d6fa303d5e4a:/Demos/Host/LowLevel/AudioOutputHost/AudioOutputHost.h

diff --git a/Demos/Host/LowLevel/AudioOutputHost/AudioOutputHost.h b/Demos/Host/LowLevel/AudioOutputHost/AudioOutputHost.h
index 1834e7057..7f980cd8b 100644
--- a/Demos/Host/LowLevel/AudioOutputHost/AudioOutputHost.h
+++ b/Demos/Host/LowLevel/AudioOutputHost/AudioOutputHost.h
@@ -67,6 +67,12 @@
 		/** Maximum ADC range for the microphone input. */
 		#define ADC_MAX_RANGE             0x3FF
 
+		/** Defined to indicate that the microphone input voltage is biased to half the ADC reference voltage. */
+		#define MICROPHONE_BIASED_TO_HALF_RAIL
+		
+		/** Defined to generate test tone when a button is pressed, rather than use a microphone for audio samples. */
+		#define USE_TEST_TONE
+
 		/** LED mask for the library LED driver, to indicate that the USB interface is not ready. */
 		#define LEDMASK_USB_NOTREADY      LEDS_LED1