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ICanDriver::select() call accepts CanSelectMasks instead of raw integer masks

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This commit is contained in:
Pavel Kirienko
2014-03-21 10:12:33 +04:00
parent 57d720119f
commit 670d844f08
5 changed files with 62 additions and 45 deletions
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libuavcan/include/uavcan/driver/can.hpp
+17 -4
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@@ -78,6 +78,20 @@ struct CanFilterConfig
uint32_t mask;
};
/**
* Events to look for during @ref ICanDriver::select() call
*/
struct CanSelectMasks
{
uint8_t read;
uint8_t write;
CanSelectMasks()
: read(0)
, write(0)
{ }
};
/**
* Single non-blocking CAN interface.
*/
@@ -146,12 +160,11 @@ public:
* Block until the deadline, or one of the specified interfaces becomes available for read or write.
* Iface masks will be modified by the driver to indicate which exactly interfaces are available for IO.
* Bit position in the masks defines interface index.
* @param [in,out] inout_write_iface_mask Mask indicating which interfaces are needed/available to write.
* @param [in,out] inout_read_iface_mask Same as above for reading.
* @param [in] blocking_deadline Zero means non-blocking operation.
* @param [in,out] inout_masks Masks indicating which interfaces are needed/available for IO.
* @param [in] blocking_deadline Zero means non-blocking operation.
* @return Positive number of ready interfaces or negative error code.
*/
virtual int select(int& inout_write_iface_mask, int& inout_read_iface_mask, MonotonicTime blocking_deadline) = 0;
virtual int select(CanSelectMasks& inout_masks, MonotonicTime blocking_deadline) = 0;
};
}