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Add USB audio support #708

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Add USB audio support #708

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be565c8
Add USB audio support
probonopd Aug 23, 2024
a4d0826
#ChunkSize=384
probonopd Aug 31, 2024
16587cc
Merge branch 'main' into usb-audio
probonopd Sep 22, 2024
3588f68
Merge branch 'main' into usb-audio
probonopd Nov 17, 2024
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11 changes: 11 additions & 0 deletions src/minidexed.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -23,6 +23,7 @@
#include <circle/sound/pwmsoundbasedevice.h>
#include <circle/sound/i2ssoundbasedevice.h>
#include <circle/sound/hdmisoundbasedevice.h>
#include <circle/sound/usbsoundbasedevice.h>
#include <circle/gpiopin.h>
#include <string.h>
#include <stdio.h>
Expand Down Expand Up @@ -200,6 +201,16 @@ CMiniDexed::CMiniDexed (CConfig *pConfig, CInterruptSystem *pInterrupt,
// The channels are swapped by default in the HDMI sound driver.
// TODO: Remove this line, when this has been fixed in the driver.
m_bChannelsSwapped = !m_bChannelsSwapped;
#endif
}
else if (strcmp (pDeviceName, "usb") == 0)
{
#if RASPPI<=3
LOGNOTE ("USB mode NOT supported on RPI 1-3.");
#else
LOGNOTE ("USB mode");

m_pSoundDevice = new CUSBSoundBaseDevice (pConfig->GetSampleRate ());
#endif
}
else
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2 changes: 1 addition & 1 deletion src/minidexed.ini
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Expand Up @@ -7,7 +7,7 @@
SoundDevice=pwm
#SoundDevice=hdmi
SampleRate=48000
#ChunkSize=256
#ChunkSize=384
DACI2CAddress=0
ChannelsSwapped=0
# Engine Type ( 1=Modern ; 2=Mark I ; 3=OPL )
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