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Add new Audio Class Driver Host demos.

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Fix errors in the new Audio Host mode Class Driver, which would have prevented data from being sent or received properly by the device.

Add microphone/square wave generation compile time switch to the Low Level AudioOutput Host demo.
This commit is contained in:
Dean Camera 2011-06-09 04:08:03 +00:00
parent 0bf5064aec
commit 1f1d0710f3
16 changed files with 5306 additions and 23 deletions
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47
LUFA/Drivers/USB/Class/Host/Audio.h
View file

@ -159,8 +159,8 @@
const uint8_t DataPipeIndex,
const uint8_t EndpointProperty,
const uint8_t EndpointControl,
uint16_t* const DataLength,
uint8_t* Data);
uint16_t const DataLength,
void* const Data);
/* Inline Functions: */
/** General management task for a given Audio host class interface, required for the correct operation of
@ -192,8 +192,13 @@
if ((USB_HostState != HOST_STATE_Configured) || !(AudioInterfaceInfo->State.IsActive))
return false;
bool SampleReceived = false;
Pipe_SelectPipe(AudioInterfaceInfo->Config.DataOUTPipeNumber);
return Pipe_IsINReceived();
Pipe_Unfreeze();
SampleReceived = Pipe_IsINReceived();
Pipe_Freeze();
return SampleReceived;
}
/** Determines if the given audio interface is ready to accept the next sample to be written to it, and selects
@ -237,7 +242,11 @@
Sample = Pipe_Read_8();
if (!(Pipe_BytesInPipe()))
Pipe_ClearIN();
{
Pipe_Unfreeze();
Pipe_ClearIN();
Pipe_Freeze();
}
return Sample;
}
@ -262,7 +271,11 @@
Sample = (int16_t)Pipe_Read_16_LE();
if (!(Pipe_BytesInPipe()))
Pipe_ClearIN();
{
Pipe_Unfreeze();
Pipe_ClearIN();
Pipe_Freeze();
}
return Sample;
}
@ -287,7 +300,11 @@
Sample = (((uint32_t)Pipe_Read_8() << 16) | Pipe_Read_16_LE());
if (!(Pipe_BytesInPipe()))
Pipe_ClearIN();
{
Pipe_Unfreeze();
Pipe_ClearIN();
Pipe_Freeze();
}
return Sample;
}
@ -308,7 +325,11 @@
Pipe_Write_8(Sample);
if (Pipe_BytesInPipe() == AudioInterfaceInfo->State.DataINPipeSize)
Pipe_ClearOUT();
{
Pipe_Unfreeze();
Pipe_ClearOUT();
Pipe_Freeze();
}
}
/** Writes the next 16-bit audio sample to the current audio interface.
@ -327,7 +348,11 @@
Pipe_Write_16_LE(Sample);
if (Pipe_BytesInPipe() == AudioInterfaceInfo->State.DataINPipeSize)
Pipe_ClearOUT();
{
Pipe_Unfreeze();
Pipe_ClearOUT();
Pipe_Freeze();
}
}
/** Writes the next 24-bit audio sample to the current audio interface.
@ -347,7 +372,11 @@
Pipe_Write_8(Sample >> 16);
if (Pipe_BytesInPipe() == AudioInterfaceInfo->State.DataINPipeSize)
Pipe_ClearOUT();
{
Pipe_Unfreeze();
Pipe_ClearOUT();
Pipe_Freeze();
}
}
/* Private Interface - For use in library only: */