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Prevent the CDC Device Class driver from sending empty IN packets on every service task call - only send termination packets when data is in the endpoint.

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This commit is contained in:
Dean Camera 2009-09-10 06:41:57 +00:00
parent b221e7d175
commit e918d977b1
4 changed files with 23 additions and 19 deletions
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2
LUFA/Drivers/USB/Class/Host/StillImage.h
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@ -181,7 +181,7 @@
/** Receives an asynchronous event block from the device via the asynchronous events pipe.
*
* \param[in,out] SIInterfaceInfo Pointer to a structure containing a Still Image Class host configuration and state
* \param[out] SI_PIMA_Container_t Pointer to a PIMA container structure where the event should be stored
* \param[out] PIMAHeader Pointer to a PIMA container structure where the event should be stored
*
* \return A value from the \ref Pipe_Stream_RW_ErrorCodes_t enum, or \ref SI_ERROR_LOGICAL_CMD_FAILED if the device
* returned a logical command failure