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Added new EEPROM and FLASH buffer versions of the Endpoint and Pipe stream functions. Changed Endpoint.c and Pipe.c to use a templated system to build the seperate functions, rather than duplicating each function's code many times.

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This commit is contained in:
Dean Camera 2009-07-13 12:38:30 +00:00
parent 1d26e78258
commit 73d9fafc0f
17 changed files with 827 additions and 902 deletions
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43
LUFA/Drivers/USB/LowLevel/DevChapter9.c
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@ -241,47 +241,12 @@ static void USB_Device_GetDescriptor(void)
#if defined(USE_RAM_DESCRIPTORS)
Endpoint_Write_Control_Stream_LE(DescriptorPointer, DescriptorSize);
#elif defined(USE_EEPROM_DESCRIPTORS)
Endpoint_Write_Control_EStream_LE(DescriptorPointer, DescriptorSize);
#else
bool SendZLP;
if (USB_ControlRequest.wLength > DescriptorSize)
USB_ControlRequest.wLength = DescriptorSize;
while (USB_ControlRequest.wLength)
{
while (!(Endpoint_IsINReady()))
{
if (Endpoint_IsOUTReceived())
{
Endpoint_ClearOUT();
return;
}
}
while (USB_ControlRequest.wLength && (Endpoint_BytesInEndpoint() < USB_ControlEndpointSize))
{
#if defined (USE_EEPROM_DESCRIPTORS)
Endpoint_Write_Byte(eeprom_read_byte(DescriptorPointer++));
#else
Endpoint_Write_Byte(pgm_read_byte(DescriptorPointer++));
#endif
USB_ControlRequest.wLength--;
}
SendZLP = (Endpoint_BytesInEndpoint() == USB_ControlEndpointSize);
Endpoint_ClearIN();
}
if (SendZLP)
{
while (!(Endpoint_IsINReady()));
Endpoint_ClearIN();
}
while (!(Endpoint_IsOUTReceived()));
Endpoint_Write_Control_PStream_LE(DescriptorPointer, DescriptorSize);
#endif
Endpoint_ClearOUT();
}