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xRingbufferSend() function
Insert an item into the ring buffer Attempt to insert an item into the ring buffer. This function will block until enough free space is available or until it times out.
Syntax
BaseType_t xRingbufferSend(RingbufHandle_t xRingbuffer,
const void *pvItem,
size_t xItemSize,
TickType_t xTicksToWait);
Implemented in ![]()
ringbuf.c:1033
Return value
- pdTRUE if succeeded - pdFALSE on time-out or when the data is larger than the maximum permissible size of the buffer
Notes
For no-split/allow-split ring buffers, the actual size of memory that the item will occupy will be rounded up to the nearest 32-bit aligned size. This is done to ensure all items are always stored in 32-bit aligned fashion. For no-split/allow-split buffers, an xItemSize of 0 will result in an item with no data being set (i.e., item only contains the header). For byte buffers, an xItemSize of 0 will simply return pdTRUE without copying any data.