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Split out endpoint and pipe stream functions into new EndpointStream.c/.h and PipeStream.c/.h files.

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This commit is contained in:
Dean Camera 2010-08-22 13:31:27 +00:00
parent 4cc7f5200b
commit e72f424f64
18 changed files with 1320 additions and 1161 deletions
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45
LUFA/Drivers/USB/HighLevel/Template/Template_Endpoint_Control_R.c Normal file
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uint8_t TEMPLATE_FUNC_NAME (void* Buffer,
uint16_t Length)
{
uint8_t* DataStream = ((uint8_t*)Buffer + TEMPLATE_BUFFER_OFFSET(Length));
if (!(Length))
Endpoint_ClearOUT();
while (Length)
{
if (Endpoint_IsSETUPReceived())
return ENDPOINT_RWCSTREAM_HostAborted;
if (USB_DeviceState == DEVICE_STATE_Unattached)
return ENDPOINT_RWCSTREAM_DeviceDisconnected;
else if (USB_DeviceState == DEVICE_STATE_Suspended)
return ENDPOINT_RWCSTREAM_BusSuspended;
if (Endpoint_IsOUTReceived())
{
while (Length && Endpoint_BytesInEndpoint())
{
TEMPLATE_TRANSFER_BYTE(DataStream);
Length--;
}
Endpoint_ClearOUT();
}
}
while (!(Endpoint_IsINReady()))
{
if (USB_DeviceState == DEVICE_STATE_Unattached)
return ENDPOINT_RWCSTREAM_DeviceDisconnected;
else if (USB_DeviceState == DEVICE_STATE_Suspended)
return ENDPOINT_RWCSTREAM_BusSuspended;
}
return ENDPOINT_RWCSTREAM_NoError;
}
#undef TEMPLATE_BUFFER_OFFSET
#undef TEMPLATE_FUNC_NAME
#undef TEMPLATE_TRANSFER_BYTE

54
LUFA/Drivers/USB/HighLevel/Template/Template_Endpoint_Control_W.c Normal file
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uint8_t TEMPLATE_FUNC_NAME (const void* Buffer,
uint16_t Length)
{
uint8_t* DataStream = ((uint8_t*)Buffer + TEMPLATE_BUFFER_OFFSET(Length));
bool LastPacketFull = false;
if (Length > USB_ControlRequest.wLength)
Length = USB_ControlRequest.wLength;
else if (!(Length))
Endpoint_ClearIN();
while (Length || LastPacketFull)
{
if (Endpoint_IsSETUPReceived())
return ENDPOINT_RWCSTREAM_HostAborted;
if (Endpoint_IsOUTReceived())
break;
if (USB_DeviceState == DEVICE_STATE_Unattached)
return ENDPOINT_RWCSTREAM_DeviceDisconnected;
else if (USB_DeviceState == DEVICE_STATE_Suspended)
return ENDPOINT_RWCSTREAM_BusSuspended;
if (Endpoint_IsINReady())
{
uint8_t BytesInEndpoint = Endpoint_BytesInEndpoint();
while (Length && (BytesInEndpoint < USB_ControlEndpointSize))
{
TEMPLATE_TRANSFER_BYTE(DataStream);
Length--;
BytesInEndpoint++;
}
LastPacketFull = (BytesInEndpoint == USB_ControlEndpointSize);
Endpoint_ClearIN();
}
}
while (!(Endpoint_IsOUTReceived()))
{
if (USB_DeviceState == DEVICE_STATE_Unattached)
return ENDPOINT_RWCSTREAM_DeviceDisconnected;
else if (USB_DeviceState == DEVICE_STATE_Suspended)
return ENDPOINT_RWCSTREAM_BusSuspended;
}
return ENDPOINT_RWCSTREAM_NoError;
}
#undef TEMPLATE_BUFFER_OFFSET
#undef TEMPLATE_FUNC_NAME
#undef TEMPLATE_TRANSFER_BYTE

79
LUFA/Drivers/USB/HighLevel/Template/Template_Endpoint_RW.c Normal file
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uint8_t TEMPLATE_FUNC_NAME (TEMPLATE_BUFFER_TYPE Buffer,
uint16_t Length
__CALLBACK_PARAM)
{
uint8_t* DataStream = ((uint8_t*)Buffer + TEMPLATE_BUFFER_OFFSET(Length));
uint8_t ErrorCode;
if ((ErrorCode = Endpoint_WaitUntilReady()))
return ErrorCode;
#if defined(FAST_STREAM_TRANSFERS)
uint8_t BytesRemToAlignment = (Endpoint_BytesInEndpoint() & 0x07);
if (Length >= 8)
{
Length -= BytesRemToAlignment;
switch (BytesRemToAlignment)
{
default:
do
{
if (!(Endpoint_IsReadWriteAllowed()))
{
TEMPLATE_CLEAR_ENDPOINT();
#if !defined(NO_STREAM_CALLBACKS)
if ((Callback != NULL) && (Callback() == STREAMCALLBACK_Abort))
return ENDPOINT_RWSTREAM_CallbackAborted;
#endif
if ((ErrorCode = Endpoint_WaitUntilReady()))
return ErrorCode;
}
Length -= 8;
TEMPLATE_TRANSFER_BYTE(DataStream);
case 7: TEMPLATE_TRANSFER_BYTE(DataStream);
case 6: TEMPLATE_TRANSFER_BYTE(DataStream);
case 5: TEMPLATE_TRANSFER_BYTE(DataStream);
case 4: TEMPLATE_TRANSFER_BYTE(DataStream);
case 3: TEMPLATE_TRANSFER_BYTE(DataStream);
case 2: TEMPLATE_TRANSFER_BYTE(DataStream);
case 1: TEMPLATE_TRANSFER_BYTE(DataStream);
} while (Length >= 8);
}
}
#endif
while (Length)
{
if (!(Endpoint_IsReadWriteAllowed()))
{
TEMPLATE_CLEAR_ENDPOINT();
#if !defined(NO_STREAM_CALLBACKS)
if ((Callback != NULL) && (Callback() == STREAMCALLBACK_Abort))
return ENDPOINT_RWSTREAM_CallbackAborted;
#endif
if ((ErrorCode = Endpoint_WaitUntilReady()))
return ErrorCode;
}
else
{
TEMPLATE_TRANSFER_BYTE(DataStream);
Length--;
}
}
return ENDPOINT_RWSTREAM_NoError;
}
#undef TEMPLATE_FUNC_NAME
#undef TEMPLATE_BUFFER_TYPE
#undef TEMPLATE_TRANSFER_BYTE
#undef TEMPLATE_CLEAR_ENDPOINT
#undef TEMPLATE_BUFFER_OFFSET

82
LUFA/Drivers/USB/HighLevel/Template/Template_Pipe_RW.c Normal file
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uint8_t TEMPLATE_FUNC_NAME (TEMPLATE_BUFFER_TYPE Buffer,
uint16_t Length
__CALLBACK_PARAM)
{
uint8_t* DataStream = ((uint8_t*)Buffer + TEMPLATE_BUFFER_OFFSET(Length));
uint8_t ErrorCode;
Pipe_SetPipeToken(TEMPLATE_TOKEN);
if ((ErrorCode = Pipe_WaitUntilReady()))
return ErrorCode;
#if defined(FAST_STREAM_TRANSFERS)
uint8_t BytesRemToAlignment = (Pipe_BytesInPipe() & 0x07);
if (Length >= 8)
{
Length -= BytesRemToAlignment;
switch (BytesRemToAlignment)
{
default:
do
{
if (!(Pipe_IsReadWriteAllowed()))
{
TEMPLATE_CLEAR_PIPE();
#if !defined(NO_STREAM_CALLBACKS)
if ((Callback != NULL) && (Callback() == STREAMCALLBACK_Abort))
return PIPE_RWSTREAM_CallbackAborted;
#endif
if ((ErrorCode = Pipe_WaitUntilReady()))
return ErrorCode;
}
Length -= 8;
TEMPLATE_TRANSFER_BYTE(DataStream);
case 7: TEMPLATE_TRANSFER_BYTE(DataStream);
case 6: TEMPLATE_TRANSFER_BYTE(DataStream);
case 5: TEMPLATE_TRANSFER_BYTE(DataStream);
case 4: TEMPLATE_TRANSFER_BYTE(DataStream);
case 3: TEMPLATE_TRANSFER_BYTE(DataStream);
case 2: TEMPLATE_TRANSFER_BYTE(DataStream);
case 1: TEMPLATE_TRANSFER_BYTE(DataStream);
} while (Length >= 8);
}
}
#endif
while (Length)
{
if (!(Pipe_IsReadWriteAllowed()))
{
TEMPLATE_CLEAR_PIPE();
#if !defined(NO_STREAM_CALLBACKS)
if ((Callback != NULL) && (Callback() == STREAMCALLBACK_Abort))
return PIPE_RWSTREAM_CallbackAborted;
#endif
if ((ErrorCode = Pipe_WaitUntilReady()))
return ErrorCode;
}
else
{
TEMPLATE_TRANSFER_BYTE(DataStream);
Length--;
}
}
return PIPE_RWSTREAM_NoError;
}
#undef TEMPLATE_FUNC_NAME
#undef TEMPLATE_BUFFER_TYPE
#undef TEMPLATE_TOKEN
#undef TEMPLATE_TRANSFER_BYTE
#undef TEMPLATE_CLEAR_PIPE
#undef TEMPLATE_BUFFER_OFFSET